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# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
# Copyright (c) https://github.com/PyCQA/pylint/blob/main/CONTRIBUTORS.txt
"""Arguments provider class used to expose options."""
from __future__ import annotations
import argparse
import optparse # pylint: disable=deprecated-module
import warnings
from collections.abc import Iterator
from typing import Any
from pylint.config.arguments_manager import _ArgumentsManager
from pylint.typing import OptionDict, Options
class UnsupportedAction(Exception):
"""Raised by set_option when it doesn't know what to do for an action."""
def __init__(self, *args: object) -> None:
# TODO: 3.0: Remove deprecated exception
warnings.warn(
"UnsupportedAction has been deprecated and will be removed in pylint 3.0",
DeprecationWarning,
stacklevel=2,
)
super().__init__(*args)
class _ArgumentsProvider:
"""Base class for classes that provide arguments."""
name: str
"""Name of the provider."""
options: Options = ()
"""Options provided by this provider."""
option_groups_descs: dict[str, str] = {}
"""Option groups of this provider and their descriptions."""
def __init__(self, arguments_manager: _ArgumentsManager) -> None:
self._arguments_manager = arguments_manager
"""The manager that will parse and register any options provided."""
self._arguments_manager._register_options_provider(self)
self._level = 0
@property
def level(self) -> int:
# TODO: 3.0: Remove deprecated attribute
warnings.warn(
"The level attribute has been deprecated. It was used to display the checker in the help or not,"
" and everything is displayed in the help now. It will be removed in pylint 3.0.",
DeprecationWarning,
stacklevel=2,
)
return self._level
@level.setter
def level(self, value: int) -> None:
# TODO: 3.0: Remove deprecated attribute
warnings.warn(
"Setting the level attribute has been deprecated. It was used to display the checker "
"in the help or not, and everything is displayed in the help now. It will be removed "
"in pylint 3.0.",
DeprecationWarning,
stacklevel=2,
)
self._level = value
@property
def config(self) -> argparse.Namespace:
# TODO: 3.0: Remove deprecated attribute
warnings.warn(
"The checker-specific config attribute has been deprecated. Please use "
"'linter.config' to access the global configuration object.",
DeprecationWarning,
stacklevel=2,
)
return self._arguments_manager.config
def load_defaults(self) -> None: # pragma: no cover
"""DEPRECATED: Initialize the provider using default values."""
warnings.warn(
"load_defaults has been deprecated. Option groups should be "
"registered by initializing an ArgumentsProvider. "
"This automatically registers the group on the ArgumentsManager.",
DeprecationWarning,
stacklevel=2,
)
for opt, optdict in self.options:
action = optdict.get("action")
if action != "callback":
# callback action have no default
if optdict is None:
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=DeprecationWarning)
optdict = self.get_option_def(opt)
default = optdict.get("default")
self.set_option(opt, default, action, optdict)
def option_attrname(
self, opt: str, optdict: OptionDict | None = None
) -> str: # pragma: no cover
"""DEPRECATED: Get the config attribute corresponding to opt."""
warnings.warn(
"option_attrname has been deprecated. It will be removed "
"in a future release.",
DeprecationWarning,
stacklevel=2,
)
if optdict is None:
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=DeprecationWarning)
optdict = self.get_option_def(opt)
return optdict.get("dest", opt.replace("-", "_")) # type: ignore[return-value]
def option_value(self, opt: str) -> Any: # pragma: no cover
"""DEPRECATED: Get the current value for the given option."""
warnings.warn(
"option_value has been deprecated. It will be removed "
"in a future release.",
DeprecationWarning,
stacklevel=2,
)
return getattr(self._arguments_manager.config, opt.replace("-", "_"), None)
def set_option( # pragma: no cover
self,
optname: Any,
value: Any,
action: Any = None, # pylint: disable=unused-argument
optdict: Any = None, # pylint: disable=unused-argument
) -> None:
"""DEPRECATED: Method called to set an option (registered in the options
list).
"""
# TODO: 3.0: Remove deprecated method.
warnings.warn(
"set_option has been deprecated. You can use _arguments_manager.set_option "
"or linter.set_option to set options on the global configuration object.",
DeprecationWarning,
stacklevel=2,
)
self._arguments_manager.set_option(optname, value)
def get_option_def(self, opt: str) -> OptionDict: # pragma: no cover
"""DEPRECATED: Return the dictionary defining an option given its name.
:raises OptionError: If the option isn't found.
"""
warnings.warn(
"get_option_def has been deprecated. It will be removed "
"in a future release.",
DeprecationWarning,
stacklevel=2,
)
assert self.options
for option in self.options:
if option[0] == opt:
return option[1]
raise optparse.OptionError(
f"no such option {opt} in section {self.name!r}", opt # type: ignore[arg-type]
)
def options_by_section(
self,
) -> Iterator[
tuple[str, list[tuple[str, OptionDict, Any]]]
| tuple[None, dict[str, list[tuple[str, OptionDict, Any]]]]
]: # pragma: no cover
"""DEPRECATED: Return an iterator on options grouped by section.
(section, [list of (optname, optdict, optvalue)])
"""
# TODO 3.0: Make this function private see
# https://github.com/PyCQA/pylint/pull/6665#discussion_r880143229
# It's only used in '_get_global_options_documentation'
warnings.warn(
"options_by_section has been deprecated. It will be removed "
"in a future release.",
DeprecationWarning,
stacklevel=2,
)
sections: dict[str, list[tuple[str, OptionDict, Any]]] = {}
for optname, optdict in self.options:
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=DeprecationWarning)
sections.setdefault(optdict.get("group"), []).append( # type: ignore[arg-type]
(optname, optdict, self.option_value(optname))
)
if None in sections:
yield None, sections.pop(None) # type: ignore[call-overload]
for section, options in sorted(sections.items()):
yield section.upper(), options
def options_and_values(
self, options: Options | None = None
) -> Iterator[tuple[str, OptionDict, Any]]: # pragma: no cover
"""DEPRECATED."""
warnings.warn(
"options_and_values has been deprecated. It will be removed "
"in a future release.",
DeprecationWarning,
stacklevel=2,
)
if options is None:
options = self.options
for optname, optdict in options:
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=DeprecationWarning)
yield optname, optdict, self.option_value(optname)