Start using Hacking and PyFlakes

Only blacklisting those warnings that are numerous,
so that in principle Hacking and PyFlakes warnings
are tested. Fix the easy ones alongway.

Change-Id: I571f51ebf570ac114509f2dcd71cdce281e7c70a

novaclient/service_catalog.py

@@ -50,7 +50,7 @@ class ServiceCatalog(object):
                 raise novaclient.exceptions.EndpointNotFound()
 
         # We don't always get a service catalog back ...
-        if not 'serviceCatalog' in self.catalog['access']:
+        if 'serviceCatalog' not in self.catalog['access']:
             return None
 
         # Full catalog ...

novaclient/tests/v1_1/test_servers.py

@@ -169,9 +169,9 @@ class ServersTest(utils.TestCase):
                          {'metadata': {'test_key': 'test_value'}})
 
     def test_find(self):
-        s = cs.servers.find(name='sample-server')
+        server = cs.servers.find(name='sample-server')
         cs.assert_called('GET', '/servers/detail')
-        self.assertEqual(s.name, 'sample-server')
+        self.assertEqual(server.name, 'sample-server')
 
         self.assertRaises(exceptions.NoUniqueMatch, cs.servers.find,
                           flavor={"id": 1, "name": "256 MB Server"})

novaclient/v1_1/__init__.py

@@ -14,4 +14,4 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from novaclient.v1_1.client import Client
+from novaclient.v1_1.client import Client   # noqa

novaclient/v1_1/flavors.py

@@ -170,7 +170,7 @@ class FlavorManager(base.ManagerWithFind):
 
         try:
             is_public = utils.bool_from_str(is_public)
-        except:
+        except Exception:
             raise exceptions.CommandError("is_public must be a boolean.")
 
         body = {

novaclient/v1_1/servers.py

@@ -536,7 +536,7 @@ class ServerManager(local_base.BootingManagerWithFind):
                key_name=None, availability_zone=None,
                block_device_mapping=None, nics=None, scheduler_hints=None,
                config_drive=None, **kwargs):
-        # TODO: (anthony) indicate in doc string if param is an extension
+        # TODO(anthony): indicate in doc string if param is an extension
         # and/or optional
         """
         Create (boot) a new server.

novaclient/v1_1/shell.py

@@ -3127,7 +3127,7 @@ def do_availability_zone_list(cs, _args):
     except exceptions.Forbidden as e:  # policy doesn't allow probably
         try:
             availability_zones = cs.availability_zones.list(detailed=False)
-        except:
+        except Exception:
             raise e
 
     result = []

tools/install_venv.py

@@ -27,7 +27,6 @@ import optparse
 import os
 import subprocess
 import sys
-import platform
 
 
 ROOT = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))

tox.ini

@@ -24,6 +24,6 @@ commands = python setup.py testr --coverage --testr-args='{posargs}'
 downloadcache = ~/cache/pip
 
 [flake8]
-ignore = E12,E711,E721,E712,F,H
+ignore = E12,E711,E721,E712,F841,F811,F821,H302,H306,H402,H403,H404
 show-source = True
 exclude=.venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build