esphome/script/clang-format
2022-02-10 09:55:11 +01:00

121 lines
3.2 KiB
Python
Executable file

#!/usr/bin/env python3
from helpers import print_error_for_file, get_output, git_ls_files, filter_changed
import argparse
import click
import colorama
import multiprocessing
import os
import queue
import re
import subprocess
import sys
import threading
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_error_for_file(path, proc.stderr)
failed_files.append(path)
queue.task_done()
def progress_bar_show(value):
return value if value is not None else ""
def main():
colorama.init()
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()