add flake8 to the linter job

Turn on flake8 for code style checks, like in our other repos. Fix or
explicitly ignore various issues to allow the linter job to pass.

Change-Id: I7bfd8cf5e9c00dfa83c0393a4307fd54d2113047
Signed-off-by: Doug Hellmann <doug@doughellmann.com>

doc/source/_exts/atcs.py

@@ -19,6 +19,7 @@ import re
 from docutils import nodes
 from docutils.parsers.rst import directives
 from docutils.parsers.rst.directives import tables
+from docutils.utils import SystemMessagePropagation
 
 import projects
 
@@ -40,9 +41,6 @@ class ExtraATCsTable(tables.Table):
                    }
 
     def run(self):
-        env = self.state.document.settings.env
-        app = env.app
-
         project = self.options.get('project')
         if not project:
             error = self.state_machine.reporter.error(

doc/source/_exts/badges.py

@@ -14,9 +14,9 @@
 Generate badges for the projects
 """
 
-import os
 from itertools import chain
 from itertools import zip_longest
+import os
 
 from PIL import ImageFont
 
@@ -155,6 +155,7 @@ def _organize_badges(badges):
             result[y].append(badge)
     return result
 
+
 def _to_svg(badges):
     for badge in badges:
         yield FLAT_BADGE_TEMPLATE.format(**badge)

doc/source/_exts/members.py

@@ -16,8 +16,9 @@
 import re
 
 from docutils import nodes
-from docutils.parsers.rst.directives import tables
 from docutils.parsers.rst import directives
+from docutils.parsers.rst.directives import tables
+from docutils.utils import SystemMessagePropagation
 
 # Full name (IRC nickname) [expires in] {role}
 _PATTERN = re.compile('(?P<name>.*)\s+\((?P<irc>.*)\)\s+\[(?P<date>.*)\](\s+\{(?P<role>.*)\})?')
@@ -61,7 +62,6 @@ class MembersTable(tables.Table):
     def run(self):
         env = self.state.document.settings.env
         app = env.app
-        config = app.config
 
         # The required argument to the directive is the name of the
         # file to parse.
@@ -146,6 +146,7 @@ class MembersTable(tables.Table):
 
         return table
 
+
 def setup(app):
     app.info('loading members extension')
     app.add_directive('memberstable', MembersTable)

doc/source/conf.py

@@ -11,6 +11,8 @@
 # All configuration values have a default; values that are commented out
 # serve to show the default.
 
+# flake8: noqa
+
 import sys
 import os
 

resolutions/20140617-defcore-capabilities-scoring/extract.py

@@ -3,7 +3,6 @@
 """
 
 import csv
-import sys
 
 with open('defcore.csv', 'r') as infile:
     reader = csv.reader(infile)

setup.cfg

@@ -15,3 +15,6 @@ source-dir = doc/source
 
 [pbr]
 warnerrors = True
+
+[flake8]
+ignore = E501,E226,H405

test-requirements.txt

@@ -5,3 +5,4 @@ PyYAML>=3.1.0
 yamllint>=0.5.2
 requests-cache
 Pillow>=2.4.0 # PIL License
+hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0

tools/build_team_section_for_goal.py

@@ -29,7 +29,7 @@ def main():
     parser = argparse.ArgumentParser(
         'build the "Project Teams" section of a goal document',
     )
-    args = parser.parse_args()
+    parser.parse_args()
 
     print('Paste this output to the end of the goals file:\n')
 

tools/teamstats.py

@@ -120,6 +120,7 @@ def get_core_reviews_by_company(group):
 
     return companies
 
+
 @_memoize
 def get_diversity_stats(project):
     team_stats = {}

tox.ini

@@ -12,11 +12,13 @@ deps = -r{toxinidir}/test-requirements.txt
 
 [testenv:linters]
 whitelist_externals = bash
-commands = bash -c "find {toxinidir}        \
+commands =
+  bash -c "find {toxinidir}        \
             \( -name .tox -prune \)         \
             -o -type f -name '*.yaml'       \
             -print0 | xargs -0 yamllint"
            {toxinidir}/tools/check_projects_yaml_alphabetized.sh
+  flake8
 
 [testenv:venv]
 commands = {posargs}