rewind_body() — requests Function Reference

Architecture documentation for the rewind_body() function in utils.py from the requests codebase.

Function python CoreAPI VerbHandlers called by 1

Entity Profile

CoreAPI→ VerbHandlers→ rewind_body() — requests Function Reference

Dependency Diagram

graph TD
  e679c8f8_c181_cd54_e322_bcb974be7211["rewind_body()"]
  2c39b9da_e317_5e6c_bbac_8362bac2110c["utils.py"]
  e679c8f8_c181_cd54_e322_bcb974be7211 -->|defined in| 2c39b9da_e317_5e6c_bbac_8362bac2110c
  cbf6862f_d124_817f_3342_f1142c276f25["resolve_redirects()"]
  cbf6862f_d124_817f_3342_f1142c276f25 -->|calls| e679c8f8_c181_cd54_e322_bcb974be7211
  style e679c8f8_c181_cd54_e322_bcb974be7211 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/requests/utils.py lines 1069–1084

def rewind_body(prepared_request):
    """Move file pointer back to its recorded starting position
    so it can be read again on redirect.
    """
    body_seek = getattr(prepared_request.body, "seek", None)
    if body_seek is not None and isinstance(
        prepared_request._body_position, integer_types
    ):
        try:
            body_seek(prepared_request._body_position)
        except OSError:
            raise UnrewindableBodyError(
                "An error occurred when rewinding request body for redirect."
            )
    else:
        raise UnrewindableBodyError("Unable to rewind request body for redirect.")