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