rhn_channel: PEP8 compliancy and doc fixes (#30912)

This PR includes:
- PEP8 compliancy fixes
- Documentation fixes

lib/ansible/modules/packaging/os/rhn_channel.py

@@ -1,26 +1,24 @@
 #!/usr/bin/python
 
-# (c) Vincent Van de Kussen
-#
+# Copyright: (c) Vincent Van de Kussen
 # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 
 from __future__ import absolute_import, division, print_function
 __metaclass__ = type
 
-
 ANSIBLE_METADATA = {'metadata_version': '1.1',
                     'status': ['preview'],
                     'supported_by': 'core'}
 
-
 DOCUMENTATION = '''
 ---
 module: rhn_channel
 short_description: Adds or removes Red Hat software channels
 description:
-    - Adds or removes Red Hat software channels
+    - Adds or removes Red Hat software channels.
 version_added: "1.1"
-author: "Vincent Van der Kussen (@vincentvdk)"
+author:
+- Vincent Van der Kussen (@vincentvdk)
 notes:
     - This module fetches the system id from RHN.
     - This module doesn't support I(check_mode).
@@ -43,11 +41,11 @@ options:
         required: true
     user:
         description:
-            - RHN/Satellite login
+            - RHN/Satellite login.
         required: true
     password:
         description:
-            - RHN/Satellite password
+            - RHN/Satellite password.
         required: true
 '''
 
@@ -58,14 +56,13 @@ EXAMPLES = '''
     url: https://rhn.redhat.com/rpc/api
     user: rhnuser
     password: guessme
+  delegate_to: localhost
 '''
 
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.six.moves import xmlrpc_client
 
 
-# ------------------------------------------------------- #
-
 def get_systemid(client, session, sysname):
     systems = client.system.listUserSystems(session)
     for system in systems:
@@ -74,21 +71,18 @@ def get_systemid(client, session, sysname):
             idd = int(idres)
             return idd
 
-# ------------------------------------------------------- #
 
 def subscribe_channels(channelname, client, session, sysname, sys_id):
     channels = base_channels(client, session, sys_id)
     channels.append(channelname)
     return client.system.setChildChannels(session, sys_id, channels)
 
-# ------------------------------------------------------- #
 
 def unsubscribe_channels(channelname, client, session, sysname, sys_id):
     channels = base_channels(client, session, sys_id)
     channels.remove(channelname)
     return client.system.setChildChannels(session, sys_id, channels)
 
-# ------------------------------------------------------- #
 
 def base_channels(client, session, sys_id):
     basechan = client.channel.software.listSystemChannels(session, sys_id)
@@ -98,19 +92,17 @@ def base_channels(client, session, sys_id):
         chans = [item['channel_label'] for item in basechan]
     return chans
 
-# ------------------------------------------------------- #
-
 
 def main():
 
     module = AnsibleModule(
-        argument_spec = dict(
-            state = dict(default='present', choices=['present', 'absent']),
-            name = dict(required=True),
-            sysname = dict(required=True),
-            url = dict(required=True),
-            user = dict(required=True),
-            password = dict(required=True, aliases=['pwd'], no_log=True),
+        argument_spec=dict(
+            state=dict(type='str', default='present', choices=['present', 'absent']),
+            name=dict(type='str', required=True),
+            sysname=dict(type='str', required=True),
+            url=dict(type='str', required=True),
+            user=dict(type='str', required=True),
+            password=dict(type='str', required=True, aliases=['pwd'], no_log=True),
         )
     )
 
@@ -140,7 +132,7 @@ def main():
                 module.exit_json(changed=True, msg="Channel %s added" % channelname)
 
         if state == 'absent':
-            if not channelname in chans:
+            if channelname not in chans:
                 module.exit_json(changed=False, msg="Not subscribed to channel %s." % channelname)
             else:
                 unsubscribe_channels(channelname, client, session, systname, sys_id)

test/sanity/pep8/legacy-files.txt

@@ -361,7 +361,6 @@ lib/ansible/modules/packaging/os/pkgng.py
 lib/ansible/modules/packaging/os/pkgutil.py
 lib/ansible/modules/packaging/os/portage.py
 lib/ansible/modules/packaging/os/portinstall.py
-lib/ansible/modules/packaging/os/rhn_channel.py
 lib/ansible/modules/packaging/os/rpm_key.py
 lib/ansible/modules/packaging/os/sorcery.py
 lib/ansible/modules/packaging/os/svr4pkg.py