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author | 2015-08-26 15:33:20 +0300 | |
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committer | 2015-08-26 15:33:20 +0300 | |
commit | f15923902c4259978b952ed4b6aef2db4c9f430b (patch) | |
tree | 27e26627964bab4bd020e696a6d6f71d77515d04 /external_libs/python/PyYAML-3.01/lib/yaml/composer.py | |
parent | fc46f2618332037a8c1b58fbce5d616033bff1c9 (diff) |
remove old python
Diffstat (limited to 'external_libs/python/PyYAML-3.01/lib/yaml/composer.py')
-rw-r--r-- | external_libs/python/PyYAML-3.01/lib/yaml/composer.py | 123 |
1 files changed, 0 insertions, 123 deletions
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 - |