def load_pip_requirements(self, files_map=None, freeze=True):
        if files_map is None:
            files_map = self.default_pip_files
        for group, requirements_txt in files_map.items():
            path = Path(requirements_txt)
            if not path.exists() and group.lower() == "all" and freeze:
                cmd = envoy.run("pip freeze")
                self[group].loads(cmd.std_out)
            elif path.exists():
                self[group].load(path)
def __init__(self, resolver, proxy_type, key):
        if proxy_type == "file":
            self._method = resolver.get_file_content
        elif proxy_type == "param":
            self._method = resolver.get_parameter_value
        elif proxy_type == "secret":
            self._method = resolver.get_secret_value
        elif proxy_type == "bucket_file":
            self._method = resolver.get_bucket_file
        else:
            raise ValueError("Unknown proxy type %s", proxy_type)
        self._key = key