apt_repository: PEP8 compliancy and documentation changes (#33429)

* apt_repository: PEP8 compliancy and documentation changes

This PR includes:
- PEP8 compliancy changes
- Documentation changes

* Fix merge issue

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

@@ -1,21 +1,19 @@
 #!/usr/bin/python
 # encoding: utf-8
 
-# (c) 2012, Matt Wright <matt@nobien.net>
-# (c) 2013, Alexander Saltanov <asd@mokote.com>
-# (c) 2014, Rutger Spiertz <rutger@kumina.nl>
-#
+# Copyright: (c) 2012, Matt Wright <matt@nobien.net>
+# Copyright: (c) 2013, Alexander Saltanov <asd@mokote.com>
+# Copyright: (c) 2014, Rutger Spiertz <rutger@kumina.nl>
+
 # 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: apt_repository
@@ -27,50 +25,44 @@ notes:
     - This module supports Debian Squeeze (version 6) as well as its successors.
 options:
     repo:
-        required: true
-        default: none
         description:
             - A source string for the repository.
+        required: true
     state:
-        required: false
-        choices: [ "absent", "present" ]
-        default: "present"
         description:
             - A source string state.
+        choices: [ absent, present ]
+        default: "present"
     mode:
-        required: false
-        default: 0644
         description:
             - The octal mode for newly created files in sources.list.d
+        default: 0644
         version_added: "1.6"
     update_cache:
         description:
             - Run the equivalent of C(apt-get update) when a change occurs.  Cache updates are run after making changes.
-        required: false
+        type: bool
         default: "yes"
-        choices: [ "yes", "no" ]
     validate_certs:
-        version_added: '1.8'
         description:
             - If C(no), SSL certificates for the target repo will not be validated. This should only be used
               on personally controlled sites using self-signed certificates.
-        required: false
+        type: bool
         default: 'yes'
-        choices: ['yes', 'no']
+        version_added: '1.8'
     filename:
-        version_added: '2.1'
         description:
             - Sets the name of the source list file in sources.list.d.
               Defaults to a file name based on the repository source url.
               The .list extension will be automatically added.
-        required: false
+        version_added: '2.1'
     codename:
-        version_added: '2.3'
         description:
             - Override the distribution codename to use for PPA repositories.
               Should usually only be set when working with a PPA on a non-Ubuntu target (e.g. Debian or Mint)
-        required: false
-author: "Alexander Saltanov (@sashka)"
+        version_added: '2.3'
+author:
+- Alexander Saltanov (@sashka)
 version_added: "0.7"
 requirements:
    - python-apt (python 2)
@@ -87,7 +79,7 @@ EXAMPLES = '''
 - apt_repository:
     repo: deb http://dl.google.com/linux/chrome/deb/ stable main
     state: present
-    filename: 'google-chrome'
+    filename: google-chrome
 
 # Add source repository into sources list.
 - apt_repository:
@@ -102,12 +94,12 @@ EXAMPLES = '''
 # Add nginx stable repository from PPA and install its signing key.
 # On Ubuntu target:
 - apt_repository:
-    repo: 'ppa:nginx/stable'
+    repo: ppa:nginx/stable
 
 # On Debian target
 - apt_repository:
     repo: 'ppa:nginx/stable'
-    codename: 'trusty'
+    codename: trusty
 '''
 
 import glob
@@ -479,15 +471,15 @@ def get_add_ppa_signing_key_callback(module):
 def main():
     module = AnsibleModule(
         argument_spec=dict(
-            repo=dict(required=True),
-            state=dict(choices=['present', 'absent'], default='present'),
-            mode=dict(required=False, type='raw'),
-            update_cache = dict(aliases=['update-cache'], type='bool', default='yes'),
-            filename=dict(required=False, default=None),
-            # this should not be needed, but exists as a failsafe
-            install_python_apt=dict(required=False, default="yes", type='bool'),
-            validate_certs = dict(default='yes', type='bool'),
-            codename = dict(required=False),
+            repo=dict(type='str', required=True),
+            state=dict(type='str', default='present', choices=['absent', 'present']),
+            mode=dict(type='raw'),
+            update_cache=dict(type='bool', default=True, aliases=['update-cache']),
+            filename=dict(type='str'),
+            # This should not be needed, but exists as a failsafe
+            install_python_apt=dict(type='bool', default=True),
+            validate_certs=dict(type='bool', default=True),
+            codename=dict(type='str'),
         ),
         supports_check_mode=True,
     )
@@ -507,8 +499,7 @@ def main():
             module.fail_json(msg='%s is not installed, and install_python_apt is False' % PYTHON_APT)
 
     if isinstance(distro, aptsources_distro.Distribution):
-        sourceslist = UbuntuSourcesList(module,
-            add_ppa_signing_keys_callback=get_add_ppa_signing_key_callback(module))
+        sourceslist = UbuntuSourcesList(module, add_ppa_signing_keys_callback=get_add_ppa_signing_key_callback(module))
     else:
         module.fail_json(msg='Module apt_repository is not supported on target.')
 

test/sanity/pep8/legacy-files.txt

@@ -258,7 +258,6 @@ lib/ansible/modules/packaging/language/gem.py
 lib/ansible/modules/packaging/language/maven_artifact.py
 lib/ansible/modules/packaging/language/pear.py
 lib/ansible/modules/packaging/os/apk.py
-lib/ansible/modules/packaging/os/apt_repository.py
 lib/ansible/modules/packaging/os/dpkg_selections.py
 lib/ansible/modules/packaging/os/homebrew.py
 lib/ansible/modules/packaging/os/homebrew_cask.py