prepare_headers() — requests Function Reference

Architecture documentation for the prepare_headers() function in models.py from the requests codebase.

Function python CoreAPI VerbHandlers calls 3 called by 1

Entity Profile

CoreAPI→ VerbHandlers→ prepare_headers() — requests Function Reference

Dependency Diagram

graph TD
  cf59faf9_2b09_589c_b9c7_f2e4c7d65c4d["prepare_headers()"]
  c8cfcd0c_a36a_3124_6cd4_1516b06c63b3["PreparedRequest"]
  cf59faf9_2b09_589c_b9c7_f2e4c7d65c4d -->|defined in| c8cfcd0c_a36a_3124_6cd4_1516b06c63b3
  3fc6c343_3d70_670f_636f_1fcab0f8a681["prepare()"]
  3fc6c343_3d70_670f_636f_1fcab0f8a681 -->|calls| cf59faf9_2b09_589c_b9c7_f2e4c7d65c4d
  342c3122_113c_32a4_2286_94935f7ac0a8["items()"]
  cf59faf9_2b09_589c_b9c7_f2e4c7d65c4d -->|calls| 342c3122_113c_32a4_2286_94935f7ac0a8
  38488cd6_56a1_f8ac_428d_9118e232a87c["check_header_validity()"]
  cf59faf9_2b09_589c_b9c7_f2e4c7d65c4d -->|calls| 38488cd6_56a1_f8ac_428d_9118e232a87c
  0ab29509_59a1_1f68_fae2_146376240019["to_native_string()"]
  cf59faf9_2b09_589c_b9c7_f2e4c7d65c4d -->|calls| 0ab29509_59a1_1f68_fae2_146376240019
  style cf59faf9_2b09_589c_b9c7_f2e4c7d65c4d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/requests/models.py lines 485–494

    def prepare_headers(self, headers):
        """Prepares the given HTTP headers."""

        self.headers = CaseInsensitiveDict()
        if headers:
            for header in headers.items():
                # Raise exception on invalid header value.
                check_header_validity(header)
                name, value = header
                self.headers[to_native_string(name)] = value