hacking: Specify white list rules in noqa explicity

If 'noqa' is specified all hacking checks are disabled.
It is better to ignore specific rules explicitly rather than
ignoring all. The recent flake8 supports this [1].

[1] http://flake8.pycqa.org/en/stable/user/ignoring-errors.html

Change-Id: I0f2a0cccf459c5a353f777a2be352c0faa8b18e0

manage.py

@@ -15,7 +15,7 @@
 import os
 import sys
 
-from django.core.management import execute_from_command_line  # noqa
+from django.core.management import execute_from_command_line
 
 if __name__ == "__main__":
     os.environ.setdefault("DJANGO_SETTINGS_MODULE",

setup.py

@@ -20,7 +20,7 @@ import setuptools
 # setuptools if some other modules registered functions in `atexit`.
 # solution from: http://bugs.python.org/issue15881#msg170215
 try:
-    import multiprocessing  # noqa
+    import multiprocessing  # noqa: F401
 except ImportError:
     pass
 

tools/install_venv.py

@@ -20,7 +20,7 @@
 import os
 import sys
 
-import install_venv_common as install_venv  # noqa
+import install_venv_common as install_venv
 
 
 def print_help(venv, root):

tox.ini

@@ -43,25 +43,3 @@ commands = sphinx-build -a -E -d releasenotes/build/doctrees -b html releasenote
 exclude = .venv,.git,.tox,dist,*lib/python*,*egg,build,panel_template,dash_template,local_settings.py,*/local/*,*/test/test_plugins/*,.ropeproject,node_modules
 max-complexity = 20
 
-[hacking]
-import_exceptions = collections.defaultdict,
-                    django.conf.settings,
-                    django.conf.urls.include,
-                    django.conf.urls.patterns,
-                    django.conf.urls.url,
-                    django.core.urlresolvers.reverse,
-                    django.core.urlresolvers.reverse_lazy,
-                    django.template.loader.render_to_string,
-                    django.test.utils.override_settings,
-                    django.utils.datastructures.SortedDict,
-                    django.utils.encoding.force_text,
-                    django.utils.html.conditional_escape,
-                    django.utils.html.escape,
-                    django.utils.http.urlencode,
-                    django.utils.safestring.mark_safe,
-                    django.utils.translation.npgettext_lazy,
-                    django.utils.translation.pgettext_lazy,
-                    django.utils.translation.ugettext_lazy,
-                    django.utils.translation.ungettext_lazy,
-                    operator.attrgetter,
-                    StringIO.StringIO

zun_ui/content/container/__init__.py

@@ -11,4 +11,4 @@
 # limitations under the License.
 
 # Register the REST API URLs so they can be called from the JavaScript files
-import zun_ui.api.rest_api  # noqa
+import zun_ui.api.rest_api  # noqa: F401

zun_ui/content/container/containers/panel.py

@@ -15,7 +15,7 @@ import horizon
 
 # This panel will be loaded from horizon, because specified in enabled file.
 # To register REST api, import below here.
-from zun_ui.api import rest_api  # noqa
+from zun_ui.api import rest_api  # noqa: F401
 
 
 class Containers(horizon.Panel):

zun_ui/test/settings.py

@@ -11,8 +11,8 @@
 #    under the License.
 
 # Default to Horizons test settings to avoid any missing keys
-from horizon.test.settings import *  # noqa
-from openstack_dashboard.test.settings import *  # noqa
+from horizon.test.settings import *  # noqa: F403,H303
+from openstack_dashboard.test.settings import *  # noqa: F403,H303
 
 # pop these keys to avoid log warnings about deprecation
 # update_dashboards will populate them anyway