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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 manager class used to handle command-line arguments and options."""
from __future__ import annotations
import argparse
import configparser
import copy
import optparse # pylint: disable=deprecated-module
import os
import re
import sys
import textwrap
import warnings
from collections import OrderedDict
from collections.abc import Sequence
from pathlib import Path
from typing import TYPE_CHECKING, Any, TextIO, Union
import tomlkit
from pylint import utils
from pylint.config.argument import (
_Argument,
_CallableArgument,
_ExtendArgument,
_StoreArgument,
_StoreNewNamesArgument,
_StoreOldNamesArgument,
_StoreTrueArgument,
)
from pylint.config.exceptions import (
UnrecognizedArgumentAction,
_UnrecognizedOptionError,
)
from pylint.config.help_formatter import _HelpFormatter
from pylint.config.option import Option
from pylint.config.option_parser import OptionParser # type: ignore[attr-defined]
from pylint.config.options_provider_mixin import ( # type: ignore[attr-defined]
OptionsProviderMixIn,
)
from pylint.config.utils import _convert_option_to_argument, _parse_rich_type_value
from pylint.constants import MAIN_CHECKER_NAME
from pylint.typing import DirectoryNamespaceDict, OptionDict
if sys.version_info >= (3, 11):
import tomllib
else:
import tomli as tomllib
if TYPE_CHECKING:
from pylint.config.arguments_provider import _ArgumentsProvider
ConfigProvider = Union["_ArgumentsProvider", OptionsProviderMixIn]
# pylint: disable-next=too-many-instance-attributes
class _ArgumentsManager:
"""Arguments manager class used to handle command-line arguments and options."""
def __init__(
self, prog: str, usage: str | None = None, description: str | None = None
) -> None:
self._config = argparse.Namespace()
"""Namespace for all options."""
self._base_config = self._config
"""Fall back Namespace object created during initialization.
This is necessary for the per-directory configuration support. Whenever we
fail to match a file with a directory we fall back to the Namespace object
created during initialization.
"""
self._arg_parser = argparse.ArgumentParser(
prog=prog,
usage=usage or "%(prog)s [options]",
description=description,
formatter_class=_HelpFormatter,
# Needed to let 'pylint-config' overwrite the -h command
conflict_handler="resolve",
)
"""The command line argument parser."""
self._argument_groups_dict: dict[str, argparse._ArgumentGroup] = {}
"""Dictionary of all the argument groups."""
self._option_dicts: dict[str, OptionDict] = {}
"""All option dictionaries that have been registered."""
self._directory_namespaces: DirectoryNamespaceDict = {}
"""Mapping of directories and their respective namespace objects."""
# TODO: 3.0: Remove deprecated attributes introduced to keep API
# parity with optparse. Until '_maxlevel'
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=DeprecationWarning)
self.reset_parsers(usage or "")
# list of registered options providers
self._options_providers: list[ConfigProvider] = []
# dictionary associating option name to checker
self._all_options: OrderedDict[str, ConfigProvider] = OrderedDict()
self._short_options: dict[str, str] = {}
self._nocallback_options: dict[ConfigProvider, str] = {}
self._mygroups: dict[str, optparse.OptionGroup] = {}
# verbosity
self._maxlevel: int = 0
@property
def config(self) -> argparse.Namespace:
"""Namespace for all options."""
return self._config
@config.setter
def config(self, value: argparse.Namespace) -> None:
self._config = value
@property
def options_providers(self) -> list[ConfigProvider]:
# TODO: 3.0: Remove deprecated attribute.
warnings.warn(
"options_providers has been deprecated. It will be removed in pylint 3.0.",
DeprecationWarning,
stacklevel=2,
)
return self._options_providers
@options_providers.setter
def options_providers(self, value: list[ConfigProvider]) -> None:
warnings.warn(
"Setting options_providers has been deprecated. It will be removed in pylint 3.0.",
DeprecationWarning,
stacklevel=2,
)
self._options_providers = value
def _register_options_provider(self, provider: _ArgumentsProvider) -> None:
"""Register an options provider and load its defaults."""
