#33518: Add alias RemovedAfterNextVersionWarning for deprecations after next
version
------------------------------------------------+------------------------
               Reporter:  Shai Berger           |          Owner:  nobody
                   Type:  Cleanup/optimization  |         Status:  new
              Component:  Core (Other)          |        Version:  dev
               Severity:  Normal                |       Keywords:
           Triage Stage:  Unreviewed            |      Has patch:  0
    Needs documentation:  1                     |    Needs tests:  0
Patch needs improvement:  0                     |  Easy pickings:  1
                  UI/UX:  0                     |
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 For a very long time, we've had in {{{django.utils.deprecation}}}
 something like this (from the 3.2 source code):
 {{{#!python
 class RemovedInDjango40Warning(DeprecationWarning):
     pass


 class RemovedInDjango41Warning(PendingDeprecationWarning):
     pass


 RemovedInNextVersionWarning = RemovedInDjango40Warning
 }}}
 Or (current master, towards 4.1):
 {{{#!python
 class RemovedInNextVersionWarning(DeprecationWarning):
     pass


 class RemovedInDjango50Warning(PendingDeprecationWarning):
     pass
 }}}

 I suggest that we add an alias, {{{RemovedAfterNextVersion}}} for the
 {{{PendingDeprecationWarning}}} subclass.

 The motivation is to make it easier for long-running projects to prepare
 for future deprecations, with scripts that run tests with special filters
 on the relevant warnings; currently, such scripts need to be updated for
 every version. This is especially important for projects which stick to
 LTS versions, as for them, both warnings need to be treated the same.

-- 
Ticket URL: <https://code.djangoproject.com/ticket/33518>
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