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|
from __future__ import annotations
import sys
if False: # MYPY
from typing import Dict, Any, Text, Optional # NOQA
from ruyaml.tag import Tag
class Node:
__slots__ = 'ctag', 'value', 'start_mark', 'end_mark', 'comment', 'anchor'
def __init__(
self,
tag: Any,
value: Any,
start_mark: Any,
end_mark: Any,
comment: Any = None,
anchor: Any = None,
) -> None:
# you can still get a string from the serializer
self.ctag = tag if isinstance(tag, Tag) else Tag(suffix=tag)
self.value = value
self.start_mark = start_mark
self.end_mark = end_mark
self.comment = comment
self.anchor = anchor
@property
def tag(self) -> Optional[str]:
return None if self.ctag is None else str(self.ctag)
@tag.setter
def tag(self, val: Any) -> None:
if isinstance(val, str):
val = Tag(suffix=val)
self.ctag = val
def __repr__(self) -> Any:
value = self.value
# if isinstance(value, list):
# if len(value) == 0:
# value = '<empty>'
# elif len(value) == 1:
# value = '<1 item>'
# else:
# value = f'<{len(value)} items>'
# else:
# if len(value) > 75:
# value = repr(value[:70]+' ... ')
# else:
# value = repr(value)
value = repr(value)
if self.anchor is not None:
return f'{self.__class__.__name__!s}(tag={self.tag!r}, anchor={self.anchor!r}, value={value!s})' # NOQA
return f'{self.__class__.__name__!s}(tag={self.tag!r}, value={value!s})'
def dump(self, indent: int = 0) -> None:
xx = self.__class__.__name__
xi = ' ' * indent
if isinstance(self.value, str):
sys.stdout.write(f'{xi}{xx}(tag={self.tag!r}, value={self.value!r})\n')
if self.comment:
sys.stdout.write(f' {xi}comment: {self.comment})\n')
return
sys.stdout.write(f'{xi}{xx}(tag={self.tag!r})\n')
if self.comment:
sys.stdout.write(f' {xi}comment: {self.comment})\n')
for v in self.value:
if isinstance(v, tuple):
for v1 in v:
v1.dump(indent + 1)
elif isinstance(v, Node):
v.dump(indent + 1)
else:
sys.stdout.write(f'Node value type? {type(v)}\n')
class ScalarNode(Node):
"""
styles:
? -> set() ? key, no value
- -> suppressable null value in set
" -> double quoted
' -> single quoted
| -> literal style
> -> folding style
"""
__slots__ = ('style',)
id = 'scalar'
def __init__(
self,
tag: Any,
value: Any,
start_mark: Any = None,
end_mark: Any = None,
style: Any = None,
comment: Any = None,
anchor: Any = None,
) -> None:
Node.__init__(
self, tag, value, start_mark, end_mark, comment=comment, anchor=anchor
)
self.style = style
class CollectionNode(Node):
__slots__ = ('flow_style',)
def __init__(
self,
tag: Any,
value: Any,
start_mark: Any = None,
end_mark: Any = None,
flow_style: Any = None,
comment: Any = None,
anchor: Any = None,
) -> None:
Node.__init__(self, tag, value, start_mark, end_mark, comment=comment)
self.flow_style = flow_style
self.anchor = anchor
class SequenceNode(CollectionNode):
__slots__ = ()
id = 'sequence'
class MappingNode(CollectionNode):
__slots__ = ('merge',)
id = 'mapping'
def __init__(
self,
tag: Any,
value: Any,
start_mark: Any = None,
end_mark: Any = None,
flow_style: Any = None,
comment: Any = None,
anchor: Any = None,
) -> None:
CollectionNode.__init__(
self,
tag,
value,
start_mark,
end_mark,
flow_style,
comment,
anchor,
)
self.merge = None
|
