From f15923902c4259978b952ed4b6aef2db4c9f430b Mon Sep 17 00:00:00 2001
From: Hanoh Haim <hhaim@cisco.com>
Date: Wed, 26 Aug 2015 15:33:20 +0300
Subject: remove old python
---
.../python/PyYAML-3.01/lib/yaml/__init__.py | 284 ----
.../python/PyYAML-3.01/lib/yaml/composer.py | 123 --
.../python/PyYAML-3.01/lib/yaml/constructor.py | 638 ---------
.../python/PyYAML-3.01/lib/yaml/dumper.py | 62 -
.../python/PyYAML-3.01/lib/yaml/emitter.py | 1162 ----------------
external_libs/python/PyYAML-3.01/lib/yaml/error.py | 75 -
.../python/PyYAML-3.01/lib/yaml/events.py | 86 --
.../python/PyYAML-3.01/lib/yaml/loader.py | 40 -
external_libs/python/PyYAML-3.01/lib/yaml/nodes.py | 49 -
.../python/PyYAML-3.01/lib/yaml/parser.py | 484 -------
.../python/PyYAML-3.01/lib/yaml/reader.py | 222 ---
.../python/PyYAML-3.01/lib/yaml/representer.py | 501 -------
.../python/PyYAML-3.01/lib/yaml/resolver.py | 205 ---
.../python/PyYAML-3.01/lib/yaml/scanner.py | 1458 --------------------
.../python/PyYAML-3.01/lib/yaml/serializer.py | 121 --
.../python/PyYAML-3.01/lib/yaml/tokens.py | 104 --
16 files changed, 5614 deletions(-)
delete mode 100644 external_libs/python/PyYAML-3.01/lib/yaml/__init__.py
delete mode 100644 external_libs/python/PyYAML-3.01/lib/yaml/composer.py
delete mode 100644 external_libs/python/PyYAML-3.01/lib/yaml/constructor.py
delete mode 100644 external_libs/python/PyYAML-3.01/lib/yaml/dumper.py
delete mode 100644 external_libs/python/PyYAML-3.01/lib/yaml/emitter.py
delete mode 100644 external_libs/python/PyYAML-3.01/lib/yaml/error.py
delete mode 100644 external_libs/python/PyYAML-3.01/lib/yaml/events.py
delete mode 100644 external_libs/python/PyYAML-3.01/lib/yaml/loader.py
delete mode 100644 external_libs/python/PyYAML-3.01/lib/yaml/nodes.py
delete mode 100644 external_libs/python/PyYAML-3.01/lib/yaml/parser.py
delete mode 100644 external_libs/python/PyYAML-3.01/lib/yaml/reader.py
delete mode 100644 external_libs/python/PyYAML-3.01/lib/yaml/representer.py
delete mode 100644 external_libs/python/PyYAML-3.01/lib/yaml/resolver.py
delete mode 100644 external_libs/python/PyYAML-3.01/lib/yaml/scanner.py
delete mode 100644 external_libs/python/PyYAML-3.01/lib/yaml/serializer.py
delete mode 100644 external_libs/python/PyYAML-3.01/lib/yaml/tokens.py
(limited to 'external_libs/python/PyYAML-3.01/lib')
diff --git a/external_libs/python/PyYAML-3.01/lib/yaml/__init__.py b/external_libs/python/PyYAML-3.01/lib/yaml/__init__.py
deleted file mode 100644
index c30973a3..00000000
--- a/external_libs/python/PyYAML-3.01/lib/yaml/__init__.py
+++ /dev/null
@@ -1,284 +0,0 @@
-
-from error import *
-
-from tokens import *
-from events import *
-from nodes import *
-
-from loader import *
-from dumper import *
-
-def scan(stream, Loader=Loader):
- """
- Scan a YAML stream and produce scanning tokens.
- """
- loader = Loader(stream)
- while loader.check_token():
- yield loader.get_token()
-
-def parse(stream, Loader=Loader):
- """
- Parse a YAML stream and produce parsing events.
- """
- loader = Loader(stream)
- while loader.check_event():
- yield loader.get_event()
-
-def compose(stream, Loader=Loader):
- """
- Parse the first YAML document in a stream
- and produce the corresponding representation tree.
- """
- loader = Loader(stream)
- if loader.check_node():
- return loader.get_node()
-
-def compose_all(stream, Loader=Loader):
- """
- Parse all YAML documents in a stream
- and produce corresponsing representation trees.
- """
- loader = Loader(stream)
- while loader.check_node():
- yield loader.get_node()
-
-def load_all(stream, Loader=Loader):
- """
- Parse all YAML documents in a stream
- and produce corresponding Python objects.
- """
- loader = Loader(stream)
- while loader.check_data():
- yield loader.get_data()
-
-def load(stream, Loader=Loader):
- """
- Parse the first YAML document in a stream
- and produce the corresponding Python object.
- """
- loader = Loader(stream)
- if loader.check_data():
- return loader.get_data()
-
-def safe_load_all(stream):
- """
- Parse all YAML documents in a stream
- and produce corresponding Python objects.
- Resolve only basic YAML tags.
- """
- return load_all(stream, SafeLoader)
-
-def safe_load(stream):
- """
- Parse the first YAML document in a stream
- and produce the corresponding Python object.
- Resolve only basic YAML tags.
- """
- return load(stream, SafeLoader)
-
-def emit(events, stream=None, Dumper=Dumper,
- canonical=None, indent=None, width=None,
- allow_unicode=None, line_break=None):
- """
- Emit YAML parsing events into a stream.
- If stream is None, return the produced string instead.
- """
- getvalue = None
- if stream is None:
- try:
- from cStringIO import StringIO
- except ImportError:
- from StringIO import StringIO
- stream = StringIO()
- getvalue = stream.getvalue
- dumper = Dumper(stream, canonical=canonical, indent=indent, width=width,
- allow_unicode=allow_unicode, line_break=line_break)
- for event in events:
- dumper.emit(event)
- if getvalue:
- return getvalue()
-
-def serialize_all(nodes, stream=None, Dumper=Dumper,
- canonical=None, indent=None, width=None,
- allow_unicode=None, line_break=None,
- encoding='utf-8', explicit_start=None, explicit_end=None,
- version=None, tags=None):
- """
- Serialize a sequence of representation trees into a YAML stream.
- If stream is None, return the produced string instead.
- """
- getvalue = None
- if stream is None:
- try:
- from cStringIO import StringIO
- except ImportError:
- from StringIO import StringIO
- stream = StringIO()
- getvalue = stream.getvalue
- dumper = Dumper(stream, canonical=canonical, indent=indent, width=width,
- allow_unicode=allow_unicode, line_break=line_break,
- encoding=encoding, version=version, tags=tags,
- explicit_start=explicit_start, explicit_end=explicit_end)
- dumper.open()
- for node in nodes:
- dumper.serialize(node)
- dumper.close()
- if getvalue:
- return getvalue()
-
-def serialize(node, stream=None, Dumper=Dumper, **kwds):
- """
- Serialize a representation tree into a YAML stream.
- If stream is None, return the produced string instead.
- """
- return serialize_all([node], stream, Dumper=Dumper, **kwds)
-
-def dump_all(documents, stream=None, Dumper=Dumper,
- default_style=None, default_flow_style=None,
- canonical=None, indent=None, width=None,
- allow_unicode=None, line_break=None,
- encoding='utf-8', explicit_start=None, explicit_end=None,
- version=None, tags=None):
- """
- Serialize a sequence of Python objects into a YAML stream.
- If stream is None, return the produced string instead.
- """
- getvalue = None
- if stream is None:
- try:
- from cStringIO import StringIO
- except ImportError:
- from StringIO import StringIO
- stream = StringIO()
- getvalue = stream.getvalue
- dumper = Dumper(stream, default_style=default_style,
- default_flow_style=default_flow_style,
- canonical=canonical, indent=indent, width=width,
- allow_unicode=allow_unicode, line_break=line_break,
- encoding=encoding, version=version, tags=tags,
- explicit_start=explicit_start, explicit_end=explicit_end)
- dumper.open()
- for data in documents:
- dumper.represent(data)
- dumper.close()
- if getvalue:
- return getvalue()
-
-def dump(data, stream=None, Dumper=Dumper, **kwds):
- """
- Serialize a Python object into a YAML stream.
- If stream is None, return the produced string instead.
- """
- return dump_all([data], stream, Dumper=Dumper, **kwds)
-
-def safe_dump_all(documents, stream=None, **kwds):
- """
- Serialize a sequence of Python objects into a YAML stream.
- Produce only basic YAML tags.
- If stream is None, return the produced string instead.
- """
- return dump_all(documents, stream, Dumper=SafeDumper, **kwds)
-
-def safe_dump(data, stream=None, **kwds):
- """
- Serialize a Python object into a YAML stream.
- Produce only basic YAML tags.
- If stream is None, return the produced string instead.
- """
- return dump_all([data], stream, Dumper=SafeDumper, **kwds)
-
-def add_implicit_resolver(tag, regexp, first=None,
- Loader=Loader, Dumper=Dumper):
- """
- Add an implicit scalar detector.
- If an implicit scalar value matches the given regexp,
- the corresponding tag is assigned to the scalar.
- first is a sequence of possible initial characters or None.
- """
- Loader.add_implicit_resolver(tag, regexp, first)
- Dumper.add_implicit_resolver(tag, regexp, first)
-
-def add_path_resolver(tag, path, kind=None, Loader=Loader, Dumper=Dumper):
- """
- Add a path based resolver for the given tag.
- A path is a list of keys that forms a path
- to a node in the representation tree.
- Keys can be string values, integers, or None.
- """
- Loader.add_path_resolver(tag, path, kind)
- Dumper.add_path_resolver(tag, path, kind)
-
-def add_constructor(tag, constructor, Loader=Loader):
- """
- Add a constructor for the given tag.
- Constructor is a function that accepts a Loader instance
- and a node object and produces the corresponding Python object.
- """
- Loader.add_constructor(tag, constructor)
-
-def add_multi_constructor(tag_prefix, multi_constructor, Loader=Loader):
- """
- Add a multi-constructor for the given tag prefix.
- Multi-constructor is called for a node if its tag starts with tag_prefix.
- Multi-constructor accepts a Loader instance, a tag suffix,
- and a node object and produces the corresponding Python object.
- """
- Loader.add_multi_constructor(tag_prefix, multi_constructor)
-
-def add_representer(data_type, representer, Dumper=Dumper):
- """
- Add a representer for the given type.
- Representer is a function accepting a Dumper instance
- and an instance of the given data type
- and producing the corresponding representation node.
- """
- Dumper.add_representer(data_type, representer)
-
-def add_multi_representer(data_type, multi_representer, Dumper=Dumper):
- """
- Add a representer for the given type.
- Multi-representer is a function accepting a Dumper instance
- and an instance of the given data type or subtype
- and producing the corresponding representation node.
- """
- Dumper.add_multi_representer(data_type, multi_representer)
-
-class YAMLObjectMetaclass(type):
- """
- The metaclass for YAMLObject.
- """
- def __init__(cls, name, bases, kwds):
- super(YAMLObjectMetaclass, cls).__init__(name, bases, kwds)
- if 'yaml_tag' in kwds and kwds['yaml_tag'] is not None:
- cls.yaml_loader.add_constructor(cls.yaml_tag, cls.from_yaml)
- cls.yaml_dumper.add_representer(cls, cls.to_yaml)
-
-class YAMLObject(object):
- """
- An object that can dump itself to a YAML stream
- and load itself from a YAML stream.
- """
-
- __metaclass__ = YAMLObjectMetaclass
-
- yaml_loader = Loader
- yaml_dumper = Dumper
-
- yaml_tag = None
- yaml_flow_style = None
-
- def from_yaml(cls, loader, node):
- """
- Convert a representation node to a Python object.
- """
- return loader.construct_yaml_object(node, cls)
- from_yaml = classmethod(from_yaml)
-
- def to_yaml(cls, dumper, data):
- """
- Convert a Python object to a representation node.
- """
- return dumper.represent_yaml_object(cls.yaml_tag, data, cls,
- flow_style=cls.yaml_flow_style)
- to_yaml = classmethod(to_yaml)
-
diff --git a/external_libs/python/PyYAML-3.01/lib/yaml/composer.py b/external_libs/python/PyYAML-3.01/lib/yaml/composer.py
deleted file mode 100644
index d256b054..00000000
--- a/external_libs/python/PyYAML-3.01/lib/yaml/composer.py
+++ /dev/null
@@ -1,123 +0,0 @@
-
-__all__ = ['Composer', 'ComposerError']
-
-from error import MarkedYAMLError
-from events import *
-from nodes import *
-
-class ComposerError(MarkedYAMLError):
- pass
-
-class Composer:
-
- def __init__(self):
- self.anchors = {}
-
- def check_node(self):
- # If there are more documents available?
- return not self.check_event(StreamEndEvent)
-
- def get_node(self):
- # Get the root node of the next document.
- if not self.check_event(StreamEndEvent):
- return self.compose_document()
-
- def __iter__(self):
- # Iterator protocol.
- while not self.check_event(StreamEndEvent):
- yield self.compose_document()
-
- def compose_document(self):
-
- # Drop the STREAM-START event.
- if self.check_event(StreamStartEvent):
- self.get_event()
-
- # Drop the DOCUMENT-START event.
- self.get_event()
-
- # Compose the root node.
- node = self.compose_node(None, None)
-
- # Drop the DOCUMENT-END event.
- self.get_event()
-
- self.complete_anchors = {}
- return node
-
- def compose_node(self, parent, index):
- if self.check_event(AliasEvent):
- event = self.get_event()
- anchor = event.anchor
- if anchor not in self.anchors:
- raise ComposerError(None, None, "found undefined alias %r"
- % anchor.encode('utf-8'), event.start_mark)
- return self.anchors[anchor]
- event = self.peek_event()
- anchor = event.anchor
- if anchor is not None:
- if anchor in self.anchors:
- raise ComposerError("found duplicate anchor %r; first occurence"
- % anchor.encode('utf-8'), self.anchors[anchor].start_mark,
- "second occurence", event.start_mark)
- self.descend_resolver(parent, index)
- if self.check_event(ScalarEvent):
- node = self.compose_scalar_node(anchor)
- elif self.check_event(SequenceStartEvent):
- node = self.compose_sequence_node(anchor)
- elif self.check_event(MappingStartEvent):
- node = self.compose_mapping_node(anchor)
- self.ascend_resolver()
- return node
-
- def compose_scalar_node(self, anchor):
- event = self.get_event()
- tag = event.tag
- if tag is None or tag == u'!':
- tag = self.resolve(ScalarNode, event.value, event.implicit)
- node = ScalarNode(tag, event.value,
- event.start_mark, event.end_mark, style=event.style)
- if anchor is not None:
- self.anchors[anchor] = node
- return node
-
- def compose_sequence_node(self, anchor):
- start_event = self.get_event()
- tag = start_event.tag
- if tag is None or tag == u'!':
- tag = self.resolve(SequenceNode, None, start_event.implicit)
- node = SequenceNode(tag, [],
- start_event.start_mark, None,
- flow_style=start_event.flow_style)
- if anchor is not None:
- self.anchors[anchor] = node
- index = 0
- while not self.check_event(SequenceEndEvent):
- node.value.append(self.compose_node(node, index))
- index += 1
- end_event = self.get_event()
- node.end_mark = end_event.end_mark
- return node
-
- def compose_mapping_node(self, anchor):
- start_event = self.get_event()
- tag = start_event.tag
- if tag is None or tag == u'!':
- tag = self.resolve(MappingNode, None, start_event.implicit)
- node = MappingNode(tag, {},
- start_event.start_mark, None,
- flow_style=start_event.flow_style)
- if anchor is not None:
- self.anchors[anchor] = node
- while not self.check_event(MappingEndEvent):
- key_event = self.peek_event()
- item_key = self.compose_node(node, None)
- if item_key in node.value:
- raise ComposerError("while composing a mapping", start_event.start_mark,
- "found duplicate key", key_event.start_mark)
- item_value = self.compose_node(node, item_key)
- node.value[item_key] = item_value
- end_event = self.get_event()
- node.end_mark = end_event.end_mark
- return node
-
diff --git a/external_libs/python/PyYAML-3.01/lib/yaml/constructor.py b/external_libs/python/PyYAML-3.01/lib/yaml/constructor.py
deleted file mode 100644
index 57ad53d1..00000000
--- a/external_libs/python/PyYAML-3.01/lib/yaml/constructor.py
+++ /dev/null
@@ -1,638 +0,0 @@
-
-__all__ = ['BaseConstructor', 'SafeConstructor', 'Constructor',
- 'ConstructorError']
-
-from error import *
-from nodes import *
-from composer import *
-
-try:
- import datetime
- datetime_available = True
-except ImportError:
- datetime_available = False
-
-try:
- set
-except NameError:
- from sets import Set as set
-
-import binascii, re, sys
-
-class ConstructorError(MarkedYAMLError):
- pass
-
-class BaseConstructor(Composer):
-
- yaml_constructors = {}
- yaml_multi_constructors = {}
-
- def __init__(self):
- self.constructed_objects = {}
- self.recursive_objects = {}
-
- def check_data(self):
- # If there are more documents available?
- return self.check_node()
-
- def get_data(self):
- # Construct and return the next document.
- if self.check_node():
- return self.construct_document(self.get_node())
-
- def __iter__(self):
- # Iterator protocol.
- while self.check_node():
- yield self.construct_document(self.get_node())
-
- def construct_document(self, node):
- data = self.construct_object(node)
- self.constructed_objects = {}
- self.recursive_objects = {}
- return data
-
- def construct_object(self, node):
- if node in self.constructed_objects:
- return self.constructed_objects[node]
- if node in self.recursive_objects:
- raise ConstructorError(None, None,
- "found recursive node", node.start_mark)
- self.recursive_objects[node] = None
- constructor = None
- if node.tag in self.yaml_constructors:
- constructor = lambda node: self.yaml_constructors[node.tag](self, node)
- else:
- for tag_prefix in self.yaml_multi_constructors:
- if node.tag.startswith(tag_prefix):
- tag_suffix = node.tag[len(tag_prefix):]
- constructor = lambda node: \
- self.yaml_multi_constructors[tag_prefix](self, tag_suffix, node)
- break
- else:
- if None in self.yaml_multi_constructors:
- constructor = lambda node: \
- self.yaml_multi_constructors[None](self, node.tag, node)
- elif None in self.yaml_constructors:
- constructor = lambda node: \
- self.yaml_constructors[None](self, node)
- elif isinstance(node, ScalarNode):
- constructor = self.construct_scalar
- elif isinstance(node, SequenceNode):
- constructor = self.construct_sequence
- elif isinstance(node, MappingNode):
- constructor = self.construct_mapping
- else:
- print node.tag
- data = constructor(node)
- self.constructed_objects[node] = data
- del self.recursive_objects[node]
- return data
-
- def construct_scalar(self, node):
- if not isinstance(node, ScalarNode):
- if isinstance(node, MappingNode):
- for key_node in node.value:
- if key_node.tag == u'tag:yaml.org,2002:value':
- return self.construct_scalar(node.value[key_node])
- raise ConstructorError(None, None,
- "expected a scalar node, but found %s" % node.id,
- node.start_mark)
- return node.value
-
- def construct_sequence(self, node):
- if not isinstance(node, SequenceNode):
- raise ConstructorError(None, None,
- "expected a sequence node, but found %s" % node.id,
- node.start_mark)
- return [self.construct_object(child) for child in node.value]
-
- def construct_mapping(self, node):
- if not isinstance(node, MappingNode):
- raise ConstructorError(None, None,
- "expected a mapping node, but found %s" % node.id,
- node.start_mark)
- mapping = {}
- merge = None
- for key_node in node.value:
- if key_node.tag == u'tag:yaml.org,2002:merge':
- if merge is not None:
- raise ConstructorError("while constructing a mapping", node.start_mark,
- "found duplicate merge key", key_node.start_mark)
- value_node = node.value[key_node]
- if isinstance(value_node, MappingNode):
- merge = [self.construct_mapping(value_node)]
- elif isinstance(value_node, SequenceNode):
- merge = []
- for subnode in value_node.value:
- if not isinstance(subnode, MappingNode):
- raise ConstructorError("while constructing a mapping",
- node.start_mark,
- "expected a mapping for merging, but found %s"
- % subnode.id, subnode.start_mark)
- merge.append(self.construct_mapping(subnode))
- merge.reverse()
- else:
- raise ConstructorError("while constructing a mapping", node.start_mark,
- "expected a mapping or list of mappings for merging, but found %s"
- % value_node.id, value_node.start_mark)
- elif key_node.tag == u'tag:yaml.org,2002:value':
- if '=' in mapping:
- raise ConstructorError("while construction a mapping", node.start_mark,
- "found duplicate value key", key_node.start_mark)
- value = self.construct_object(node.value[key_node])
- mapping['='] = value
- else:
- key = self.construct_object(key_node)
- try:
- duplicate_key = key in mapping
- except TypeError, exc:
- raise ConstructorError("while constructing a mapping", node.start_mark,
- "found unacceptable key (%s)" % exc, key_node.start_mark)
- if duplicate_key:
- raise ConstructorError("while constructing a mapping", node.start_mark,
- "found duplicate key", key_node.start_mark)
- value = self.construct_object(node.value[key_node])
- mapping[key] = value
- if merge is not None:
- merge.append(mapping)
- mapping = {}
- for submapping in merge:
- mapping.update(submapping)
- return mapping
-
- def construct_pairs(self, node):
- if not isinstance(node, MappingNode):
- raise ConstructorError(None, None,
- "expected a mapping node, but found %s" % node.id,
- node.start_mark)
- pairs = []
- for key_node in node.value:
- key = self.construct_object(key_node)
- value = self.construct_object(node.value[key_node])
- pairs.append((key, value))
- return pairs
-
- def add_constructor(cls, tag, constructor):
- if not 'yaml_constructors' in cls.__dict__:
- cls.yaml_constructors = cls.yaml_constructors.copy()
- cls.yaml_constructors[tag] = constructor
- add_constructor = classmethod(add_constructor)
-
- def add_multi_constructor(cls, tag_prefix, multi_constructor):
- if not 'yaml_multi_constructors' in cls.__dict__:
- cls.yaml_multi_constructors = cls.yaml_multi_constructors.copy()
- cls.yaml_multi_constructors[tag_prefix] = multi_constructor
- add_multi_constructor = classmethod(add_multi_constructor)
-
-class SafeConstructor(BaseConstructor):
-
- def construct_yaml_null(self, node):
- self.construct_scalar(node)
- return None
-
- bool_values = {
- u'yes': True,
- u'no': False,
- u'true': True,
- u'false': False,
- u'on': True,
- u'off': False,
- }
-
- def construct_yaml_bool(self, node):
- value = self.construct_scalar(node)
- return self.bool_values[value.lower()]
-
- def construct_yaml_int(self, node):
- value = str(self.construct_scalar(node))
- value = value.replace('_', '')
- sign = +1
- if value[0] == '-':
- sign = -1
- if value[0] in '+-':
- value = value[1:]
- if value == '0':
- return 0
- elif value.startswith('0b'):
- return sign*int(value[2:], 2)
- elif value.startswith('0x'):
- return sign*int(value[2:], 16)
- elif value[0] == '0':
- return sign*int(value, 8)
- elif ':' in value:
- digits = [int(part) for part in value.split(':')]
- digits.reverse()
- base = 1
- value = 0
- for digit in digits:
- value += digit*base
- base *= 60
- return sign*value
- else:
- return sign*int(value)
-
- inf_value = 1e300000
- nan_value = inf_value/inf_value
-
- def construct_yaml_float(self, node):
- value = str(self.construct_scalar(node))
- value = value.replace('_', '')
- sign = +1
- if value[0] == '-':
- sign = -1
- if value[0] in '+-':
- value = value[1:]
- if value.lower() == '.inf':
- return sign*self.inf_value
- elif value.lower() == '.nan':
- return self.nan_value
- elif ':' in value:
- digits = [float(part) for part in value.split(':')]
- digits.reverse()
- base = 1
- value = 0.0
- for digit in digits:
- value += digit*base
- base *= 60
- return sign*value
- else:
- return float(value)
-
- def construct_yaml_binary(self, node):
- value = self.construct_scalar(node)
- try:
- return str(value).decode('base64')
- except (binascii.Error, UnicodeEncodeError), exc:
- raise ConstructorError(None, None,
- "failed to decode base64 data: %s" % exc, node.start_mark)
-
- timestamp_regexp = re.compile(
- ur'''^(?P<year>[0-9][0-9][0-9][0-9])
- -(?P<month>[0-9][0-9]?)
