spack/lib/spack/external/_vendoring/ruamel/yaml/cyaml.py

# coding: utf-8

from _ruamel_yaml import CParser, CEmitter  # type: ignore

from ruamel.yaml.constructor import Constructor, BaseConstructor, SafeConstructor
from ruamel.yaml.representer import Representer, SafeRepresenter, BaseRepresenter
from ruamel.yaml.resolver import Resolver, BaseResolver

if False:  # MYPY
    from typing import Any, Union, Optional  # NOQA
    from ruamel.yaml.compat import StreamTextType, StreamType, VersionType  # NOQA

__all__ = ['CBaseLoader', 'CSafeLoader', 'CLoader', 'CBaseDumper', 'CSafeDumper', 'CDumper']


# this includes some hacks to solve the  usage of resolver by lower level
# parts of the parser


class CBaseLoader(CParser, BaseConstructor, BaseResolver):  # type: ignore
    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)
        # self.descend_resolver = self._resolver.descend_resolver
        # self.ascend_resolver = self._resolver.ascend_resolver
        # self.resolve = self._resolver.resolve


class CSafeLoader(CParser, SafeConstructor, Resolver):  # type: ignore
    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
        SafeConstructor.__init__(self, loader=self)
        Resolver.__init__(self, loadumper=self)
        # self.descend_resolver = self._resolver.descend_resolver
        # self.ascend_resolver = self._resolver.ascend_resolver
        # self.resolve = self._resolver.resolve


class CLoader(CParser, Constructor, Resolver):  # type: ignore
    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
        Constructor.__init__(self, loader=self)
        Resolver.__init__(self, loadumper=self)
        # self.descend_resolver = self._resolver.descend_resolver
        # self.ascend_resolver = self._resolver.ascend_resolver
        # self.resolve = self._resolver.resolve


class CBaseDumper(CEmitter, BaseRepresenter, BaseResolver):  # type: ignore
    def __init__(
        self,
        stream,
        default_style=None,
        default_flow_style=None,
        canonical=None,
        indent=None,
        width=None,
        allow_unicode=None,
        line_break=None,
        encoding=None,
        explicit_start=None,
        explicit_end=None,
        version=None,
        tags=None,
        block_seq_indent=None,
        top_level_colon_align=None,
        prefix_colon=None,
    ):
        # type: (StreamType, Any, Any, Any, Optional[bool], Optional[int], Optional[int], Optional[bool], Any, Any, Optional[bool], Optional[bool], Any, Any, Any, Any, Any) -> None   # NOQA
        CEmitter.__init__(
            self,
            stream,
            canonical=canonical,
            indent=indent,
            width=width,
            encoding=encoding,
            allow_unicode=allow_unicode,
            line_break=line_break,
            explicit_start=explicit_start,
            explicit_end=explicit_end,
            version=version,
            tags=tags,
        )
        self._emitter = self._serializer = self._representer = self
        BaseRepresenter.__init__(
            self,
            default_style=default_style,
            default_flow_style=default_flow_style,
            dumper=self,
        )
        BaseResolver.__init__(self, loadumper=self)


class CSafeDumper(CEmitter, SafeRepresenter, Resolver):  # type: ignore
    def __init__(
        self,
        stream,
        default_style=None,
        default_flow_style=None,
        canonical=None,
        indent=None,
        width=None,
        allow_unicode=None,
        line_break=None,
        encoding=None,
        explicit_start=None,
        explicit_end=None,
        version=None,
        tags=None,
        block_seq_indent=None,
        top_level_colon_align=None,
        prefix_colon=None,
    ):
        # type: (StreamType, Any, Any, Any, Optional[bool], Optional[int], Optional[int], Optional[bool], Any, Any, Optional[bool], Optional[bool], Any, Any, Any, Any, Any) -> None   # NOQA
        self._emitter = self._serializer = self._representer = self
        CEmitter.__init__(
            self,
            stream,
            canonical=canonical,
            indent=indent,
            width=width,
            encoding=encoding,
            allow_unicode=allow_unicode,
            line_break=line_break,
            explicit_start=explicit_start,
            explicit_end=explicit_end,
            version=version,
            tags=tags,
        )
        self._emitter = self._serializer = self._representer = self
        SafeRepresenter.__init__(
            self, default_style=default_style, default_flow_style=default_flow_style
        )
        Resolver.__init__(self)


class CDumper(CEmitter, Representer, Resolver):  # type: ignore
    def __init__(
        self,
        stream,
        default_style=None,
        default_flow_style=None,
        canonical=None,
        indent=None,
        width=None,
        allow_unicode=None,
        line_break=None,
        encoding=None,
        explicit_start=None,
        explicit_end=None,
        version=None,
        tags=None,
        block_seq_indent=None,
        top_level_colon_align=None,
        prefix_colon=None,
    ):
        # type: (StreamType, Any, Any, Any, Optional[bool], Optional[int], Optional[int], Optional[bool], Any, Any, Optional[bool], Optional[bool], Any, Any, Any, Any, Any) -> None   # NOQA
        CEmitter.__init__(
            self,
            stream,
            canonical=canonical,
            indent=indent,
            width=width,
            encoding=encoding,
            allow_unicode=allow_unicode,
            line_break=line_break,
            explicit_start=explicit_start,
            explicit_end=explicit_end,
            version=version,
            tags=tags,
        )
        self._emitter = self._serializer = self._representer = self
        Representer.__init__(
            self, default_style=default_style, default_flow_style=default_flow_style
        )
        Resolver.__init__(self)