Patch pprint to make pytest diffs nicer for big objects

[alexmojaki]

Replaces alexmojaki#1

Closes #73

[codecov]

Codecov Report

Merging #92 (f76edaa) into main (78a9922) will not change coverage.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #92   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           12        12           
  Lines          814       822    +8     
  Branches       150       153    +3     
=========================================
+ Hits           814       822    +8     

Files	Coverage Δ
dirty_equals/_base.py	100.00% <100.00%> (ø)

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[alexmojaki]

ready to review

[samuelcolvin]

LGTM, please can you add an screenshot or similar example to PR showing how this improves the display?

[alexmojaki]

As in the original issue, before:

E       AssertionError: assert (['ddsdsdads ', 'sfafsdsd', 'dfds sdfsef', 'sfdssdf ', 'sdsadfs', 'dsfsdfsd', 'cfdfdfd', 'dgffgfdgfd', 'fdsfsdgfsdgsf'], 1, 2, 3, 4, 5, 6, 7, 8, 9) == (['ddsdsdads ', 'sfafsdsd', 'dfds sdfsef', 'sfdssdf ', 'sdsadfs', 'dsfsdfsd', 'cfdfdfd', 'dgffgfdgfd', 'fdsfsdgfsdgsf'], 1, 2, 3, 4, 5, 6, 7, 8, 0)
E         At index 9 diff: 9 != 0
E         Full diff:
E           (
E         -  ['ddsdsdads ', 'sfafsdsd', 'dfds sdfsef', 'sfdssdf ', 'sdsadfs', 'dsfsdfsd', 'cfdfdfd', 'dgffgfdgfd', 'fdsfsdgfsdgsf'],
E         +  ['ddsdsdads ',
E         +   'sfafsdsd',
E         +   'dfds sdfsef',
E         +   'sfdssdf ',
E         +   'sdsadfs',
E         +   'dsfsdfsd',
E         +   'cfdfdfd',
E         +   'dgffgfdgfd',
E         +   'fdsfsdgfsdgsf'],
E            1,
E            2,
E            3,
E            4,
E            5,
E            6,
E            7,
E            8,
E         -  0,
E         +  9,
E           )

After:

E       AssertionError: assert (['ddsdsdads ', 'sfafsdsd', 'dfds sdfsef', 'sfdssdf ', 'sdsadfs', 'dsfsdfsd', 'cfdfdfd', 'dgffgfdgfd', 'fdsfsdgfsdgsf'], 1, 2, 3, 4, 5, 6, 7, 8, 9) == (['ddsdsdads ', 'sfafsdsd', 'dfds sdfsef', 'sfdssdf ', 'sdsadfs', 'dsfsdfsd', 'cfdfdfd', 'dgffgfdgfd', 'fdsfsdgfsdgsf'], 1, 2, 3, 4, 5, 6, 7, 8, 0)
E         At index 9 diff: 9 != 0
E         Full diff:
E           (
E            ['ddsdsdads ',
E             'sfafsdsd',
E             'dfds sdfsef',
E             'sfdssdf ',
E             'sdsadfs',
E             'dsfsdfsd',
E             'cfdfdfd',
E             'dgffgfdgfd',
E             'fdsfsdgfsdgsf'],
E            1,
E            2,
E            3,
E            4,
E            5,
E            6,
E            7,
E            8,
E         -  0,
E         +  9,
E           )

[alexmojaki]

This problem threw me off today, please can this be merged?

[samuelcolvin]

thanks so much.