for opt, optdict in provider.options:
self._option_dicts[opt] = optdict
argument = _convert_option_to_argument(opt, optdict)
section = argument.section or provider.name.capitalize()
section_desc = provider.option_groups_descs.get(section, None)
# We exclude main since its docstring comes from PyLinter
if provider.name != MAIN_CHECKER_NAME and provider.__doc__:
section_desc = provider.__doc__.split("\n\n")[0]
self._add_arguments_to_parser(section, section_desc, argument)
self._load_default_argument_values()
def _add_arguments_to_parser(
self, section: str, section_desc: str | None, argument: _Argument
) -> None:
"""Add an argument to the correct argument section/group."""
try:
section_group = self._argument_groups_dict[section]
except KeyError:
if section_desc:
section_group = self._arg_parser.add_argument_group(
section, section_desc
)
else:
section_group = self._arg_parser.add_argument_group(title=section)
self._argument_groups_dict[section] = section_group
self._add_parser_option(section_group, argument)
@staticmethod
def _add_parser_option(
section_group: argparse._ArgumentGroup, argument: _Argument
) -> None:
"""Add an argument."""
if isinstance(argument, _StoreArgument):
section_group.add_argument(
*argument.flags,
action=argument.action,
default=argument.default,
type=argument.type, # type: ignore[arg-type] # incorrect typing in typeshed
help=argument.help,
metavar=argument.metavar,
choices=argument.choices,
)
elif isinstance(argument, _StoreOldNamesArgument):
section_group.add_argument(
*argument.flags,
**argument.kwargs,
action=argument.action,
default=argument.default,
type=argument.type, # type: ignore[arg-type] # incorrect typing in typeshed
help=argument.help,
metavar=argument.metavar,
choices=argument.choices,
)
# We add the old name as hidden option to make it's default value gets loaded when
# argparse initializes all options from the checker
assert argument.kwargs["old_names"]
for old_name in argument.kwargs["old_names"]:
section_group.add_argument(
f"--{old_name}",
action="store",
default=argument.default,
type=argument.type, # type: ignore[arg-type] # incorrect typing in typeshed
help=argparse.SUPPRESS,
metavar=argument.metavar,
choices=argument.choices,
)
elif isinstance(argument, _StoreNewNamesArgument):
section_group.add_argument(
*argument.flags,
**argument.kwargs,
action=argument.action,
default=argument.default,
type=argument.type, # type: ignore[arg-type] # incorrect typing in typeshed
help=argument.help,
metavar=argument.metavar,
choices=argument.choices,
)
elif isinstance(argument, _StoreTrueArgument):
section_group.add_argument(
*argument.flags,
action=argument.action,
default=argument.default,
help=argument.help,
)
elif isinstance(argument, _CallableArgument):
section_group.add_argument(
*argument.flags,
**argument.kwargs,
action=argument.action,
help=argument.help,
metavar=argument.metavar,
)
elif isinstance(argument, _ExtendArgument):
section_group.add_argument(
*argument.flags,
action=argument.action,
default=argument.default,
type=argument.type, # type: ignore[arg-type] # incorrect typing in typeshed
help=argument.help,
metavar=argument.metavar,
choices=argument.choices,
dest=argument.dest,
)
else:
raise UnrecognizedArgumentAction
def _load_default_argument_values(self) -> None:
"""Loads the default values of all registered options."""
self.config = self._arg_parser.parse_args([], self.config)
def _parse_configuration_file(self, arguments: list[str]) -> None:
"""Parse the arguments found in a configuration file into the namespace."""
try:
self.config, parsed_args = self._arg_parser.parse_known_args(
arguments, self.config
)
except SystemExit:
sys.exit(32)
unrecognized_options: list[str] = []
for opt in parsed_args:
if opt.startswith("--"):
unrecognized_options.append(opt[2:])
if unrecognized_options:
raise _UnrecognizedOptionError(options=unrecognized_options)
def _parse_command_line_configuration(
self, arguments: Sequence[str] | None = None
) -> list[str]:
"""Parse the arguments found on the command line into the namespace."""