- -(?P<day>[0-9][0-9]?)
- (?:(?:[Tt]|[ \t]+)
- (?P<hour>[0-9][0-9]?)
- :(?P<minute>[0-9][0-9])
- :(?P<second>[0-9][0-9])
- (?:\.(?P<fraction>[0-9]*))?
- (?:[ \t]*(?:Z|(?P<tz_hour>[-+][0-9][0-9]?)
- (?::(?P<tz_minute>[0-9][0-9])?)?))?)?$''', re.X)
-
- def construct_yaml_timestamp(self, node):
- value = self.construct_scalar(node)
- match = self.timestamp_regexp.match(node.value)
- values = match.groupdict()
- for key in values:
- if values[key]:
- values[key] = int(values[key])
- else:
- values[key] = 0
- fraction = values['fraction']
- if fraction:
- while 10*fraction < 1000000:
- fraction *= 10
- values['fraction'] = fraction
- stamp = datetime.datetime(values['year'], values['month'], values['day'],
- values['hour'], values['minute'], values['second'], values['fraction'])
- diff = datetime.timedelta(hours=values['tz_hour'], minutes=values['tz_minute'])
- return stamp-diff
-
- def construct_yaml_omap(self, node):
- # Note: we do not check for duplicate keys, because it's too
- # CPU-expensive.
- if not isinstance(node, SequenceNode):
- raise ConstructorError("while constructing an ordered map", node.start_mark,
- "expected a sequence, but found %s" % node.id, node.start_mark)
- omap = []
- for subnode in node.value:
- if not isinstance(subnode, MappingNode):
- raise ConstructorError("while constructing an ordered map", node.start_mark,
- "expected a mapping of length 1, but found %s" % subnode.id,
- subnode.start_mark)
- if len(subnode.value) != 1:
- raise ConstructorError("while constructing an ordered map", node.start_mark,
- "expected a single mapping item, but found %d items" % len(subnode.value),
- subnode.start_mark)
- key_node = subnode.value.keys()[0]
- key = self.construct_object(key_node)
- value = self.construct_object(subnode.value[key_node])
- omap.append((key, value))
- return omap
-
- def construct_yaml_pairs(self, node):
- # Note: the same code as `construct_yaml_omap`.
- if not isinstance(node, SequenceNode):
- raise ConstructorError("while constructing pairs", node.start_mark,
- "expected a sequence, but found %s" % node.id, node.start_mark)
- pairs = []
- for subnode in node.value:
- if not isinstance(subnode, MappingNode):
- raise ConstructorError("while constructing pairs", node.start_mark,
- "expected a mapping of length 1, but found %s" % subnode.id,
- subnode.start_mark)
- if len(subnode.value) != 1:
- raise ConstructorError("while constructing pairs", node.start_mark,
- "expected a single mapping item, but found %d items" % len(subnode.value),
- subnode.start_mark)
- key_node = subnode.value.keys()[0]
- key = self.construct_object(key_node)
- value = self.construct_object(subnode.value[key_node])
- pairs.append((key, value))
- return pairs
-
- def construct_yaml_set(self, node):
- value = self.construct_mapping(node)
- return set(value)
-
- def construct_yaml_str(self, node):
- value = self.construct_scalar(node)
- try:
- return str(value)
- except UnicodeEncodeError:
- return value
-
- def construct_yaml_seq(self, node):
- return self.construct_sequence(node)
-
- def construct_yaml_map(self, node):
- return self.construct_mapping(node)
-
- def construct_yaml_object(self, node, cls):
- state = self.construct_mapping(node)
- data = cls.__new__(cls)
- if hasattr(data, '__setstate__'):
- data.__setstate__(state)
- else:
- data.__dict__.update(state)
- return data
-
- def construct_undefined(self, node):
- raise ConstructorError(None, None,
- "could not determine a constructor for the tag %r" % node.tag.encode('utf-8'),
- node.start_mark)
-
-SafeConstructor.add_constructor(
- u'tag:yaml.org,2002:null',
- SafeConstructor.construct_yaml_null)
-
-SafeConstructor.add_constructor(
- u'tag:yaml.org,2002:bool',
- SafeConstructor.construct_yaml_bool)
-
-SafeConstructor.add_constructor(
- u'tag:yaml.org,2002:int',
- SafeConstructor.construct_yaml_int)
-
-SafeConstructor.add_constructor(
- u'tag:yaml.org,2002:float',
- SafeConstructor.construct_yaml_float)
-
-SafeConstructor.add_constructor(
- u'tag:yaml.org,2002:binary',
- SafeConstructor.construct_yaml_binary)
-
-if datetime_available:
- SafeConstructor.add_constructor(
- u'tag:yaml.org,2002:timestamp',
- SafeConstructor.construct_yaml_timestamp)
-
-SafeConstructor.add_constructor(
- u'tag:yaml.org,2002:omap',
- SafeConstructor.construct_yaml_omap)
-
-SafeConstructor.add_constructor(
- u'tag:yaml.org,2002:pairs',
- SafeConstructor.construct_yaml_pairs)
-
-SafeConstructor.add_constructor(
- u'tag:yaml.org,2002:set',
- SafeConstructor.construct_yaml_set)
-
-SafeConstructor.add_constructor(
- u'tag:yaml.org,2002:str',
- SafeConstructor.construct_yaml_str)
-
-SafeConstructor.add_constructor(
- u'tag:yaml.org,2002:seq',
- SafeConstructor.construct_yaml_seq)
-
-SafeConstructor.add_constructor(
- u'tag:yaml.org,2002:map',
- SafeConstructor.construct_yaml_map)
-
-SafeConstructor.add_constructor(None,
- SafeConstructor.construct_undefined)
-
-class Constructor(SafeConstructor):
-
- def construct_python_str(self, node):
- return self.construct_scalar(node).encode('utf-8')
-
- def construct_python_unicode(self, node):
- return self.construct_scalar(node)
-
- def construct_python_long(self, node):
- return long(self.construct_yaml_int(node))
-
- def construct_python_complex(self, node):
- return complex(self.construct_scalar(node))
-
- def construct_python_tuple(self, node):
- return tuple(self.construct_yaml_seq(node))
-
- def find_python_module(self, name, mark):
- if not name:
- raise ConstructorError("while constructing a Python module", mark,
- "expected non-empty name appended to the tag", mark)
- try:
- __import__(name)
- except ImportError, exc:
- raise ConstructorError("while constructing a Python module", mark,
- "cannot find module %r (%s)" % (name.encode('utf-8'), exc), mark)
- return sys.modules[name]
-
- def find_python_name(self, name, mark):
- if not name:
- raise ConstructorError("while constructing a Python object", mark,
- "expected non-empty name appended to the tag", mark)
- if u'.' in name:
- # Python 2.4 only
- #module_name, object_name = name.rsplit('.', 1)
- items = name.split('.')
- object_name = items.pop()
- module_name = '.'.join(items)
- else:
- module_name = '__builtin__'
- object_name = name
- try:
- __import__(module_name)
- except ImportError, exc:
- raise ConstructorError("while constructing a Python object", mark,
- "cannot find module %r (%s)" % (module_name.encode('utf-8'), exc), mark)
- module = sys.modules[module_name]
- if not hasattr(module, object_name):
- raise ConstructorError("while constructing a Python object", mark,
- "cannot find %r in the module %r" % (object_name.encode('utf-8'),
- module.__name__), mark)
- return getattr(module, object_name)
-
- def construct_python_name(self, suffix, node):
- value = self.construct_scalar(node)
- if value:
- raise ConstructorError("while constructing a Python name", node.start_mark,
- "expected the empty value, but found %r" % value.encode('utf-8'),
- node.start_mark)
- return self.find_python_name(suffix, node.start_mark)
-
- def construct_python_module(self, suffix, node):
- value = self.construct_scalar(node)
- if value:
- raise ConstructorError("while constructing a Python module", node.start_mark,
- "expected the empty value, but found %r" % value.encode('utf-8'),
- node.start_mark)
- return self.find_python_module(suffix, node.start_mark)
-
- class classobj: pass
-
- def make_python_instance(self, suffix, node,
- args=None, kwds=None, newobj=False):
- if not args:
- args = []
- if not kwds:
- kwds = {}
- cls = self.find_python_name(suffix, node.start_mark)
- if newobj and isinstance(cls, type(self.classobj)) \
- and not args and not kwds:
- instance = self.classobj()
- instance.__class__ = cls
- return instance
- elif newobj and isinstance(cls, type):
- return cls.__new__(cls, *args, **kwds)
- else:
- return cls(*args, **kwds)
-
- def set_python_instance_state(self, instance, state):
- if hasattr(instance, '__setstate__'):
- instance.__setstate__(state)
- else:
- slotstate = {}
- if isinstance(state, tuple) and len(state) == 2:
- state, slotstate = state
- if hasattr(instance, '__dict__'):
- instance.__dict__.update(state)
- elif state:
- slotstate.update(state)
- for key, value in slotstate.items():
- setattr(object, key, value)
-
- def construct_python_object(self, suffix, node):
- # Format:
- # !!python/object:module.name { ... state ... }
- instance = self.make_python_instance(suffix, node, newobj=True)
- state = self.construct_mapping(node)
- self.set_python_instance_state(instance, state)
- return instance
-
- def construct_python_object_apply(self, suffix, node, newobj=False):
- # Format:
- # !!python/object/apply # (or !!python/object/new)
- # args: [ ... arguments ... ]
- # kwds: { ... keywords ... }
- # state: ... state ...
- # listitems: [ ... listitems ... ]
- # dictitems: { ... dictitems ... }
- # or short format:
- # !!python/object/apply [ ... arguments ... ]
- # The difference between !!python/object/apply and !!python/object/new
- # is how an object is created, check make_python_instance for details.
- if isinstance(node, SequenceNode):
- args = self.construct_sequence(node)
- kwds = {}
- state = {}
- listitems = []
- dictitems = {}
- else:
- value = self.construct_mapping(node)
- args = value.get('args', [])
- kwds = value.get('kwds', {})
- state = value.get('state', {})
- listitems = value.get('listitems', [])
- dictitems = value.get('dictitems', {})
- instance = self.make_python_instance(suffix, node, args, kwds, newobj)
- if state:
- self.set_python_instance_state(instance, state)
- if listitems:
- instance.extend(listitems)
- if dictitems:
- for key in dictitems:
- instance[key] = dictitems[key]
- return instance
-
- def construct_python_object_new(self, suffix, node):
- return self.construct_python_object_apply(suffix, node, newobj=True)
-
-
-Constructor.add_constructor(
- u'tag:yaml.org,2002:python/none',
- Constructor.construct_yaml_null)
-
-Constructor.add_constructor(
- u'tag:yaml.org,2002:python/bool',
- Constructor.construct_yaml_bool)
-
-Constructor.add_constructor(
- u'tag:yaml.org,2002:python/str',
- Constructor.construct_python_str)
-
-Constructor.add_constructor(
- u'tag:yaml.org,2002:python/unicode',
- Constructor.construct_python_unicode)
-
-Constructor.add_constructor(
- u'tag:yaml.org,2002:python/int',
- Constructor.construct_yaml_int)
-
-Constructor.add_constructor(
- u'tag:yaml.org,2002:python/long',
- Constructor.construct_python_long)
-
-Constructor.add_constructor(
- u'tag:yaml.org,2002:python/float',
- Constructor.construct_yaml_float)
-
-Constructor.add_constructor(
- u'tag:yaml.org,2002:python/complex',
- Constructor.construct_python_complex)
-
-Constructor.add_constructor(
- u'tag:yaml.org,2002:python/list',
- Constructor.construct_yaml_seq)
-
-Constructor.add_constructor(
- u'tag:yaml.org,2002:python/tuple',
- Constructor.construct_python_tuple)
-
-Constructor.add_constructor(
- u'tag:yaml.org,2002:python/dict',
- Constructor.construct_yaml_map)
-
-Constructor.add_multi_constructor(
- u'tag:yaml.org,2002:python/name:',
- Constructor.construct_python_name)
-
-Constructor.add_multi_constructor(
- u'tag:yaml.org,2002:python/module:',
- Constructor.construct_python_module)
-
-Constructor.add_multi_constructor(
- u'tag:yaml.org,2002:python/object:',
- Constructor.construct_python_object)
-
-Constructor.add_multi_constructor(
- u'tag:yaml.org,2002:python/object/apply:',
- Constructor.construct_python_object_apply)
-
-Constructor.add_multi_constructor(
- u'tag:yaml.org,2002:python/object/new:',
- Constructor.construct_python_object_new)
-
diff --git a/external_libs/python/PyYAML-3.01/lib/yaml/dumper.py b/external_libs/python/PyYAML-3.01/lib/yaml/dumper.py
deleted file mode 100644
index 355c1e2f..00000000
--- a/external_libs/python/PyYAML-3.01/lib/yaml/dumper.py
+++ /dev/null
@@ -1,62 +0,0 @@
-
-__all__ = ['BaseDumper', 'SafeDumper', 'Dumper']
-
-from emitter import *
-from serializer import *
-from representer import *
-from resolver import *
-
-class BaseDumper(Emitter, Serializer, BaseRepresenter, BaseResolver):
-
- def __init__(self, stream,
- default_style=None, default_flow_style=None,
- canonical=None, indent=None, width=None,
- allow_unicode=None, line_break=None,
- encoding=None, explicit_start=None, explicit_end=None,
- version=None, tags=None):
- Emitter.__init__(self, stream, canonical=canonical,
- indent=indent, width=width,
- allow_uncode=allow_unicode, line_break=line_break)
- Serializer.__init__(self, encoding=encoding,
- explicit_start=explicit_start, explicit_end=explicit_end,
- version=version, tags=tags)
- Representer.__init__(self, default_style=default_style,
- default_flow_style=default_flow_style)
- Resolver.__init__(self)
-
-class SafeDumper(Emitter, Serializer, SafeRepresenter, Resolver):
-
- def __init__(self, stream,
- default_style=None, default_flow_style=None,
- canonical=None, indent=None, width=None,
- allow_unicode=None, line_break=None,
- encoding=None, explicit_start=None, explicit_end=None,
- version=None, tags=None):
- Emitter.__init__(self, stream, canonical=canonical,
- indent=indent, width=width,
- allow_unicode=allow_unicode, line_break=line_break)
- Serializer.__init__(self, encoding=encoding,
- explicit_start=explicit_start, explicit_end=explicit_end,
- version=version, tags=tags)
- SafeRepresenter.__init__(self, default_style=default_style,
- default_flow_style=default_flow_style)
- Resolver.__init__(self)
-
-class Dumper(Emitter, Serializer, Representer, Resolver):
-
- def __init__(self, stream,
- default_style=None, default_flow_style=None,
- canonical=None, indent=None, width=None,
- allow_unicode=None, line_break=None,
- encoding=None, explicit_start=None, explicit_end=None,
- version=None, tags=None):
- Emitter.__init__(self, stream, canonical=canonical,
- indent=indent, width=width,
- allow_unicode=allow_unicode, line_break=line_break)
- Serializer.__init__(self, encoding=encoding,
- explicit_start=explicit_start, explicit_end=explicit_end,
- version=version, tags=tags)
- Representer.__init__(self, default_style=default_style,
- default_flow_style=default_flow_style)
- Resolver.__init__(self)
-
diff --git a/external_libs/python/PyYAML-3.01/lib/yaml/emitter.py b/external_libs/python/PyYAML-3.01/lib/yaml/emitter.py
deleted file mode 100644
index a34c4526..00000000
--- a/external_libs/python/PyYAML-3.01/lib/yaml/emitter.py
+++ /dev/null
@@ -1,1162 +0,0 @@
-
-# Emitter expects events obeying the following grammar:
-# stream ::= STREAM-START document* STREAM-END
-# document ::= DOCUMENT-START node DOCUMENT-END
-# node ::= SCALAR | sequence | mapping
-# sequence ::= SEQUENCE-START node* SEQUENCE-END
-# mapping ::= MAPPING-START (node node)* MAPPING-END
-
-__all__ = ['Emitter', 'EmitterError']
-
-from error import YAMLError
-from events import *
-
-import re
-
-class EmitterError(YAMLError):
- pass
-
-class ScalarAnalysis:
- def __init__(self, scalar, empty, multiline,
- allow_flow_plain, allow_block_plain,
- allow_single_quoted, allow_double_quoted,
- allow_block):
- self.scalar = scalar
- self.empty = empty
- self.multiline = multiline
- self.allow_flow_plain = allow_flow_plain
- self.allow_block_plain = allow_block_plain
- self.allow_single_quoted = allow_single_quoted
- self.allow_double_quoted = allow_double_quoted
- self.allow_block = allow_block
-
-class Emitter:
-
- DEFAULT_TAG_PREFIXES = {
- u'!' : u'!',
- u'tag:yaml.org,2002:' : u'!!',
- }
-
- def __init__(self, stream, canonical=None, indent=None, width=None,
- allow_unicode=None, line_break=None):
-
- # The stream should have the methods `write` and possibly `flush`.
- self.stream = stream
-
- # Encoding can be overriden by STREAM-START.
- self.encoding = None
-
- # Emitter is a state machine with a stack of states to handle nested
- # structures.
- self.states = []
- self.state = self.expect_stream_start
-
- # Current event and the event queue.
- self.events = []
- self.event = None
-
- # The current indentation level and the stack of previous indents.
- self.indents = []
- self.indent = None
-
- # Flow level.
- self.flow_level = 0
-
- # Contexts.
- self.root_context = False
- self.sequence_context = False
- self.mapping_context = False
- self.simple_key_context = False
-
- # Characteristics of the last emitted character:
- # - current position.
- # - is it a whitespace?
- # - is it an indention character
- # (indentation space, '-', '?', or ':')?
- self.line = 0
- self.column = 0
- self.whitespace = True
- self.indention = True
-
- # Formatting details.
- self.canonical = canonical
- self.allow_unicode = allow_unicode
- self.best_indent = 2
- if indent and 1 < indent < 10:
- self.best_indent = indent
- self.best_width = 80
- if width and width > self.best_indent*2:
- self.best_width = width
- self.best_line_break = u'\n'
- if line_break in [u'\r', u'\n', u'\r\n']:
- self.best_line_break = line_break
-
- # Tag prefixes.
- self.tag_prefixes = None
-
- # Prepared anchor and tag.
- self.prepared_anchor = None
- self.prepared_tag = None
-
- # Scalar analysis and style.
- self.analysis = None
- self.style = None
-
- def emit(self, event):
- self.events.append(event)
- while not self.need_more_events():
- self.event = self.events.pop(0)
- self.state()
- self.event = None
-
- # In some cases, we wait for a few next events before emitting.
-
- def need_more_events(self):
- if not self.events:
- return True
- event = self.events[0]
- if isinstance(event, DocumentStartEvent):
- return self.need_events(1)
- elif isinstance(event, SequenceStartEvent):
- return self.need_events(2)
- elif isinstance(event, MappingStartEvent):
- return self.need_events(3)
- else:
- return False
-
- def need_events(self, count):
- level = 0
- for event in self.events[1:]:
- if isinstance(event, (DocumentStartEvent, CollectionStartEvent)):
- level += 1
- elif isinstance(event, (DocumentEndEvent, CollectionEndEvent)):
- level -= 1
- elif isinstance(event, StreamEndEvent):
- level = -1
- if level < 0:
- return False
- return (len(self.events) < count+1)
-
- def increase_indent(self, flow=False, indentless=False):
- self.indents.append(self.indent)
- if self.indent is None:
- if flow:
- self.indent = self.best_indent
- else:
- self.indent = 0
- elif not indentless:
- self.indent += self.best_indent
-
- # States.
-
- # Stream handlers.
-
- def expect_stream_start(self):
- if isinstance(self.event, StreamStartEvent):
- if self.event.encoding:
- self.encoding = self.event.encoding
- self.write_stream_start()
- self.state = self.expect_first_document_start
- else:
- raise EmitterError("expected StreamStartEvent, but got %s"
- % self.event)
-
- def expect_nothing(self):
- raise EmitterError("expected nothing, but got %s" % self.event)
-
- # Document handlers.
-
- def expect_first_document_start(self):
- return self.expect_document_start(first=True)
-
- def expect_document_start(self, first=False):
- if isinstance(self.event, DocumentStartEvent):
- if self.event.version:
- version_text = self.prepare_version(self.event.version)
- self.write_version_directive(version_text)
- self.tag_prefixes = self.DEFAULT_TAG_PREFIXES.copy()
- if self.event.tags:
- handles = self.event.tags.keys()
- handles.sort()
- for handle in handles:
- prefix = self.event.tags[handle]
- self.tag_prefixes[prefix] = handle
- handle_text = self.prepare_tag_handle(handle)
- prefix_text = self.prepare_tag_prefix(prefix)
- self.write_tag_directive(handle_text, prefix_text)
- implicit = (first and not self.event.explicit and not self.canonical
- and not self.event.version and not self.event.tags
- and not self.check_empty_document())
- if not implicit:
- self.write_indent()
- self.write_indicator(u'---', True)
- if self.canonical:
- self.write_indent()
- self.state = self.expect_document_root
- elif isinstance(self.event, StreamEndEvent):
- self.write_stream_end()
- self.state = self.expect_nothing
- else:
- raise EmitterError("expected DocumentStartEvent, but got %s"
- % self.event)
-
- def expect_document_end(self):
- if isinstance(self.event, DocumentEndEvent):
- self.write_indent()
- if self.event.explicit:
- self.write_indicator(u'...', True)
- self.write_indent()
- self.flush_stream()
- self.state = self.expect_document_start
- else:
- raise EmitterError("expected DocumentEndEvent, but got %s"
- % self.event)
-
- def expect_document_root(self):
- self.states.append(self.expect_document_end)
- self.expect_node(root=True)
-
- # Node handlers.
-
- def expect_node(self, root=False, sequence=False, mapping=False,
- simple_key=False):
- self.root_context = root
- self.sequence_context = sequence
- self.mapping_context = mapping
- self.simple_key_context = simple_key
- if isinstance(self.event, AliasEvent):
- self.expect_alias()
- elif isinstance(self.event, (ScalarEvent, CollectionStartEvent)):
- self.process_anchor(u'&')
- self.process_tag()
- if isinstance(self.event, ScalarEvent):
- self.expect_scalar()
- elif isinstance(self.event, SequenceStartEvent):
- if self.flow_level or self.canonical or self.event.flow_style \
- or self.check_empty_sequence():
- self.expect_flow_sequence()
- else:
- self.expect_block_sequence()
- elif isinstance(self.event, MappingStartEvent):
- if self.flow_level or self.canonical or self.event.flow_style \
- or self.check_empty_mapping():
- self.expect_flow_mapping()
- else:
- self.expect_block_mapping()
- else:
- raise EmitterError("expected NodeEvent, but got %s" % self.event)
-
- def expect_alias(self):
- if self.event.anchor is None:
- raise EmitterError("anchor is not specified for alias")
- self.process_anchor(u'*')
- self.state = self.states.pop()
-
- def expect_scalar(self):
- self.increase_indent(flow=True)
- self.process_scalar()
- self.indent = self.indents.pop()
- self.state = self.states.pop()
-
- # Flow sequence handlers.
