clang-tidy wrapper that handles .h files

clangtidy.py

#!/usr/bin/env python
import os.path
import subprocess
import platform

osname = platform.system()

def which(program):
    import os
    def is_exe(fpath):
        return os.path.isfile(fpath) and os.access(fpath, os.X_OK)

    fpath, fname = os.path.split(program)
    if fpath:
        if is_exe(program):
            return program
    else:
        for path in os.environ['PATH'].split(os.pathsep):
            path = path.strip("'")
            exe_file = os.path.join(path, program)
            if is_exe(exe_file):
                return exe_file

    return None


def main(args) :
    fileName = None
    buildDir = None
    realArgs = []
    while args :
        if args[0] =='-p' :
            buildDir = args[1]
            args = args[1:]
        elif args[0][0] == '-' :
            realArgs.append(args[0])
        else :
            fileName = args[0]
        args = args[1:]

    cppFile = None
    if fileName :
        base,ext = os.path.splitext(fileName)
        if ext == '.h' or ext == '.hpp' :
            cppFile = base + '.cpp'
    if cppFile and os.path.isfile(cppFile) :
        realArgs.append(cppFile)
        realArgs.append("-line-filter=[{\"name\":\"" + fileName + "\"}]")
        realArgs.append("-header-filter=" + fileName)
    elif fileName :
        realArgs.append(fileName)
    if buildDir :
        realArgs.append("-p")
        realArgs.append(buildDir)

    clangTidy = which('clang-tidy')
    subprocess.call([clangTidy] + realArgs)


if __name__ == '__main__':
    import sys
    main(sys.argv)