def get_installed_pypackages():
    return {p.project_name.lower(): p for p in pkg_resources.working_set}
def update_submodules(cls, location):
        if not os.path.exists(os.path.join(location, '.gitmodules')):
            return
        cls.run_command(
            ['submodule', 'update', '--init', '--recursive', '-q'],
            cwd=location,
        )