def add_path_resolver(tag, path, kind=None, Loader=None, Dumper=None,
resolver=Resolver):
# type: (Any, Any, Any, Any, Any, Any) -> None
"""
Add a path based resolver for the given tag.
A path is a list of keys that forms a path
to a node in the representation tree.
Keys can be string values, integers, or None.
"""
if Loader is None and Dumper is None:
resolver.add_path_resolver(tag, path, kind)
return
if Loader:
if hasattr(Loader, 'add_path_resolver'):
Loader.add_path_resolver(tag, path, kind)
elif issubclass(Loader, (BaseLoader, SafeLoader, google.appengine._internal.ruamel.yaml.loader.Loader,
RoundTripLoader)):
Resolver.add_path_resolver(tag, path, kind)
else:
raise NotImplementedError
if Dumper:
if hasattr(Dumper, 'add_path_resolver'):
Dumper.add_path_resolver(tag, path, kind)
elif issubclass(Dumper, (BaseDumper, SafeDumper, google.appengine._internal.ruamel.yaml.dumper.Dumper,
RoundTripDumper)):
Resolver.add_path_resolver(tag, path, kind)
else:
raise NotImplementedError
def add_implicit_resolver(tag, regexp, first=None, Loader=None, Dumper=None,
resolver=Resolver):
# type: (Any, Any, Any, Any, Any, Any) -> None
"""
Add an implicit scalar detector.
If an implicit scalar value matches the given regexp,
the corresponding tag is assigned to the scalar.
first is a sequence of possible initial characters or None.
"""
if Loader is None and Dumper is None:
resolver.add_implicit_resolver(tag, regexp, first)
return
if Loader:
if hasattr(Loader, 'add_implicit_resolver'):
Loader.add_implicit_resolver(tag, regexp, first)
elif issubclass(Loader, (BaseLoader, SafeLoader, google.appengine._internal.ruamel.yaml.loader.Loader,
RoundTripLoader)):
Resolver.add_implicit_resolver(tag, regexp, first)
else:
raise NotImplementedError
if Dumper:
if hasattr(Dumper, 'add_implicit_resolver'):
Dumper.add_implicit_resolver(tag, regexp, first)
elif issubclass(Dumper, (BaseDumper, SafeDumper, google.appengine._internal.ruamel.yaml.dumper.Dumper,
RoundTripDumper)):
Resolver.add_implicit_resolver(tag, regexp, first)
else:
raise NotImplementedError
def dump_all(documents, stream=None, Dumper=Dumper,
default_style=None, default_flow_style=None,
canonical=None, indent=None, width=None,
allow_unicode=None, line_break=None,
encoding=enc, explicit_start=None, explicit_end=None,
version=None, tags=None, block_seq_indent=None,
top_level_colon_align=None, prefix_colon=None):
# type: (Any, StreamType, Any, Any, Any, bool, Union[None, int], Union[None, int], bool, Any, Any, Union[None, bool], Union[None, bool], Any, Any, Any, Any, Any) -> Union[None, str] # NOQA
"""
Serialize a sequence of Python objects into a YAML stream.
If stream is None, return the produced string instead.
"""
getvalue = None
if top_level_colon_align is True:
top_level_colon_align = max([len(str(x)) for x in documents[0]])
if stream is None:
if encoding is None:
stream = StringIO()
else:
stream = BytesIO()
getvalue = stream.getvalue
dumper = Dumper(stream, default_style=default_style,
default_flow_style=default_flow_style,
canonical=canonical, indent=indent, width=width,
allow_unicode=allow_unicode, line_break=line_break,
encoding=encoding, explicit_start=explicit_start,
explicit_end=explicit_end, version=version,
tags=tags, block_seq_indent=block_seq_indent,
top_level_colon_align=top_level_colon_align, prefix_colon=prefix_colon,
)
try:
dumper._serializer.open()
for data in documents:
try:
dumper._representer.represent(data)
except AttributeError:
# print(dir(dumper._representer))
raise
dumper._serializer.close()
finally:
try:
dumper._emitter.dispose()
except AttributeError:
raise
dumper.dispose() # cyaml
if getvalue is not None:
return getvalue()
return None
def serialize_all(nodes, stream=None, Dumper=Dumper,
canonical=None, indent=None, width=None,
allow_unicode=None, line_break=None,
encoding=enc, explicit_start=None, explicit_end=None,
version=None, tags=None):
# type: (Any, StreamType, Any, Any, Union[None, int], Union[None, int], bool, Any, Any, Union[None, bool], Union[None, bool], VersionType, Any) -> Any # NOQA
"""
Serialize a sequence of representation trees into a YAML stream.
If stream is None, return the produced string instead.
"""
getvalue = None
if stream is None:
if encoding is None:
stream = StringIO()
else:
stream = BytesIO()
getvalue = stream.getvalue
dumper = Dumper(stream, canonical=canonical, indent=indent, width=width,
allow_unicode=allow_unicode, line_break=line_break,
encoding=encoding, version=version, tags=tags,
explicit_start=explicit_start, explicit_end=explicit_end)
try:
dumper._serializer.open()
for node in nodes:
dumper.serialize(node)
dumper._serializer.close()
finally:
try:
dumper._emitter.dispose()
except AttributeError:
raise
dumper.dispose() # cyaml
if getvalue is not None:
return getvalue()
def emit(events, stream=None, Dumper=Dumper,
canonical=None, indent=None, width=None,
allow_unicode=None, line_break=None):
# type: (Any, StreamType, Any, bool, Union[int, None], int, bool, Any) -> Any
"""
Emit YAML parsing events into a stream.
If stream is None, return the produced string instead.
"""
getvalue = None
if stream is None:
stream = StringIO()
getvalue = stream.getvalue
dumper = Dumper(stream, canonical=canonical, indent=indent, width=width,
allow_unicode=allow_unicode, line_break=line_break)
try:
for event in events:
dumper.emit(event)
finally:
try:
dumper._emitter.dispose()
except AttributeError:
raise
dumper.dispose() # cyaml
if getvalue is not None:
return getvalue()
def add_multi_representer(data_type, multi_representer, Dumper=None, representer=Representer):
# type: (Any, Any, Any, Any) -> None
"""
Add a representer for the given type.
multi_representer is a function accepting a Dumper instance
and an instance of the given data type or subtype
and producing the corresponding representation node.
"""
if Dumper is None:
representer.add_multi_representer(data_type, multi_representer)
else:
if hasattr(Dumper, 'add_multi_representer'):
Dumper.add_multi_representer(data_type, multi_representer)
return
if issubclass(Dumper, BaseDumper):
BaseRepresenter.add_multi_representer(data_type, multi_representer)
elif issubclass(Dumper, SafeDumper):
SafeRepresenter.add_multi_representer(data_type, multi_representer)
elif issubclass(Dumper, Dumper):
Representer.add_multi_representer(data_type, multi_representer)
elif issubclass(Dumper, RoundTripDumper):
RoundTripRepresenter.add_multi_representer(data_type, multi_representer)
else:
raise NotImplementedError