gecko-dev/tools/lint/spell/__init__.py

137 строки
3.9 KiB
Python

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import os
import signal
import re
# py2-compat
try:
from json.decoder import JSONDecodeError
except ImportError:
JSONDecodeError = ValueError
from mozfile import which
from mozlint import result
from mozlint.util import pip
from mozprocess import ProcessHandlerMixin
here = os.path.abspath(os.path.dirname(__file__))
CODESPELL_REQUIREMENTS_PATH = os.path.join(here, 'codespell_requirements.txt')
CODESPELL_NOT_FOUND = """
Could not find codespell! Install codespell and try again.
$ pip install -U --require-hashes -r {}
""".strip().format(CODESPELL_REQUIREMENTS_PATH)
CODESPELL_INSTALL_ERROR = """
Unable to install correct version of codespell
Try to install it manually with:
$ pip install -U --require-hashes -r {}
""".strip().format(CODESPELL_REQUIREMENTS_PATH)
results = []
CODESPELL_FORMAT_REGEX = re.compile(r'(.*):(.*): (.*) ==> (.*)$')
class CodespellProcess(ProcessHandlerMixin):
def __init__(self, config, *args, **kwargs):
self.config = config
kwargs = {
'processOutputLine': [self.process_line],
'universal_newlines': True,
}
ProcessHandlerMixin.__init__(self, *args, **kwargs)
def process_line(self, line):
try:
match = CODESPELL_FORMAT_REGEX.match(line)
abspath, line, typo, correct = match.groups()
except AttributeError:
print('Unable to match regex against output: {}'.format(line))
return
# Ignore false positive like aParent (which would be fixed to apparent)
# See https://github.com/lucasdemarchi/codespell/issues/314
m = re.match(r'^[a-z][A-Z][a-z]*', typo)
if m:
return
res = {'path': abspath,
'message': typo.strip() + " ==> " + correct,
'level': 'error',
'lineno': line,
}
results.append(result.from_config(self.config, **res))
def run(self, *args, **kwargs):
orig = signal.signal(signal.SIGINT, signal.SIG_IGN)
ProcessHandlerMixin.run(self, *args, **kwargs)
signal.signal(signal.SIGINT, orig)
def run_process(config, cmd):
proc = CodespellProcess(config, cmd)
proc.run()
try:
proc.wait()
except KeyboardInterrupt:
proc.kill()
def get_codespell_binary():
"""
Returns the path of the first codespell binary available
if not found returns None
"""
binary = os.environ.get('CODESPELL')
if binary:
return binary
return which('codespell')
def setup(root, **lintargs):
if not pip.reinstall_program(CODESPELL_REQUIREMENTS_PATH):
print(CODESPELL_INSTALL_ERROR)
return 1
def lint(paths, config, fix=None, **lintargs):
log = lintargs['log']
binary = get_codespell_binary()
if not binary:
print(CODESPELL_NOT_FOUND)
if 'MOZ_AUTOMATION' in os.environ:
return 1
return []
config['root'] = lintargs['root']
skip_files = '--skip=*.dic,{}'.format(','.join(config['exclude']))
exclude_list = os.path.join(here, 'exclude-list.txt')
cmd_args = [which('python'),
binary,
'--disable-colors',
# Silence some warnings:
# 1: disable warnings about wrong encoding
# 2: disable warnings about binary file
# 4: shut down warnings about automatic fixes
# that were disabled in dictionary.
'--quiet-level=7',
'--ignore-words=' + exclude_list,
skip_files]
if fix:
cmd_args.append('--write-changes')
log.debug("Command: {}".format(' '.join(cmd_args)))
base_command = cmd_args + paths
run_process(config, base_command)
return results