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'''
Define all error types used in yaml_tools.
All errors must inherit from YAMLTestError.
'''
from __future__ import print_function, division, unicode_literals
class YAMLTestError(Exception):
"""Base class for all other errors."""
class ConfigContextError(YAMLTestError):
def __init__(self, path):
spath = '.'.join(path)
msg = ('Tried to enter a None context in the config tree at {}'
.format(spath))
super(ConfigContextError, self).__init__(msg)
class NoYAMLSupportError(YAMLTestError):
"""Raised when Yaml library is not installed."""
###############################################################################
class ConfigParserError(YAMLTestError):
pass
class UnknownParamError(ConfigParserError):
def __init__(self, cons, param):
msg = ('Encounterd an unknown parameter name "{}"'
' when registering constraint "{}".')
super(UnknownParamError, self).__init__(msg.format(param, cons))
class AlreadyRegisteredTagError(ConfigParserError):
def __init__(self, tag):
msg = 'Attempt to register {} twice.'
super(ConfigParserError, self).__init__(msg.format(tag))
###############################################################################
class ConfigError(YAMLTestError):
pass
class ValueTypeError(TypeError, ConfigError):
def __init__(self, name, exp, found):
msg = ('The value found in config does not match the type expected for'
' {}. Expected {} and found {} of type {}.')
super(TypeError, self).__init__(msg.format(name, exp, found, type(found)))
class InvalidNodeError(ConfigError):
def __init__(self, name, value):
msg = ('The node labeled {} is not a known parameter or constraint and'
' have not the form of a specialisation. Value: {}')
super(InvalidNodeError, self).__init__(msg.format(name, value))
class EmptySetError(ConfigError):
def __init__(self, obj):
msg = 'User tried to create an empty set with {}.'
super(EmptySetError, self).__init__(msg.format(obj))
class NotOrderedOverlappingSetError(ConfigError):
def __init__(self, set1, set2):
msg = '{} and {} are overlapping but cannot be ordered.'
super(NotOrderedOverlappingSetError, self).__init__(msg.format(set1,
set2))
class IllegalFilterNameError(ConfigError):
def __init__(self, name):
msg = '{} is a reserved name, you cannot use it as a filter name.'
super(IllegalFilterNameError, self).__init__(msg.format(name))
class MissingCallbackError(ConfigError):
def __init__(self, obj, method):
msg = '{} does not expose a {} method.'.format(obj, method)
super(MissingCallbackError, self).__init__(msg)
###############################################################################
class InputFileError(YAMLTestError):
def __init__(self, line, msg):
msg = 'In input file at line {}:\n{}'.format(line, msg)
super(InputFileError, self).__init__(self, msg)
class NoIteratorDefinedError(InputFileError):
def __init__(self, doc):
msg = ('No iterator have been found before the first document {}.'
.format(doc.obj))
super(NoIteratorDefinedError, self).__init__(doc.start + 1, msg)
class NotAvailableTagError(InputFileError):
def __init__(self, tag, msg):
msg = ('Tag {} is not available in this installation : {}'
.format(tag, msg))
YAMLTestError.__init__(msg)
class UntaggedDocumentError(InputFileError):
def __init__(self, line):
msg = ('This document does not have a tag. It cannot be identified.')
super(UntaggedDocumentError, self).__init__(line, msg)
class TagMismatchError(InputFileError):
def __init__(self, line, expected, found):
msg = ('This was supposed to be tagged {} but it was {}.'
.format(expected, found))
super(TagMismatchError, self).__init__(line, msg)
class DuplicateDocumentError(InputFileError):
def __init__(self, line, id):
msg = ('There are two document with the same tag and iteration'
' state ({}). Please change the tag of one of them to make it'
' unique.').format(id)
super(DuplicateDocumentError, self).__init__(line, msg)
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