-
- def expect_flow_sequence(self):
- self.write_indicator(u'[', True, whitespace=True)
- self.flow_level += 1
- self.increase_indent(flow=True)
- self.state = self.expect_first_flow_sequence_item
-
- def expect_first_flow_sequence_item(self):
- if isinstance(self.event, SequenceEndEvent):
- self.indent = self.indents.pop()
- self.flow_level -= 1
- self.write_indicator(u']', False)
- self.state = self.states.pop()
- else:
- if self.canonical or self.column > self.best_width:
- self.write_indent()
- self.states.append(self.expect_flow_sequence_item)
- self.expect_node(sequence=True)
-
- def expect_flow_sequence_item(self):
- if isinstance(self.event, SequenceEndEvent):
- self.indent = self.indents.pop()
- self.flow_level -= 1
- if self.canonical:
- self.write_indicator(u',', False)
- self.write_indent()
- self.write_indicator(u']', False)
- self.state = self.states.pop()
- else:
- self.write_indicator(u',', False)
- if self.canonical or self.column > self.best_width:
- self.write_indent()
- self.states.append(self.expect_flow_sequence_item)
- self.expect_node(sequence=True)
-
- # Flow mapping handlers.
-
- def expect_flow_mapping(self):
- self.write_indicator(u'{', True, whitespace=True)
- self.flow_level += 1
- self.increase_indent(flow=True)
- self.state = self.expect_first_flow_mapping_key
-
- def expect_first_flow_mapping_key(self):
- if isinstance(self.event, MappingEndEvent):
- self.indent = self.indents.pop()
- self.flow_level -= 1
- self.write_indicator(u'}', False)
- self.state = self.states.pop()
- else:
- if self.canonical or self.column > self.best_width:
- self.write_indent()
- if not self.canonical and self.check_simple_key():
- self.states.append(self.expect_flow_mapping_simple_value)
- self.expect_node(mapping=True, simple_key=True)
- else:
- self.write_indicator(u'?', True)
- self.states.append(self.expect_flow_mapping_value)
- self.expect_node(mapping=True)
-
- def expect_flow_mapping_key(self):
- if isinstance(self.event, MappingEndEvent):
- self.indent = self.indents.pop()
- self.flow_level -= 1
- if self.canonical:
- self.write_indicator(u',', False)
- self.write_indent()
- self.write_indicator(u'}', False)
- self.state = self.states.pop()
- else:
- self.write_indicator(u',', False)
- if self.canonical or self.column > self.best_width:
- self.write_indent()
- if not self.canonical and self.check_simple_key():
- self.states.append(self.expect_flow_mapping_simple_value)
- self.expect_node(mapping=True, simple_key=True)
- else:
- self.write_indicator(u'?', True)
- self.states.append(self.expect_flow_mapping_value)
- self.expect_node(mapping=True)
-
- def expect_flow_mapping_simple_value(self):
- self.write_indicator(u':', False)
- self.states.append(self.expect_flow_mapping_key)
- self.expect_node(mapping=True)
-
- def expect_flow_mapping_value(self):
- if self.canonical or self.column > self.best_width:
- self.write_indent()
- self.write_indicator(u':', True)
- self.states.append(self.expect_flow_mapping_key)
- self.expect_node(mapping=True)
-
- # Block sequence handlers.
-
- def expect_block_sequence(self):
- indentless = (self.mapping_context and not self.indention)
- self.increase_indent(flow=False, indentless=indentless)
- self.state = self.expect_first_block_sequence_item
-
- def expect_first_block_sequence_item(self):
- return self.expect_block_sequence_item(first=True)
-
- def expect_block_sequence_item(self, first=False):
- if not first and isinstance(self.event, SequenceEndEvent):
- self.indent = self.indents.pop()
- self.state = self.states.pop()
- else:
- self.write_indent()
- self.write_indicator(u'-', True, indention=True)
- self.states.append(self.expect_block_sequence_item)
- self.expect_node(sequence=True)
-
- # Block mapping handlers.
-
- def expect_block_mapping(self):
- self.increase_indent(flow=False)
- self.state = self.expect_first_block_mapping_key
-
- def expect_first_block_mapping_key(self):
- return self.expect_block_mapping_key(first=True)
-
- def expect_block_mapping_key(self, first=False):
- if not first and isinstance(self.event, MappingEndEvent):
- self.indent = self.indents.pop()
- self.state = self.states.pop()
- else:
- self.write_indent()
- if self.check_simple_key():
- self.states.append(self.expect_block_mapping_simple_value)
- self.expect_node(mapping=True, simple_key=True)
- else:
- self.write_indicator(u'?', True, indention=True)
- self.states.append(self.expect_block_mapping_value)
- self.expect_node(mapping=True)
-
- def expect_block_mapping_simple_value(self):
- self.write_indicator(u':', False)
- self.states.append(self.expect_block_mapping_key)
- self.expect_node(mapping=True)
-
- def expect_block_mapping_value(self):
- self.write_indent()
- self.write_indicator(u':', True, indention=True)
- self.states.append(self.expect_block_mapping_key)
- self.expect_node(mapping=True)
-
- # Checkers.
-
- def check_empty_sequence(self):
- return (isinstance(self.event, SequenceStartEvent) and self.events
- and isinstance(self.events[0], SequenceEndEvent))
-
- def check_empty_mapping(self):
- return (isinstance(self.event, MappingStartEvent) and self.events
- and isinstance(self.events[0], MappingEndEvent))
-
- def check_empty_document(self):
- if not isinstance(self.event, DocumentStartEvent) or not self.events:
- return False
- event = self.events[0]
- return (isinstance(event, ScalarEvent) and event.anchor is None
- and event.tag is None and event.implicit and event.value == u'')
-
- def check_simple_key(self):
- length = 0
- if isinstance(self.event, NodeEvent) and self.event.anchor is not None:
- if self.prepared_anchor is None:
- self.prepared_anchor = self.prepare_anchor(self.event.anchor)
- length += len(self.prepared_anchor)
- if isinstance(self.event, (ScalarEvent, CollectionStartEvent)) \
- and self.event.tag is not None:
- if self.prepared_tag is None:
- self.prepared_tag = self.prepare_tag(self.event.tag)
- length += len(self.prepared_tag)
- if isinstance(self.event, ScalarEvent):
- if self.analysis is None:
- self.analysis = self.analyze_scalar(self.event.value)
- length += len(self.analysis.scalar)
- return (length < 128 and (isinstance(self.event, AliasEvent)
- or (isinstance(self.event, ScalarEvent)
- and not self.analysis.empty and not self.analysis.multiline)
- or self.check_empty_sequence() or self.check_empty_mapping()))
-
- # Anchor, Tag, and Scalar processors.
-
- def process_anchor(self, indicator):
- if self.event.anchor is None:
- self.prepared_anchor = None
- return
- if self.prepared_anchor is None:
- self.prepared_anchor = self.prepare_anchor(self.event.anchor)
- if self.prepared_anchor:
- self.write_indicator(indicator+self.prepared_anchor, True)
- self.prepared_anchor = None
-
- def process_tag(self):
- tag = self.event.tag
- if isinstance(self.event, ScalarEvent):
- if self.style is None:
- self.style = self.choose_scalar_style()
- if ((not self.canonical or tag is None) and
- ((self.style == '' and self.event.implicit[0])
- or (self.style != '' and self.event.implicit[1]))):
- self.prepared_tag = None
- return
- if self.event.implicit[0] and tag is None:
- tag = u'!'
- self.prepared_tag = None
- else:
- if (not self.canonical or tag is None) and self.event.implicit:
- self.prepared_tag = None
- return
- if tag is None:
- raise EmitterError("tag is not specified")
- if self.prepared_tag is None:
- self.prepared_tag = self.prepare_tag(tag)
- if self.prepared_tag:
- self.write_indicator(self.prepared_tag, True)
- self.prepared_tag = None
-
- def choose_scalar_style(self):
- if self.analysis is None:
- self.analysis = self.analyze_scalar(self.event.value)
- if self.event.style == '"' or self.canonical:
- return '"'
- if not self.event.style and self.event.implicit[0]:
- if (not (self.simple_key_context and
- (self.analysis.empty or self.analysis.multiline))
- and (self.flow_level and self.analysis.allow_flow_plain
- or (not self.flow_level and self.analysis.allow_block_plain))):
- return ''
- if self.event.style and self.event.style in '|>':
- if not self.flow_level and self.analysis.allow_block:
- return self.event.style
- if not self.event.style or self.event.style == '\'':
- if (self.analysis.allow_single_quoted and
- not (self.simple_key_context and self.analysis.multiline)):
- return '\''
- return '"'
-
- def process_scalar(self):
- if self.analysis is None:
- self.analysis = self.analyze_scalar(self.event.value)
- if self.style is None:
- self.style = self.choose_scalar_style()
- split = (not self.simple_key_context)
- #if self.analysis.multiline and split \
- # and (not self.style or self.style in '\'\"'):
- # self.write_indent()
- if self.style == '"':
- self.write_double_quoted(self.analysis.scalar, split)
- elif self.style == '\'':
- self.write_single_quoted(self.analysis.scalar, split)
- elif self.style == '>':
- self.write_folded(self.analysis.scalar)
- elif self.style == '|':
- self.write_literal(self.analysis.scalar)
- else:
- self.write_plain(self.analysis.scalar, split)
- self.analysis = None
- self.style = None
-
- # Analyzers.
-
- def prepare_version(self, version):
- major, minor = version
- if major != 1:
- raise EmitterError("unsupported YAML version: %d.%d" % (major, minor))
- return u'%d.%d' % (major, minor)
-
- def prepare_tag_handle(self, handle):
- if not handle:
- raise EmitterError("tag handle must not be empty")
- if handle[0] != u'!' or handle[-1] != u'!':
- raise EmitterError("tag handle must start and end with '!': %r"
- % (handle.encode('utf-8')))
- for ch in handle[1:-1]:
- if not (u'0' <= ch <= u'9' or u'A' <= ch <= 'Z' or u'a' <= ch <= 'z' \
- or ch in u'-_'):
- raise EmitterError("invalid character %r in the tag handle: %r"
- % (ch.encode('utf-8'), handle.encode('utf-8')))
- return handle
-
- def prepare_tag_prefix(self, prefix):
- if not prefix:
- raise EmitterError("tag prefix must not be empty")
- chunks = []
- start = end = 0
- if prefix[0] == u'!':
- end = 1
- while end < len(prefix):
- ch = prefix[end]
- if u'0' <= ch <= u'9' or u'A' <= ch <= 'Z' or u'a' <= ch <= 'z' \
- or ch in u'-;/?!:@&=+$,_.~*\'()[]':
- end += 1
- else:
- if start < end:
- chunks.append(prefix[start:end])
- start = end = end+1
- data = ch.encode('utf-8')
- for ch in data:
- chunks.append(u'%%%02X' % ord(ch))
- if start < end:
- chunks.append(prefix[start:end])
- return u''.join(chunks)
-
- def prepare_tag(self, tag):
- if not tag:
- raise EmitterError("tag must not be empty")
- if tag == u'!':
- return tag
- handle = None
- suffix = tag
- for prefix in self.tag_prefixes:
- if tag.startswith(prefix) \
- and (prefix == u'!' or len(prefix) < len(tag)):
- handle = self.tag_prefixes[prefix]
- suffix = tag[len(prefix):]
- chunks = []
- start = end = 0
- while end < len(suffix):
- ch = suffix[end]
- if u'0' <= ch <= u'9' or u'A' <= ch <= 'Z' or u'a' <= ch <= 'z' \
- or ch in u'-;/?:@&=+$,_.~*\'()[]' \
- or (ch == u'!' and handle != u'!'):
- end += 1
- else:
- if start < end:
- chunks.append(suffix[start:end])
- start = end = end+1
- data = ch.encode('utf-8')
- for ch in data:
- chunks.append(u'%%%02X' % ord(ch))
- if start < end:
- chunks.append(suffix[start:end])
- suffix_text = u''.join(chunks)
- if handle:
- return u'%s%s' % (handle, suffix_text)
- else:
- return u'!<%s>' % suffix_text
-
- def prepare_anchor(self, anchor):
- if not anchor:
- raise EmitterError("anchor must not be empty")
- for ch in anchor:
- if not (u'0' <= ch <= u'9' or u'A' <= ch <= 'Z' or u'a' <= ch <= 'z' \
- or ch in u'-_'):
- raise EmitterError("invalid character %r in the anchor: %r"
- % (ch.encode('utf-8'), anchor.encode('utf-8')))
- return anchor
-
- def analyze_scalar(self, scalar):
-
- # Empty scalar is a special case.
- if not scalar:
- return ScalarAnalysis(scalar=scalar, empty=True, multiline=False,
- allow_flow_plain=False, allow_block_plain=True,
- allow_single_quoted=True, allow_double_quoted=True,
- allow_block=False)
-
- # Indicators and special characters.
- block_indicators = False
- flow_indicators = False
- line_breaks = False
- special_characters = False
-
- # Whitespaces.
- inline_spaces = False # non-space space+ non-space
- inline_breaks = False # non-space break+ non-space
- leading_spaces = False # ^ space+ (non-space | $)
- leading_breaks = False # ^ break+ (non-space | $)
- trailing_spaces = False # (^ | non-space) space+ $
- trailing_breaks = False # (^ | non-space) break+ $
- inline_breaks_spaces = False # non-space break+ space+ non-space
- mixed_breaks_spaces = False # anything else
-
- # Check document indicators.
- if scalar.startswith(u'---') or scalar.startswith(u'...'):
- block_indicators = True
- flow_indicators = True
-
- # First character or preceded by a whitespace.
- preceeded_by_space = True
-
- # Last character or followed by a whitespace.
- followed_by_space = (len(scalar) == 1 or
- scalar[1] in u'\0 \t\r\n\x85\u2028\u2029')
-
- # The current series of whitespaces contain plain spaces.
- spaces = False
-
- # The current series of whitespaces contain line breaks.
- breaks = False
-
- # The current series of whitespaces contain a space followed by a
- # break.
- mixed = False
-
- # The current series of whitespaces start at the beginning of the
- # scalar.
- leading = False
-
- index = 0
- while index < len(scalar):
- ch = scalar[index]
-
- # Check for indicators.
-
- if index == 0:
- # Leading indicators are special characters.
- if ch in u'#,[]{}#&*!|>\'\"%@`':
- flow_indicators = True
- block_indicators = True
- if ch in u'?:':
- flow_indicators = True
- if followed_by_space:
- block_indicators = True
- if ch == u'-' and followed_by_space:
- flow_indicators = True
- block_indicators = True
- else:
- # Some indicators cannot appear within a scalar as well.
- if ch in u',?[]{}':
- flow_indicators = True
- if ch == u':':
- flow_indicators = True
- if followed_by_space:
- block_indicators = True
- if ch == u'#' and preceeded_by_space:
- flow_indicators = True
- block_indicators = True
-
- # Check for line breaks, special, and unicode characters.
-
- if ch in u'\n\x85\u2028\u2029':
- line_breaks = True
- if not (ch == u'\n' or u'\x20' <= ch <= u'\x7E'):
- if (ch == u'\x85' or u'\xA0' <= ch <= u'\uD7FF'
- or u'\uE000' <= ch <= u'\uFFFD') and ch != u'\uFEFF':
- unicode_characters = True
- if not self.allow_unicode:
- special_characters = True
- else:
- special_characters = True
-
- # Spaces, line breaks, and how they are mixed. State machine.
-
- # Start or continue series of whitespaces.
- if ch in u' \n\x85\u2028\u2029':
- if spaces and breaks:
- if ch != u' ': # break+ (space+ break+) => mixed
- mixed = True
- elif spaces:
- if ch != u' ': # (space+ break+) => mixed
- breaks = True
- mixed = True
- elif breaks:
- if ch == u' ': # break+ space+
- spaces = True
- else:
- leading = (index == 0)
- if ch == u' ': # space+
- spaces = True
- else: # break+
- breaks = True
-
- # Series of whitespaces ended with a non-space.
- elif spaces or breaks:
- if leading:
- if spaces and breaks:
- mixed_breaks_spaces = True
- elif spaces:
- leading_spaces = True
- elif breaks:
- leading_breaks = True
- else:
- if mixed:
- mixed_breaks_spaces = True
- elif spaces and breaks:
- inline_breaks_spaces = True
- elif spaces:
- inline_spaces = True
- elif breaks:
- inline_breaks = True
- spaces = breaks = mixed = leading = False
-
- # Series of whitespaces reach the end.
- if (spaces or breaks) and (index == len(scalar)-1):
- if spaces and breaks:
- mixed_breaks_spaces = True
- elif spaces:
- trailing_spaces = True
- if leading:
- leading_spaces = True
- elif breaks:
- trailing_breaks = True
- if leading:
- leading_breaks = True
- spaces = breaks = mixed = leading = False
-
- # Prepare for the next character.
- index += 1
- preceeded_by_space = (ch in u'\0 \t\r\n\x85\u2028\u2029')
- followed_by_space = (index+1 >= len(scalar) or
- scalar[index+1] in u'\0 \t\r\n\x85\u2028\u2029')
-
- # Let's decide what styles are allowed.
- allow_flow_plain = True
- allow_block_plain = True
- allow_single_quoted = True
- allow_double_quoted = True
- allow_block = True
-
- # Leading and trailing whitespace are bad for plain scalars. We also
- # do not want to mess with leading whitespaces for block scalars.
- if leading_spaces or leading_breaks or trailing_spaces:
- allow_flow_plain = allow_block_plain = allow_block = False
-
- # Trailing breaks are fine for block scalars, but unacceptable for
- # plain scalars.
- if trailing_breaks:
- allow_flow_plain = allow_block_plain = False
-
- # The combination of (space+ break+) is only acceptable for block
- # scalars.
- if inline_breaks_spaces:
- allow_flow_plain = allow_block_plain = allow_single_quoted = False
-
- # Mixed spaces and breaks, as well as special character are only
- # allowed for double quoted scalars.
- if mixed_breaks_spaces or special_characters:
- allow_flow_plain = allow_block_plain = \
- allow_single_quoted = allow_block = False
-
- # We don't emit multiline plain scalars.
- if line_breaks:
- allow_flow_plain = allow_block_plain = False
-
- # Flow indicators are forbidden for flow plain scalars.
- if flow_indicators:
- allow_flow_plain = False
-
- # Block indicators are forbidden for block plain scalars.
- if block_indicators:
- allow_block_plain = False
-
- return ScalarAnalysis(scalar=scalar,
- empty=False, multiline=line_breaks,
- allow_flow_plain=allow_flow_plain,
- allow_block_plain=allow_block_plain,
- allow_single_quoted=allow_single_quoted,
- allow_double_quoted=allow_double_quoted,
- allow_block=allow_block)
-
- # Writers.
-
- def flush_stream(self):
- if hasattr(self.stream, 'flush'):
- self.stream.flush()
-
- def write_stream_start(self):
- # Write BOM if needed.
- if self.encoding and self.encoding.startswith('utf-16'):
- self.stream.write(u'\xFF\xFE'.encode(self.encoding))
-
- def write_stream_end(self):
- self.flush_stream()
-
- def write_indicator(self, indicator, need_whitespace,
- whitespace=False, indention=False):
- if self.whitespace or not need_whitespace:
- data = indicator
- else:
- data = u' '+indicator
- self.whitespace = whitespace
- self.indention = self.indention and indention
- self.column += len(data)
- if self.encoding:
- data = data.encode(self.encoding)
- self.stream.write(data)
-
- def write_indent(self):
- indent = self.indent or 0
- if not self.indention or self.column > indent \
- or (self.column == indent and not self.whitespace):
- self.write_line_break()
- if self.column < indent:
- self.whitespace = True
- data = u' '*(indent-self.column)
- self.column = indent
- if self.encoding:
- data = data.encode(self.encoding)
- self.stream.write(data)
-
- def write_line_break(self, data=None):
- if data is None:
- data = self.best_line_break
- self.whitespace = True
- self.indention = True
- self.line += 1
- self.column = 0
- if self.encoding:
- data = data.encode(self.encoding)
- self.stream.write(data)
-
- def write_version_directive(self, version_text):
- data = u'%%YAML %s' % version_text
- if self.encoding:
- data = data.encode(self.encoding)
- self.stream.write(data)
- self.write_line_break()
-
- def write_tag_directive(self, handle_text, prefix_text):
- data = u'%%TAG %s %s' % (handle_text, prefix_text)
- if self.encoding:
- data = data.encode(self.encoding)
- self.stream.write(data)
- self.write_line_break()
-
- # Scalar streams.
