Move the main diffviewer views to extensible class-based views.

Review Request #4471 — Created Aug. 21, 2013 and submitted

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master

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Move the main diffviewer views to extensible class-based views.

Django's pushing for class-based generic views for things, and in the
case of the diff viewer, it provides a lot of advantages.

So far, diffviewer has had a nice separation, where the code in
diffviewer was able to focus solely on diff-related work, and the code
in reviews was able to focus on objects related to review requests. This
was getting hard to maintain with the new review UI support in the diff
viewer, though, and it was clear a more extensible solution was needed.

Now, the code for rendering the diff viewer and diff fragments are
class-based. This simplifies part of the code, and gives us a foundation
for some better extensibility by subclasses. The code in reviews will
soon be able to do a lot more with the resulting renders without having
to inject a bunch of new code into diffviewer.

No logic was changed, but much of the code moved around.

Going forward, some mixins for things like fetching review request data
and checking login support will be created to reduce what these classes
have to do. I'm leaving them out of this change, though.
Tested standard diffs, interdiffs, and selecting revisions.

Unit tests pass.
Description From Last Updated

local variable 'context' is assigned to but never used

reviewbotreviewbot

Col: 20 E127 continuation line over-indented for visual indent

reviewbotreviewbot

Col: 9 E123 closing bracket does not match indentation of opening bracket's line

reviewbotreviewbot

There's not a lot of point to having this be a unicode string--it doesn't contain any non-ascii characters, and _() …

daviddavid

Col: 9 E123 closing bracket does not match indentation of opening bracket's line

reviewbotreviewbot

Col: 9 E123 closing bracket does not match indentation of opening bracket's line

reviewbotreviewbot

Col: 9 E123 closing bracket does not match indentation of opening bracket's line

reviewbotreviewbot
reviewbot
  1. This is a review from Review Bot.
      Tool: PEP8 Style Checker
      Processed Files:
        reviewboard/reviews/views.py
        reviewboard/diffviewer/views.py
        reviewboard/reviews/urls.py
      Ignored Files:
    
    
  2. reviewboard/diffviewer/views.py (Diff revision 1)
     
     
    Show all issues
    Col: 20
     E127 continuation line over-indented for visual indent
    
  3. reviewboard/reviews/views.py (Diff revision 1)
     
     
    Show all issues
    Col: 9
     E123 closing bracket does not match indentation of opening bracket's line
    
  4. 
      
reviewbot
  1. This is a review from Review Bot.
      Tool: Pyflakes
      Processed Files:
        reviewboard/reviews/views.py
        reviewboard/diffviewer/views.py
        reviewboard/reviews/urls.py
      Ignored Files:
    
    
  2. reviewboard/diffviewer/views.py (Diff revision 1)
     
     
    Show all issues
     local variable 'context' is assigned to but never used
    
  3. 
      
chipx86
reviewbot
  1. This is a review from Review Bot.
      Tool: PEP8 Style Checker
      Processed Files:
        reviewboard/reviews/views.py
        reviewboard/diffviewer/views.py
        reviewboard/reviews/urls.py
      Ignored Files:
    
    
  2. reviewboard/reviews/views.py (Diff revision 2)
     
     
    Show all issues
    Col: 9
     E123 closing bracket does not match indentation of opening bracket's line
    
  3. 
      
reviewbot
  1. This is a review from Review Bot.
      Tool: Pyflakes
      Processed Files:
        reviewboard/reviews/views.py
        reviewboard/diffviewer/views.py
        reviewboard/reviews/urls.py
      Ignored Files:
    
    
  2. 
      
david
  1. Most of this looks great. I'd like to see more docstrings.
  2. reviewboard/diffviewer/views.py (Diff revision 2)
     
     
     
    Show all issues
    There's not a lot of point to having this be a unicode string--it doesn't contain any non-ascii characters, and _() will return unicode.
  3. 
      
chipx86
reviewbot
  1. This is a review from Review Bot.
      Tool: PEP8 Style Checker
      Processed Files:
        reviewboard/reviews/views.py
        reviewboard/diffviewer/views.py
        reviewboard/reviews/urls.py
      Ignored Files:
    
    
  2. reviewboard/reviews/views.py (Diff revision 3)
     
     
    Show all issues
    Col: 9
     E123 closing bracket does not match indentation of opening bracket's line
    
  3. 
      
reviewbot
  1. This is a review from Review Bot.
      Tool: Pyflakes
      Processed Files:
        reviewboard/reviews/views.py
        reviewboard/diffviewer/views.py
        reviewboard/reviews/urls.py
      Ignored Files:
    
    
  2. 
      
chipx86
reviewbot
  1. This is a review from Review Bot.
      Tool: PEP8 Style Checker
      Processed Files:
        reviewboard/reviews/views.py
        reviewboard/diffviewer/views.py
        reviewboard/reviews/urls.py
      Ignored Files:
    
    
  2. reviewboard/reviews/views.py (Diff revision 4)
     
     
    Show all issues
    Col: 9
     E123 closing bracket does not match indentation of opening bracket's line
    
  3. 
      
reviewbot
  1. This is a review from Review Bot.
      Tool: Pyflakes
      Processed Files:
        reviewboard/reviews/views.py
        reviewboard/diffviewer/views.py
        reviewboard/reviews/urls.py
      Ignored Files:
    
    
  2. 
      
david
  1. Ship It!
  2. 
      
chipx86
Review request changed

Status: Closed (submitted)

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