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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 20:19:53 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 20:19:53 +0000
commite7ee850d46d54789979bf0c5244bae1825fb7149 (patch)
tree6e94ed55df9ec749682a3c792ce752d07892b968 /lib/ruyaml/events.py
parentInitial commit. (diff)
downloadpython-ruyaml-e7ee850d46d54789979bf0c5244bae1825fb7149.tar.xz
python-ruyaml-e7ee850d46d54789979bf0c5244bae1825fb7149.zip
Adding upstream version 0.91.0.upstream/0.91.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/ruyaml/events.py')
-rw-r--r--lib/ruyaml/events.py201
1 files changed, 201 insertions, 0 deletions
diff --git a/lib/ruyaml/events.py b/lib/ruyaml/events.py
new file mode 100644
index 0000000..558d2db
--- /dev/null
+++ b/lib/ruyaml/events.py
@@ -0,0 +1,201 @@
+# coding: utf-8
+
+from ruyaml.compat import _F
+
+# Abstract classes.
+
+if False: # MYPY
+ from typing import Any, Dict, List, Optional # NOQA
+
+SHOW_LINES = False
+
+
+def CommentCheck():
+ # type: () -> None
+ pass
+
+
+class Event:
+ __slots__ = 'start_mark', 'end_mark', 'comment'
+
+ def __init__(self, start_mark=None, end_mark=None, comment=CommentCheck):
+ # type: (Any, Any, Any) -> 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):
+ # type: () -> 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)) # type: ignore
+ 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}', key=key, v=v))
+ if self.comment not in [None, CommentCheck]:
+ arguments.append('comment={!r}'.format(self.comment))
+ if SHOW_LINES:
+ arguments.append(
+ '({}:{}/{}:{})'.format(
+ self.start_mark.line, # type: ignore
+ self.start_mark.column, # type: ignore
+ self.end_mark.line, # type: ignore
+ self.end_mark.column, # type: ignore
+ )
+ )
+ 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('{k!s}={attr!r}', k=key, attr=getattr(self, key))
+ for key in attributes
+ ]
+ )
+ if self.comment not in [None, CommentCheck]:
+ arguments += ', comment={!r}'.format(self.comment)
+ return _F(
+ '{self_class_name!s}({arguments!s})',
+ self_class_name=self.__class__.__name__,
+ arguments=arguments,
+ )
+
+
+class NodeEvent(Event):
+ __slots__ = ('anchor',)
+
+ def __init__(self, anchor, start_mark=None, end_mark=None, comment=None):
+ # type: (Any, Any, Any, Any) -> 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,
+ tag,
+ implicit,
+ start_mark=None,
+ end_mark=None,
+ flow_style=None,
+ comment=None,
+ nr_items=None,
+ ):
+ # type: (Any, Any, Any, Any, Any, Any, Any, Optional[int]) -> 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=None, end_mark=None, encoding=None, comment=None):
+ # type: (Any, Any, Any, Any) -> 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=None,
+ end_mark=None,
+ explicit=None,
+ version=None,
+ tags=None,
+ comment=None,
+ ):
+ # type: (Any, Any, Any, Any, Any, Any) -> 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=None, end_mark=None, explicit=None, comment=None):
+ # type: (Any, Any, Any, Any) -> None
+ Event.__init__(self, start_mark, end_mark, comment)
+ self.explicit = explicit
+
+
+class AliasEvent(NodeEvent):
+ __slots__ = 'style'
+
+ def __init__(
+ self, anchor, start_mark=None, end_mark=None, style=None, comment=None
+ ):
+ # type: (Any, Any, Any, Any, Any) -> 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,
+ tag,
+ implicit,
+ value,
+ start_mark=None,
+ end_mark=None,
+ style=None,
+ comment=None,
+ ):
+ # type: (Any, Any, Any, Any, Any, Any, Any, Any) -> 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__ = ()