arguments = sys.argv[1:] if arguments is None else arguments
self.config, parsed_args = self._arg_parser.parse_known_args(
arguments, self.config
)
return parsed_args
def reset_parsers(self, usage: str = "") -> None: # pragma: no cover
"""DEPRECATED."""
warnings.warn(
"reset_parsers has been deprecated. Parsers should be instantiated "
"once during initialization and do not need to be reset.",
DeprecationWarning,
stacklevel=2,
)
# configuration file parser
self.cfgfile_parser = configparser.ConfigParser(
inline_comment_prefixes=("#", ";")
)
# command line parser
self.cmdline_parser = OptionParser(Option, usage=usage)
self.cmdline_parser.options_manager = self
self._optik_option_attrs = set(self.cmdline_parser.option_class.ATTRS)
def register_options_provider(
self, provider: ConfigProvider, own_group: bool = True
) -> None: # pragma: no cover
"""DEPRECATED: Register an options provider."""
warnings.warn(
"register_options_provider has been deprecated. Options providers and "
"arguments providers should be registered by initializing ArgumentsProvider. "
"This automatically registers the provider on the ArgumentsManager.",
DeprecationWarning,
stacklevel=2,
)
self.options_providers.append(provider)
non_group_spec_options = [
option for option in provider.options if "group" not in option[1]
]
groups = getattr(provider, "option_groups", ())
if own_group and non_group_spec_options:
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=DeprecationWarning)
self.add_option_group(
provider.name.upper(),
provider.__doc__,
non_group_spec_options,
provider,
)
else:
for opt, optdict in non_group_spec_options:
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=DeprecationWarning)
self.add_optik_option(provider, self.cmdline_parser, opt, optdict)
for gname, gdoc in groups:
gname = gname.upper()
goptions = [
option
for option in provider.options
if option[1].get("group", "").upper() == gname # type: ignore[union-attr]
]
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=DeprecationWarning)
self.add_option_group(gname, gdoc, goptions, provider)
def add_option_group(
self,
group_name: str,
_: str | None,
options: list[tuple[str, OptionDict]],
provider: ConfigProvider,
) -> None: # pragma: no cover
"""DEPRECATED."""
warnings.warn(
"add_option_group has been deprecated. Option groups should be "
"registered by initializing ArgumentsProvider. "
"This automatically registers the group on the ArgumentsManager.",
DeprecationWarning,
stacklevel=2,
)
# add option group to the command line parser
if group_name in self._mygroups:
group = self._mygroups[group_name]
else:
group = optparse.OptionGroup(
self.cmdline_parser, title=group_name.capitalize()
)
self.cmdline_parser.add_option_group(group)
self._mygroups[group_name] = group
# add section to the config file
if (
group_name != "DEFAULT"
and group_name not in self.cfgfile_parser._sections # type: ignore[attr-defined]
):
self.cfgfile_parser.add_section(group_name)
# add provider's specific options
for opt, optdict in options:
if not isinstance(optdict.get("action", "store"), str):
optdict["action"] = "callback"
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=DeprecationWarning)
self.add_optik_option(provider, group, opt, optdict)
def add_optik_option(
self,
provider: ConfigProvider,
optikcontainer: optparse.OptionParser | optparse.OptionGroup,
opt: str,
optdict: OptionDict,
) -> None: # pragma: no cover
"""DEPRECATED."""
warnings.warn(
"add_optik_option has been deprecated. Options should be automatically "
"added by initializing an ArgumentsProvider.",
DeprecationWarning,
stacklevel=2,
)
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=DeprecationWarning)
args, optdict = self.optik_option(provider, opt, optdict)
option = optikcontainer.add_option(*args, **optdict)
self._all_options[opt] = provider
self._maxlevel = max(self._maxlevel, option.level or 0)
def optik_option(
self, provider: ConfigProvider, opt: str, optdict: OptionDict
) -> tuple[list[str], OptionDict]: # pragma: no cover
"""DEPRECATED: Get our personal option definition and return a suitable form for
use with optik/optparse.
