Update hacking for Python3

The repo is Python 3 now, so update hacking to version 3.0 which
supports Python 3.

Fix problems found.

Change-Id: I2707a1f2047f89d9f12ea282cec98411454e1f79

bifrost/inventory.py

@@ -15,6 +15,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import csv
+import json
+import os
+import sys
+import yaml
+
+from oslo_config import cfg
+from oslo_log import log
+
+try:
+    import shade
+    SHADE_LOADED = True
+except ImportError:
+    SHADE_LOADED = False
+
 DOCUMENTATION = '''
 Bifrost Inventory Module
 ========================
@@ -130,21 +145,6 @@ At present, this module only supports inventory list mode and is not
 intended to support specific host queries.
 '''
 
-import csv
-import json
-import os
-import sys
-import yaml
-
-from oslo_config import cfg
-from oslo_log import log
-
-try:
-    import shade
-    SHADE_LOADED = True
-except ImportError:
-    SHADE_LOADED = False
-
 LOG = log.getLogger(__name__)
 
 opts = [
@@ -239,7 +239,7 @@ def _process_baremetal_csv(data_source, groups, hostvars):
         for row in csv.reader(file_data, delimiter=','):
             if not row:
                 break
-            if len(row) is 1:
+            if len(row) == 1:
                 LOG.debug("Single entry line found when attempting "
                           "to parse CSV file contents. Breaking "
                           "out of processing loop.")
@@ -464,5 +464,6 @@ def main():
     else:
         print(json.dumps(hostvars, indent=2))
 
+
 if __name__ == '__main__':
     main()

playbooks/library/network_metadata.py

@@ -37,7 +37,7 @@ def main():
         node_network_data=dict(required=False, type='dict')
     )
 
-    module = AnsibleModule(argument_spec)
+    module = AnsibleModule(argument_spec)  # noqa: F405
 
     network_metadata = module.params['node_network_data']
     if not network_metadata:
@@ -141,7 +141,7 @@ def main():
 
 
 # this is magic, see lib/ansible/module_common.py
-from ansible.module_utils.basic import *
+from ansible.module_utils.basic import *  # noqa: E402
 
 if __name__ == '__main__':
     main()

playbooks/library/os_ironic_facts.py

@@ -74,7 +74,7 @@ def _choose_id_value(module):
 
 
 def main():
-    argument_spec = openstack_full_argument_spec(
+    argument_spec = openstack_full_argument_spec(  # noqa: F405
         auth_type=dict(required=False),
         uuid=dict(required=False),
         name=dict(required=False),
@@ -82,8 +82,8 @@ def main():
         ironic_url=dict(required=False),
         skip_items=dict(required=False, type='list'),
     )
-    module_kwargs = openstack_module_kwargs()
-    module = AnsibleModule(argument_spec, **module_kwargs)
+    module_kwargs = openstack_module_kwargs()  # noqa: F405
+    module = AnsibleModule(argument_spec, **module_kwargs)  # noqa: F405
 
     if not HAS_SHADE:
         module.fail_json(msg='shade is required for this module')
@@ -142,6 +142,6 @@ def main():
 
 
 # this is magic, see lib/ansible/module_common.py
-from ansible.module_utils.basic import *
-from ansible.module_utils.openstack import *
+from ansible.module_utils.basic import *  # noqa: E402
+from ansible.module_utils.openstack import *  # noqa: E402
 main()

test-requirements.txt

@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
+hacking>=3.0,<4.0.0 # Apache-2.0
 
 coverage!=4.4,>=4.0 # Apache-2.0
 doc8>=0.6.0 # Apache-2.0

tox.ini

@@ -59,7 +59,7 @@ commands = oslo_debug_helper -t bifrost/tests {posargs}
 
 [flake8]
 show-source = True
-ignore = F403,H102,H303
+ignore = F403,H102,H303,W504
 # [H106] Don't put vim configuration in source files.
 enable-extensions=H106
 exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build,os_ironic.py,os_ironic_node.py,os_ironic_inspect.py,os_keystone_service.py