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from collections import namedtuple
from utils.text_opts import *
from trex_stl_exceptions import *
import types
RpcCmdData = namedtuple('RpcCmdData', ['method', 'params'])
TupleRC = namedtuple('RCT', ['rc', 'data', 'is_warn'])
class RpcResponseStatus(namedtuple('RpcResponseStatus', ['success', 'id', 'msg'])):
__slots__ = ()
def __str__(self):
return "{id:^3} - {msg} ({stat})".format(id=self.id,
msg=self.msg,
stat="success" if self.success else "fail")
# simple class to represent complex return value
class RC():
def __init__ (self, rc = None, data = None, is_warn = False):
self.rc_list = []
if (rc != None):
self.rc_list.append(TupleRC(rc, data, is_warn))
def __nonzero__ (self):
return self.good()
def add (self, rc):
self.rc_list += rc.rc_list
def good (self):
return all([x.rc for x in self.rc_list])
def bad (self):
return not self.good()
def warn (self):
return any([x.is_warn for x in self.rc_list])
def data (self):
d = [x.data if x.rc else "" for x in self.rc_list]
return (d if len(d) != 1 else d[0])
def err (self):
e = [x.data if not x.rc else "" for x in self.rc_list]
return (e if len(e) != 1 else e[0])
def __str__ (self):
s = ""
for x in self.rc_list:
if x.data:
s += format_text("\n{0}".format(x.data), 'bold')
return s
def __iter__(self):
return self.rc_list.__iter__()
def prn_func (self, msg, newline = True):
if newline:
print msg
else:
print msg,
def annotate (self, log_func = None, desc = None, show_status = True):
if not log_func:
log_func = self.prn_func
if desc:
log_func(format_text('\n{:<60}'.format(desc), 'bold'), newline = False)
else:
log_func("")
if self.bad():
# print all the errors
print ""
for x in self.rc_list:
if not x.rc:
log_func(format_text("\n{0}".format(x.data), 'bold'))
print ""
if show_status:
log_func(format_text("[FAILED]\n", 'red', 'bold'))
else:
if show_status:
log_func(format_text("[SUCCESS]\n", 'green', 'bold'))
def RC_OK(data = ""):
return RC(True, data)
def RC_ERR (err):
return RC(False, err)
def RC_WARN (warn):
return RC(True, warn, is_warn = True)
# validate type of arg
# example1: validate_type('somearg', somearg, [int, long])
# example2: validate_type('another_arg', another_arg, str)
def validate_type(arg_name, arg, valid_types):
if type(valid_types) is list:
valid_types = tuple(valid_types)
if (type(valid_types) is type or # single type, not array of types
type(valid_types) is tuple or # several valid types as tuple
type(valid_types) is types.ClassType): # old style class
if isinstance(arg, valid_types):
return
raise STLTypeError(arg_name, type(arg), valid_types)
else:
raise STLError('validate_type: valid_types should be type or list or tuple of types')
# throws STLError if not exactly one argument is present
def verify_exclusive_arg (args_list):
if not (len(filter(lambda x: x is not None, args_list)) == 1):
raise STLError('exactly one parameter from {0} should be provided'.format(args_list))
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