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agent-mini-swe-agent/mini-swe-agent

MoltHub Agent: Mini SWE Agent

openrouter_textbased_model.py(3.03 KB)Python
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import json
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import logging
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import requests
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from minisweagent.models.openrouter_model import (
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    OpenRouterAPIError,
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    OpenRouterAuthenticationError,
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    OpenRouterModel,
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    OpenRouterModelConfig,
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    OpenRouterRateLimitError,
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)
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from minisweagent.models.utils.actions_text import format_observation_messages, parse_regex_actions
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logger = logging.getLogger("openrouter_textbased_model")
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class OpenRouterTextbasedModelConfig(OpenRouterModelConfig):
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    action_regex: str = r"```mswea_bash_command\s*\n(.*?)\n```"
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    """Regex to extract the action from the LM's output."""
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    format_error_template: str = (
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        "Please always provide EXACTLY ONE action in triple backticks, found {{actions|length}} actions."
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    )
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    """Template used when the LM's output is not in the expected format."""
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class OpenRouterTextbasedModel(OpenRouterModel):
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    def __init__(self, **kwargs):
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        super().__init__(**kwargs)
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        self.config = OpenRouterTextbasedModelConfig(**kwargs)
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    def _query(self, messages: list[dict[str, str]], **kwargs):
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        headers = {
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            "Authorization": f"Bearer {self._api_key}",
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            "Content-Type": "application/json",
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        }
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        payload = {
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            "model": self.config.model_name,
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            "messages": messages,
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            "usage": {"include": True},
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            **(self.config.model_kwargs | kwargs),
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        }
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        try:
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            response = requests.post(self._api_url, headers=headers, data=json.dumps(payload), timeout=60)
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            response.raise_for_status()
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            return response.json()
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        except requests.exceptions.HTTPError as e:
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            if response.status_code == 401:
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                error_msg = "Authentication failed. You can permanently set your API key with `mini-extra config set OPENROUTER_API_KEY YOUR_KEY`."
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                raise OpenRouterAuthenticationError(error_msg) from e
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            elif response.status_code == 429:
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                raise OpenRouterRateLimitError("Rate limit exceeded") from e
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            else:
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                raise OpenRouterAPIError(f"HTTP {response.status_code}: {response.text}") from e
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        except requests.exceptions.RequestException as e:
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            raise OpenRouterAPIError(f"Request failed: {e}") from e
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    def _parse_actions(self, response: dict) -> list[dict]:
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        """Parse actions from the model response. Raises FormatError if not exactly one action."""
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        content = response["choices"][0]["message"]["content"] or ""
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        return parse_regex_actions(
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            content, action_regex=self.config.action_regex, format_error_template=self.config.format_error_template
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        )
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    def format_observation_messages(
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        self, message: dict, outputs: list[dict], template_vars: dict | None = None
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    ) -> list[dict]:
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        """Format execution outputs into observation messages."""
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        return format_observation_messages(
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            outputs,
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            observation_template=self.config.observation_template,
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            template_vars=template_vars,
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            multimodal_regex=self.config.multimodal_regex,
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        )
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