"""
warnings.warn(
"optik_option has been deprecated. Parsing of option dictionaries should be done "
"automatically by initializing an ArgumentsProvider.",
DeprecationWarning,
stacklevel=2,
)
optdict = copy.copy(optdict)
if "action" in optdict:
self._nocallback_options[provider] = opt
else:
optdict["action"] = "callback"
optdict["callback"] = self.cb_set_provider_option
# default is handled here and *must not* be given to optik if you
# want the whole machinery to work
if "default" in optdict:
if (
"help" in optdict
and optdict.get("default") is not None
and optdict["action"] not in ("store_true", "store_false")
):
optdict["help"] += " [current: %default]" # type: ignore[operator]
del optdict["default"]
args = ["--" + str(opt)]
if "short" in optdict:
self._short_options[optdict["short"]] = opt # type: ignore[index]
args.append("-" + optdict["short"]) # type: ignore[operator]
del optdict["short"]
# cleanup option definition dict before giving it to optik
for key in list(optdict.keys()):
if key not in self._optik_option_attrs:
optdict.pop(key)
return args, optdict
def generate_config(
self, stream: TextIO | None = None, skipsections: tuple[str, ...] = ()
) -> None: # pragma: no cover
"""DEPRECATED: Write a configuration file according to the current configuration
into the given stream or stdout.
"""
warnings.warn(
"generate_config has been deprecated. It will be removed in pylint 3.0.",
DeprecationWarning,
stacklevel=2,
)
options_by_section = {}
sections = []
for group in sorted(
self._arg_parser._action_groups,
key=lambda x: (x.title != "Main", x.title),
):
group_name = group.title
assert group_name
if group_name in skipsections:
continue
options = []
option_actions = [
i
for i in group._group_actions
if not isinstance(i, argparse._SubParsersAction)
]
for opt in sorted(option_actions, key=lambda x: x.option_strings[0][2:]):
if "--help" in opt.option_strings:
continue
optname = opt.option_strings[0][2:]
try:
optdict = self._option_dicts[optname]
except KeyError:
continue
options.append(
(
optname,
optdict,
getattr(self.config, optname.replace("-", "_")),
)
)
options = [
(n, d, v) for (n, d, v) in options if not d.get("deprecated")
]
if options:
sections.append(group_name)
options_by_section[group_name] = options
stream = stream or sys.stdout
printed = False
for section in sections:
if printed:
print("\n", file=stream)
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=DeprecationWarning)
utils.format_section(
stream, section.upper(), sorted(options_by_section[section])
)
printed = True
def load_provider_defaults(self) -> None: # pragma: no cover
"""DEPRECATED: Initialize configuration using default values."""
warnings.warn(
"load_provider_defaults has been deprecated. Parsing of option defaults should be done "
"automatically by initializing an ArgumentsProvider.",
DeprecationWarning,
stacklevel=2,
)
for provider in self.options_providers:
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=DeprecationWarning)
provider.load_defaults()
def read_config_file(
self, config_file: Path | None = None, verbose: bool = False
) -> None: # pragma: no cover
"""DEPRECATED: Read the configuration file but do not load it (i.e. dispatching
values to each option's provider).
:raises OSError: When the specified config file doesn't exist
"""
warnings.warn(
"read_config_file has been deprecated. It will be removed in pylint 3.0.",
DeprecationWarning,
stacklevel=2,
)
if not config_file:
if verbose:
print(
"No config file found, using default configuration", file=sys.stderr
)
return
config_file = Path(os.path.expandvars(config_file)).expanduser()
if not config_file.exists():
raise OSError(f"The config file {str(config_file)} doesn't exist!")
