def _prepare_options()

in src/anthropic/lib/bedrock/_client.py [0:0]

• 23 lines of code
• 10 McCabe index (conditional complexity)

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