_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 3 called by 1

Entity Profile

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

Dependency Diagram

graph TD
  562c226e_d12f_aba5_59c1_72cf16b01d1f["_prepare_request()"]
  a885dabd_0206_9ba5_949f_5990703d0a04["AsyncAnthropicVertex"]
  562c226e_d12f_aba5_59c1_72cf16b01d1f -->|defined in| a885dabd_0206_9ba5_949f_5990703d0a04
  48e11fa3_882f_25cd_4edd_3ada19d59664["_prepare_request()"]
  48e11fa3_882f_25cd_4edd_3ada19d59664 -->|calls| 562c226e_d12f_aba5_59c1_72cf16b01d1f
  d2aca394_7ad5_92b5_38ec_6c25f071ab97["_ensure_access_token()"]
  562c226e_d12f_aba5_59c1_72cf16b01d1f -->|calls| d2aca394_7ad5_92b5_38ec_6c25f071ab97
  48e11fa3_882f_25cd_4edd_3ada19d59664["_prepare_request()"]
  562c226e_d12f_aba5_59c1_72cf16b01d1f -->|calls| 48e11fa3_882f_25cd_4edd_3ada19d59664
  26ddfdd3_edf1_2adc_5603_1eed5c624138["_ensure_access_token()"]
  562c226e_d12f_aba5_59c1_72cf16b01d1f -->|calls| 26ddfdd3_edf1_2adc_5603_1eed5c624138
  style 562c226e_d12f_aba5_59c1_72cf16b01d1f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/anthropic/lib/vertex/_client.py lines 296–301

    async 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 {await self._ensure_access_token()}"