chore: initial public snapshot for github upload
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import requests
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from typing import List, Dict, Any, Optional, Union
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from .exceptions import UnauthorizedError, NotFoundError
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class ModelsManagementClient:
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def __init__(self, base_url: str, api_key: Optional[str] = None):
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"""
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Initialize the ModelsManagementClient.
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Args:
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base_url (str): The base URL of the LiteLLM proxy server (e.g., "http://localhost:8000")
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api_key (Optional[str]): API key for authentication. If provided, it will be sent as a Bearer token.
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"""
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self._base_url = base_url.rstrip("/") # Remove trailing slash if present
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self._api_key = api_key
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def _get_headers(self) -> Dict[str, str]:
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"""
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Get the headers for API requests, including authorization if api_key is set.
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Returns:
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Dict[str, str]: Headers to use for API requests
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"""
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headers = {}
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if self._api_key:
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headers["Authorization"] = f"Bearer {self._api_key}"
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return headers
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def list(
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self, return_request: bool = False
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) -> Union[List[Dict[str, Any]], requests.Request]:
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"""
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Get the list of models supported by the server.
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Args:
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return_request (bool): If True, returns the prepared request object instead of executing it.
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Useful for inspection or modification before sending.
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Returns:
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Union[List[Dict[str, Any]], requests.Request]: Either a list of model information dictionaries
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or a prepared request object if return_request is True.
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Raises:
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UnauthorizedError: If the request fails with a 401 status code
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requests.exceptions.RequestException: If the request fails with any other error
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"""
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url = f"{self._base_url}/models"
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request = requests.Request("GET", url, headers=self._get_headers())
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if return_request:
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return request
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# Prepare and send the request
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session = requests.Session()
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try:
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response = session.send(request.prepare())
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response.raise_for_status()
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return response.json()["data"]
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except requests.exceptions.HTTPError as e:
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if e.response.status_code == 401:
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raise UnauthorizedError(e)
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raise
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def new(
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self,
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model_name: str,
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model_params: Dict[str, Any],
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model_info: Optional[Dict[str, Any]] = None,
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return_request: bool = False,
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) -> Union[Dict[str, Any], requests.Request]:
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"""
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Add a new model to the proxy.
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Args:
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model_name (str): Name of the model to add
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model_params (Dict[str, Any]): Parameters for the model (e.g., model type, api_base, api_key)
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model_info (Optional[Dict[str, Any]]): Additional information about the model
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return_request (bool): If True, returns the prepared request object instead of executing it
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Returns:
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Union[Dict[str, Any], requests.Request]: Either the response from the server or
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a prepared request object if return_request is True
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Raises:
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UnauthorizedError: If the request fails with a 401 status code
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requests.exceptions.RequestException: If the request fails with any other error
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"""
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url = f"{self._base_url}/model/new"
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data = {
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"model_name": model_name,
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"litellm_params": model_params,
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}
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if model_info:
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data["model_info"] = model_info
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request = requests.Request("POST", url, headers=self._get_headers(), json=data)
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if return_request:
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return request
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# Prepare and send the request
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session = requests.Session()
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try:
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response = session.send(request.prepare())
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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 e.response.status_code == 401:
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raise UnauthorizedError(e)
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raise
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def delete(
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self, model_id: str, return_request: bool = False
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) -> Union[Dict[str, Any], requests.Request]:
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"""
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Delete a model from the proxy.
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Args:
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model_id (str): ID of the model to delete (e.g., "2f23364f-4579-4d79-a43a-2d48dd551c2e")
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return_request (bool): If True, returns the prepared request object instead of executing it
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Returns:
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Union[Dict[str, Any], requests.Request]: Either the response from the server or
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a prepared request object if return_request is True
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Raises:
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UnauthorizedError: If the request fails with a 401 status code
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NotFoundError: If the request fails with a 404 status code or indicates the model was not found
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requests.exceptions.RequestException: If the request fails with any other error
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"""
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url = f"{self._base_url}/model/delete"
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data = {"id": model_id}
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request = requests.Request("POST", url, headers=self._get_headers(), json=data)
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if return_request:
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return request
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# Prepare and send the request
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session = requests.Session()
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try:
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response = session.send(request.prepare())
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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 e.response.status_code == 401:
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raise UnauthorizedError(e)
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if e.response.status_code == 404 or "not found" in e.response.text.lower():
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raise NotFoundError(e)
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raise
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def get(
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self,
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model_id: Optional[str] = None,
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model_name: Optional[str] = None,
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return_request: bool = False,
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) -> Union[Dict[str, Any], requests.Request]:
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"""
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Get information about a specific model by its ID or name.
