test_runpy.py 文件源码

def _make_pkg(self, source, depth, mod_base="runpy_test"):
        pkg_name = "__runpy_pkg__"
        test_fname = mod_base+os.extsep+"py"
        pkg_dir = sub_dir = tempfile.mkdtemp()
        if verbose: print("  Package tree in:", sub_dir)
        sys.path.insert(0, pkg_dir)
        if verbose: print("  Updated sys.path:", sys.path[0])
        for i in range(depth):
            sub_dir = os.path.join(sub_dir, pkg_name)
            pkg_fname = self._add_pkg_dir(sub_dir)
            if verbose: print("  Next level in:", sub_dir)
            if verbose: print("  Created:", pkg_fname)
        mod_fname = os.path.join(sub_dir, test_fname)
        mod_file = open(mod_fname, "w")
        mod_file.write(source)
        mod_file.close()
        if verbose: print("  Created:", mod_fname)
        mod_name = (pkg_name+".")*depth + mod_base
        return pkg_dir, mod_fname, mod_name