-
- def write_single_quoted(self, text, split=True):
- self.write_indicator(u'\'', True)
- spaces = False
- breaks = False
- start = end = 0
- while end <= len(text):
- ch = None
- if end < len(text):
- ch = text[end]
- if spaces:
- if ch is None or ch != u' ':
- if start+1 == end and self.column > self.best_width and split \
- and start != 0 and end != len(text):
- self.write_indent()
- else:
- data = text[start:end]
- self.column += len(data)
- if self.encoding:
- data = data.encode(self.encoding)
- self.stream.write(data)
- start = end
- elif breaks:
- if ch is None or ch not in u'\n\x85\u2028\u2029':
- if text[start] == u'\n':
- self.write_line_break()
- for br in text[start:end]:
- if br == u'\n':
- self.write_line_break()
- else:
- self.write_line_break(br)
- self.write_indent()
- start = end
- else:
- if ch is None or ch in u' \n\x85\u2028\u2029' or ch == u'\'':
- if start < end:
- data = text[start:end]
- self.column += len(data)
- if self.encoding:
- data = data.encode(self.encoding)
- self.stream.write(data)
- start = end
- if ch == u'\'':
- data = u'\'\''
- self.column += 2
- if self.encoding:
- data = data.encode(self.encoding)
- self.stream.write(data)
- start = end + 1
- if ch is not None:
- spaces = (ch == u' ')
- breaks = (ch in u'\n\x85\u2028\u2029')
- end += 1
- self.write_indicator(u'\'', False)
-
- ESCAPE_REPLACEMENTS = {
- u'\0': u'0',
- u'\x07': u'a',
- u'\x08': u'b',
- u'\x09': u't',
- u'\x0A': u'n',
- u'\x0B': u'v',
- u'\x0C': u'f',
- u'\x0D': u'r',
- u'\x1B': u'e',
- u'\"': u'\"',
- u'\\': u'\\',
- u'\x85': u'N',
- u'\xA0': u'_',
- u'\u2028': u'L',
- u'\u2029': u'P',
- }
-
- def write_double_quoted(self, text, split=True):
- self.write_indicator(u'"', True)
- start = end = 0
- while end <= len(text):
- ch = None
- if end < len(text):
- ch = text[end]
- if ch is None or ch in u'"\\\x85\u2028\u2029\uFEFF' \
- or not (u'\x20' <= ch <= u'\x7E'
- or (self.allow_unicode
- and (u'\xA0' <= ch <= u'\uD7FF'
- or u'\uE000' <= ch <= u'\uFFFD'))):
- if start < end:
- data = text[start:end]
- self.column += len(data)
- if self.encoding:
- data = data.encode(self.encoding)
- self.stream.write(data)
- start = end
- if ch is not None:
- if ch in self.ESCAPE_REPLACEMENTS:
- data = u'\\'+self.ESCAPE_REPLACEMENTS[ch]
- elif ch <= u'\xFF':
- data = u'\\x%02X' % ord(ch)
- elif ch <= u'\uFFFF':
- data = u'\\u%04X' % ord(ch)
- else:
- data = u'\\U%08X' % ord(ch)
- self.column += len(data)
- if self.encoding:
- data = data.encode(self.encoding)
- self.stream.write(data)
- start = end+1
- if 0 < end < len(text)-1 and (ch == u' ' or start >= end) \
- and self.column+(end-start) > self.best_width and split:
- data = text[start:end]+u'\\'
- if start < end:
- start = end
- self.column += len(data)
- if self.encoding:
- data = data.encode(self.encoding)
- self.stream.write(data)
- self.write_indent()
- self.whitespace = False
- self.indention = False
- if text[start] == u' ':
- data = u'\\'
- self.column += len(data)
- if self.encoding:
- data = data.encode(self.encoding)
- self.stream.write(data)
- end += 1
- self.write_indicator(u'"', False)
-
- def determine_chomp(self, text):
- tail = text[-2:]
- while len(tail) < 2:
- tail = u' '+tail
- if tail[-1] in u'\n\x85\u2028\u2029':
- if tail[-2] in u'\n\x85\u2028\u2029':
- return u'+'
- else:
- return u''
- else:
- return u'-'
-
- def write_folded(self, text):
- chomp = self.determine_chomp(text)
- self.write_indicator(u'>'+chomp, True)
- self.write_indent()
- leading_space = False
- spaces = False
- breaks = False
- start = end = 0
- while end <= len(text):
- ch = None
- if end < len(text):
- ch = text[end]
- if breaks:
- if ch is None or ch not in u'\n\x85\u2028\u2029':
- if not leading_space and ch is not None and ch != u' ' \
- and text[start] == u'\n':
- self.write_line_break()
- leading_space = (ch == u' ')
- for br in text[start:end]:
- if br == u'\n':
- self.write_line_break()
- else:
- self.write_line_break(br)
- if ch is not None:
- self.write_indent()
- start = end
- elif spaces:
- if ch != u' ':
- if start+1 == end and self.column > self.best_width:
- self.write_indent()
- else:
- data = text[start:end]
- self.column += len(data)
- if self.encoding:
- data = data.encode(self.encoding)
- self.stream.write(data)
- start = end
- else:
- if ch is None or ch in u' \n\x85\u2028\u2029':
- data = text[start:end]
- if self.encoding:
- data = data.encode(self.encoding)
- self.stream.write(data)
- if ch is None:
- self.write_line_break()
- start = end
- if ch is not None:
- breaks = (ch in u'\n\x85\u2028\u2029')
- spaces = (ch == u' ')
- end += 1
-
- def write_literal(self, text):
- chomp = self.determine_chomp(text)
- self.write_indicator(u'|'+chomp, True)
- self.write_indent()
- breaks = False
- start = end = 0
- while end <= len(text):
- ch = None
- if end < len(text):
- ch = text[end]
- if breaks:
- if ch is None or ch not in u'\n\x85\u2028\u2029':
- for br in text[start:end]:
- if br == u'\n':
- self.write_line_break()
- else:
- self.write_line_break(br)
- if ch is not None:
- self.write_indent()
- start = end
- else:
- if ch is None or ch in u'\n\x85\u2028\u2029':
- data = text[start:end]
- if self.encoding:
- data = data.encode(self.encoding)
- self.stream.write(data)
- if ch is None:
- self.write_line_break()
- start = end
- if ch is not None:
- breaks = (ch in u'\n\x85\u2028\u2029')
- end += 1
-
- def write_plain(self, text, split=True):
- if not text:
- return
- if not self.whitespace:
- data = u' '
- self.column += len(data)
- if self.encoding:
- data = data.encode(self.encoding)
- self.stream.write(data)
- self.writespace = False
- self.indention = False
- spaces = False
- breaks = False
- start = end = 0
- while end <= len(text):
- ch = None
- if end < len(text):
- ch = text[end]
- if spaces:
- if ch != u' ':
- if start+1 == end and self.column > self.best_width and split:
- self.write_indent()
- self.writespace = False
- self.indention = False
- else:
- data = text[start:end]
- self.column += len(data)
- if self.encoding:
- data = data.encode(self.encoding)
- self.stream.write(data)
- start = end
- elif breaks:
- if ch not in u'\n\x85\u2028\u2029':
- if text[start] == u'\n':
- self.write_line_break()
- for br in text[start:end]:
- if br == u'\n':
- self.write_line_break()
- else:
- self.write_line_break(br)
- self.write_indent()
- self.whitespace = False
- self.indention = False
- start = end
- else:
- if ch is None or ch in u' \n\x85\u2028\u2029':
- data = text[start:end]
- self.column += len(data)
- if self.encoding:
- data = data.encode(self.encoding)
- self.stream.write(data)
- start = end
- if ch is not None:
- spaces = (ch == u' ')
- breaks = (ch in u'\n\x85\u2028\u2029')
- end += 1
-
diff --git a/external_libs/python/PyYAML-3.01/lib/yaml/error.py b/external_libs/python/PyYAML-3.01/lib/yaml/error.py
deleted file mode 100644
index 8fa916b2..00000000
--- a/external_libs/python/PyYAML-3.01/lib/yaml/error.py
+++ /dev/null
@@ -1,75 +0,0 @@
-
-__all__ = ['Mark', 'YAMLError', 'MarkedYAMLError']
-
-class Mark:
-
- def __init__(self, name, index, line, column, buffer, pointer):
- self.name = name
- self.index = index
- self.line = line
- self.column = column
- self.buffer = buffer
- self.pointer = pointer
-
- def get_snippet(self, indent=4, max_length=75):
- if self.buffer is None:
- return None
- head = ''
- start = self.pointer
- while start > 0 and self.buffer[start-1] not in u'\0\r\n\x85\u2028\u2029':
- start -= 1
- if self.pointer-start > max_length/2-1:
- head = ' ... '
- start += 5
- break
- tail = ''
- end = self.pointer
- while end < len(self.buffer) and self.buffer[end] not in u'\0\r\n\x85\u2028\u2029':
- end += 1
- if end-self.pointer > max_length/2-1:
- tail = ' ... '
- end -= 5
- break
- snippet = self.buffer[start:end].encode('utf-8')
- return ' '*indent + head + snippet + tail + '\n' \
- + ' '*(indent+self.pointer-start+len(head)) + '^'
-
- def __str__(self):
- snippet = self.get_snippet()
- where = " in \"%s\", line %d, column %d" \
- % (self.name, self.line+1, self.column+1)
- if snippet is not None:
- where += ":\n"+snippet
- return where
-
-class YAMLError(Exception):
- pass
-
-class MarkedYAMLError(YAMLError):
-
- def __init__(self, context=None, context_mark=None,
- problem=None, problem_mark=None, note=None):
- self.context = context
- self.context_mark = context_mark
- self.problem = problem
- self.problem_mark = problem_mark
- self.note = note
-
- def __str__(self):
- lines = []
- if self.context is not None:
- lines.append(self.context)
- if self.context_mark is not None \
- and (self.problem is None or self.problem_mark is None
- or self.context_mark.name != self.problem_mark.name
- or self.context_mark.line != self.problem_mark.line
- or self.context_mark.column != self.problem_mark.column):
- lines.append(str(self.context_mark))
- if self.problem is not None:
- lines.append(self.problem)
- if self.problem_mark is not None:
- lines.append(str(self.problem_mark))
- if self.note is not None:
- lines.append(self.note)
- return '\n'.join(lines)
-
diff --git a/external_libs/python/PyYAML-3.01/lib/yaml/events.py b/external_libs/python/PyYAML-3.01/lib/yaml/events.py
deleted file mode 100644
index 3f244fa0..00000000
--- a/external_libs/python/PyYAML-3.01/lib/yaml/events.py
+++ /dev/null
@@ -1,86 +0,0 @@
-
-# Abstract classes.
-
-class Event:
- def __init__(self, start_mark=None, end_mark=None):
- self.start_mark = start_mark
- self.end_mark = end_mark
- def __repr__(self):
- attributes = [key for key in ['anchor', 'tag', 'implicit', 'value']
- if hasattr(self, key)]
- arguments = ', '.join(['%s=%r' % (key, getattr(self, key))
- for key in attributes])
- return '%s(%s)' % (self.__class__.__name__, arguments)
-
-class NodeEvent(Event):
- def __init__(self, anchor, start_mark=None, end_mark=None):
- self.anchor = anchor
- self.start_mark = start_mark
- self.end_mark = end_mark
-
-class CollectionStartEvent(NodeEvent):
- def __init__(self, anchor, tag, implicit, start_mark=None, end_mark=None,
- flow_style=None):
- self.anchor = anchor
- self.tag = tag
- self.implicit = implicit
- self.start_mark = start_mark
- self.end_mark = end_mark
- self.flow_style = flow_style
-
-class CollectionEndEvent(Event):
- pass
-
-# Implementations.
-
-class StreamStartEvent(Event):
- def __init__(self, start_mark=None, end_mark=None, encoding=None):
- self.start_mark = start_mark
- self.end_mark = end_mark
- self.encoding = encoding
-
-class StreamEndEvent(Event):
- pass
-
-class DocumentStartEvent(Event):
- def __init__(self, start_mark=None, end_mark=None,
- explicit=None, version=None, tags=None):
- self.start_mark = start_mark
- self.end_mark = end_mark
- self.explicit = explicit
- self.version = version
- self.tags = tags
-
-class DocumentEndEvent(Event):
- def __init__(self, start_mark=None, end_mark=None,
- explicit=None):
- self.start_mark = start_mark
- self.end_mark = end_mark
- self.explicit = explicit
-
-class AliasEvent(NodeEvent):
- pass
-
-class ScalarEvent(NodeEvent):
- def __init__(self, anchor, tag, implicit, value,
- start_mark=None, end_mark=None, style=None):
- self.anchor = anchor
- self.tag = tag
- self.implicit = implicit
- self.value = value
- self.start_mark = start_mark
- self.end_mark = end_mark
- self.style = style
-
-class SequenceStartEvent(CollectionStartEvent):
- pass
-
-class SequenceEndEvent(CollectionEndEvent):
- pass
-
-class MappingStartEvent(CollectionStartEvent):
- pass
-
-class MappingEndEvent(CollectionEndEvent):
- pass
-
diff --git a/external_libs/python/PyYAML-3.01/lib/yaml/loader.py b/external_libs/python/PyYAML-3.01/lib/yaml/loader.py
deleted file mode 100644
index 293ff467..00000000
--- a/external_libs/python/PyYAML-3.01/lib/yaml/loader.py
+++ /dev/null
@@ -1,40 +0,0 @@
-
-__all__ = ['BaseLoader', 'SafeLoader', 'Loader']
-
-from reader import *
-from scanner import *
-from parser import *
-from composer import *
-from constructor import *
-from resolver import *
-
-class BaseLoader(Reader, Scanner, Parser, Composer, BaseConstructor, BaseResolver):
-
- def __init__(self, stream):
- Reader.__init__(self, stream)
- Scanner.__init__(self)
- Parser.__init__(self)
- Composer.__init__(self)
- BaseConstructor.__init__(self)
- BaseResolver.__init__(self)
-
-class SafeLoader(Reader, Scanner, Parser, Composer, SafeConstructor, Resolver):
-
- def __init__(self, stream):
- Reader.__init__(self, stream)
- Scanner.__init__(self)
- Parser.__init__(self)
- Composer.__init__(self)
- SafeConstructor.__init__(self)
- Resolver.__init__(self)
-
-class Loader(Reader, Scanner, Parser, Composer, Constructor, Resolver):
-
- def __init__(self, stream):
- Reader.__init__(self, stream)
- Scanner.__init__(self)
- Parser.__init__(self)
- Composer.__init__(self)
- Constructor.__init__(self)
- Resolver.__init__(self)
-
diff --git a/external_libs/python/PyYAML-3.01/lib/yaml/nodes.py b/external_libs/python/PyYAML-3.01/lib/yaml/nodes.py
deleted file mode 100644
index cb8c1cba..00000000
--- a/external_libs/python/PyYAML-3.01/lib/yaml/nodes.py
+++ /dev/null
@@ -1,49 +0,0 @@
-
-class Node:
- def __init__(self, tag, value, start_mark, end_mark):
- self.tag = tag
- self.value = value
- self.start_mark = start_mark
- self.end_mark = end_mark
- def __repr__(self):
- value = self.value
- #if isinstance(value, list):
- # if len(value) == 0:
- # value = '<empty>'
- # elif len(value) == 1:
- # value = '<1 item>'
- # else:
- # value = '<%d items>' % len(value)
- #else:
- # if len(value) > 75:
- # value = repr(value[:70]+u' ... ')
- # else:
- # value = repr(value)
- value = repr(value)
- return '%s(tag=%r, value=%s)' % (self.__class__.__name__, self.tag, value)
-
-class ScalarNode(Node):
- id = 'scalar'
- def __init__(self, tag, value,
- start_mark=None, end_mark=None, style=None):
- self.tag = tag
- self.value = value
- self.start_mark = start_mark
- self.end_mark = end_mark
- self.style = style
-
-class CollectionNode(Node):
- def __init__(self, tag, value,
- start_mark=None, end_mark=None, flow_style=None):
- self.tag = tag
- self.value = value
- self.start_mark = start_mark
- self.end_mark = end_mark
- self.flow_style = flow_style
-
-class SequenceNode(CollectionNode):
- id = 'sequence'
-
-class MappingNode(CollectionNode):
- id = 'mapping'
-
diff --git a/external_libs/python/PyYAML-3.01/lib/yaml/parser.py b/external_libs/python/PyYAML-3.01/lib/yaml/parser.py
deleted file mode 100644
index 2aec0fe3..00000000
--- a/external_libs/python/PyYAML-3.01/lib/yaml/parser.py
+++ /dev/null
@@ -1,484 +0,0 @@
-
-# YAML can be parsed by an LL(1) parser!
-#
-# We use the following production rules:
-# stream ::= STREAM-START implicit_document? explicit_document* STREAM-END
-# explicit_document ::= DIRECTIVE* DOCUMENT-START block_node? DOCUMENT-END?
-# implicit_document ::= block_node DOCUMENT-END?
-# block_node ::= ALIAS | properties? block_content
-# flow_node ::= ALIAS | properties? flow_content
-# properties ::= TAG ANCHOR? | ANCHOR TAG?
-# block_content ::= block_collection | flow_collection | SCALAR
-# flow_content ::= flow_collection | SCALAR
-# block_collection ::= block_sequence | block_mapping
-# block_sequence ::= BLOCK-SEQUENCE-START (BLOCK-ENTRY block_node?)* BLOCK-END
-# block_mapping ::= BLOCK-MAPPING_START ((KEY block_node_or_indentless_sequence?)? (VALUE block_node_or_indentless_sequence?)?)* BLOCK-END
-# block_node_or_indentless_sequence ::= ALIAS | properties? (block_content | indentless_block_sequence)
-# indentless_block_sequence ::= (BLOCK-ENTRY block_node?)+
-# flow_collection ::= flow_sequence | flow_mapping
-# flow_sequence ::= FLOW-SEQUENCE-START (flow_sequence_entry FLOW-ENTRY)* flow_sequence_entry? FLOW-SEQUENCE-END
-# flow_mapping ::= FLOW-MAPPING-START (flow_mapping_entry FLOW-ENTRY)* flow_mapping_entry? FLOW-MAPPING-END
-# flow_sequence_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)?
-# flow_mapping_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)?
-
-# TODO: support for BOM within a stream.
-# stream ::= (BOM? implicit_document)? (BOM? explicit_document)* STREAM-END
-
-# FIRST sets:
-# stream: { STREAM-START }
-# explicit_document: { DIRECTIVE DOCUMENT-START }
-# implicit_document: FIRST(block_node)
-# block_node: { ALIAS TAG ANCHOR SCALAR BLOCK-SEQUENCE-START BLOCK-MAPPING-START FLOW-SEQUENCE-START FLOW-MAPPING-START }
-# flow_node: { ALIAS ANCHOR TAG SCALAR FLOW-SEQUENCE-START FLOW-MAPPING-START }
-# block_content: { BLOCK-SEQUENCE-START BLOCK-MAPPING-START FLOW-SEQUENCE-START FLOW-MAPPING-START SCALAR }
-# flow_content: { FLOW-SEQUENCE-START FLOW-MAPPING-START SCALAR }
-# block_collection: { BLOCK-SEQUENCE-START BLOCK-MAPPING-START }
-# flow_collection: { FLOW-SEQUENCE-START FLOW-MAPPING-START }
-# block_sequence: { BLOCK-SEQUENCE-START }
-# block_mapping: { BLOCK-MAPPING-START }
-# block_node_or_indentless_sequence: { ALIAS ANCHOR TAG SCALAR BLOCK-SEQUENCE-START BLOCK-MAPPING-START FLOW-SEQUENCE-START FLOW-MAPPING-START BLOCK-ENTRY }
-# indentless_sequence: { ENTRY }
-# flow_collection: { FLOW-SEQUENCE-START FLOW-MAPPING-START }
-# flow_sequence: { FLOW-SEQUENCE-START }
-# flow_mapping: { FLOW-MAPPING-START }
-# flow_sequence_entry: { ALIAS ANCHOR TAG SCALAR FLOW-SEQUENCE-START FLOW-MAPPING-START KEY }
-# flow_mapping_entry: { ALIAS ANCHOR TAG SCALAR FLOW-SEQUENCE-START FLOW-MAPPING-START KEY }
-
-__all__ = ['Parser', 'ParserError']
-
-from error import MarkedYAMLError
-from tokens import *
-from events import *
-from scanner import *
-
-class ParserError(MarkedYAMLError):
- pass
-
-class Parser:
- # Since writing a recursive-descendant parser is a straightforward task, we
- # do not give many comments here.
- # Note that we use Python generators. If you rewrite the parser in another
- # language, you may replace all 'yield'-s with event handler calls.
-
- DEFAULT_TAGS = {
- u'!': u'!',
- u'!!': u'tag:yaml.org,2002:',
- }
-
- def __init__(self):
- self.current_event = None
- self.yaml_version = None
- self.tag_handles = {}
- self.event_generator = self.parse_stream()
-
- def check_event(self, *choices):
- # Check the type of the next event.
- if self.current_event is None:
- try:
- self.current_event = self.event_generator.next()
- except StopIteration:
- pass
- if self.current_event is not None:
- if not choices:
- return True
- for choice in choices:
- if isinstance(self.current_event, choice):
- return True
- return False
-
- def peek_event(self):
- # Get the next event.
- if self.current_event is None:
- try:
- self.current_event = self.event_generator.next()
- except StopIteration:
- pass
- return self.current_event
-
- def get_event(self):
- # Get the next event.
- if self.current_event is None:
- try:
- self.current_event = self.event_generator.next()
- except StopIteration:
- pass
- value = self.current_event
- self.current_event = None
- return value
-
- def __iter__(self):
- # Iterator protocol.
- return self.event_generator
-
- def parse_stream(self):
- # STREAM-START implicit_document? explicit_document* STREAM-END
-
- # Parse start of stream.
- token = self.get_token()
- yield StreamStartEvent(token.start_mark, token.end_mark,
- encoding=token.encoding)
-
- # Parse implicit document.
- if not self.check_token(DirectiveToken, DocumentStartToken,
- StreamEndToken):
- self.tag_handles = self.DEFAULT_TAGS
- token = self.peek_token()
- start_mark = end_mark = token.start_mark
- yield DocumentStartEvent(start_mark, end_mark,
- explicit=False)
- for event in self.parse_block_node():
- yield event
- token = self.peek_token()
- start_mark = end_mark = token.start_mark
- explicit = False
- while self.check_token(DocumentEndToken):
- token = self.get_token()
- end_mark = token.end_mark
- explicit = True
- yield DocumentEndEvent(start_mark, end_mark,
- explicit=explicit)
-
- # Parse explicit documents.
- while not self.check_token(StreamEndToken):
- token = self.peek_token()
- start_mark = token.start_mark
- version, tags = self.process_directives()
- if not self.check_token(DocumentStartToken):
- raise ParserError(None, None,
- "expected '<document start>', but found %r"
- % self.peek_token().id,
- self.peek_token().start_mark)
- token = self.get_token()
- end_mark = token.end_mark
- yield DocumentStartEvent(start_mark, end_mark,
- explicit=True, version=version, tags=tags)
- if self.check_token(DirectiveToken,
- DocumentStartToken, DocumentEndToken, StreamEndToken):
- yield self.process_empty_scalar(token.end_mark)
- else:
- for event in self.parse_block_node():
- yield event
- token = self.peek_token()
- start_mark = end_mark = token.start_mark
- explicit = False
- while self.check_token(DocumentEndToken):
- token = self.get_token()
- end_mark = token.end_mark
- explicit=True
- yield DocumentEndEvent(start_mark, end_mark,
- explicit=explicit)
-
- # Parse end of stream.
- token = self.get_token()
- yield StreamEndEvent(token.start_mark, token.end_mark)
-
- def process_directives(self):
- # DIRECTIVE*
- self.yaml_version = None
- self.tag_handles = {}
- while self.check_token(DirectiveToken):
- token = self.get_token()
- if token.name == u'YAML':
- if self.yaml_version is not None:
- raise ParserError(None, None,
- "found duplicate YAML directive", token.start_mark)
- major, minor = token.value
- if major != 1:
- raise ParserError(None, None,
- "found incompatible YAML document (version 1.* is required)",
- token.start_mark)
- self.yaml_version = token.value
- elif token.name == u'TAG':
- handle, prefix = token.value
- if handle in self.tag_handles:
- raise ParserError(None, None,
- "duplicate tag handle %r" % handle.encode('utf-8'),
- token.start_mark)
- self.tag_handles[handle] = prefix
- if self.tag_handles:
- value = self.yaml_version, self.tag_handles.copy()
- else:
- value = self.yaml_version, None
- for key in self.DEFAULT_TAGS:
- if key not in self.tag_handles:
- self.tag_handles[key] = self.DEFAULT_TAGS[key]
- return value
-
- def parse_block_node(self):
- return self.parse_node(block=True)
-
- def parse_flow_node(self):
- return self.parse_node()
-
- def parse_block_node_or_indentless_sequence(self):
- return self.parse_node(block=True, indentless_sequence=True)
-
- def parse_node(self, block=False, indentless_sequence=False):
- # block_node ::= ALIAS | properties? block_content
- # flow_node ::= ALIAS | properties? flow_content
- # properties ::= TAG ANCHOR? | ANCHOR TAG?
- # block_content ::= block_collection | flow_collection | SCALAR
- # flow_content ::= flow_collection | SCALAR
- # block_collection ::= block_sequence | block_mapping
- # block_node_or_indentless_sequence ::= ALIAS | properties?