parser = self.cfgfile_parser
if config_file.suffix == ".toml":
try:
self._parse_toml(config_file, parser)
except tomllib.TOMLDecodeError:
pass
else:
# Use this encoding in order to strip the BOM marker, if any.
with open(config_file, encoding="utf_8_sig") as fp:
parser.read_file(fp)
# normalize each section's title
for sect, values in list(parser._sections.items()): # type: ignore[attr-defined]
if sect.startswith("pylint."):
sect = sect[len("pylint.") :]
if not sect.isupper() and values:
parser._sections[sect.upper()] = values # type: ignore[attr-defined]
if verbose:
print(f"Using config file '{config_file}'", file=sys.stderr)
@staticmethod
def _parse_toml(
config_file: Path, parser: configparser.ConfigParser
) -> None: # pragma: no cover
"""DEPRECATED: Parse and handle errors of a toml configuration file.
TODO: 3.0: Remove deprecated method.
"""
with open(config_file, mode="rb") as fp:
content = tomllib.load(fp)
try:
sections_values = content["tool"]["pylint"]
except KeyError:
return
for section, values in sections_values.items():
section_name = section.upper()
# TOML has rich types, convert values to
# strings as ConfigParser expects.
if not isinstance(values, dict):
continue
for option, value in values.items():
if isinstance(value, bool):
values[option] = "yes" if value else "no"
elif isinstance(value, list):
values[option] = ",".join(value)
else:
values[option] = str(value)
for option, value in values.items():
try:
parser.set(section_name, option, value=value)
except configparser.NoSectionError:
parser.add_section(section_name)
parser.set(section_name, option, value=value)
def load_config_file(self) -> None: # pragma: no cover
"""DEPRECATED: Dispatch values previously read from a configuration file to each
option's provider.
"""
warnings.warn(
"load_config_file has been deprecated. It will be removed in pylint 3.0.",
DeprecationWarning,
stacklevel=2,
)
parser = self.cfgfile_parser
for section in parser.sections():
for option, value in parser.items(section):
try:
self.global_set_option(option, value)
except (KeyError, optparse.OptionError):
continue
def load_configuration(self, **kwargs: Any) -> None: # pragma: no cover
"""DEPRECATED: Override configuration according to given parameters."""
warnings.warn(
"load_configuration has been deprecated. It will be removed in pylint 3.0.",
DeprecationWarning,
stacklevel=2,
)
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=DeprecationWarning)
return self.load_configuration_from_config(kwargs)
def load_configuration_from_config(
self, config: dict[str, Any]
) -> None: # pragma: no cover
warnings.warn(
"DEPRECATED: load_configuration_from_config has been deprecated. It will be removed in pylint 3.0.",
DeprecationWarning,
stacklevel=2,
)
for opt, opt_value in config.items():
opt = opt.replace("_", "-")
provider = self._all_options[opt]
provider.set_option(opt, opt_value)
def load_command_line_configuration(
self, args: list[str] | None = None
) -> list[str]: # pragma: no cover
"""DEPRECATED: Override configuration according to command line parameters.
return additional arguments
"""
warnings.warn(
"load_command_line_configuration has been deprecated. It will be removed in pylint 3.0.",
DeprecationWarning,
stacklevel=2,
)
args = sys.argv[1:] if args is None else list(args)
(options, args) = self.cmdline_parser.parse_args(args=args)
for provider in self._nocallback_options:
config = provider.config
for attr in config.__dict__.keys():
value = getattr(options, attr, None)
if value is None:
continue
setattr(config, attr, value)
return args # type: ignore[return-value]
def help(self, level: int | None = None) -> str:
"""Return the usage string based on the available options."""
if level is not None:
warnings.warn(
"Supplying a 'level' argument to help() has been deprecated."
"You can call help() without any arguments.",
DeprecationWarning,
stacklevel=2,
)
return self._arg_parser.format_help()
def cb_set_provider_option( # pragma: no cover
self, option: Any, opt: Any, value: Any, parser: Any
) -> None:
"""DEPRECATED: Optik callback for option setting."""
