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run-clang-tidy.py
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run-clang-tidy.py
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#!/usr/bin/env python
# Run clang-tidy recursively and parallel on directory
# Usage: run-clang-tidy sourcedir builddir excludedirs extensions
# extensions and excludedirs are specified as comma-separated
# string without dot, e.g. 'c,cpp'
# e.g. run-clang-tidy . build test,other c,cpp file
import os, sys, subprocess, multiprocessing
manager = multiprocessing.Manager()
failedfiles = manager.list()
# Get absolute paths from arguments
print("Arguments: " + str(sys.argv))
sourcedir = os.path.abspath(sys.argv[1])
print("Source directory: " + sourcedir)
builddir = os.path.abspath(sys.argv[2])
print("Build directory: " + builddir)
# If exclude dirs is not empty, split it into a tuple
excludedirs = ()
if sys.argv[3]:
excludedirs = tuple([os.path.join(sourcedir, s) for s in sys.argv[3].split(',')])
# If the build directory is not the same as the source directory, exclude it
if not sourcedir == builddir:
excludedirs = excludedirs + (builddir,)
print("Exclude directories: " + str(excludedirs))
# Split extensions into a tuple
extensions = tuple([("." + s) for s in sys.argv[4].split(',')])
print("Extensions: " + str(extensions))
def runclangtidy(filepath):
print("Checking: " + filepath)
proc = subprocess.Popen(f'clang-tidy --quiet -p {builddir} {filepath}', shell=True)
if proc.wait() != 0:
failedfiles.append(filepath)
def collectfiles(dir, exclude, exts):
collectedfiles = []
for root, dirs, files in os.walk(dir):
root = os.path.abspath(root)
for file in files:
filepath = os.path.join(root, file)
if (len(exclude) == 0 or not filepath.startswith(exclude)) and filepath.endswith(exts):
collectedfiles.append(filepath)
return collectedfiles
# Define the pool AFTER the global variables and subprocess function because WTF python
# See: https://stackoverflow.com/questions/41385708/multiprocessing-example-giving-attributeerror
pool = multiprocessing.Pool()
pool.map(runclangtidy, collectfiles(sourcedir, excludedirs, extensions))
pool.close()
pool.join()
if len(failedfiles) > 0:
print("Errors in " + len(failedfiles) + " files")
sys.exit(1)
print("No errors found")
sys.exit(0)