#35440: Update parse_header_parameters to leverage the parsing logic from 
(stdlib)
email Message.
-------------------------------------+-------------------------------------
     Reporter:  Natalia Bidart       |                    Owner:  Pravin
         Type:                       |                   Status:  assigned
  Cleanup/optimization               |
    Component:  HTTP handling        |                  Version:  dev
     Severity:  Normal               |               Resolution:
     Keywords:                       |             Triage Stage:  Ready for
                                     |  checkin
    Has patch:  1                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
-------------------------------------+-------------------------------------
Changes (by Jacob Walls):

 * cc: Mike Edmunds (added)
 * needs_better_patch:  1 => 0
 * stage:  Accepted => Ready for checkin

Comment:

 On second look, we still can't use `email.Message` in the slow path, as
 the slow path is still too common (every field in a multipart POST).

 The fast paths here are still independently valuable, especially in DRF
 use cases where `parse_header_parameters()` is called in nested loops
 during content negotiation.

 After landing the fast paths, I think we should close this ticket as
 `wontfix`. I agree with Mike Edmunds in ticket:36520#comment:25 that any
 maintainable/performant solution for complex header parsing is going to
 originate with us, not with the standard library.
-- 
Ticket URL: <https://code.djangoproject.com/ticket/35440#comment:31>
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