def _chain_lookup()

in chalice/config.py [0:0]

• 19 lines of code
• 6 McCabe index (conditional complexity)

    def _chain_lookup(self, name: str, varies_per_chalice_stage: bool = False,
                      varies_per_function: bool = False) -> Any:
        search_dicts = [self._user_provided_params]
        if varies_per_chalice_stage:
            search_dicts.append(
                self._config_from_disk.get('stages', {}).get(
                    self.chalice_stage, {}))
        if varies_per_function:
            # search order:
            # config['stages']['lambda_functions']
            # config['stages']
            # config['lambda_functions']
            search_dicts.insert(
                0, self._config_from_disk.get('stages', {}).get(
                    self.chalice_stage, {}).get('lambda_functions', {}).get(
                        self.function_name, {}))
            search_dicts.append(
                self._config_from_disk.get('lambda_functions', {}).get(
                    self.function_name, {}))
        search_dicts.extend([self._config_from_disk, self._default_params])
        for cfg_dict in search_dicts:
            if isinstance(cfg_dict, dict) and cfg_dict.get(name) is not None:
                return cfg_dict[name]