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# coding: utf-8
# Abstract classes.
from typing import Any, Dict, Optional, List # NOQA
SHOW_LINES = False
def CommentCheck() -> None:
pass
class Event:
__slots__ = 'start_mark', 'end_mark', 'comment'
def __init__(
self, start_mark: Any = None, end_mark: Any = None, comment: Any = CommentCheck
) -> None:
self.start_mark = start_mark
self.end_mark = end_mark
# assert comment is not CommentCheck
if comment is CommentCheck:
comment = None
self.comment = comment
def __repr__(self) -> Any:
if True:
arguments = []
if hasattr(self, 'value'):
# if you use repr(getattr(self, 'value')) then flake8 complains about
# abuse of getattr with a constant. When you change to self.value
# then mypy throws an error
arguments.append(repr(self.value))
for key in ['anchor', 'tag', 'implicit', 'flow_style', 'style']:
v = getattr(self, key, None)
if v is not None:
arguments.append(f'{key!s}={v!r}')
if self.comment not in [None, CommentCheck]:
arguments.append(f'comment={self.comment!r}')
if SHOW_LINES:
arguments.append(
f'({self.start_mark.line}:{self.start_mark.column}/'
f'{self.end_mark.line}:{self.end_mark.column})'
)
arguments = ', '.join(arguments) # type: ignore
else:
attributes = [
key
for key in ['anchor', 'tag', 'implicit', 'value', 'flow_style', 'style']
if hasattr(self, key)
]
arguments = ', '.join([f'{key!s}={getattr(self, key)!r}' for key in attributes])
if self.comment not in [None, CommentCheck]:
arguments += f', comment={self.comment!r}'
return f'{self.__class__.__name__!s}({arguments!s})'
class NodeEvent(Event):
__slots__ = ('anchor',)
def __init__(
self, anchor: Any, start_mark: Any = None, end_mark: Any = None, comment: Any = None
) -> None:
Event.__init__(self, start_mark, end_mark, comment)
self.anchor = anchor
class CollectionStartEvent(NodeEvent):
__slots__ = 'tag', 'implicit', 'flow_style', 'nr_items'
def __init__(
self,
anchor: Any,
tag: Any,
implicit: Any,
start_mark: Any = None,
end_mark: Any = None,
flow_style: Any = None,
comment: Any = None,
nr_items: Optional[int] = None,
) -> None:
NodeEvent.__init__(self, anchor, start_mark, end_mark, comment)
self.tag = tag
self.implicit = implicit
self.flow_style = flow_style
self.nr_items = nr_items
class CollectionEndEvent(Event):
__slots__ = ()
# Implementations.
class StreamStartEvent(Event):
__slots__ = ('encoding',)
def __init__(
self,
start_mark: Any = None,
end_mark: Any = None,
encoding: Any = None,
comment: Any = None,
) -> None:
Event.__init__(self, start_mark, end_mark, comment)
self.encoding = encoding
class StreamEndEvent(Event):
__slots__ = ()
class DocumentStartEvent(Event):
__slots__ = 'explicit', 'version', 'tags'
def __init__(
self,
start_mark: Any = None,
end_mark: Any = None,
explicit: Any = None,
version: Any = None,
tags: Any = None,
comment: Any = None,
) -> None:
Event.__init__(self, start_mark, end_mark, comment)
self.explicit = explicit
self.version = version
self.tags = tags
class DocumentEndEvent(Event):
__slots__ = ('explicit',)
def __init__(
self,
start_mark: Any = None,
end_mark: Any = None,
explicit: Any = None,
comment: Any = None,
) -> None:
Event.__init__(self, start_mark, end_mark, comment)
self.explicit = explicit
class AliasEvent(NodeEvent):
__slots__ = 'style'
def __init__(
self,
anchor: Any,
start_mark: Any = None,
end_mark: Any = None,
style: Any = None,
comment: Any = None,
) -> None:
NodeEvent.__init__(self, anchor, start_mark, end_mark, comment)
self.style = style
class ScalarEvent(NodeEvent):
__slots__ = 'tag', 'implicit', 'value', 'style'
def __init__(
self,
anchor: Any,
tag: Any,
implicit: Any,
value: Any,
start_mark: Any = None,
end_mark: Any = None,
style: Any = None,
comment: Any = None,
) -> None:
NodeEvent.__init__(self, anchor, start_mark, end_mark, comment)
self.tag = tag
self.implicit = implicit
self.value = value
self.style = style
class SequenceStartEvent(CollectionStartEvent):
__slots__ = ()
class SequenceEndEvent(CollectionEndEvent):
__slots__ = ()
class MappingStartEvent(CollectionStartEvent):
__slots__ = ()
class MappingEndEvent(CollectionEndEvent):
__slots__ = ()
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