get_redirect_target() — requests Function Reference

Architecture documentation for the get_redirect_target() function in sessions.py from the requests codebase.

Function python CoreAPI SessionLifecycle calls 1 called by 1

Entity Profile

CoreAPI→ SessionLifecycle→ get_redirect_target() — requests Function Reference

Dependency Diagram

graph TD
  45e5de53_d23e_6c69_97ea_d5a29d1fcd7b["get_redirect_target()"]
  29cd946c_8c0d_e37c_acb9_dfb2b83bf42b["SessionRedirectMixin"]
  45e5de53_d23e_6c69_97ea_d5a29d1fcd7b -->|defined in| 29cd946c_8c0d_e37c_acb9_dfb2b83bf42b
  cbf6862f_d124_817f_3342_f1142c276f25["resolve_redirects()"]
  cbf6862f_d124_817f_3342_f1142c276f25 -->|calls| 45e5de53_d23e_6c69_97ea_d5a29d1fcd7b
  0ab29509_59a1_1f68_fae2_146376240019["to_native_string()"]
  45e5de53_d23e_6c69_97ea_d5a29d1fcd7b -->|calls| 0ab29509_59a1_1f68_fae2_146376240019
  style 45e5de53_d23e_6c69_97ea_d5a29d1fcd7b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/requests/sessions.py lines 108–126

    def get_redirect_target(self, resp):
        """Receives a Response. Returns a redirect URI or ``None``"""
        # Due to the nature of how requests processes redirects this method will
        # be called at least once upon the original response and at least twice
        # on each subsequent redirect response (if any).
        # If a custom mixin is used to handle this logic, it may be advantageous
        # to cache the redirect location onto the response object as a private
        # attribute.
        if resp.is_redirect:
            location = resp.headers["location"]
            # Currently the underlying http module on py3 decode headers
            # in latin1, but empirical evidence suggests that latin1 is very
            # rarely used with non-ASCII characters in HTTP headers.
            # It is more likely to get UTF8 header rather than latin1.
            # This causes incorrect handling of UTF8 encoded location headers.
            # To solve this, we re-encode the location in latin1.
            location = location.encode("latin1")
            return to_native_string(location, "utf8")
        return None