prepare_content_length() — requests Function Reference

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

Function python CoreAPI VerbHandlers calls 2 called by 2

Entity Profile

CoreAPI→ VerbHandlers→ prepare_content_length() — requests Function Reference

Dependency Diagram

graph TD
  ad57bfe9_2bba_ea6e_5e85_44c51303ed35["prepare_content_length()"]
  c8cfcd0c_a36a_3124_6cd4_1516b06c63b3["PreparedRequest"]
  ad57bfe9_2bba_ea6e_5e85_44c51303ed35 -->|defined in| c8cfcd0c_a36a_3124_6cd4_1516b06c63b3
  fdb744d2_4cc0_a0f9_c288_a0abeac5e58e["prepare_body()"]
  fdb744d2_4cc0_a0f9_c288_a0abeac5e58e -->|calls| ad57bfe9_2bba_ea6e_5e85_44c51303ed35
  bea876a9_383a_fe0e_3e83_080ef6697c9f["prepare_auth()"]
  bea876a9_383a_fe0e_3e83_080ef6697c9f -->|calls| ad57bfe9_2bba_ea6e_5e85_44c51303ed35
  afb5f427_a5f4_14c6_bceb_0bab74c9174b["super_len()"]
  ad57bfe9_2bba_ea6e_5e85_44c51303ed35 -->|calls| afb5f427_a5f4_14c6_bceb_0bab74c9174b
  3429da06_bfa7_f55e_ca34_e7199d2cf1df["get()"]
  ad57bfe9_2bba_ea6e_5e85_44c51303ed35 -->|calls| 3429da06_bfa7_f55e_ca34_e7199d2cf1df
  style ad57bfe9_2bba_ea6e_5e85_44c51303ed35 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/requests/models.py lines 574–588

    def prepare_content_length(self, body):
        """Prepare Content-Length header based on request method and body"""
        if body is not None:
            length = super_len(body)
            if length:
                # If length exists, set it. Otherwise, we fallback
                # to Transfer-Encoding: chunked.
                self.headers["Content-Length"] = builtin_str(length)
        elif (
            self.method not in ("GET", "HEAD")
            and self.headers.get("Content-Length") is None
        ):
            # Set Content-Length to 0 for methods that can have a body
            # but don't provide one. (i.e. not GET or HEAD)
            self.headers["Content-Length"] = "0"