def module_from_path()

in libmozdata/modules.py [0:0]

• 28 lines of code
• 16 McCabe index (conditional complexity)

def module_from_path(path):
    maxCommon = dict(module=None, directory="")

    for module in data:
        for directory in module["sourceDirs"]:
            if (
                len(os.path.commonprefix([path, directory]))
                > len(os.path.commonprefix([path, maxCommon["directory"]]))
            ) and __match(path, directory):
                maxCommon["module"] = module
                maxCommon["directory"] = directory

    # If we couldn't pinpoint the module, use some heuristics.
    if maxCommon["module"] is None:
        if (
            path.endswith("configure.in")
            or path.endswith("moz.build")
            or path.endswith("client.mk")
            or path.endswith("moz.configure")
            or path.endswith("aclocal.m4")
            or path.endswith("Makefile.in")
            or path.startswith("python/mach")
        ):
            return module_info("Build Config")

        if path.startswith("js/"):
            return module_info("JavaScript")

        if path.startswith("security/"):
            return module_info("security")

        if path.startswith("tools/profiler/"):
            return module_info("Code Analysis and Debugging Tools")

    return maxCommon["module"]