def __init__(self, stream, version=None, preserve_quotes=None):
Reader.__init__(self, stream)
Scanner.__init__(self)
Parser.__init__(self)
Composer.__init__(self)
BaseConstructor.__init__(self)
BaseResolver.__init__(self)
def __init__(self, stream, version=None, preserve_quotes=None):
# type: (StreamTextType, VersionType, bool) -> None
Reader.__init__(self, stream, loader=self)
Scanner.__init__(self, loader=self)
Parser.__init__(self, loader=self)
Composer.__init__(self, loader=self)
BaseConstructor.__init__(self, loader=self)
VersionedResolver.__init__(self, version, loader=self)
def __init__(self, stream, version=None, preserve_quotes=None):
# type: (StreamTextType, Optional[VersionType], Optional[bool]) -> None
self.comment_handling = None
Reader.__init__(self, stream, loader=self)
Scanner.__init__(self, loader=self)
Parser.__init__(self, loader=self)
Composer.__init__(self, loader=self)
BaseConstructor.__init__(self, loader=self)
VersionedResolver.__init__(self, version, loader=self)
def add_constructor(tag, object_constructor, Loader=None, constructor=Constructor):
# type: (Any, Any, Any, Any) -> None
"""
Add an object constructor for the given tag.
object_onstructor is a function that accepts a Loader instance
and a node object and produces the corresponding Python object.
"""
if Loader is None:
constructor.add_constructor(tag, object_constructor)
else:
if hasattr(Loader, 'add_constructor'):
Loader.add_constructor(tag, object_constructor)
return
if issubclass(Loader, BaseLoader):
BaseConstructor.add_constructor(tag, object_constructor)
elif issubclass(Loader, SafeLoader):
SafeConstructor.add_constructor(tag, object_constructor)
elif issubclass(Loader, Loader):
Constructor.add_constructor(tag, object_constructor)
elif issubclass(Loader, RoundTripLoader):
RoundTripConstructor.add_constructor(tag, object_constructor)
else:
raise NotImplementedError
def env_var_constructor(loader: BaseConstructor, node: ScalarNode) -> Text:
"""Process environment variables found in the YAML."""
value = loader.construct_scalar(node)
expanded_vars = os.path.expandvars(value)
not_expanded = [
w for w in expanded_vars.split()
if w.startswith("$") and w in value
]
if not_expanded:
raise RasaException(
f"Error when trying to expand the environment variables in '{value}'. "
f"Please make sure to also set these environment variables: '{not_expanded}'."
)
return expanded_vars
def __init__(self, stream, version=None, preserve_quotes=None):
CParser.__init__(self, stream)
BaseConstructor.__init__(self)
BaseResolver.__init__(self)
def __init__(self, stream, version=None, preserve_quotes=None):
# type: (StreamTextType, Optional[VersionType], Optional[bool]) -> None
CParser.__init__(self, stream)
self._parser = self._composer = self
BaseConstructor.__init__(self, loader=self)
BaseResolver.__init__(self, loadumper=self)
def __init__(self, stream, version=None, preserve_quotes=None):
CParser.__init__(self, stream)
BaseConstructor.__init__(self)
BaseResolver.__init__(self)
