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
  2b375217_7122_a1a1_40c0_15d4fde4fbdf["__init__()"]
  3224f719_8046_78c8_59e1_47301a46ddd4["AsyncAPIClient"]
  2b375217_7122_a1a1_40c0_15d4fde4fbdf -->|defined in| 3224f719_8046_78c8_59e1_47301a46ddd4
  style 2b375217_7122_a1a1_40c0_15d4fde4fbdf fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/anthropic/_base_client.py lines 1552–1596

    def __init__(
        self,
        *,
        version: str,
        base_url: str | URL,
        _strict_response_validation: bool,
        max_retries: int = DEFAULT_MAX_RETRIES,
        timeout: float | Timeout | None | NotGiven = not_given,
        http_client: httpx.AsyncClient | None = None,
        custom_headers: Mapping[str, str] | None = None,
        custom_query: Mapping[str, object] | None = None,
    ) -> 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.AsyncClient):  # pyright: ignore[reportUnnecessaryIsInstance]
            raise TypeError(
                f"Invalid `http_client` argument; Expected an instance of `httpx.AsyncClient` but got {type(http_client)}"
            )

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