#29065: Only load Pillow if needed
-------------------------------------+-------------------------------------
     Reporter:  Collin Anderson      |                    Owner:  nobody
         Type:                       |                   Status:  new
  Cleanup/optimization               |
    Component:  Core (Other)         |                  Version:  2.0
     Severity:  Normal               |               Resolution:
     Keywords:                       |             Triage Stage:
                                     |  Unreviewed
    Has patch:  1                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
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Comment (by Collin Anderson):

 A few advantages:
 If for some reason you can't or have trouble installing pillow, everything
 else will work fine. It makes django a bit more "lightweight" to have the
 dependency be optional.

 Loading Pillow increases memory usage by 5% (2mb) (in my quick testing)
 for a runserver on an empty project:
 37608kb without loading pillow
 39768kb with loading pillow

 Also, doesn't matter quite as much, but running "check" also takes about
 5% longer (25ms) on an empty project for me when including pillow:
 360-400ms without loading pillow
 393-424ms with loading pillow

-- 
Ticket URL: <https://code.djangoproject.com/ticket/29065#comment:4>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.

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