- # (block_content | indentless_block_sequence)
- if self.check_token(AliasToken):
- token = self.get_token()
- yield AliasEvent(token.value, token.start_mark, token.end_mark)
- else:
- anchor = None
- tag = None
- start_mark = end_mark = tag_mark = None
- if self.check_token(AnchorToken):
- token = self.get_token()
- start_mark = token.start_mark
- end_mark = token.end_mark
- anchor = token.value
- if self.check_token(TagToken):
- token = self.get_token()
- tag_mark = token.start_mark
- end_mark = token.end_mark
- tag = token.value
- elif self.check_token(TagToken):
- token = self.get_token()
- start_mark = tag_mark = token.start_mark
- end_mark = token.end_mark
- tag = token.value
- if self.check_token(AnchorToken):
- token = self.get_token()
- end_mark = token.end_mark
- anchor = token.value
- if tag is not None and tag != u'!':
- handle, suffix = tag
- if handle is not None:
- if handle not in self.tag_handles:
- raise ParserError("while parsing a node", start_mark,
- "found undefined tag handle %r" % handle.encode('utf-8'),
- tag_mark)
- tag = self.tag_handles[handle]+suffix
- else:
- tag = suffix
- #if tag == u'!':
- # raise ParserError("while parsing a node", start_mark,
- # "found non-specific tag '!'", tag_mark,
- # "Please check 'http://pyyaml.org/wiki/YAMLNonSpecificTag' and share your opinion.")
- if start_mark is None:
- start_mark = end_mark = self.peek_token().start_mark
- event = None
- collection_events = None
- implicit = (tag is None or tag == u'!')
- if indentless_sequence and self.check_token(BlockEntryToken):
- end_mark = self.peek_token().end_mark
- event = SequenceStartEvent(anchor, tag, implicit,
- start_mark, end_mark)
- collection_events = self.parse_indentless_sequence()
- else:
- if self.check_token(ScalarToken):
- token = self.get_token()
- end_mark = token.end_mark
- if (token.plain and tag is None) or tag == u'!':
- implicit = (True, False)
- elif tag is None:
- implicit = (False, True)
- else:
- implicit = (False, False)
- event = ScalarEvent(anchor, tag, implicit, token.value,
- start_mark, end_mark, style=token.style)
- elif self.check_token(FlowSequenceStartToken):
- end_mark = self.peek_token().end_mark
- event = SequenceStartEvent(anchor, tag, implicit,
- start_mark, end_mark, flow_style=True)
- collection_events = self.parse_flow_sequence()
- elif self.check_token(FlowMappingStartToken):
- end_mark = self.peek_token().end_mark
- event = MappingStartEvent(anchor, tag, implicit,
- start_mark, end_mark, flow_style=True)
- collection_events = self.parse_flow_mapping()
- elif block and self.check_token(BlockSequenceStartToken):
- end_mark = self.peek_token().start_mark
- event = SequenceStartEvent(anchor, tag, implicit,
- start_mark, end_mark, flow_style=False)
- collection_events = self.parse_block_sequence()
- elif block and self.check_token(BlockMappingStartToken):
- end_mark = self.peek_token().start_mark
- event = MappingStartEvent(anchor, tag, implicit,
- start_mark, end_mark, flow_style=False)
- collection_events = self.parse_block_mapping()
- elif anchor is not None or tag is not None:
- # Empty scalars are allowed even if a tag or an anchor is
- # specified.
- event = ScalarEvent(anchor, tag, (implicit, False), u'',
- start_mark, end_mark)
- else:
- if block:
- node = 'block'
- else:
- node = 'flow'
- token = self.peek_token()
- raise ParserError("while scanning a %s node" % node, start_mark,
- "expected the node content, but found %r" % token.id,
- token.start_mark)
- yield event
- if collection_events is not None:
- for event in collection_events:
- yield event
-
- def parse_block_sequence(self):
- # BLOCK-SEQUENCE-START (BLOCK-ENTRY block_node?)* BLOCK-END
- token = self.get_token()
- start_mark = token.start_mark
- while self.check_token(BlockEntryToken):
- token = self.get_token()
- if not self.check_token(BlockEntryToken, BlockEndToken):
- for event in self.parse_block_node():
- yield event
- else:
- yield self.process_empty_scalar(token.end_mark)
- if not self.check_token(BlockEndToken):
- token = self.peek_token()
- raise ParserError("while scanning a block collection", start_mark,
- "expected <block end>, but found %r" % token.id, token.start_mark)
- token = self.get_token()
- yield SequenceEndEvent(token.start_mark, token.end_mark)
-
- def parse_indentless_sequence(self):
- # (BLOCK-ENTRY block_node?)+
- while self.check_token(BlockEntryToken):
- token = self.get_token()
- if not self.check_token(BlockEntryToken,
- KeyToken, ValueToken, BlockEndToken):
- for event in self.parse_block_node():
- yield event
- else:
- yield self.process_empty_scalar(token.end_mark)
- token = self.peek_token()
- yield SequenceEndEvent(token.start_mark, token.start_mark)
-
- def parse_block_mapping(self):
- # BLOCK-MAPPING_START
- # ((KEY block_node_or_indentless_sequence?)?
- # (VALUE block_node_or_indentless_sequence?)?)*
- # BLOCK-END
- token = self.get_token()
- start_mark = token.start_mark
- while self.check_token(KeyToken, ValueToken):
- if self.check_token(KeyToken):
- token = self.get_token()
- if not self.check_token(KeyToken, ValueToken, BlockEndToken):
- for event in self.parse_block_node_or_indentless_sequence():
- yield event
- else:
- yield self.process_empty_scalar(token.end_mark)
- if self.check_token(ValueToken):
- token = self.get_token()
- if not self.check_token(KeyToken, ValueToken, BlockEndToken):
- for event in self.parse_block_node_or_indentless_sequence():
- yield event
- else:
- yield self.process_empty_scalar(token.end_mark)
- else:
- token = self.peek_token()
- yield self.process_empty_scalar(token.start_mark)
- if not self.check_token(BlockEndToken):
- token = self.peek_token()
- raise ParserError("while scanning a block mapping", start_mark,
- "expected <block end>, but found %r" % token.id, token.start_mark)
- token = self.get_token()
- yield MappingEndEvent(token.start_mark, token.end_mark)
-
- def parse_flow_sequence(self):
- # flow_sequence ::= FLOW-SEQUENCE-START
- # (flow_sequence_entry FLOW-ENTRY)*
- # flow_sequence_entry?
- # FLOW-SEQUENCE-END
- # flow_sequence_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)?
- #
- # Note that while production rules for both flow_sequence_entry and
- # flow_mapping_entry are equal, their interpretations are different.
- # For `flow_sequence_entry`, the part `KEY flow_node? (VALUE flow_node?)?`
- # generate an inline mapping (set syntax).
- token = self.get_token()
- start_mark = token.start_mark
- while not self.check_token(FlowSequenceEndToken):
- if self.check_token(KeyToken):
- token = self.get_token()
- yield MappingStartEvent(None, None, True,
- token.start_mark, token.end_mark,
- flow_style=True)
- if not self.check_token(ValueToken,
- FlowEntryToken, FlowSequenceEndToken):
- for event in self.parse_flow_node():
- yield event
- else:
- yield self.process_empty_scalar(token.end_mark)
- if self.check_token(ValueToken):
- token = self.get_token()
- if not self.check_token(FlowEntryToken, FlowSequenceEndToken):
- for event in self.parse_flow_node():
- yield event
- else:
- yield self.process_empty_scalar(token.end_mark)
- else:
- token = self.peek_token()
- yield self.process_empty_scalar(token.start_mark)
- token = self.peek_token()
- yield MappingEndEvent(token.start_mark, token.start_mark)
- else:
- for event in self.parse_flow_node():
- yield event
- if not self.check_token(FlowEntryToken, FlowSequenceEndToken):
- token = self.peek_token()
- raise ParserError("while scanning a flow sequence", start_mark,
- "expected ',' or ']', but got %r" % token.id, token.start_mark)
- if self.check_token(FlowEntryToken):
- self.get_token()
- token = self.get_token()
- yield SequenceEndEvent(token.start_mark, token.end_mark)
-
- def parse_flow_mapping(self):
- # flow_mapping ::= FLOW-MAPPING-START
- # (flow_mapping_entry FLOW-ENTRY)*
- # flow_mapping_entry?
- # FLOW-MAPPING-END
- # flow_mapping_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)?
- token = self.get_token()
- start_mark = token.start_mark
- while not self.check_token(FlowMappingEndToken):
- if self.check_token(KeyToken):
- token = self.get_token()
- if not self.check_token(ValueToken,
- FlowEntryToken, FlowMappingEndToken):
- for event in self.parse_flow_node():
- yield event
- else:
- yield self.process_empty_scalar(token.end_mark)
- if self.check_token(ValueToken):
- token = self.get_token()
- if not self.check_token(FlowEntryToken, FlowMappingEndToken):
- for event in self.parse_flow_node():
- yield event
- else:
- yield self.process_empty_scalar(token.end_mark)
- else:
- token = self.peek_token()
- yield self.process_empty_scalar(token.start_mark)
- else:
- for event in self.parse_flow_node():
- yield event
- yield self.process_empty_scalar(self.peek_token().start_mark)
- if not self.check_token(FlowEntryToken, FlowMappingEndToken):
- token = self.peek_token()
- raise ParserError("while scanning a flow mapping", start_mark,
- "expected ',' or '}', but got %r" % token.id, token.start_mark)
- if self.check_token(FlowEntryToken):
- self.get_token()
- if not self.check_token(FlowMappingEndToken):
- token = self.peek_token()
- raise ParserError("while scanning a flow mapping", start_mark,
- "expected '}', but found %r" % token.id, token.start_mark)
- token = self.get_token()
- yield MappingEndEvent(token.start_mark, token.end_mark)
-
- def process_empty_scalar(self, mark):
- return ScalarEvent(None, None, (True, False), u'', mark, mark)
-
diff --git a/external_libs/python/PyYAML-3.01/lib/yaml/reader.py b/external_libs/python/PyYAML-3.01/lib/yaml/reader.py
deleted file mode 100644
index beb76d0a..00000000
--- a/external_libs/python/PyYAML-3.01/lib/yaml/reader.py
+++ /dev/null
@@ -1,222 +0,0 @@
-# This module contains abstractions for the input stream. You don't have to
-# looks further, there are no pretty code.
-#
-# We define two classes here.
-#
-# Mark(source, line, column)
-# It's just a record and its only use is producing nice error messages.
-# Parser does not use it for any other purposes.
-#
-# Reader(source, data)
-# Reader determines the encoding of `data` and converts it to unicode.
-# Reader provides the following methods and attributes:
-# reader.peek(length=1) - return the next `length` characters
-# reader.forward(length=1) - move the current position to `length` characters.
-# reader.index - the number of the current character.
-# reader.line, stream.column - the line and the column of the current character.
-
-__all__ = ['Reader', 'ReaderError']
-
-from error import YAMLError, Mark
-
-import codecs, re
-
-# Unfortunately, codec functions in Python 2.3 does not support the `finish`
-# arguments, so we have to write our own wrappers.
-
-try:
- codecs.utf_8_decode('', 'strict', False)
- from codecs import utf_8_decode, utf_16_le_decode, utf_16_be_decode
-
-except TypeError:
-
- def utf_16_le_decode(data, errors, finish=False):
- if not finish and len(data) % 2 == 1:
- data = data[:-1]
- return codecs.utf_16_le_decode(data, errors)
-
- def utf_16_be_decode(data, errors, finish=False):
- if not finish and len(data) % 2 == 1:
- data = data[:-1]
- return codecs.utf_16_be_decode(data, errors)
-
- def utf_8_decode(data, errors, finish=False):
- if not finish:
- # We are trying to remove a possible incomplete multibyte character
- # from the suffix of the data.
- # The first byte of a multi-byte sequence is in the range 0xc0 to 0xfd.
- # All further bytes are in the range 0x80 to 0xbf.
- # UTF-8 encoded UCS characters may be up to six bytes long.
- count = 0
- while count < 5 and count < len(data) \
- and '\x80' <= data[-count-1] <= '\xBF':
- count -= 1
- if count < 5 and count < len(data) \
- and '\xC0' <= data[-count-1] <= '\xFD':
- data = data[:-count-1]
- return codecs.utf_8_decode(data, errors)
-
-class ReaderError(YAMLError):
-
- def __init__(self, name, position, character, encoding, reason):
- self.name = name
- self.character = character
- self.position = position
- self.encoding = encoding
- self.reason = reason
-
- def __str__(self):
- if isinstance(self.character, str):
- return "'%s' codec can't decode byte #x%02x: %s\n" \
- " in \"%s\", position %d" \
- % (self.encoding, ord(self.character), self.reason,
- self.name, self.position)
- else:
- return "unacceptable character #x%04x: %s\n" \
- " in \"%s\", position %d" \
- % (ord(self.character), self.reason,
- self.name, self.position)
-
-class Reader:
- # Reader:
- # - determines the data encoding and converts it to unicode,
- # - checks if characters are in allowed range,
- # - adds '\0' to the end.
-
- # Reader accepts
- # - a `str` object,
- # - a `unicode` object,
- # - a file-like object with its `read` method returning `str`,
- # - a file-like object with its `read` method returning `unicode`.
-
- # Yeah, it's ugly and slow.
-
- def __init__(self, stream):
- self.name = None
- self.stream = None
- self.stream_pointer = 0
- self.eof = True
- self.buffer = u''
- self.pointer = 0
- self.raw_buffer = None
- self.raw_decode = None
- self.encoding = None
- self.index = 0
- self.line = 0
- self.column = 0
- if isinstance(stream, unicode):
- self.name = "<unicode string>"
- self.check_printable(stream)
- self.buffer = stream+u'\0'
- elif isinstance(stream, str):
- self.name = "<string>"
- self.raw_buffer = stream
- self.determine_encoding()
- else:
- self.stream = stream
- self.name = getattr(stream, 'name', "<file>")
- self.eof = False
- self.raw_buffer = ''
- self.determine_encoding()
-
- def peek(self, index=0):
- if self.pointer+index+1 >= len(self.buffer):
- self.update(index+1)
- return self.buffer[self.pointer+index]
-
- def prefix(self, length=1):
- if self.pointer+length >= len(self.buffer):
- self.update(length)
- return self.buffer[self.pointer:self.pointer+length]
-
- def forward(self, length=1):
- if self.pointer+length+1 >= len(self.buffer):
- self.update(length+1)
- for k in range(length):
- ch = self.buffer[self.pointer]
- self.pointer += 1
- self.index += 1
- if ch in u'\n\x85\u2028\u2029' \
- or (ch == u'\r' and self.buffer[self.pointer+1] != u'\n'):
- self.line += 1
- self.column = 0
- elif ch != u'\uFEFF':
- self.column += 1
-
- def get_mark(self):
- if self.stream is None:
- return Mark(self.name, self.index, self.line, self.column,
- self.buffer, self.pointer)
- else:
- return Mark(self.name, self.index, self.line, self.column,
- None, None)
-
- def determine_encoding(self):
- while not self.eof and len(self.raw_buffer) < 2:
- self.update_raw()
- if not isinstance(self.raw_buffer, unicode):
- if self.raw_buffer.startswith(codecs.BOM_UTF16_LE):
- self.raw_decode = utf_16_le_decode
- self.encoding = 'utf-16-le'
- elif self.raw_buffer.startswith(codecs.BOM_UTF16_BE):
- self.raw_decode = utf_16_be_decode
- self.encoding = 'utf-16-be'
- else:
- self.raw_decode = utf_8_decode
- self.encoding = 'utf-8'
- self.update(1)
-
- NON_PRINTABLE = re.compile(u'[^\x09\x0A\x0D\x20-\x7E\x85\xA0-\uD7FF\uE000-\uFFFD]')
- def check_printable(self, data):
- match = self.NON_PRINTABLE.search(data)
- if match:
- character = match.group()
- position = self.index+(len(self.buffer)-self.pointer)+match.start()
- raise ReaderError(self.name, position, character,
- 'unicode', "special characters are not allowed")
-
- def update(self, length):
- if self.raw_buffer is None:
- return
- self.buffer = self.buffer[self.pointer:]
- self.pointer = 0
- while len(self.buffer) < length:
- if not self.eof:
- self.update_raw()
- if self.raw_decode is not None:
- try:
- data, converted = self.raw_decode(self.raw_buffer,
- 'strict', self.eof)
- except UnicodeDecodeError, exc:
- character = exc.object[exc.start]
- if self.stream is not None:
- position = self.stream_pointer-len(self.raw_buffer)+exc.start
- else:
- position = exc.start
- raise ReaderError(self.name, position, character,
- exc.encoding, exc.reason)
- else:
- data = self.raw_buffer
- converted = len(data)
- self.check_printable(data)
- self.buffer += data
- self.raw_buffer = self.raw_buffer[converted:]
- if self.eof:
- self.buffer += u'\0'
- self.raw_buffer = None
- break
-
- def update_raw(self, size=1024):
- data = self.stream.read(size)
- if data:
- self.raw_buffer += data
- self.stream_pointer += len(data)
- else:
- self.eof = True
-
-#try:
-# import psyco
-# psyco.bind(Reader)
-#except ImportError:
-# pass
-
diff --git a/external_libs/python/PyYAML-3.01/lib/yaml/representer.py b/external_libs/python/PyYAML-3.01/lib/yaml/representer.py
deleted file mode 100644
index cb37169d..00000000
--- a/external_libs/python/PyYAML-3.01/lib/yaml/representer.py
+++ /dev/null
@@ -1,501 +0,0 @@
-
-__all__ = ['BaseRepresenter', 'SafeRepresenter', 'Representer',
- 'RepresenterError']
-
-from error import *
-from nodes import *
-
-try:
- import datetime
- datetime_available = True
-except ImportError:
- datetime_available = False
-
-try:
- set
-except NameError:
- from sets import Set as set
-
-import sys, copy_reg
-
-class RepresenterError(YAMLError):
- pass
-
-class BaseRepresenter:
-
- yaml_representers = {}
- yaml_multi_representers = {}
-
- def __init__(self, default_style=None, default_flow_style=None):
- self.default_style = default_style
- self.default_flow_style = default_flow_style
- self.represented_objects = {}
-
- def represent(self, data):
- node = self.represent_data(data)
- self.serialize(node)
- self.represented_objects = {}
-
- class C: pass
- c = C()
- def f(): pass
- classobj_type = type(C)
- instance_type = type(c)
- function_type = type(f)
- builtin_function_type = type(abs)
- module_type = type(sys)
- del C, c, f
-
- def get_classobj_bases(self, cls):
- bases = [cls]
- for base in cls.__bases__:
- bases.extend(self.get_classobj_bases(base))
- return bases
-
- def represent_data(self, data):
- if self.ignore_aliases(data):
- alias_key = None
- else:
- alias_key = id(data)
- if alias_key is not None:
- if alias_key in self.represented_objects:
- node = self.represented_objects[alias_key]
- if node is None:
- raise RepresenterError("recursive objects are not allowed: %r" % data)
- return node
- self.represented_objects[alias_key] = None
- data_types = type(data).__mro__
- if type(data) is self.instance_type:
- data_types = self.get_classobj_bases(data.__class__)+list(data_types)
- if data_types[0] in self.yaml_representers:
- node = self.yaml_representers[data_types[0]](self, data)
- else:
- for data_type in data_types:
- if data_type in self.yaml_multi_representers:
- node = self.yaml_multi_representers[data_type](self, data)
- break
- else:
- if None in self.yaml_multi_representers:
- node = self.yaml_multi_representers[None](self, data)
- elif None in self.yaml_representers:
- node = self.yaml_representers[None](self, data)
- else:
- node = ScalarNode(None, unicode(data))
- if alias_key is not None:
- self.represented_objects[alias_key] = node
- return node
-
- def add_representer(cls, data_type, representer):
- if not 'yaml_representers' in cls.__dict__:
- cls.yaml_representers = cls.yaml_representers.copy()
- cls.yaml_representers[data_type] = representer
- add_representer = classmethod(add_representer)
-
- def add_multi_representer(cls, data_type, representer):
- if not 'yaml_multi_representers' in cls.__dict__:
- cls.yaml_multi_representers = cls.yaml_multi_representers.copy()
- cls.yaml_multi_representers[data_type] = representer
- add_multi_representer = classmethod(add_multi_representer)
-
- def represent_scalar(self, tag, value, style=None):
- if style is None:
- style = self.default_style
- return ScalarNode(tag, value, style=style)
-
- def represent_sequence(self, tag, sequence, flow_style=None):
- best_style = True
- value = []
- for item in sequence:
- node_item = self.represent_data(item)
- if not (isinstance(node_item, ScalarNode) and not node_item.style):
- best_style = False
- value.append(self.represent_data(item))
- if flow_style is None:
- flow_style = self.default_flow_style
- if flow_style is None:
- flow_style = best_style
- return SequenceNode(tag, value, flow_style=flow_style)
-
- def represent_mapping(self, tag, mapping, flow_style=None):
- best_style = True
- if hasattr(mapping, 'keys'):
- value = {}
- for item_key in mapping.keys():
- item_value = mapping[item_key]
- node_key = self.represent_data(item_key)
- node_value = self.represent_data(item_value)
- if not (isinstance(node_key, ScalarNode) and not node_key.style):
- best_style = False
- if not (isinstance(node_value, ScalarNode) and not node_value.style):
- best_style = False
- value[node_key] = node_value
- else:
- value = []
- for item_key, item_value in mapping:
- node_key = self.represent_data(item_key)
- node_value = self.represent_data(item_value)
- if not (isinstance(node_key, ScalarNode) and not node_key.style):
- best_style = False
- if not (isinstance(node_value, ScalarNode) and not node_value.style):
- best_style = False
- value.append((node_key, node_value))
- if flow_style is None:
- flow_style = self.default_flow_style
- if flow_style is None:
- flow_style = best_style
- return MappingNode(tag, value, flow_style=flow_style)
-
- def ignore_aliases(self, data):
- return False
-
-class SafeRepresenter(BaseRepresenter):
-
- def ignore_aliases(self, data):
- if data in [None, ()]:
- return True
- if isinstance(data, (str, unicode, bool, int, float)):
- return True
-
- def represent_none(self, data):
- return self.represent_scalar(u'tag:yaml.org,2002:null',
- u'null')
-
- def represent_str(self, data):
- tag = None
- style = None
- try:
- data = unicode(data, 'ascii')
- tag = u'tag:yaml.org,2002:str'
- except UnicodeDecodeError:
- try:
- data = unicode(data, 'utf-8')
- tag = u'tag:yaml.org,2002:str'
- except UnicodeDecodeError:
- data = data.encode('base64')
- tag = u'tag:yaml.org,2002:binary'
- style = '|'
- return self.represent_scalar(tag, data, style=style)
-
- def represent_unicode(self, data):
- return self.represent_scalar(u'tag:yaml.org,2002:str', data)
-
- def represent_bool(self, data):
- if data:
- value = u'true'
- else:
- value = u'false'
- return self.represent_scalar(u'tag:yaml.org,2002:bool', value)
-
- def represent_int(self, data):
- return self.represent_scalar(u'tag:yaml.org,2002:int', unicode(data))
-
- def represent_long(self, data):
- return self.represent_scalar(u'tag:yaml.org,2002:int', unicode(data))
-
- repr_pos_inf = repr(1e300000)
- repr_neg_inf = repr(-1e300000)
- repr_nan = repr(1e300000/1e300000)
-
- def represent_float(self, data):
- repr_data = repr(data)
- if repr_data == self.repr_pos_inf:
- value = u'.inf'
- elif repr_data == self.repr_neg_inf:
- value = u'-.inf'
- elif repr_data == self.repr_nan:
- value = u'.nan'
- else:
- value = unicode(repr_data)
- return self.represent_scalar(u'tag:yaml.org,2002:float', value)
-
- def represent_list(self, data):
- pairs = (len(data) > 0 and isinstance(data, list))
- if pairs:
- for item in data:
- if not isinstance(item, tuple) or len(item) != 2:
- pairs = False
- break
- if not pairs:
- return self.represent_sequence(u'tag:yaml.org,2002:seq', data)
- value = []
- for item_key, item_value in data:
- value.append(self.represent_mapping(u'tag:yaml.org,2002:map',
- [(item_key, item_value)]))
- return SequenceNode(u'tag:yaml.org,2002:pairs', value)
-
- def represent_dict(self, data):
- return self.represent_mapping(u'tag:yaml.org,2002:map', data)
-
- def represent_set(self, data):
- value = {}
- for key in data:
- value[key] = None
- return self.represent_mapping(u'tag:yaml.org,2002:set', value)
-
- def represent_date(self, data):
- value = u'%04d-%02d-%02d' % (data.year, data.month, data.day)
- return self.represent_scalar(u'tag:yaml.org,2002:timestamp', value)
-
- def represent_datetime(self, data):
- value = u'%04d-%02d-%02d %02d:%02d:%02d' \
- % (data.year, data.month, data.day,
- data.hour, data.minute, data.second)
- if data.microsecond:
- value += u'.' + unicode(data.microsecond/1000000.0).split(u'.')[1]
- if data.utcoffset():
- value += unicode(data.utcoffset())
- return self.represent_scalar(u'tag:yaml.org,2002:timestamp', value)
-
- def represent_yaml_object(self, tag, data, cls, flow_style=None):
- if hasattr(data, '__getstate__'):
- state = data.__getstate__()
- else:
- state = data.__dict__.copy()
- if isinstance(state, dict):
- state = state.items()
- state.sort()
- return self.represent_mapping(tag, state, flow_style=flow_style)
-
- def represent_undefined(self, data):
- raise RepresenterError("cannot represent an object: %s" % data)
-
-SafeRepresenter.add_representer(type(None),
- SafeRepresenter.represent_none)
-
-SafeRepresenter.add_representer(str,
- SafeRepresenter.represent_str)
-
-SafeRepresenter.add_representer(unicode,
- SafeRepresenter.represent_unicode)
-
-SafeRepresenter.add_representer(bool,
- SafeRepresenter.represent_bool)
-
-SafeRepresenter.add_representer(int,
- SafeRepresenter.represent_int)
-
-SafeRepresenter.add_representer(long,
- SafeRepresenter.represent_long)
-
-SafeRepresenter.add_representer(float,
- SafeRepresenter.represent_float)
-
-SafeRepresenter.add_representer(list,
- SafeRepresenter.represent_list)
-
-SafeRepresenter.add_representer(tuple,
- SafeRepresenter.represent_list)
-
-SafeRepresenter.add_representer(dict,
- SafeRepresenter.represent_dict)
-
-SafeRepresenter.add_representer(set,
- SafeRepresenter.represent_set)
-
-if datetime_available:
- SafeRepresenter.add_representer(datetime.date,
- SafeRepresenter.represent_date)
- SafeRepresenter.add_representer(datetime.datetime,
- SafeRepresenter.represent_datetime)
-
-SafeRepresenter.add_representer(None,
- SafeRepresenter.represent_undefined)
-
-class Representer(SafeRepresenter):
-
- def represent_str(self, data):
- tag = None
- style = None
- try:
- data = unicode(data, 'ascii')
- tag = u'tag:yaml.org,2002:str'
- except UnicodeDecodeError:
- try:
- data = unicode(data, 'utf-8')
- tag = u'tag:yaml.org,2002:python/str'
- except UnicodeDecodeError:
- data = data.encode('base64')
- tag = u'tag:yaml.org,2002:binary'
- style = '|'
- return self.represent_scalar(tag, data, style=style)
-
- def represent_unicode(self, data):
- tag = None
- try:
- data.encode('ascii')
- tag = u'tag:yaml.org,2002:python/unicode'
- except UnicodeEncodeError:
- tag = u'tag:yaml.org,2002:str'
- return self.represent_scalar(tag, data)
-
- def represent_long(self, data):
- tag = u'tag:yaml.org,2002:int'
- if int(data) is not data:
- tag = u'tag:yaml.org,2002:python/long'
- return self.represent_scalar(tag, unicode(data))
-
- def represent_complex(self, data):
- if data.imag == 0.0:
- data = u'%r' % data.real
- elif data.real == 0.0:
- data = u'%rj' % data.imag
- elif data.imag > 0:
- data = u'%r+%rj' % (data.real, data.imag)
- else:
- data = u'%r%rj' % (data.real, data.imag)
- return self.represent_scalar(u'tag:yaml.org,2002:python/complex', data)
-
- def represent_tuple(self, data):
- return self.represent_sequence(u'tag:yaml.org,2002:python/tuple', data)
-
- def represent_name(self, data):
- name = u'%s.%s' % (data.__module__, data.__name__)
- return self.represent_scalar(u'tag:yaml.org,2002:python/name:'+name, u'')
-
- def represent_module(self, data):
- return self.represent_scalar(
- u'tag:yaml.org,2002:python/module:'+data.__name__, u'')
-
- def represent_instance(self, data):
- # For instances of classic classes, we use __getinitargs__ and
- # __getstate__ to serialize the data.
