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__init__.py
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__init__.py
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# Copyright (c) 2006-2010, 2012-2014 LOGILAB S.A. (Paris, FRANCE) <contact@logilab.fr>
# Copyright (c) 2008 pyves@crater.logilab.fr <pyves@crater.logilab.fr>
# Copyright (c) 2013 Google, Inc.
# Copyright (c) 2013 John McGehee <jmcgehee@altera.com>
# Copyright (c) 2014-2020 Claudiu Popa <pcmanticore@gmail.com>
# Copyright (c) 2014 Brett Cannon <brett@python.org>
# Copyright (c) 2014 Arun Persaud <arun@nubati.net>
# Copyright (c) 2015 Aru Sahni <arusahni@gmail.com>
# Copyright (c) 2015 John Kirkham <jakirkham@gmail.com>
# Copyright (c) 2015 Ionel Cristian Maries <contact@ionelmc.ro>
# Copyright (c) 2016 Erik <erik.eriksson@yahoo.com>
# Copyright (c) 2016 Alexander Todorov <atodorov@otb.bg>
# Copyright (c) 2016 Moises Lopez <moylop260@vauxoo.com>
# Copyright (c) 2017, 2020 hippo91 <guillaume.peillex@gmail.com>
# Copyright (c) 2017-2019 Ville Skyttä <ville.skytta@iki.fi>
# Copyright (c) 2017 ahirnish <ahirnish@gmail.com>
# Copyright (c) 2017 Łukasz Rogalski <rogalski.91@gmail.com>
# Copyright (c) 2018, 2020 Anthony Sottile <asottile@umich.edu>
# Copyright (c) 2018 Jim Robertson <jrobertson98atx@gmail.com>
# Copyright (c) 2018 ssolanki <sushobhitsolanki@gmail.com>
# Copyright (c) 2018 Bryce Guinta <bryce.paul.guinta@gmail.com>
# Copyright (c) 2018 Sushobhit <31987769+sushobhit27@users.noreply.github.com>
# Copyright (c) 2018 Gary Tyler McLeod <mail@garytyler.com>
# Copyright (c) 2018 Konstantin <Github@pheanex.de>
# Copyright (c) 2018 Nick Drozd <nicholasdrozd@gmail.com>
# Copyright (c) 2019, 2021 Ashley Whetter <ashley@awhetter.co.uk>
# Copyright (c) 2019-2021 Pierre Sassoulas <pierre.sassoulas@gmail.com>
# Copyright (c) 2019 Janne Rönkkö <jannero@users.noreply.github.com>
# Copyright (c) 2019 Hugo van Kemenade <hugovk@users.noreply.github.com>
# Copyright (c) 2021 Daniël van Noord <13665637+DanielNoord@users.noreply.github.com>
# Copyright (c) 2021 Eisuke Kawashima <e-kwsm@users.noreply.github.com>
# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com>
# 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
import os
import pathlib
import pickle
import sys
from datetime import datetime
import platformdirs
from pylint.config.configuration_mixin import ConfigurationMixIn
from pylint.config.find_default_config_files import find_default_config_files
from pylint.config.man_help_formatter import _ManHelpFormatter
from pylint.config.option import Option
from pylint.config.option_manager_mixin import OptionsManagerMixIn
from pylint.config.option_parser import OptionParser
from pylint.config.options_provider_mixin import OptionsProviderMixIn, UnsupportedAction
__all__ = [
"ConfigurationMixIn",
"find_default_config_files",
"_ManHelpFormatter",
"Option",
"OptionsManagerMixIn",
"OptionParser",
"OptionsProviderMixIn",
"UnsupportedAction",
]
USER_HOME = os.path.expanduser("~")
if "PYLINTHOME" in os.environ:
PYLINT_HOME = os.environ["PYLINTHOME"]
if USER_HOME == "~":
USER_HOME = os.path.dirname(PYLINT_HOME)
elif USER_HOME == "~":
PYLINT_HOME = ".pylint.d"
else:
PYLINT_HOME = platformdirs.user_cache_dir("pylint")
# The spam prevention is due to pylint being used in parallel by
# pre-commit, and the message being spammy in this context
# Also if you work with old version of pylint that recreate the
# old pylint home, you can get the old message for a long time.
prefix_spam_prevention = "pylint_warned_about_old_cache_already"
spam_prevention_file = os.path.join(
PYLINT_HOME,
datetime.now().strftime(prefix_spam_prevention + "_%Y-%m-%d.temp"),
)
old_home = os.path.join(USER_HOME, ".pylint.d")
if os.path.exists(old_home) and not os.path.exists(spam_prevention_file):
print(
f"PYLINTHOME is now '{PYLINT_HOME}' but obsolescent '{old_home}' is found; "
"you can safely remove the latter",
file=sys.stderr,
)
# Remove old spam prevention file
if os.path.exists(PYLINT_HOME):
for filename in os.listdir(PYLINT_HOME):
if prefix_spam_prevention in filename:
try:
os.remove(os.path.join(PYLINT_HOME, filename))
except OSError:
pass
# Create spam prevention file for today
try:
pathlib.Path(PYLINT_HOME).mkdir(parents=True, exist_ok=True)
with open(spam_prevention_file, "w", encoding="utf8") as f:
f.write("")
except Exception: # pylint: disable=broad-except
# Can't write in PYLINT_HOME ?
print(
"Can't write the file that was supposed to "
f"prevent pylint.d deprecation spam in {PYLINT_HOME}."
)
def _get_pdata_path(base_name, recurs):
base_name = base_name.replace(os.sep, "_")
return os.path.join(PYLINT_HOME, f"{base_name}{recurs}.stats")
def load_results(base):
data_file = _get_pdata_path(base, 1)
try:
with open(data_file, "rb") as stream:
return pickle.load(stream)
except Exception: # pylint: disable=broad-except
return {}
def save_results(results, base):
if not os.path.exists(PYLINT_HOME):
try:
os.mkdir(PYLINT_HOME)
except OSError:
print("Unable to create directory %s" % PYLINT_HOME, file=sys.stderr)
data_file = _get_pdata_path(base, 1)
try:
with open(data_file, "wb") as stream:
pickle.dump(results, stream)
except OSError as ex:
print(f"Unable to create file {data_file}: {ex}", file=sys.stderr)
def find_pylintrc():
"""search the pylint rc file and return its path if it find it, else None"""
for config_file in find_default_config_files():
if config_file.endswith("pylintrc"):
return config_file
return None
PYLINTRC = find_pylintrc()
ENV_HELP = """
The following environment variables are used:
* PYLINTHOME
Path to the directory where persistent data for the run will be stored. If
not found, it defaults to ~/.pylint.d/ or .pylint.d (in the current working
directory).
* PYLINTRC
Path to the configuration file. See the documentation for the method used
to search for configuration file.
"""