esphome/script/clang-format

115 lines
3.4 KiB
Python
Executable File

#!/usr/bin/env python3
import argparse
import multiprocessing
import os
import queue
import re
import subprocess
import sys
import threading
import click
sys.path.append(os.path.dirname(__file__))
from helpers import get_output, git_ls_files, filter_changed
def run_format(args, queue, lock, failed_files):
"""Takes filenames out of queue and runs clang-format on them."""
while True:
path = queue.get()
invocation = ['clang-format-11']
if args.inplace:
invocation.append('-i')
else:
invocation.extend(['--dry-run', '-Werror'])
invocation.append(path)
proc = subprocess.run(invocation, capture_output=True, encoding='utf-8')
if proc.returncode != 0:
with lock:
print()
print("\033[0;32m************* File \033[1;32m{}\033[0m".format(path))
print(proc.stdout)
print(proc.stderr)
print()
failed_files.append(path)
queue.task_done()
def progress_bar_show(value):
return value if value is not None else ''
def main():
parser = argparse.ArgumentParser()
parser.add_argument('-j', '--jobs', type=int,
default=multiprocessing.cpu_count(),
help='number of format instances to be run in parallel.')
parser.add_argument('files', nargs='*', default=[],
help='files to be processed (regex on path)')
parser.add_argument('-i', '--inplace', action='store_true',
help='reformat files in-place')
parser.add_argument('-c', '--changed', action='store_true',
help='only run on changed files')
args = parser.parse_args()
try:
get_output('clang-format-11', '-version')
except:
print("""
Oops. It looks like clang-format is not installed.
Please check you can run "clang-format-11 -version" in your terminal and install
clang-format (v11) if necessary.
Note you can also upload your code as a pull request on GitHub and see the CI check
output to apply clang-format.
""")
return 1
files = []
for path in git_ls_files(['*.cpp', '*.h', '*.tcc']):
files.append(os.path.relpath(path, os.getcwd()))
if args.files:
# Match against files specified on command-line
file_name_re = re.compile('|'.join(args.files))
files = [p for p in files if file_name_re.search(p)]
if args.changed:
files = filter_changed(files)
files.sort()
failed_files = []
try:
task_queue = queue.Queue(args.jobs)
lock = threading.Lock()
for _ in range(args.jobs):
t = threading.Thread(target=run_format,
args=(args, task_queue, lock, failed_files))
t.daemon = True
t.start()
# Fill the queue with files.
with click.progressbar(files, width=30, file=sys.stderr,
item_show_func=progress_bar_show) as bar:
for name in bar:
task_queue.put(name)
# Wait for all threads to be done.
task_queue.join()
except KeyboardInterrupt:
print()
print('Ctrl-C detected, goodbye.')
os.kill(0, 9)
sys.exit(len(failed_files))
if __name__ == '__main__':
main()