Issue 7196 - Centralize flake8 configuration

flake8-eyeo/setup.py

 # This file is part of Adblock Plus <https://adblockplus.org/>,
 # Copyright (C) 2006-present eyeo GmbH
 #
 # Adblock Plus is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 3 as
 # published by the Free Software Foundation.
 #
 # Adblock Plus is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ skipping 35 matching lines @@
         with open(filename, 'rb') as file:
             if sys.version_info[0] >= 3:
                 for token in tokenize.tokenize(file.readline):
                     tokeneater(*token)
             else:
                 tokenize.tokenize(file.readline, tokeneater)
 
         return errors
 
     def _get_reported_errors(self, filename):
-        output = subprocess.Popen(['flake8', filename],
+        output = subprocess.Popen(['flake8', '--select=A', filename],
                                   stdout=subprocess.PIPE).communicate()[0]
 
         errors = set()
         for line in output.decode('utf-8').splitlines():
             _, lineno, colno, error = line.split(':', 3)
             errors.add((int(lineno), int(colno), error.split()[0]))
 
         return errors
 
     def initialize_options(self):
@@ skipping 28 matching lines @@
             failed = True
 
         if failed:
             sys.exit(1)
 
 
 setup(
     name='flake8-eyeo',
     version='0.1',
     py_modules=['flake8_eyeo'],
-    install_requires=['flake8>=3.2.1'],
+    install_requires=[
+        'flake8>=3.2.1',
+        'flake8-docstrings',
+        'flake8-commas',
+        'pep8-naming',
+    ],
     entry_points={
         'flake8.extension': [
+            '_    = flake8_eyeo:DefaultConfigOverride',
             'A    = flake8_eyeo:check_ast',
             'A1   = flake8_eyeo:check_quotes',
             'A111 = flake8_eyeo:check_redundant_parenthesis',
             'A303 = flake8_eyeo:check_non_default_encoding',
         ],
     },
     cmdclass={'test': TestCommand},
 )