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: Ieeb62e8d66e626ab2e6cd506ce3a9854c69d5643

magnum_ui/api/rest/__init__.py

@@ -13,4 +13,4 @@
 # limitations under the License.
 
 # Import REST modules here
-from . import magnum  # noqa
+from . import magnum  # noqa: F401

magnum_ui/content/clusters/panel.py

@@ -18,7 +18,7 @@ import horizon
 # DO NOT REMOVE
 # This needs for register url of REST API.
 # Dashboard plugins load REST API from here.
-from magnum_ui.api.rest import magnum  # noqa
+from magnum_ui.api.rest import magnum  # noqa: F401
 
 
 class Clusters(horizon.Panel):

magnum_ui/test/settings.py

@@ -13,8 +13,8 @@
 #    under the License.
 
 # Default to Horizons test settings to avoid any missing keys
-from horizon.test.settings import *  # noqa
+from horizon.test.settings import *  # noqa: F403,H303
-from openstack_dashboard.test.settings import *  # noqa
+from openstack_dashboard.test.settings import *  # noqa: F403,H303
 
 # pop these keys to avoid log warnings about deprecation
 # update_dashboards will populate them anyway

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",

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

@@ -67,25 +67,3 @@ commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasen
 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