зеркало из https://github.com/mozilla/gecko-dev.git
132 строки
3.8 KiB
Python
132 строки
3.8 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/.
|
|
|
|
from __future__ import absolute_import, print_function
|
|
|
|
import os
|
|
import platform
|
|
import re
|
|
import signal
|
|
import subprocess
|
|
import sys
|
|
|
|
from mozlint import result
|
|
from mozlint.pathutils import expand_exclusions
|
|
from mozlint.util import pip
|
|
from mozprocess import ProcessHandler
|
|
|
|
here = os.path.abspath(os.path.dirname(__file__))
|
|
BLACK_REQUIREMENTS_PATH = os.path.join(here, "black_requirements.txt")
|
|
|
|
BLACK_INSTALL_ERROR = """
|
|
Unable to install correct version of black
|
|
Try to install it manually with:
|
|
$ pip install -U --require-hashes -r {}
|
|
""".strip().format(
|
|
BLACK_REQUIREMENTS_PATH
|
|
)
|
|
|
|
# We use sys.prefix to find executables as that gets modified with
|
|
# virtualenv's activate_this.py, whereas sys.executable doesn't.
|
|
if platform.system() == "Windows":
|
|
bindir = os.path.join(sys.prefix, "Scripts")
|
|
else:
|
|
bindir = os.path.join(sys.prefix, "bin")
|
|
|
|
|
|
def get_black_version(binary):
|
|
"""
|
|
Returns found binary's version
|
|
"""
|
|
try:
|
|
output = subprocess.check_output(
|
|
[binary, "--version"],
|
|
stderr=subprocess.STDOUT,
|
|
universal_newlines=True,
|
|
)
|
|
except subprocess.CalledProcessError as e:
|
|
output = e.output
|
|
|
|
return re.match(r"black, version (.*)$", output)[1]
|
|
|
|
|
|
def parse_issues(config, output, paths, *, log):
|
|
would_reformat = re.compile("^would reformat (.*)$", re.I)
|
|
reformatted = re.compile("^reformatted (.*)$", re.I)
|
|
cannot_reformat = re.compile("^error: cannot format (.*?): (.*)$", re.I)
|
|
results = []
|
|
for line in output:
|
|
line = line.decode("utf-8")
|
|
if line.startswith("All done!") or line.startswith("Oh no!"):
|
|
break
|
|
|
|
match = would_reformat.match(line)
|
|
if match:
|
|
res = {"path": match.group(1), "level": "error"}
|
|
results.append(result.from_config(config, **res))
|
|
continue
|
|
|
|
match = reformatted.match(line)
|
|
if match:
|
|
res = {"path": match.group(1), "level": "warning", "message": "reformatted"}
|
|
results.append(result.from_config(config, **res))
|
|
continue
|
|
|
|
match = cannot_reformat.match(line)
|
|
if match:
|
|
res = {"path": match.group(1), "level": "error", "message": match.group(2)}
|
|
results.append(result.from_config(config, **res))
|
|
continue
|
|
|
|
log.debug("Unhandled line", line)
|
|
return results
|
|
|
|
|
|
class BlackProcess(ProcessHandler):
|
|
def __init__(self, config, *args, **kwargs):
|
|
self.config = config
|
|
kwargs["stream"] = False
|
|
ProcessHandler.__init__(self, *args, **kwargs)
|
|
|
|
def run(self, *args, **kwargs):
|
|
orig = signal.signal(signal.SIGINT, signal.SIG_IGN)
|
|
ProcessHandler.run(self, *args, **kwargs)
|
|
signal.signal(signal.SIGINT, orig)
|
|
|
|
|
|
def run_process(config, cmd):
|
|
proc = BlackProcess(config, cmd)
|
|
proc.run()
|
|
try:
|
|
proc.wait()
|
|
except KeyboardInterrupt:
|
|
proc.kill()
|
|
|
|
return proc.output
|
|
|
|
|
|
def setup(root, **lintargs):
|
|
if not pip.reinstall_program(BLACK_REQUIREMENTS_PATH):
|
|
print(BLACK_INSTALL_ERROR)
|
|
return 1
|
|
|
|
|
|
def run_black(config, paths, fix=None, *, log):
|
|
binary = os.path.join(bindir, "black")
|
|
|
|
log.debug("Black version {}".format(get_black_version(binary)))
|
|
|
|
cmd_args = [binary]
|
|
if not fix:
|
|
cmd_args.append("--check")
|
|
base_command = cmd_args + paths
|
|
log.debug("Command: {}".format(" ".join(base_command)))
|
|
return parse_issues(config, run_process(config, base_command), paths, log=log)
|
|
|
|
|
|
def lint(paths, config, fix=None, **lintargs):
|
|
files = list(expand_exclusions(paths, config, lintargs["root"]))
|
|
|
|
return run_black(config, files, fix=fix, log=lintargs["log"])
|