main.py 文件源码

def _tryconvertpyarg(self, x):
        """Convert a dotted module name to path.

        """
        import pkgutil
        try:
            loader = pkgutil.find_loader(x)
        except ImportError:
            return x
        if loader is None:
            return x
        # This method is sometimes invoked when AssertionRewritingHook, which
        # does not define a get_filename method, is already in place:
        try:
            path = loader.get_filename(x)
        except AttributeError:
            # Retrieve path from AssertionRewritingHook:
            path = loader.modules[x][0].co_filename
        if loader.is_package(x):
            path = os.path.dirname(path)
        return path