_prepare_options() — anthropic-sdk-python Function Reference

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

Function python AnthropicClient SyncAPI calls 1 called by 2

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

Dependency Diagram

graph TD
  79c39c47_68fb_666e_6789_686b79b96571["_prepare_options()"]
  cbdd42fd_75f9_7cc6_3f3b_b8d939e4c157["_client.py"]
  79c39c47_68fb_666e_6789_686b79b96571 -->|defined in| cbdd42fd_75f9_7cc6_3f3b_b8d939e4c157
  edd748c3_bd8e_a7a2_8c66_e4824029d1bf["_prepare_options()"]
  edd748c3_bd8e_a7a2_8c66_e4824029d1bf -->|calls| 79c39c47_68fb_666e_6789_686b79b96571
  87dc8d50_1d41_3e7b_956e_840605cf6288["_prepare_options()"]
  87dc8d50_1d41_3e7b_956e_840605cf6288 -->|calls| 79c39c47_68fb_666e_6789_686b79b96571
  edd748c3_bd8e_a7a2_8c66_e4824029d1bf["_prepare_options()"]
  79c39c47_68fb_666e_6789_686b79b96571 -->|calls| edd748c3_bd8e_a7a2_8c66_e4824029d1bf
  style 79c39c47_68fb_666e_6789_686b79b96571 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/anthropic/lib/bedrock/_client.py lines 38–67

def _prepare_options(input_options: FinalRequestOptions) -> FinalRequestOptions:
    options = model_copy(input_options, deep=True)

    if is_dict(options.json_data):
        options.json_data.setdefault("anthropic_version", DEFAULT_VERSION)

        if is_given(options.headers):
            betas = options.headers.get("anthropic-beta")
            if betas:
                options.json_data.setdefault("anthropic_beta", betas.split(","))

    if options.url in {"/v1/complete", "/v1/messages", "/v1/messages?beta=true"} and options.method == "post":
        if not is_dict(options.json_data):
            raise RuntimeError("Expected dictionary json_data for post /completions endpoint")

        model = options.json_data.pop("model", None)
        model = urllib.parse.quote(str(model), safe=":")
        stream = options.json_data.pop("stream", False)
        if stream:
            options.url = f"/model/{model}/invoke-with-response-stream"
        else:
            options.url = f"/model/{model}/invoke"

    if options.url.startswith("/v1/messages/batches"):
        raise AnthropicError("The Batch API is not supported in Bedrock yet")

    if options.url == "/v1/messages/count_tokens":
        raise AnthropicError("Token counting is not supported in Bedrock yet")

    return options