-
- # If data.__getinitargs__ exists, the object must be reconstructed by
- # calling cls(**args), where args is a tuple returned by
- # __getinitargs__. Otherwise, the cls.__init__ method should never be
- # called and the class instance is created by instantiating a trivial
- # class and assigning to the instance's __class__ variable.
-
- # If data.__getstate__ exists, it returns the state of the object.
- # Otherwise, the state of the object is data.__dict__.
-
- # We produce either a !!python/object or !!python/object/new node.
- # If data.__getinitargs__ does not exist and state is a dictionary, we
- # produce a !!python/object node . Otherwise we produce a
- # !!python/object/new node.
-
- cls = data.__class__
- class_name = u'%s.%s' % (cls.__module__, cls.__name__)
- args = None
- state = None
- if hasattr(data, '__getinitargs__'):
- args = list(data.__getinitargs__())
- if hasattr(data, '__getstate__'):
- state = data.__getstate__()
- else:
- state = data.__dict__
- if args is None and isinstance(state, dict):
- state = state.items()
- state.sort()
- return self.represent_mapping(
- u'tag:yaml.org,2002:python/object:'+class_name, state)
- if isinstance(state, dict) and not state:
- return self.represent_sequence(
- u'tag:yaml.org,2002:python/object/new:'+class_name, args)
- value = {}
- if args:
- value['args'] = args
- value['state'] = state
- return self.represent_mapping(
- u'tag:yaml.org,2002:python/object/new:'+class_name, value)
-
- def represent_object(self, data):
- # We use __reduce__ API to save the data. data.__reduce__ returns
- # a tuple of length 2-5:
- # (function, args, state, listitems, dictitems)
-
- # For reconstructing, we calls function(*args), then set its state,
- # listitems, and dictitems if they are not None.
-
- # A special case is when function.__name__ == '__newobj__'. In this
- # case we create the object with args[0].__new__(*args).
-
- # Another special case is when __reduce__ returns a string - we don't
- # support it.
-
- # We produce a !!python/object, !!python/object/new or
- # !!python/object/apply node.
-
- cls = type(data)
- if cls in copy_reg.dispatch_table:
- reduce = copy_reg.dispatch_table[cls]
- elif hasattr(data, '__reduce_ex__'):
- reduce = data.__reduce_ex__(2)
- elif hasattr(data, '__reduce__'):
- reduce = data.__reduce__()
- else:
- raise RepresenterError("cannot represent object: %r" % data)
- reduce = (list(reduce)+[None]*5)[:5]
- function, args, state, listitems, dictitems = reduce
- args = list(args)
- if state is None:
- state = {}
- if listitems is not None:
- listitems = list(listitems)
- if dictitems is not None:
- dictitems = dict(dictitems)
- if function.__name__ == '__newobj__':
- function = args[0]
- args = args[1:]
- tag = u'tag:yaml.org,2002:python/object/new:'
- newobj = True
- else:
- tag = u'tag:yaml.org,2002:python/object/apply:'
- newobj = False
- function_name = u'%s.%s' % (function.__module__, function.__name__)
- if not args and not listitems and not dictitems \
- and isinstance(state, dict) and newobj:
- state = state.items()
- state.sort()
- return self.represent_mapping(
- u'tag:yaml.org,2002:python/object:'+function_name, state)
- if not listitems and not dictitems \
- and isinstance(state, dict) and not state:
- return self.represent_sequence(tag+function_name, args)
- value = {}
- if args:
- value['args'] = args
- if state or not isinstance(state, dict):
- value['state'] = state
- if listitems:
- value['listitems'] = listitems
- if dictitems:
- value['dictitems'] = dictitems
- return self.represent_mapping(tag+function_name, value)
-
-Representer.add_representer(str,
- Representer.represent_str)
-
-Representer.add_representer(unicode,
- Representer.represent_unicode)
-
-Representer.add_representer(long,
- Representer.represent_long)
-
-Representer.add_representer(complex,
- Representer.represent_complex)
-
-Representer.add_representer(tuple,
- Representer.represent_tuple)
-
-Representer.add_representer(type,
- Representer.represent_name)
-
-Representer.add_representer(Representer.classobj_type,
- Representer.represent_name)
-
-Representer.add_representer(Representer.function_type,
- Representer.represent_name)
-
-Representer.add_representer(Representer.builtin_function_type,
- Representer.represent_name)
-
-Representer.add_representer(Representer.module_type,
- Representer.represent_module)
-
-Representer.add_multi_representer(Representer.instance_type,
- Representer.represent_instance)
-
-Representer.add_multi_representer(object,
- Representer.represent_object)
-
diff --git a/external_libs/python/PyYAML-3.01/lib/yaml/resolver.py b/external_libs/python/PyYAML-3.01/lib/yaml/resolver.py
deleted file mode 100644
index 7e580e98..00000000
--- a/external_libs/python/PyYAML-3.01/lib/yaml/resolver.py
+++ /dev/null
@@ -1,205 +0,0 @@
-
-__all__ = ['BaseResolver', 'Resolver']
-
-from error import *
-from nodes import *
-
-import re
-
-class ResolverError(YAMLError):
- pass
-
-class BaseResolver:
-
- DEFAULT_SCALAR_TAG = u'tag:yaml.org,2002:str'
- DEFAULT_SEQUENCE_TAG = u'tag:yaml.org,2002:seq'
- DEFAULT_MAPPING_TAG = u'tag:yaml.org,2002:map'
-
- yaml_implicit_resolvers = {}
- yaml_path_resolvers = {}
-
- def __init__(self):
- self.resolver_exact_paths = []
- self.resolver_prefix_paths = []
-
- def add_implicit_resolver(cls, tag, regexp, first):
- if not 'yaml_implicit_resolvers' in cls.__dict__:
- cls.yaml_implicit_resolvers = cls.yaml_implicit_resolvers.copy()
- if first is None:
- first = [None]
- for ch in first:
- cls.yaml_implicit_resolvers.setdefault(ch, []).append((tag, regexp))
- add_implicit_resolver = classmethod(add_implicit_resolver)
-
- def add_path_resolver(cls, tag, path, kind=None):
- if not 'yaml_path_resolvers' in cls.__dict__:
- cls.yaml_path_resolvers = cls.yaml_path_resolvers.copy()
- new_path = []
- for element in path:
- if isinstance(element, (list, tuple)):
- if len(element) == 2:
- node_check, index_check = element
- elif len(element) == 1:
- node_check = element[0]
- index_check = True
- else:
- raise ResolverError("Invalid path element: %s" % element)
- else:
- node_check = None
- index_check = element
- if node_check is str:
- node_check = ScalarNode
- elif node_check is list:
- node_check = SequenceNode
- elif node_check is map:
- node_check = MappingNode
- elif node_check not in [ScalarNode, SequenceNode, MappingNode] \
- and not isinstance(node_check, basestring) \
- and node_check is not None:
- raise ResolverError("Invalid node checker: %s" % node_check)
- if not isinstance(index_check, (basestring, int)) \
- and index_check is not None:
- raise ResolverError("Invalid index checker: %s" % index_check)
- new_path.append((node_check, index_check))
- if kind is str:
- kind = ScalarNode
- elif kind is list:
- kind = SequenceNode
- elif kind is map:
- kind = MappingNode
- elif kind not in [ScalarNode, SequenceNode, MappingNode] \
- and kind is not None:
- raise ResolverError("Invalid node kind: %s" % kind)
- cls.yaml_path_resolvers[tuple(new_path), kind] = tag
- add_path_resolver = classmethod(add_path_resolver)
-
- def descend_resolver(self, current_node, current_index):
- exact_paths = {}
- prefix_paths = []
- if current_node:
- depth = len(self.resolver_prefix_paths)
- for path, kind in self.resolver_prefix_paths[-1]:
- if self.check_resolver_prefix(depth, path, kind,
- current_node, current_index):
- if len(path) > depth:
- prefix_paths.append((path, kind))
- else:
- exact_paths[kind] = self.yaml_path_resolvers[path, kind]
- else:
- for path, kind in self.yaml_path_resolvers:
- if not path:
- exact_paths[kind] = self.yaml_path_resolvers[path, kind]
- else:
- prefix_paths.append((path, kind))
- self.resolver_exact_paths.append(exact_paths)
- self.resolver_prefix_paths.append(prefix_paths)
-
- def ascend_resolver(self):
- self.resolver_exact_paths.pop()
- self.resolver_prefix_paths.pop()
-
- def check_resolver_prefix(self, depth, path, kind,
- current_node, current_index):
- node_check, index_check = path[depth-1]
- if isinstance(node_check, basestring):
- if current_node.tag != node_check:
- return
- elif node_check is not None:
- if not isinstance(current_node, node_check):
- return
- if index_check is True and current_index is not None:
- return
- if index_check in [False, None] and current_index is None:
- return
- if isinstance(index_check, basestring):
- if not (isinstance(current_index, ScalarNode)
- and index_check == current_index.value):
- return
- elif isinstance(index_check, int):
- if index_check != current_index:
- return
- return True
-
- def resolve(self, kind, value, implicit):
- if kind is ScalarNode and implicit[0]:
- if value == u'':
- resolvers = self.yaml_implicit_resolvers.get(u'', [])
- else:
- resolvers = self.yaml_implicit_resolvers.get(value[0], [])
- resolvers += self.yaml_implicit_resolvers.get(None, [])
- for tag, regexp in resolvers:
- if regexp.match(value):
- return tag
- implicit = implicit[1]
- exact_paths = self.resolver_exact_paths[-1]
- if kind in exact_paths:
- return exact_paths[kind]
- if None in exact_paths:
- return exact_paths[None]
- if kind is ScalarNode:
- return self.DEFAULT_SCALAR_TAG
- elif kind is SequenceNode:
- return self.DEFAULT_SEQUENCE_TAG
- elif kind is MappingNode:
- return self.DEFAULT_MAPPING_TAG
-
-class Resolver(BaseResolver):
- pass
-
-Resolver.add_implicit_resolver(
- u'tag:yaml.org,2002:bool',
- re.compile(ur'''^(?:yes|Yes|YES|n|N|no|No|NO
- |true|True|TRUE|false|False|FALSE
- |on|On|ON|off|Off|OFF)$''', re.X),
- list(u'yYnNtTfFoO'))
-
-Resolver.add_implicit_resolver(
- u'tag:yaml.org,2002:float',
- re.compile(ur'''^(?:[-+]?(?:[0-9][0-9_]*)?\.[0-9_]*(?:[eE][-+][0-9]+)?
- |[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+\.[0-9_]*
- |[-+]?\.(?:inf|Inf|INF)
- |\.(?:nan|NaN|NAN))$''', re.X),
- list(u'-+0123456789.'))
-
-Resolver.add_implicit_resolver(
- u'tag:yaml.org,2002:int',
- re.compile(ur'''^(?:[-+]?0b[0-1_]+
- |[-+]?0[0-7_]+
- |[-+]?(?:0|[1-9][0-9_]*)
- |[-+]?0x[0-9a-fA-F_]+
- |[-+]?[1-9][0-9_]*(?::[0-5]?[0-9])+)$''', re.X),
- list(u'-+0123456789'))
-
-Resolver.add_implicit_resolver(
- u'tag:yaml.org,2002:merge',
- re.compile(ur'^(?:<<)$'),
- ['<'])
-
-Resolver.add_implicit_resolver(
- u'tag:yaml.org,2002:null',
- re.compile(ur'''^(?: ~
- |null|Null|NULL
- | )$''', re.X),
- [u'~', u'n', u'N', u''])
-
-Resolver.add_implicit_resolver(
- u'tag:yaml.org,2002:timestamp',
- re.compile(ur'''^(?:[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]
- |[0-9][0-9][0-9][0-9] -[0-9][0-9]? -[0-9][0-9]?
- (?:[Tt]|[ \t]+)[0-9][0-9]?
- :[0-9][0-9] :[0-9][0-9] (?:\.[0-9]*)?
- (?:[ \t]*(?:Z|[-+][0-9][0-9]?(?::[0-9][0-9])?))?)$''', re.X),
- list(u'0123456789'))
-
-Resolver.add_implicit_resolver(
- u'tag:yaml.org,2002:value',
- re.compile(ur'^(?:=)$'),
- ['='])
-
-# The following resolver is only for documentation purposes. It cannot work
-# because plain scalars cannot start with '!', '&', or '*'.
-Resolver.add_implicit_resolver(
- u'tag:yaml.org,2002:yaml',
- re.compile(ur'^(?:!|&|\*)$'),
- list(u'!&*'))
-
diff --git a/external_libs/python/PyYAML-3.01/lib/yaml/scanner.py b/external_libs/python/PyYAML-3.01/lib/yaml/scanner.py
deleted file mode 100644
index cf2478f9..00000000
--- a/external_libs/python/PyYAML-3.01/lib/yaml/scanner.py
+++ /dev/null
@@ -1,1458 +0,0 @@
-
-# Scanner produces tokens of the following types:
-# STREAM-START
-# STREAM-END
-# DIRECTIVE(name, value)
-# DOCUMENT-START
-# DOCUMENT-END
-# BLOCK-SEQUENCE-START
-# BLOCK-MAPPING-START
-# BLOCK-END
-# FLOW-SEQUENCE-START
-# FLOW-MAPPING-START
-# FLOW-SEQUENCE-END
-# FLOW-MAPPING-END
-# BLOCK-ENTRY
-# FLOW-ENTRY
-# KEY
-# VALUE
-# ALIAS(value)
-# ANCHOR(value)
-# TAG(value)
-# SCALAR(value, plain)
-#
-# Read comments in the Scanner code for more details.
-#
-
-__all__ = ['Scanner', 'ScannerError']
-
-from error import MarkedYAMLError
-from tokens import *
-
-class ScannerError(MarkedYAMLError):
- pass
-
-class SimpleKey:
- # See below simple keys treatment.
-
- def __init__(self, token_number, required, index, line, column, mark):
- self.token_number = token_number
- self.required = required
- self.index = index
- self.line = line
- self.column = column
- self.mark = mark
-
-class Scanner:
-
- def __init__(self):
- """Initialize the scanner."""
- # It is assumed that Scanner and Reader will have a common descendant.
- # Reader do the dirty work of checking for BOM and converting the
- # input data to Unicode. It also adds NUL to the end.
- #
- # Reader supports the following methods
- # self.peek(i=0) # peek the next i-th character
- # self.prefix(l=1) # peek the next l characters
- # self.forward(l=1) # read the next l characters and move the pointer.
-
- # Had we reached the end of the stream?
- self.done = False
-
- # The number of unclosed '{' and '['. `flow_level == 0` means block
- # context.
- self.flow_level = 0
-
- # List of processed tokens that are not yet emitted.
- self.tokens = []
-
- # Add the STREAM-START token.
- self.fetch_stream_start()
-
- # Number of tokens that were emitted through the `get_token` method.
- self.tokens_taken = 0
-
- # The current indentation level.
- self.indent = -1
-
- # Past indentation levels.
- self.indents = []
-
- # Variables related to simple keys treatment.
-
- # A simple key is a key that is not denoted by the '?' indicator.
- # Example of simple keys:
- # ---
- # block simple key: value
- # ? not a simple key:
- # : { flow simple key: value }
- # We emit the KEY token before all keys, so when we find a potential
- # simple key, we try to locate the corresponding ':' indicator.
- # Simple keys should be limited to a single line and 1024 characters.
-
- # Can a simple key start at the current position? A simple key may
- # start:
- # - at the beginning of the line, not counting indentation spaces
- # (in block context),
- # - after '{', '[', ',' (in the flow context),
- # - after '?', ':', '-' (in the block context).
- # In the block context, this flag also signifies if a block collection
- # may start at the current position.
- self.allow_simple_key = True
-
- # Keep track of possible simple keys. This is a dictionary. The key
- # is `flow_level`; there can be no more that one possible simple key
- # for each level. The value is a SimpleKey record:
- # (token_number, required, index, line, column, mark)
- # A simple key may start with ALIAS, ANCHOR, TAG, SCALAR(flow),
- # '[', or '{' tokens.
- self.possible_simple_keys = {}
-
- # Public methods.
-
- def check_token(self, *choices):
- # Check if the next token is one of the given types.
- while self.need_more_tokens():
- self.fetch_more_tokens()
- if self.tokens:
- if not choices:
- return True
- for choice in choices:
- if isinstance(self.tokens[0], choice):
- return True
- return False
-
- def peek_token(self):
- # Return the next token, but do not delete if from the queue.
- while self.need_more_tokens():
- self.fetch_more_tokens()
- if self.tokens:
- return self.tokens[0]
-
- def get_token(self):
- # Return the next token.
- while self.need_more_tokens():
- self.fetch_more_tokens()
- if self.tokens:
- self.tokens_taken += 1
- return self.tokens.pop(0)
-
- def __iter__(self):
- # Iterator protocol.
- while self.need_more_tokens():
- self.fetch_more_tokens()
- while self.tokens:
- self.tokens_taken += 1
- yield self.tokens.pop(0)
- while self.need_more_tokens():
- self.fetch_more_tokens()
-
- # Private methods.
-
- def need_more_tokens(self):
- if self.done:
- return False
- if not self.tokens:
- return True
- # The current token may be a potential simple key, so we
- # need to look further.
- self.stale_possible_simple_keys()
- if self.next_possible_simple_key() == self.tokens_taken:
- return True
-
- def fetch_more_tokens(self):
-
- # Eat whitespaces and comments until we reach the next token.
- self.scan_to_next_token()
-
- # Remove obsolete possible simple keys.
- self.stale_possible_simple_keys()
-
- # Compare the current indentation and column. It may add some tokens
- # and decrease the current indentation level.
- self.unwind_indent(self.column)
-
- # Peek the next character.
- ch = self.peek()
-
- # Is it the end of stream?
- if ch == u'\0':
- return self.fetch_stream_end()
-
- # Is it a directive?
- if ch == u'%' and self.check_directive():
- return self.fetch_directive()
-
- # Is it the document start?
- if ch == u'-' and self.check_document_start():
- return self.fetch_document_start()
-
- # Is it the document end?
- if ch == u'.' and self.check_document_end():
- return self.fetch_document_end()
-
- # TODO: support for BOM within a stream.
- #if ch == u'\uFEFF':
- # return self.fetch_bom() <-- issue BOMToken
-
- # Note: the order of the following checks is NOT significant.
-
- # Is it the flow sequence start indicator?
