​
strip_trailing_whitespace_from_messages

def strip_trailing_whitespace_from_messages(messages: List[OpenAIMessage]):

Strip trailing whitespace from all message contents in a list of messages. This is necessary because the Anthropic API doesn’t allow trailing whitespace in message content.

Parameters:

  • messages (List[OpenAIMessage]): List of messages to process

Returns:

List[OpenAIMessage]: The processed messages with trailing whitespace removed

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AnthropicModel

class AnthropicModel(OpenAICompatibleModel):

Anthropic API in a unified OpenAICompatibleModel interface.

Parameters:

  • model_type (Union[ModelType, str]): Model for which a backend is created, one of CLAUDE_* series.
  • model_config_dict (Optional[Dict[str, Any]], optional): A dictionary that will be fed into openai.ChatCompletion.create(). If :obj:None, :obj:AnthropicConfig().as_dict() will be used. (default: :obj:None)
  • api_key (Optional[str], optional): The API key for authenticating with the Anthropic service. (default: :obj:None)
  • url (Optional[str], optional): The url to the Anthropic service. (default: :obj:https://api.anthropic.com/v1/)
  • token_counter (Optional[BaseTokenCounter], optional): Token counter to use for the model. If not provided, :obj:AnthropicTokenCounter will be used. (default: :obj:None)
  • timeout (Optional[float], optional): The timeout value in seconds for API calls. If not provided, will fall back to the MODEL_TIMEOUT environment variable or default to 180 seconds. (default: :obj:None)
  • max_retries (int, optional): Maximum number of retries for API calls. (default: :obj:3) **kwargs (Any): Additional arguments to pass to the client initialization.

​
init

def __init__(
    self,
    model_type: Union[ModelType, str],
    model_config_dict: Optional[Dict[str, Any]] = None,
    api_key: Optional[str] = None,
    url: Optional[str] = None,
    token_counter: Optional[BaseTokenCounter] = None,
    timeout: Optional[float] = None,
    max_retries: int = 3,
    **kwargs: Any
):

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token_counter

def token_counter(self):

Returns:

BaseTokenCounter: The token counter following the model’s tokenization style.

​
check_model_config

def check_model_config(self):

​
_request_chat_completion

def _request_chat_completion(
    self,
    messages: List[OpenAIMessage],
    tools: Optional[List[Dict[str, Any]]] = None
):

​
_patch_anthropic_token_counter

def _patch_anthropic_token_counter(self):

Monkey patch the AnthropicTokenCounter class to handle trailing whitespace.

This patches the count_tokens_from_messages method to strip trailing whitespace from message content before sending to the Anthropic API.