# TODO: 3.0: Remove deprecated method.
warnings.warn(
"cb_set_provider_option has been deprecated. It will be removed in pylint 3.0.",
DeprecationWarning,
stacklevel=2,
)
if opt.startswith("--"):
# remove -- on long option
opt = opt[2:]
else:
# short option, get its long equivalent
opt = self._short_options[opt[1:]]
# trick since we can't set action='store_true' on options
if value is None:
value = 1
self.set_option(opt, value)
def global_set_option(self, opt: str, value: Any) -> None: # pragma: no cover
"""DEPRECATED: Set option on the correct option provider."""
# TODO: 3.0: Remove deprecated method.
warnings.warn(
"global_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.set_option(opt, value)
def _generate_config_file(self, *, minimal: bool = False) -> str:
"""Write a configuration file according to the current configuration into
stdout.
"""
toml_doc = tomlkit.document()
tool_table = tomlkit.table(is_super_table=True)
toml_doc.add(tomlkit.key("tool"), tool_table)
pylint_tool_table = tomlkit.table(is_super_table=True)
tool_table.add(tomlkit.key("pylint"), pylint_tool_table)
for group in sorted(
self._arg_parser._action_groups,
key=lambda x: (x.title != "Main", x.title),
):
# Skip the options section with the --help option
if group.title in {"options", "optional arguments", "Commands"}:
continue
# Skip sections without options such as "positional arguments"
if not group._group_actions:
continue
group_table = tomlkit.table()
option_actions = [
i
for i in group._group_actions
if not isinstance(i, argparse._SubParsersAction)
]
for action in sorted(option_actions, key=lambda x: x.option_strings[0][2:]):
optname = action.option_strings[0][2:]
# We skip old name options that don't have their own optdict
try:
optdict = self._option_dicts[optname]
except KeyError:
continue
if optdict.get("hide_from_config_file"):
continue
# Add help comment
if not minimal:
help_msg = optdict.get("help", "")
assert isinstance(help_msg, str)
help_text = textwrap.wrap(help_msg, width=79)
for line in help_text:
group_table.add(tomlkit.comment(line))
# Get current value of option
value = getattr(self.config, optname.replace("-", "_"))
# Create a comment if the option has no value
if not value:
if not minimal:
group_table.add(tomlkit.comment(f"{optname} ="))
group_table.add(tomlkit.nl())
continue
# Skip deprecated options
if "kwargs" in optdict:
assert isinstance(optdict["kwargs"], dict)
if "new_names" in optdict["kwargs"]:
continue
# Tomlkit doesn't support regular expressions
if isinstance(value, re.Pattern):
value = value.pattern
elif isinstance(value, (list, tuple)) and isinstance(
value[0], re.Pattern
):
value = [i.pattern for i in value]
# Handle tuples that should be strings
if optdict.get("type") == "py_version":
value = ".".join(str(i) for i in value)
# Check if it is default value if we are in minimal mode
if minimal and value == optdict.get("default"):
continue
# Add to table
group_table.add(optname, value)
group_table.add(tomlkit.nl())
assert group.title
if group_table:
pylint_tool_table.add(group.title.lower(), group_table)
toml_string = tomlkit.dumps(toml_doc)
# Make sure the string we produce is valid toml and can be parsed
tomllib.loads(toml_string)
return str(toml_string)
def set_option(
self,
optname: str,
value: Any,
action: str | None = "default_value",
optdict: None | str | OptionDict = "default_value",
) -> None:
"""Set an option on the namespace object."""
# TODO: 3.0: Remove deprecated arguments.
if action != "default_value":
warnings.warn(
"The 'action' argument has been deprecated. You can use set_option "
"without the 'action' or 'optdict' arguments.",
DeprecationWarning,
stacklevel=2,
)
if optdict != "default_value":
warnings.warn(
"The 'optdict' argument has been deprecated. You can use set_option "
"without the 'action' or 'optdict' arguments.",
DeprecationWarning,
stacklevel=2,
)
self.config = self._arg_parser.parse_known_args(
[f"--{optname.replace('_', '-')}", _parse_rich_type_value(value)],
self.config,
)[0]
Hacked By AnonymousFox1.0, Coded By AnonymousFox