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114 lines
4.0 KiB
Python
114 lines
4.0 KiB
Python
# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
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# Copyright (c) https://github.com/PyCQA/pylint/blob/main/CONTRIBUTORS.txt
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import os
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import pathlib
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import pickle
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import sys
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from datetime import datetime
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from pylint.config.argument import _Argument
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from pylint.config.arguments_manager import _ArgumentsManager
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from pylint.config.configuration_mixin import ConfigurationMixIn
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from pylint.config.environment_variable import PYLINTRC
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from pylint.config.find_default_config_files import (
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find_default_config_files,
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find_pylintrc,
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)
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from pylint.config.man_help_formatter import _ManHelpFormatter
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from pylint.config.option import Option
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from pylint.config.option_manager_mixin import OptionsManagerMixIn
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from pylint.config.option_parser import OptionParser
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from pylint.config.options_provider_mixin import OptionsProviderMixIn, UnsupportedAction
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from pylint.constants import DEFAULT_PYLINT_HOME, OLD_DEFAULT_PYLINT_HOME, USER_HOME
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from pylint.utils import LinterStats
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__all__ = [
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"_Argument",
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"_ArgumentsManager",
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"ConfigurationMixIn",
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"find_default_config_files",
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"find_pylintrc",
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"_ManHelpFormatter",
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"Option",
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"OptionsManagerMixIn",
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"OptionParser",
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"OptionsProviderMixIn",
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"UnsupportedAction",
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"PYLINTRC",
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"USER_HOME",
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]
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if "PYLINTHOME" in os.environ:
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PYLINT_HOME = os.environ["PYLINTHOME"]
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else:
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PYLINT_HOME = DEFAULT_PYLINT_HOME
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# The spam prevention is due to pylint being used in parallel by
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# pre-commit, and the message being spammy in this context
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# Also if you work with old version of pylint that recreate the
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# old pylint home, you can get the old message for a long time.
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prefix_spam_prevention = "pylint_warned_about_old_cache_already"
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spam_prevention_file = os.path.join(
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PYLINT_HOME,
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datetime.now().strftime(prefix_spam_prevention + "_%Y-%m-%d.temp"),
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)
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old_home = os.path.join(USER_HOME, OLD_DEFAULT_PYLINT_HOME)
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if os.path.exists(old_home) and not os.path.exists(spam_prevention_file):
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print(
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f"PYLINTHOME is now '{PYLINT_HOME}' but obsolescent '{old_home}' is found; "
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"you can safely remove the latter",
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file=sys.stderr,
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)
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# Remove old spam prevention file
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if os.path.exists(PYLINT_HOME):
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for filename in os.listdir(PYLINT_HOME):
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if prefix_spam_prevention in filename:
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try:
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os.remove(os.path.join(PYLINT_HOME, filename))
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except OSError:
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pass
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# Create spam prevention file for today
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try:
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pathlib.Path(PYLINT_HOME).mkdir(parents=True, exist_ok=True)
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with open(spam_prevention_file, "w", encoding="utf8") as f:
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f.write("")
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except Exception as exc: # pylint: disable=broad-except
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print(
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"Can't write the file that was supposed to "
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f"prevent 'pylint.d' deprecation spam in {PYLINT_HOME} because of {exc}."
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)
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def _get_pdata_path(base_name, recurs):
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base_name = base_name.replace(os.sep, "_")
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return os.path.join(PYLINT_HOME, f"{base_name}{recurs}.stats")
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def load_results(base):
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data_file = _get_pdata_path(base, 1)
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try:
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with open(data_file, "rb") as stream:
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data = pickle.load(stream)
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if not isinstance(data, LinterStats):
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raise TypeError
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return data
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except Exception: # pylint: disable=broad-except
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return None
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def save_results(results, base):
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if not os.path.exists(PYLINT_HOME):
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try:
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os.makedirs(PYLINT_HOME)
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except OSError:
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print(f"Unable to create directory {PYLINT_HOME}", file=sys.stderr)
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data_file = _get_pdata_path(base, 1)
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try:
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with open(data_file, "wb") as stream:
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pickle.dump(results, stream)
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except OSError as ex:
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print(f"Unable to create file {data_file}: {ex}", file=sys.stderr)
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