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