init() — anthropic-sdk-python Function Reference

Architecture documentation for the __init__() function in _base_client.py from the anthropic-sdk-python codebase.

Function python AnthropicClient SyncAPI

Entity Profile

AnthropicClient→ SyncAPI→ __init__() — anthropic-sdk-python Function Reference

Dependency Diagram

graph TD
  f44332d5_f28c_4563_7a62_731e0bbb1a07["__init__()"]
  4b46ed95_ff71_ea5d_7534_6929dc929bdb["SyncAPIClient"]
  f44332d5_f28c_4563_7a62_731e0bbb1a07 -->|defined in| 4b46ed95_ff71_ea5d_7534_6929dc929bdb
  style f44332d5_f28c_4563_7a62_731e0bbb1a07 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/anthropic/_base_client.py lines 914–958

    def __init__(
        self,
        *,
        version: str,
        base_url: str | URL,
        max_retries: int = DEFAULT_MAX_RETRIES,
        timeout: float | Timeout | None | NotGiven = not_given,
        http_client: httpx.Client | None = None,
        custom_headers: Mapping[str, str] | None = None,
        custom_query: Mapping[str, object] | None = None,
        _strict_response_validation: bool,
    ) -> None:
        if not is_given(timeout):
            # if the user passed in a custom http client with a non-default
            # timeout set then we use that timeout.
            #
            # note: there is an edge case here where the user passes in a client
            # where they've explicitly set the timeout to match the default timeout
            # as this check is structural, meaning that we'll think they didn't
            # pass in a timeout and will ignore it
            if http_client and http_client.timeout != HTTPX_DEFAULT_TIMEOUT:
                timeout = http_client.timeout
            else:
                timeout = DEFAULT_TIMEOUT

        if http_client is not None and not isinstance(http_client, httpx.Client):  # pyright: ignore[reportUnnecessaryIsInstance]
            raise TypeError(
                f"Invalid `http_client` argument; Expected an instance of `httpx.Client` but got {type(http_client)}"
            )

        super().__init__(
            version=version,
            # cast to a valid type because mypy doesn't understand our type narrowing
            timeout=cast(Timeout, timeout),
            base_url=base_url,
            max_retries=max_retries,
            custom_query=custom_query,
            custom_headers=custom_headers,
            _strict_response_validation=_strict_response_validation,
        )
        self._client = http_client or SyncHttpxClientWrapper(
            base_url=base_url,
            # cast to a valid type because mypy doesn't understand our type narrowing
            timeout=cast(Timeout, timeout),
        )