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# 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 re
import subprocess
# py2-compat
try:
from json.decoder import JSONDecodeError
except ImportError:
JSONDecodeError = ValueError
from mozfile import which
from mozlint import result
from mozlint.util.implementation import LintProcess
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(LintProcess):
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_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):
virtualenv_manager = lintargs["virtualenv_manager"]
try:
virtualenv_manager.install_pip_requirements(
CODESPELL_REQUIREMENTS_PATH, quiet=True
)
except subprocess.CalledProcessError:
print(CODESPELL_INSTALL_ERROR)
return 1
def get_codespell_version(binary):
return subprocess.check_output(
[which("python"), binary, "--version"],
universal_newlines=True,
stderr=subprocess.STDOUT,
)
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 = ""
if "exclude" in config:
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)))
log.debug("Version: {}".format(get_codespell_version(binary)))
base_command = cmd_args + paths
run_process(config, base_command)
return results
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