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Args:
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model_id (Optional[str]): ID of the model to retrieve
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model_name (Optional[str]): Name of the model to retrieve
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return_request (bool): If True, returns the prepared request object instead of executing it
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Returns:
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Union[Dict[str, Any], requests.Request]: Either the model information from the server or
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a prepared request object if return_request is True
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Raises:
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ValueError: If neither model_id nor model_name is provided, or if both are provided
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UnauthorizedError: If the request fails with a 401 status code
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NotFoundError: If the model is not found
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requests.exceptions.RequestException: If the request fails with any other error
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"""
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if (model_id is None and model_name is None) or (
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model_id is not None and model_name is not None
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):
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raise ValueError("Exactly one of model_id or model_name must be provided")
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# If return_request is True, delegate to info
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if return_request:
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result = self.info(return_request=True)
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assert isinstance(result, requests.Request)
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return result
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# Get all models and filter
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models = self.info()
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assert isinstance(models, List)
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# Find the matching model
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for model in models:
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if (model_id and model.get("model_info", {}).get("id") == model_id) or (
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model_name and model.get("model_name") == model_name
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):
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return model
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# If we get here, no model was found
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if model_id:
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msg = f"Model with id={model_id} not found"
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elif model_name:
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msg = f"Model with model_name={model_name} not found"
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else:
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msg = "Unknown error trying to find model"
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raise NotFoundError(
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requests.exceptions.HTTPError(
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msg,
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response=requests.Response(), # Empty response since we didn't make a direct request
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)
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)
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def info(
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self, return_request: bool = False
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) -> Union[List[Dict[str, Any]], requests.Request]:
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"""
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Get detailed information about all models from the server.
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Args:
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return_request (bool): If True, returns the prepared request object instead of executing it
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Returns:
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Union[List[Dict[str, Any]], requests.Request]: Either a list of model information dictionaries
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or a prepared request object if return_request is True
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Raises:
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UnauthorizedError: If the request fails with a 401 status code
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requests.exceptions.RequestException: If the request fails with any other error
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"""
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url = f"{self._base_url}/v1/model/info"
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request = requests.Request("GET", url, headers=self._get_headers())
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if return_request:
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return request
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# Prepare and send the request
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session = requests.Session()
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try:
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response = session.send(request.prepare())
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response.raise_for_status()
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return response.json()["data"]
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except requests.exceptions.HTTPError as e:
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if e.response.status_code == 401:
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raise UnauthorizedError(e)
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raise
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def update(
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self,
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model_id: str,
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model_params: Dict[str, Any],
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model_info: Optional[Dict[str, Any]] = None,
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return_request: bool = False,
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) -> Union[Dict[str, Any], requests.Request]:
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"""
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Update an existing model's configuration.
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Args:
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model_id (str): ID of the model to update
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model_params (Dict[str, Any]): New parameters for the model (e.g., model type, api_base, api_key)
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model_info (Optional[Dict[str, Any]]): Additional information about the model
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return_request (bool): If True, returns the prepared request object instead of executing it
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Returns:
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Union[Dict[str, Any], requests.Request]: Either the response from the server or
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a prepared request object if return_request is True
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Raises:
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UnauthorizedError: If the request fails with a 401 status code
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NotFoundError: If the model is not found
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requests.exceptions.RequestException: If the request fails with any other error
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"""
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url = f"{self._base_url}/model/update"
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data = {
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"id": model_id,
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"litellm_params": model_params,
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}
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if model_info:
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data["model_info"] = model_info
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request = requests.Request("POST", url, headers=self._get_headers(), json=data)
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if return_request:
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return request
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# Prepare and send the request
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session = requests.Session()
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try:
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response = session.send(request.prepare())
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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 e.response.status_code == 401:
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raise UnauthorizedError(e)
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if e.response.status_code == 404 or "not found" in e.response.text.lower():
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raise NotFoundError(e)
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raise
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