_prepare_request() — anthropic-sdk-python Function Reference

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

Function python AnthropicClient AsyncAPI calls 2 called by 1

Entity Profile

AnthropicClient→ AsyncAPI→ _prepare_request() — anthropic-sdk-python Function Reference

Dependency Diagram

graph TD
  48e11fa3_882f_25cd_4edd_3ada19d59664["_prepare_request()"]
  5fb2d3b6_3351_6580_364d_089a42b38b46["AnthropicVertex"]
  48e11fa3_882f_25cd_4edd_3ada19d59664 -->|defined in| 5fb2d3b6_3351_6580_364d_089a42b38b46
  562c226e_d12f_aba5_59c1_72cf16b01d1f["_prepare_request()"]
  562c226e_d12f_aba5_59c1_72cf16b01d1f -->|calls| 48e11fa3_882f_25cd_4edd_3ada19d59664
  26ddfdd3_edf1_2adc_5603_1eed5c624138["_ensure_access_token()"]
  48e11fa3_882f_25cd_4edd_3ada19d59664 -->|calls| 26ddfdd3_edf1_2adc_5603_1eed5c624138
  562c226e_d12f_aba5_59c1_72cf16b01d1f["_prepare_request()"]
  48e11fa3_882f_25cd_4edd_3ada19d59664 -->|calls| 562c226e_d12f_aba5_59c1_72cf16b01d1f
  style 48e11fa3_882f_25cd_4edd_3ada19d59664 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/anthropic/lib/vertex/_client.py lines 151–156

    def _prepare_request(self, request: httpx.Request) -> None:
        if request.headers.get("Authorization"):
            # already authenticated, nothing for us to do
            return

        request.headers["Authorization"] = f"Bearer {self._ensure_access_token()}"