- if ch == u'[':
- return self.fetch_flow_sequence_start()
-
- # Is it the flow mapping start indicator?
- if ch == u'{':
- return self.fetch_flow_mapping_start()
-
- # Is it the flow sequence end indicator?
- if ch == u']':
- return self.fetch_flow_sequence_end()
-
- # Is it the flow mapping end indicator?
- if ch == u'}':
- return self.fetch_flow_mapping_end()
-
- # Is it the flow entry indicator?
- if ch in u',':
- return self.fetch_flow_entry()
-
- # Is it the block entry indicator?
- if ch in u'-' and self.check_block_entry():
- return self.fetch_block_entry()
-
- # Is it the key indicator?
- if ch == u'?' and self.check_key():
- return self.fetch_key()
-
- # Is it the value indicator?
- if ch == u':' and self.check_value():
- return self.fetch_value()
-
- # Is it an alias?
- if ch == u'*':
- return self.fetch_alias()
-
- # Is it an anchor?
- if ch == u'&':
- return self.fetch_anchor()
-
- # Is it a tag?
- if ch == u'!':
- return self.fetch_tag()
-
- # Is it a literal scalar?
- if ch == u'|' and not self.flow_level:
- return self.fetch_literal()
-
- # Is it a folded scalar?
- if ch == u'>' and not self.flow_level:
- return self.fetch_folded()
-
- # Is it a single quoted scalar?
- if ch == u'\'':
- return self.fetch_single()
-
- # Is it a double quoted scalar?
- if ch == u'\"':
- return self.fetch_double()
-
- # It must be a plain scalar then.
- if self.check_plain():
- return self.fetch_plain()
-
- # No? It's an error. Let's produce a nice error message.
- raise ScannerError("while scanning for the next token", None,
- "found character %r that cannot start any token"
- % ch.encode('utf-8'), self.get_mark())
-
- # Simple keys treatment.
-
- def next_possible_simple_key(self):
- # Return the number of the nearest possible simple key. Actually we
- # don't need to loop through the whole dictionary. We may replace it
- # with the following code:
- # if not self.possible_simple_keys:
- # return None
- # return self.possible_simple_keys[
- # min(self.possible_simple_keys.keys())].token_number
- min_token_number = None
- for level in self.possible_simple_keys:
- key = self.possible_simple_keys[level]
- if min_token_number is None or key.token_number < min_token_number:
- min_token_number = key.token_number
- return min_token_number
-
- def stale_possible_simple_keys(self):
- # Remove entries that are no longer possible simple keys. According to
- # the YAML specification, simple keys
- # - should be limited to a single line,
- # - should be no longer than 1024 characters.
- # Disabling this procedure will allow simple keys of any length and
- # height (may cause problems if indentation is broken though).
- for level in self.possible_simple_keys.keys():
- key = self.possible_simple_keys[level]
- if key.line != self.line \
- or self.index-key.index > 1024:
- if key.required:
- raise ScannerError("while scanning a simple key", key.mark,
- "could not found expected ':'", self.get_mark())
- del self.possible_simple_keys[level]
-
- def save_possible_simple_key(self):
- # The next token may start a simple key. We check if it's possible
- # and save its position. This function is called for
- # ALIAS, ANCHOR, TAG, SCALAR(flow), '[', and '{'.
-
- # Check if a simple key is required at the current position.
- required = not self.flow_level and self.indent == self.column
-
- # A simple key is required only if it is the first token in the current
- # line. Therefore it is always allowed.
- assert self.allow_simple_key or not required
-
- # The next token might be a simple key. Let's save it's number and
- # position.
- if self.allow_simple_key:
- self.remove_possible_simple_key()
- token_number = self.tokens_taken+len(self.tokens)
- key = SimpleKey(token_number, required,
- self.index, self.line, self.column, self.get_mark())
- self.possible_simple_keys[self.flow_level] = key
-
- def remove_possible_simple_key(self):
- # Remove the saved possible key position at the current flow level.
- if self.flow_level in self.possible_simple_keys:
- key = self.possible_simple_keys[self.flow_level]
-
- # I don't think it's possible, but I could be wrong.
- assert not key.required
- #if key.required:
- # raise ScannerError("while scanning a simple key", key.mark,
- # "could not found expected ':'", self.get_mark())
-
- # Indentation functions.
-
- def unwind_indent(self, column):
-
- ## In flow context, tokens should respect indentation.
- ## Actually the condition should be `self.indent >= column` according to
- ## the spec. But this condition will prohibit intuitively correct
- ## constructions such as
- ## key : {
- ## }
- #if self.flow_level and self.indent > column:
- # raise ScannerError(None, None,
- # "invalid intendation or unclosed '[' or '{'",
- # self.get_mark())
-
- # In the flow context, indentation is ignored. We make the scanner less
- # restrictive then specification requires.
- if self.flow_level:
- return
-
- # In block context, we may need to issue the BLOCK-END tokens.
- while self.indent > column:
- mark = self.get_mark()
- self.indent = self.indents.pop()
- self.tokens.append(BlockEndToken(mark, mark))
-
- def add_indent(self, column):
- # Check if we need to increase indentation.
- if self.indent < column:
- self.indents.append(self.indent)
- self.indent = column
- return True
- return False
-
- # Fetchers.
-
- def fetch_stream_start(self):
- # We always add STREAM-START as the first token and STREAM-END as the
- # last token.
-
- # Read the token.
- mark = self.get_mark()
-
- # Add STREAM-START.
- self.tokens.append(StreamStartToken(mark, mark,
- encoding=self.encoding))
-
-
- def fetch_stream_end(self):
-
- # Set the current intendation to -1.
- self.unwind_indent(-1)
-
- # Reset everything (not really needed).
- self.allow_simple_key = False
- self.possible_simple_keys = {}
-
- # Read the token.
- mark = self.get_mark()
-
- # Add STREAM-END.
- self.tokens.append(StreamEndToken(mark, mark))
-
- # The steam is finished.
- self.done = True
-
- def fetch_directive(self):
-
- # Set the current intendation to -1.
- self.unwind_indent(-1)
-
- # Reset simple keys.
- self.remove_possible_simple_key()
- self.allow_simple_key = False
-
- # Scan and add DIRECTIVE.
- self.tokens.append(self.scan_directive())
-
- def fetch_document_start(self):
- self.fetch_document_indicator(DocumentStartToken)
-
- def fetch_document_end(self):
- self.fetch_document_indicator(DocumentEndToken)
-
- def fetch_document_indicator(self, TokenClass):
-
- # Set the current intendation to -1.
- self.unwind_indent(-1)
-
- # Reset simple keys. Note that there could not be a block collection
- # after '---'.
- self.remove_possible_simple_key()
- self.allow_simple_key = False
-
- # Add DOCUMENT-START or DOCUMENT-END.
- start_mark = self.get_mark()
- self.forward(3)
- end_mark = self.get_mark()
- self.tokens.append(TokenClass(start_mark, end_mark))
-
- def fetch_flow_sequence_start(self):
- self.fetch_flow_collection_start(FlowSequenceStartToken)
-
- def fetch_flow_mapping_start(self):
- self.fetch_flow_collection_start(FlowMappingStartToken)
-
- def fetch_flow_collection_start(self, TokenClass):
-
- # '[' and '{' may start a simple key.
- self.save_possible_simple_key()
-
- # Increase the flow level.
- self.flow_level += 1
-
- # Simple keys are allowed after '[' and '{'.
- self.allow_simple_key = True
-
- # Add FLOW-SEQUENCE-START or FLOW-MAPPING-START.
- start_mark = self.get_mark()
- self.forward()
- end_mark = self.get_mark()
- self.tokens.append(TokenClass(start_mark, end_mark))
-
- def fetch_flow_sequence_end(self):
- self.fetch_flow_collection_end(FlowSequenceEndToken)
-
- def fetch_flow_mapping_end(self):
- self.fetch_flow_collection_end(FlowMappingEndToken)
-
- def fetch_flow_collection_end(self, TokenClass):
-
- # Reset possible simple key on the current level.
- self.remove_possible_simple_key()
-
- # Decrease the flow level.
- self.flow_level -= 1
-
- # No simple keys after ']' or '}'.
- self.allow_simple_key = False
-
- # Add FLOW-SEQUENCE-END or FLOW-MAPPING-END.
- start_mark = self.get_mark()
- self.forward()
- end_mark = self.get_mark()
- self.tokens.append(TokenClass(start_mark, end_mark))
-
- def fetch_flow_entry(self):
-
- # Simple keys are allowed after ','.
- self.allow_simple_key = True
-
- # Reset possible simple key on the current level.
- self.remove_possible_simple_key()
-
- # Add FLOW-ENTRY.
- start_mark = self.get_mark()
- self.forward()
- end_mark = self.get_mark()
- self.tokens.append(FlowEntryToken(start_mark, end_mark))
-
- def fetch_block_entry(self):
-
- # Block context needs additional checks.
- if not self.flow_level:
-
- # Are we allowed to start a new entry?
- if not self.allow_simple_key:
- raise ScannerError(None, None,
- "sequence entries are not allowed here",
- self.get_mark())
-
- # We may need to add BLOCK-SEQUENCE-START.
- if self.add_indent(self.column):
- mark = self.get_mark()
- self.tokens.append(BlockSequenceStartToken(mark, mark))
-
- # It's an error for the block entry to occur in the flow context,
- # but we let the parser detect this.
- else:
- pass
-
- # Simple keys are allowed after '-'.
- self.allow_simple_key = True
-
- # Reset possible simple key on the current level.
- self.remove_possible_simple_key()
-
- # Add BLOCK-ENTRY.
- start_mark = self.get_mark()
- self.forward()
- end_mark = self.get_mark()
- self.tokens.append(BlockEntryToken(start_mark, end_mark))
-
- def fetch_key(self):
-
- # Block context needs additional checks.
- if not self.flow_level:
-
- # Are we allowed to start a key (not nessesary a simple)?
- if not self.allow_simple_key:
- raise ScannerError(None, None,
- "mapping keys are not allowed here",
- self.get_mark())
-
- # We may need to add BLOCK-MAPPING-START.
- if self.add_indent(self.column):
- mark = self.get_mark()
- self.tokens.append(BlockMappingStartToken(mark, mark))
-
- # Simple keys are allowed after '?' in the block context.
- self.allow_simple_key = not self.flow_level
-
- # Reset possible simple key on the current level.
- self.remove_possible_simple_key()
-
- # Add KEY.
- start_mark = self.get_mark()
- self.forward()
- end_mark = self.get_mark()
- self.tokens.append(KeyToken(start_mark, end_mark))
-
- def fetch_value(self):
-
- # Do we determine a simple key?
- if self.flow_level in self.possible_simple_keys:
-
- # Add KEY.
- key = self.possible_simple_keys[self.flow_level]
- del self.possible_simple_keys[self.flow_level]
- self.tokens.insert(key.token_number-self.tokens_taken,
- KeyToken(key.mark, key.mark))
-
- # If this key starts a new block mapping, we need to add
- # BLOCK-MAPPING-START.
- if not self.flow_level:
- if self.add_indent(key.column):
- self.tokens.insert(key.token_number-self.tokens_taken,
- BlockMappingStartToken(key.mark, key.mark))
-
- # There cannot be two simple keys one after another.
- self.allow_simple_key = False
-
- # It must be a part of a complex key.
- else:
-
- # Block context needs additional checks.
- # (Do we really need them? They will be catched by the parser
- # anyway.)
- if not self.flow_level:
-
- # We are allowed to start a complex value if and only if
- # we can start a simple key.
- if not self.allow_simple_key:
- raise ScannerError(None, None,
- "mapping values are not allowed here",
- self.get_mark())
-
- # Simple keys are allowed after ':' in the block context.
- self.allow_simple_key = not self.flow_level
-
- # Reset possible simple key on the current level.
- self.remove_possible_simple_key()
-
- # Add VALUE.
- start_mark = self.get_mark()
- self.forward()
- end_mark = self.get_mark()
- self.tokens.append(ValueToken(start_mark, end_mark))
-
- def fetch_alias(self):
-
- # ALIAS could be a simple key.
- self.save_possible_simple_key()
-
- # No simple keys after ALIAS.
- self.allow_simple_key = False
-
- # Scan and add ALIAS.
- self.tokens.append(self.scan_anchor(AliasToken))
-
- def fetch_anchor(self):
-
- # ANCHOR could start a simple key.
- self.save_possible_simple_key()
-
- # No simple keys after ANCHOR.
- self.allow_simple_key = False
-
- # Scan and add ANCHOR.
- self.tokens.append(self.scan_anchor(AnchorToken))
-
- def fetch_tag(self):
-
- # TAG could start a simple key.
- self.save_possible_simple_key()
-
- # No simple keys after TAG.
- self.allow_simple_key = False
-
- # Scan and add TAG.
- self.tokens.append(self.scan_tag())
-
- def fetch_literal(self):
- self.fetch_block_scalar(style='|')
-
- def fetch_folded(self):
- self.fetch_block_scalar(style='>')
-
- def fetch_block_scalar(self, style):
-
- # A simple key may follow a block scalar.
- self.allow_simple_key = True
-
- # Reset possible simple key on the current level.
- self.remove_possible_simple_key()
-
- # Scan and add SCALAR.
- self.tokens.append(self.scan_block_scalar(style))
-
- def fetch_single(self):
- self.fetch_flow_scalar(style='\'')
-
- def fetch_double(self):
- self.fetch_flow_scalar(style='"')
-
- def fetch_flow_scalar(self, style):
-
- # A flow scalar could be a simple key.
- self.save_possible_simple_key()
-
- # No simple keys after flow scalars.
- self.allow_simple_key = False
-
- # Scan and add SCALAR.
- self.tokens.append(self.scan_flow_scalar(style))
-
- def fetch_plain(self):
-
- # A plain scalar could be a simple key.
- self.save_possible_simple_key()
-
- # No simple keys after plain scalars. But note that `scan_plain` will
- # change this flag if the scan is finished at the beginning of the
- # line.
- self.allow_simple_key = False
-
- # Scan and add SCALAR. May change `allow_simple_key`.
- self.tokens.append(self.scan_plain())
-
- # Checkers.
-
- def check_directive(self):
-
- # DIRECTIVE: ^ '%' ...
- # The '%' indicator is already checked.
- if self.column == 0:
- return True
-
- def check_document_start(self):
-
- # DOCUMENT-START: ^ '---' (' '|'\n')
- if self.column == 0:
- if self.prefix(3) == u'---' \
- and self.peek(3) in u'\0 \t\r\n\x85\u2028\u2029':
- return True
-
- def check_document_end(self):
-
- # DOCUMENT-END: ^ '...' (' '|'\n')
- if self.column == 0:
- if self.prefix(3) == u'...' \
- and self.peek(3) in u'\0 \t\r\n\x85\u2028\u2029':
- return True
-
- def check_block_entry(self):
-
- # BLOCK-ENTRY: '-' (' '|'\n')
- return self.peek(1) in u'\0 \t\r\n\x85\u2028\u2029'
-
- def check_key(self):
-
- # KEY(flow context): '?'
- if self.flow_level:
- return True
-
- # KEY(block context): '?' (' '|'\n')
- else:
- return self.peek(1) in u'\0 \t\r\n\x85\u2028\u2029'
-
- def check_value(self):
-
- # VALUE(flow context): ':'
- if self.flow_level:
- return True
-
- # VALUE(block context): ':' (' '|'\n')
- else:
- return self.peek(1) in u'\0 \t\r\n\x85\u2028\u2029'
-
- def check_plain(self):
-
- # A plain scalar may start with any non-space character except:
- # '-', '?', ':', ',', '[', ']', '{', '}',
- # '#', '&', '*', '!', '|', '>', '\'', '\"',
- # '%', '@', '`'.
- #
- # It may also start with
- # '-', '?', ':'
- # if it is followed by a non-space character.
- #
- # Note that we limit the last rule to the block context (except the
- # '-' character) because we want the flow context to be space
- # independent.
- ch = self.peek()
- return ch not in u'\0 \t\r\n\x85\u2028\u2029-?:,[]{}#&*!|>\'\"%@`' \
- or (self.peek(1) not in u'\0 \t\r\n\x85\u2028\u2029'
- and (ch == u'-' or (not self.flow_level and ch in u'?:')))
-
- # Scanners.
-
- def scan_to_next_token(self):
- # We ignore spaces, line breaks and comments.
- # If we find a line break in the block context, we set the flag
- # `allow_simple_key` on.
- # The byte order mark is stripped if it's the first character in the
- # stream. We do not yet support BOM inside the stream as the
- # specification requires. Any such mark will be considered as a part
- # of the document.
- #
- # TODO: We need to make tab handling rules more sane. A good rule is
- # Tabs cannot precede tokens
- # BLOCK-SEQUENCE-START, BLOCK-MAPPING-START, BLOCK-END,
- # KEY(block), VALUE(block), BLOCK-ENTRY
- # So the checking code is
- # if <TAB>:
- # self.allow_simple_keys = False
- # We also need to add the check for `allow_simple_keys == True` to
- # `unwind_indent` before issuing BLOCK-END.
- # Scanners for block, flow, and plain scalars need to be modified.
-
- if self.index == 0 and self.peek() == u'\uFEFF':
- self.forward()
- found = False
- while not found:
- while self.peek() == u' ':
- self.forward()
- if self.peek() == u'#':
- while self.peek() not in u'\0\r\n\x85\u2028\u2029':
- self.forward()
- if self.scan_line_break():
- if not self.flow_level:
- self.allow_simple_key = True
- else:
- found = True
-
- def scan_directive(self):
- # See the specification for details.
- start_mark = self.get_mark()
- self.forward()
- name = self.scan_directive_name(start_mark)
- value = None
- if name == u'YAML':
- value = self.scan_yaml_directive_value(start_mark)
- end_mark = self.get_mark()
- elif name == u'TAG':
- value = self.scan_tag_directive_value(start_mark)
- end_mark = self.get_mark()
- else:
- end_mark = self.get_mark()
- while self.peek() not in u'\0\r\n\x85\u2028\u2029':
- self.forward()
- self.scan_directive_ignored_line(start_mark)
- return DirectiveToken(name, value, start_mark, end_mark)
-
- def scan_directive_name(self, start_mark):
- # See the specification for details.
- length = 0
- ch = self.peek(length)
- while u'0' <= ch <= u'9' or u'A' <= ch <= 'Z' or u'a' <= ch <= 'z' \
- or ch in u'-_':
- length += 1
- ch = self.peek(length)
- if not length:
- raise ScannerError("while scanning a directive", start_mark,
- "expected alphabetic or numeric character, but found %r"
- % ch.encode('utf-8'), self.get_mark())
- value = self.prefix(length)
- self.forward(length)
- ch = self.peek()
- if ch not in u'\0 \r\n\x85\u2028\u2029':
- raise ScannerError("while scanning a directive", start_mark,
- "expected alphabetic or numeric character, but found %r"
- % ch.encode('utf-8'), self.get_mark())
- return value
-
- def scan_yaml_directive_value(self, start_mark):
- # See the specification for details.
- while self.peek() == u' ':
- self.forward()
- major = self.scan_yaml_directive_number(start_mark)
- if self.peek() != '.':
- raise ScannerError("while scanning a directive", start_mark,
- "expected a digit or '.', but found %r"
- % self.peek().encode('utf-8'),
- self.get_mark())
- self.forward()
- minor = self.scan_yaml_directive_number(start_mark)
- if self.peek() not in u'\0 \r\n\x85\u2028\u2029':
- raise ScannerError("while scanning a directive", start_mark,
- "expected a digit or ' ', but found %r"
- % self.peek().encode('utf-8'),
- self.get_mark())
- return (major, minor)
-
- def scan_yaml_directive_number(self, start_mark):
- # See the specification for details.
- ch = self.peek()
- if not (u'0' <= ch <= '9'):
- raise ScannerError("while scanning a directive", start_mark,
- "expected a digit, but found %r" % ch.encode('utf-8'),
- self.get_mark())
- length = 0
- while u'0' <= self.peek(length) <= u'9':
- length += 1
- value = int(self.prefix(length))
- self.forward(length)
- return value
-
- def scan_tag_directive_value(self, start_mark):
- # See the specification for details.
- while self.peek() == u' ':
- self.forward()
- handle = self.scan_tag_directive_handle(start_mark)
- while self.peek() == u' ':
- self.forward()
- prefix = self.scan_tag_directive_prefix(start_mark)
- return (handle, prefix)
-
- def scan_tag_directive_handle(self, start_mark):
- # See the specification for details.
- value = self.scan_tag_handle('directive', start_mark)
- ch = self.peek()
- if ch != u' ':
- raise ScannerError("while scanning a directive", start_mark,
- "expected ' ', but found %r" % ch.encode('utf-8'),
- self.get_mark())
- return value
-
- def scan_tag_directive_prefix(self, start_mark):
- # See the specification for details.
- value = self.scan_tag_uri('directive', start_mark)
- ch = self.peek()
- if ch not in u'\0 \r\n\x85\u2028\u2029':
- raise ScannerError("while scanning a directive", start_mark,
- "expected ' ', but found %r" % ch.encode('utf-8'),
- self.get_mark())
- return value
-
- def scan_directive_ignored_line(self, start_mark):
- # See the specification for details.
- while self.peek() == u' ':
- self.forward()
- if self.peek() == u'#':
- while self.peek() not in u'\0\r\n\x85\u2028\u2029':
- self.forward()
- ch = self.peek()
- if ch not in u'\0\r\n\x85\u2028\u2029':
- raise ScannerError("while scanning a directive", start_mark,
- "expected a comment or a line break, but found %r"
- % ch.encode('utf-8'), self.get_mark())
- self.scan_line_break()
-
- def scan_anchor(self, TokenClass):
- # The specification does not restrict characters for anchors and
- # aliases. This may lead to problems, for instance, the document:
- # [ *alias, value ]
- # can be interpteted in two ways, as
- # [ "value" ]
- # and
- # [ *alias , "value" ]
- # Therefore we restrict aliases to numbers and ASCII letters.
- start_mark = self.get_mark()
- indicator = self.peek()
- if indicator == '*':
- name = 'alias'
- else:
- name = 'anchor'
- self.forward()
- length = 0
- ch = self.peek(length)
- while u'0' <= ch <= u'9' or u'A' <= ch <= 'Z' or u'a' <= ch <= 'z' \
- or ch in u'-_':
- length += 1
- ch = self.peek(length)
- if not length:
- raise ScannerError("while scanning an %s" % name, start_mark,
- "expected alphabetic or numeric character, but found %r"
- % ch.encode('utf-8'), self.get_mark())
- value = self.prefix(length)
- self.forward(length)
- ch = self.peek()
- if ch not in u'\0 \t\r\n\x85\u2028\u2029?:,]}%@`':
- raise ScannerError("while scanning an %s" % name, start_mark,
- "expected alphabetic or numeric character, but found %r"
- % ch.encode('utf-8'), self.get_mark())
- end_mark = self.get_mark()
- return TokenClass(value, start_mark, end_mark)
-
- def scan_tag(self):
- # See the specification for details.
- start_mark = self.get_mark()
- ch = self.peek(1)
- if ch == u'<':
- handle = None
- self.forward(2)
- suffix = self.scan_tag_uri('tag', start_mark)
- if self.peek() != u'>':
- raise ScannerError("while parsing a tag", start_mark,
- "expected '>', but found %r" % self.peek().encode('utf-8'),
- self.get_mark())
- self.forward()
- elif ch in u'\0 \t\r\n\x85\u2028\u2029':
- handle = None
- suffix = u'!'
- self.forward()
- else:
- length = 1
- use_handle = False
- while ch not in u'\0 \r\n\x85\u2028\u2029':
- if ch == u'!':
- use_handle = True
- break
- length += 1
- ch = self.peek(length)
- handle = u'!'
- if use_handle:
- handle = self.scan_tag_handle('tag', start_mark)
- else:
- handle = u'!'
- self.forward()
- suffix = self.scan_tag_uri('tag', start_mark)
- ch = self.peek()
- if ch not in u'\0 \r\n\x85\u2028\u2029':
- raise ScannerError("while scanning a tag", start_mark,
- "expected ' ', but found %r" % ch.encode('utf-8'),
- self.get_mark())
- value = (handle, suffix)
- end_mark = self.get_mark()
- return TagToken(value, start_mark, end_mark)
-
- def scan_block_scalar(self, style):
- # See the specification for details.
-
- if style == '>':
- folded = True
- else:
- folded = False
-
- chunks = []
- start_mark = self.get_mark()
-
- # Scan the header.
- self.forward()
- chomping, increment = self.scan_block_scalar_indicators(start_mark)
- self.scan_block_scalar_ignored_line(start_mark)
-
- # Determine the indentation level and go to the first non-empty line.
- min_indent = self.indent+1
- if min_indent < 1:
- min_indent = 1
- if increment is None:
- breaks, max_indent, end_mark = self.scan_block_scalar_indentation()
- indent = max(min_indent, max_indent)
- else:
- indent = min_indent+increment-1
- breaks, end_mark = self.scan_block_scalar_breaks(indent)
- line_break = u''
-
- # Scan the inner part of the block scalar.
- while self.column == indent and self.peek() != u'\0':
- chunks.extend(breaks)
- leading_non_space = self.peek() not in u' \t'
- length = 0
- while self.peek(length) not in u'\0\r\n\x85\u2028\u2029':
- length += 1
- chunks.append(self.prefix(length))
- self.forward(length)
- line_break = self.scan_line_break()
- breaks, end_mark = self.scan_block_scalar_breaks(indent)
- if self.column == indent and self.peek() != u'\0':
-
- # Unfortunately, folding rules are ambiguous.
- #
- # This is the folding according to the specification:
-
- if folded and line_break == u'\n' \
- and leading_non_space and self.peek() not in u' \t':
- if not breaks:
- chunks.append(u' ')
- else:
- chunks.append(line_break)
-
- # This is Clark Evans's interpretation (also in the spec
- # examples):
- #
- #if folded and line_break == u'\n':
- # if not breaks:
- # if self.peek() not in ' \t':
- # chunks.append(u' ')
- # else:
- # chunks.append(line_break)
- #else:
- # chunks.append(line_break)
- else:
- break
-
- # Chomp the tail.
- if chomping is not False:
- chunks.append(line_break)
- if chomping is True:
- chunks.extend(breaks)
-
- # We are done.
- return ScalarToken(u''.join(chunks), False, start_mark, end_mark,
- style)
-
- def scan_block_scalar_indicators(self, start_mark):
- # See the specification for details.
- chomping = None
- increment = None
- ch = self.peek()
- if ch in u'+-':
- if ch == '+':
- chomping = True
- else:
- chomping = False
- self.forward()
- ch = self.peek()
- if ch in u'0123456789':
- increment = int(ch)
- if increment == 0:
- raise ScannerError("while scanning a block scalar", start_mark,
- "expected indentation indicator in the range 1-9, but found 0",
- self.get_mark())
- self.forward()
- elif ch in u'0123456789':
- increment = int(ch)
- if increment == 0:
- raise ScannerError("while scanning a block scalar", start_mark,
- "expected indentation indicator in the range 1-9, but found 0",
- self.get_mark())
- self.forward()
- ch = self.peek()
- if ch in u'+-':
- if ch == '+':
- chomping = True
- else:
- chomping = False
- self.forward()
- ch = self.peek()
- if ch not in u'\0 \r\n\x85\u2028\u2029':
- raise ScannerError("while scanning a block scalar", start_mark,
- "expected chomping or indentation indicators, but found %r"
- % ch.encode('utf-8'), self.get_mark())
- return chomping, increment
-
- def scan_block_scalar_ignored_line(self, start_mark):
- # See the specification for details.
- while self.peek() == u' ':
- self.forward()
- if self.peek() == u'#':
- while self.peek() not in u'\0\r\n\x85\u2028\u2029':
- self.forward()
- ch = self.peek()
- if ch not in u'\0\r\n\x85\u2028\u2029':
- raise ScannerError("while scanning a block scalar", start_mark,
- "expected a comment or a line break, but found %r"
- % ch.encode('utf-8'), self.get_mark())
- self.scan_line_break()
-
- def scan_block_scalar_indentation(self):
- # See the specification for details.
- chunks = []
- max_indent = 0
- end_mark = self.get_mark()
- while self.peek() in u' \r\n\x85\u2028\u2029':
- if self.peek() != u' ':
- chunks.append(self.scan_line_break())
- end_mark = self.get_mark()
- else:
- self.forward()
- if self.column > max_indent:
- max_indent = self.column
- return chunks, max_indent, end_mark
-
- def scan_block_scalar_breaks(self, indent):
- # See the specification for details.
- chunks = []
- end_mark = self.get_mark()
- while self.column < indent and self.peek() == u' ':
- self.forward()
- while self.peek() in u'\r\n\x85\u2028\u2029':
- chunks.append(self.scan_line_break())
- end_mark = self.get_mark()
- while self.column < indent and self.peek() == u' ':
- self.forward()
- return chunks, end_mark
-
- def scan_flow_scalar(self, style):
- # See the specification for details.
- # Note that we loose indentation rules for quoted scalars. Quoted
- # scalars don't need to adhere indentation because " and ' clearly
- # mark the beginning and the end of them. Therefore we are less
- # restrictive then the specification requires. We only need to check
- # that document separators are not included in scalars.
- if style == '"':
- double = True
- else:
- double = False
- chunks = []
- start_mark = self.get_mark()
- quote = self.peek()
- self.forward()
- chunks.extend(self.scan_flow_scalar_non_spaces(double, start_mark))
- while self.peek() != quote:
- chunks.extend(self.scan_flow_scalar_spaces(double, start_mark))
- chunks.extend(self.scan_flow_scalar_non_spaces(double, start_mark))
- self.forward()
- end_mark = self.get_mark()
- return ScalarToken(u''.join(chunks), False, start_mark, end_mark,
- style)
-
- ESCAPE_REPLACEMENTS = {
- u'0': u'\0',
- u'a': u'\x07',
- u'b': u'\x08',
- u't': u'\x09',
- u'\t': u'\x09',
- u'n': u'\x0A',
- u'v': u'\x0B',
- u'f': u'\x0C',
- u'r': u'\x0D',
- u'e': u'\x1B',
- u' ': u'\x20',
- u'\"': u'\"',
- u'\\': u'\\',
- u'N': u'\x85',
- u'_': u'\xA0',
- u'L': u'\u2028',
- u'P': u'\u2029',
- }
-
- ESCAPE_CODES = {
- u'x': 2,
- u'u': 4,
- u'U': 8,
- }
-
- def scan_flow_scalar_non_spaces(self, double, start_mark):
- # See the specification for details.
- chunks = []
- while True:
- length = 0
- while self.peek(length) not in u'\'\"\\\0 \t\r\n\x85\u2028\u2029':
- length += 1
- if length:
- chunks.append(self.prefix(length))
- self.forward(length)
- ch = self.peek()
- if not double and ch == u'\'' and self.peek(1) == u'\'':
- chunks.append(u'\'')
- self.forward(2)
- elif (double and ch == u'\'') or (not double and ch in u'\"\\'):
- chunks.append(ch)
- self.forward()
- elif double and ch == u'\\':
- self.forward()
- ch = self.peek()
- if ch in self.ESCAPE_REPLACEMENTS:
- chunks.append(self.ESCAPE_REPLACEMENTS[ch])
- self.forward()
- elif ch in self.ESCAPE_CODES:
- length = self.ESCAPE_CODES[ch]
- self.forward()
- for k in range(length):
- if self.peek(k) not in u'0123456789ABCDEFabcdef':
- raise ScannerError("while scanning a double-quoted scalar", start_mark,
- "expected escape sequence of %d hexdecimal numbers, but found %r" %
- (length, self.peek(k).encode('utf-8')), self.get_mark())
- code = int(self.prefix(length), 16)
- chunks.append(unichr(code))
- self.forward(length)
- elif ch in u'\r\n\x85\u2028\u2029':
- self.scan_line_break()
- chunks.extend(self.scan_flow_scalar_breaks(double, start_mark))
- else:
- raise ScannerError("while scanning a double-quoted scalar", start_mark,
- "found unknown escape character %r" % ch.encode('utf-8'), self.get_mark())
- else:
- return chunks
-
- def scan_flow_scalar_spaces(self, double, start_mark):
- # See the specification for details.
- chunks = []
- length = 0
- while self.peek(length) in u' \t':
- length += 1
- whitespaces = self.prefix(length)
- self.forward(length)
- ch = self.peek()
- if ch == u'\0':
- raise ScannerError("while scanning a quoted scalar", start_mark,
- "found unexpected end of stream", self.get_mark())
- elif ch in u'\r\n\x85\u2028\u2029':
- line_break = self.scan_line_break()
- breaks = self.scan_flow_scalar_breaks(double, start_mark)
- if line_break != u'\n':
- chunks.append(line_break)
- elif not breaks:
- chunks.append(u' ')
- chunks.extend(breaks)
- else:
- chunks.append(whitespaces)
- return chunks
-
- def scan_flow_scalar_breaks(self, double, start_mark):
- # See the specification for details.
- chunks = []
- while True:
- # Instead of checking indentation, we check for document
- # separators.
- prefix = self.prefix(3)
- if (prefix == u'---' or prefix == u'...') \
- and self.peek(3) in u'\0 \t\r\n\x85\u2028\u2029':
- raise ScannerError("while scanning a quoted scalar", start_mark,
- "found unexpected document separator", self.get_mark())
- while self.peek() in u' \t':
- self.forward()
- if self.peek() in u'\r\n\x85\u2028\u2029':
- chunks.append(self.scan_line_break())
- else:
- return chunks
-
- def scan_plain(self):
- # See the specification for details.
- # We add an additional restriction for the flow context:
- # plain scalars in the flow context cannot contain ',', ':' and '?'.
- # We also keep track of the `allow_simple_key` flag here.
- # Indentation rules are loosed for the flow context.
- chunks = []
- start_mark = self.get_mark()
- end_mark = start_mark
- indent = self.indent+1
- # We allow zero indentation for scalars, but then we need to check for
- # document separators at the beginning of the line.
- #if indent == 0:
- # indent = 1
- spaces = []
- while True:
- length = 0
- if self.peek() == u'#':
- break
- while True:
- ch = self.peek(length)
- if ch in u'\0 \t\r\n\x85\u2028\u2029' \
- or (not self.flow_level and ch == u':' and
- self.peek(length+1) in u'\0 \t\r\n\x28\u2028\u2029') \
- or (self.flow_level and ch in u',:?[]{}'):
- break
- length += 1
- # It's not clear what we should do with ':' in the flow context.
- if (self.flow_level and ch == u':'
- and self.peek(length+1) not in u'\0 \t\r\n\x28\u2028\u2029,[]{}'):
- self.forward(length)
- raise ScannerError("while scanning a plain scalar", start_mark,
- "found unexpected ':'", self.get_mark(),
- "Please check http://pyyaml.org/wiki/YAMLColonInFlowContext for details.")
- if length == 0:
- break
- self.allow_simple_key = False
- chunks.extend(spaces)
- chunks.append(self.prefix(length))
- self.forward(length)
- end_mark = self.get_mark()
- spaces = self.scan_plain_spaces(indent, start_mark)
- if not spaces or self.peek() == u'#' \
- or (not self.flow_level and self.column < indent):
- break
- return ScalarToken(u''.join(chunks), True, start_mark, end_mark)
-
- def scan_plain_spaces(self, indent, start_mark):
- # See the specification for details.
- # The specification is really confusing about tabs in plain scalars.
- # We just forbid them completely. Do not use tabs in YAML!
- chunks = []
- length = 0
- while self.peek(length) in u' ':
- length += 1
- whitespaces = self.prefix(length)
- self.forward(length)
- ch = self.peek()
- if ch in u'\r\n\x85\u2028\u2029':
- line_break = self.scan_line_break()
- self.allow_simple_key = True
- prefix = self.prefix(3)
- if (prefix == u'---' or prefix == u'...') \
- and self.peek(3) in u'\0 \t\r\n\x85\u2028\u2029':
- return
- breaks = []
- while self.peek() in u' \r\n\x85\u2028\u2029':
- if self.peek() == ' ':
- self.forward()
- else:
- breaks.append(self.scan_line_break())
- prefix = self.prefix(3)
- if (prefix == u'---' or prefix == u'...') \
- and self.peek(3) in u'\0 \t\r\n\x85\u2028\u2029':
- return
- if line_break != u'\n':
- chunks.append(line_break)
- elif not breaks:
- chunks.append(u' ')
- chunks.extend(breaks)
- elif whitespaces:
- chunks.append(whitespaces)
- return chunks
-
- def scan_tag_handle(self, name, start_mark):
- # See the specification for details.
- # For some strange reasons, the specification does not allow '_' in
- # tag handles. I have allowed it anyway.
- ch = self.peek()
- if ch != u'!':
- raise ScannerError("while scanning a %s" % name, start_mark,
- "expected '!', but found %r" % ch.encode('utf-8'),
- self.get_mark())
- length = 1
- ch = self.peek(length)
- if ch != u' ':
- while u'0' <= ch <= u'9' or u'A' <= ch <= 'Z' or u'a' <= ch <= 'z' \
- or ch in u'-_':
- length += 1
- ch = self.peek(length)
- if ch != u'!':
- self.forward(length)
- raise ScannerError("while scanning a %s" % name, start_mark,
- "expected '!', but found %r" % ch.encode('utf-8'),
- self.get_mark())
- length += 1
- value = self.prefix(length)
- self.forward(length)
- return value
-
- def scan_tag_uri(self, name, start_mark):
- # See the specification for details.
- # Note: we do not check if URI is well-formed.
- chunks = []
- length = 0
- ch = self.peek(length)
- while u'0' <= ch <= u'9' or u'A' <= ch <= 'Z' or u'a' <= ch <= 'z' \
- or ch in u'-;/?:@&=+$,_.!~*\'()[]%':
- if ch == u'%':
- chunks.append(self.prefix(length))
- self.forward(length)
- length = 0
- chunks.append(self.scan_uri_escapes(name, start_mark))
- else:
- length += 1
- ch = self.peek(length)
- if length:
- chunks.append(self.prefix(length))
- self.forward(length)
- length = 0
- if not chunks:
- raise ScannerError("while parsing a %s" % name, start_mark,
- "expected URI, but found %r" % ch.encode('utf-8'),
- self.get_mark())
- return u''.join(chunks)
-
- def scan_uri_escapes(self, name, start_mark):
- # See the specification for details.
- bytes = []
- mark = self.get_mark()
- while self.peek() == u'%':
- self.forward()
- for k in range(2):
- if self.peek(k) not in u'0123456789ABCDEFabcdef':
- raise ScannerError("while scanning a %s" % name, start_mark,
- "expected URI escape sequence of 2 hexdecimal numbers, but found %r" %
- (self.peek(k).encode('utf-8')), self.get_mark())
- bytes.append(chr(int(self.prefix(2), 16)))
- self.forward(2)
- try:
- value = unicode(''.join(bytes), 'utf-8')
- except UnicodeDecodeError, exc:
- raise ScannerError("while scanning a %s" % name, start_mark, str(exc), mark)
- return value
-
- def scan_line_break(self):
- # Transforms:
- # '\r\n' : '\n'
- # '\r' : '\n'
- # '\n' : '\n'
- # '\x85' : '\n'
- # '\u2028' : '\u2028'
- # '\u2029 : '\u2029'
- # default : ''
- ch = self.peek()
- if ch in u'\r\n\x85':
- if self.prefix(2) == u'\r\n':
- self.forward(2)
- else:
- self.forward()
- return u'\n'
- elif ch in u'\u2028\u2029':
- self.forward()
- return ch
- return u''
-
-#try:
-# import psyco
-# psyco.bind(Scanner)
-#except ImportError:
-# pass
-
diff --git a/external_libs/python/PyYAML-3.01/lib/yaml/serializer.py b/external_libs/python/PyYAML-3.01/lib/yaml/serializer.py
deleted file mode 100644
index 937be9a9..00000000
--- a/external_libs/python/PyYAML-3.01/lib/yaml/serializer.py
+++ /dev/null
@@ -1,121 +0,0 @@
-
-__all__ = ['Serializer', 'SerializerError']
-
-from error import YAMLError
-from events import *
-from nodes import *
-
-class SerializerError(YAMLError):
- pass
-
-class Serializer:
-
- ANCHOR_TEMPLATE = u'id%03d'
-
- def __init__(self, encoding=None,
- explicit_start=None, explicit_end=None, version=None, tags=None):
- self.use_encoding = encoding
- self.use_explicit_start = explicit_start
- self.use_explicit_end = explicit_end
- self.use_version = version
- self.use_tags = tags
- self.serialized_nodes = {}
- self.anchors = {}
- self.last_anchor_id = 0
- self.closed = None
-
- def open(self):
- if self.closed is None:
- self.emit(StreamStartEvent(encoding=self.use_encoding))
- self.closed = False
- elif self.closed:
- raise SerializerError("serializer is closed")
- else:
- raise SerializerError("serializer is already opened")
-
- def close(self):
- if self.closed is None:
- raise SerializerError("serializer is not opened")
- elif not self.closed:
- self.emit(StreamEndEvent())
- self.closed = True
-
- #def __del__(self):
- # self.close()
-
- def serialize(self, node):
- if self.closed is None:
- raise SerializerError("serializer is not opened")
- elif self.closed:
- raise SerializerError("serializer is closed")
- self.emit(DocumentStartEvent(explicit=self.use_explicit_start,
- version=self.use_version, tags=self.use_tags))
- self.anchor_node(node)
- self.serialize_node(node, None, None)
- self.emit(DocumentEndEvent(explicit=self.use_explicit_end))
- self.serialized_nodes = {}
- self.anchors = {}
- self.last_alias_id = 0
-
- def anchor_node(self, node):
- if node in self.anchors:
- if self.anchors[node] is None:
- self.anchors[node] = self.generate_anchor(node)
- else:
- self.anchors[node] = None
- if isinstance(node, SequenceNode):
- for item in node.value:
- self.anchor_node(item)
- elif isinstance(node, MappingNode):
- if hasattr(node.value, 'keys'):
- for key in node.value.keys():
- self.anchor_node(key)
- self.anchor_node(node.value[key])
- else:
- for key, value in node.value:
- self.anchor_node(key)
- self.anchor_node(value)
-
- def generate_anchor(self, node):
- self.last_anchor_id += 1
- return self.ANCHOR_TEMPLATE % self.last_anchor_id
-
- def serialize_node(self, node, parent, index):
- alias = self.anchors[node]
- if node in self.serialized_nodes:
- self.emit(AliasEvent(alias))
- else:
- self.serialized_nodes[node] = True
- self.descend_resolver(parent, index)
- if isinstance(node, ScalarNode):
- detected_tag = self.resolve(ScalarNode, node.value, (True, False))
- default_tag = self.resolve(ScalarNode, node.value, (False, True))
- implicit = (node.tag == detected_tag), (node.tag == default_tag)
- self.emit(ScalarEvent(alias, node.tag, implicit, node.value,
- style=node.style))
- elif isinstance(node, SequenceNode):
- implicit = (node.tag
- == self.resolve(SequenceNode, node.value, True))
- self.emit(SequenceStartEvent(alias, node.tag, implicit,
- flow_style=node.flow_style))
- index = 0
- for item in node.value:
- self.serialize_node(item, node, index)
- index += 1
- self.emit(SequenceEndEvent())
- elif isinstance(node, MappingNode):
- implicit = (node.tag
- == self.resolve(MappingNode, node.value, True))
- self.emit(MappingStartEvent(alias, node.tag, implicit,
- flow_style=node.flow_style))
- if hasattr(node.value, 'keys'):
- for key in node.value.keys():
- self.serialize_node(key, node, None)
- self.serialize_node(node.value[key], node, key)
- else:
- for key, value in node.value:
- self.serialize_node(key, node, None)
- self.serialize_node(value, node, key)
- self.emit(MappingEndEvent())
- self.ascend_resolver()
-
diff --git a/external_libs/python/PyYAML-3.01/lib/yaml/tokens.py b/external_libs/python/PyYAML-3.01/lib/yaml/tokens.py
deleted file mode 100644
index 4fe4522e..00000000
--- a/external_libs/python/PyYAML-3.01/lib/yaml/tokens.py
+++ /dev/null
@@ -1,104 +0,0 @@
-
-class Token:
- def __init__(self, start_mark, end_mark):
- self.start_mark = start_mark
- self.end_mark = end_mark
- def __repr__(self):
- attributes = [key for key in self.__dict__
- if not key.endswith('_mark')]
- attributes.sort()
- arguments = ', '.join(['%s=%r' % (key, getattr(self, key))
- for key in attributes])
- return '%s(%s)' % (self.__class__.__name__, arguments)
-
-#class BOMToken(Token):
-# id = '<byte order mark>'
-
-class DirectiveToken(Token):
- id = '<directive>'
- def __init__(self, name, value, start_mark, end_mark):
- self.name = name
- self.value = value
- self.start_mark = start_mark
- self.end_mark = end_mark
-
-class DocumentStartToken(Token):
- id = '<document start>'
-
-class DocumentEndToken(Token):
- id = '<document end>'
-
-class StreamStartToken(Token):
- id = '<stream start>'
- def __init__(self, start_mark=None, end_mark=None,
- encoding=None):
- self.start_mark = start_mark
- self.end_mark = end_mark
- self.encoding = encoding
-
-class StreamEndToken(Token):
- id = '<stream end>'
-
-class BlockSequenceStartToken(Token):
- id = '<block sequence start>'
-
-class BlockMappingStartToken(Token):
- id = '<block mapping start>'
-
-class BlockEndToken(Token):
- id = '<block end>'
-
-class FlowSequenceStartToken(Token):
- id = '['
-
-class FlowMappingStartToken(Token):
- id = '{'
-
-class FlowSequenceEndToken(Token):
- id = ']'
-
-class FlowMappingEndToken(Token):
- id = '}'
-
-class KeyToken(Token):
- id = '?'
-
-class ValueToken(Token):
- id = ':'
-
-class BlockEntryToken(Token):
- id = '-'
-
-class FlowEntryToken(Token):
- id = ','
-
-class AliasToken(Token):
- id = '<alias>'
- def __init__(self, value, start_mark, end_mark):
- self.value = value
- self.start_mark = start_mark
- self.end_mark = end_mark
-
-class AnchorToken(Token):
- id = '<anchor>'
- def __init__(self, value, start_mark, end_mark):
- self.value = value
- self.start_mark = start_mark
- self.end_mark = end_mark
-
-class TagToken(Token):
- id = '<tag>'
- def __init__(self, value, start_mark, end_mark):
- self.value = value
- self.start_mark = start_mark
- self.end_mark = end_mark
-
-class ScalarToken(Token):
- id = '<scalar>'
- def __init__(self, value, plain, start_mark, end_mark, style=None):
- self.value = value
- self.plain = plain
- self.start_mark = start_mark
- self.end_mark = end_mark
- self.style = style
-
--
cgit