fix formatting issues

Reviewed-by: James Valleroy <jvalleroy@mailbox.org>

actions/auth-pubtkt

@@ -109,8 +109,9 @@ def subcommand_generate_ticket(arguments):
         pkey = crypto.load_privatekey(crypto.FILETYPE_PEM, fil.read().encode())
     valid_until = minutes_from_now(12 * 60)
     grace_period = minutes_from_now(11 * 60)
-    print(create_ticket(pkey, uid, valid_until, tokens=tokens,
+    print(
-                        graceperiod=grace_period))
+        create_ticket(pkey, uid, valid_until, tokens=tokens,
+                      graceperiod=grace_period))
 
 
 def minutes_from_now(minutes):
@@ -120,8 +121,8 @@ def minutes_from_now(minutes):
 
 def seconds_from_now(seconds):
     """Return a timestamp at the given number of seconds from now."""
-    return (
+    return (datetime.datetime.now() +
-        datetime.datetime.now() + datetime.timedelta(0, seconds)).timestamp()
+            datetime.timedelta(0, seconds)).timestamp()
 
 
 def main():

actions/config

@@ -66,8 +66,8 @@ def subcommand_reset_home_page(_):
     config_file = FREEDOMBOX_APACHE_CONFIG
     default_path = 'plinth'
 
-    aug = augeas.Augeas(
+    aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-        flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                        augeas.Augeas.NO_MODL_AUTOLOAD)
     aug.set('/augeas/load/Httpd/lens', 'Httpd.lns')
     aug.set('/augeas/load/Httpd/incl[last() + 1]', config_file)
     aug.load()

actions/diaspora

@@ -72,8 +72,8 @@ def set_domain_name(domain_name):
     #                               {'url': domain_name})
     # Manually changing the domain name in the conf files.
     conf_file = '/etc/diaspora.conf'
-    aug = augeas.Augeas(
+    aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-        flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                        augeas.Augeas.NO_MODL_AUTOLOAD)
 
     # lens for shell-script config file
     aug.set('/augeas/load/Shellvars/lens', 'Shellvars.lns')

actions/firewall

@@ -62,8 +62,9 @@ def parse_arguments():
     # Add a service
     add_service = subparsers.add_parser('add-service', help='Add a service')
     add_service.add_argument('service', help='Name of the service to add')
-    add_service.add_argument(
+    add_service.add_argument('--zone',
-        '--zone', help='Zone to which service is to be added', required=True)
+                             help='Zone to which service is to be added',
+                             required=True)
 
     # Remove a service status
     remove_service = subparsers.add_parser('remove-service',
@@ -111,8 +112,8 @@ def _flush_iptables_rules():
 def set_firewall_backend(backend):
     """Set FirewallBackend attribute to the specified string."""
     conf_file = '/etc/firewalld/firewalld.conf'
-    aug = augeas.Augeas(
+    aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-        flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                        augeas.Augeas.NO_MODL_AUTOLOAD)
 
     # lens for shell-script config file
     aug.set('/augeas/load/Shellvars/lens', 'Shellvars.lns')

actions/gitweb

@@ -38,7 +38,6 @@ logger = logging.getLogger(__name__)
 
 class ValidateRepoName(argparse.Action):
     """Validate a repository name and add .git extension if necessary."""
-
     def __call__(self, parser, namespace, values, option_string=None):
         RepositoryValidator()(values)
         if not values.endswith('.git'):
@@ -48,7 +47,6 @@ class ValidateRepoName(argparse.Action):
 
 class ValidateRepoUrl(argparse.Action):
     """Validate a repository URL."""
-
     def __call__(self, parser, namespace, values, option_string=None):
         RepositoryValidator(input_should_be='url')(values)
         setattr(namespace, self.dest, values)
@@ -359,8 +357,9 @@ def subcommand_repo_info(arguments):
 
     print(
         json.dumps(
-            dict(name=arguments.name[:-4], description=_get_repo_description(
+            dict(name=arguments.name[:-4],
-                arguments.name), owner=_get_repo_owner(arguments.name),
+                 description=_get_repo_description(arguments.name),
+                 owner=_get_repo_owner(arguments.name),
                  access=_get_access_status(arguments.name))))
 
 

actions/mediawiki

@@ -48,8 +48,8 @@ def parse_arguments():
     help_private_mode = 'Enable/Disable/Status private mode.'
     private_mode = subparsers.add_parser('private-mode',
                                          help=help_private_mode)
-    private_mode.add_argument('command', choices=('enable', 'disable',
+    private_mode.add_argument('command',
-                                                  'status'),
+                              choices=('enable', 'disable', 'status'),
                               help=help_private_mode)
 
     change_password = subparsers.add_parser('change-password',

actions/minetest

@@ -15,7 +15,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-
 """
 Configuration helper for Minetest server.
 """
@@ -25,7 +24,6 @@ import augeas
 
 from plinth import action_utils
 
-
 CONFIG_FILE = '/etc/minetest/minetest.conf'
 AUG_PATH = '/files' + CONFIG_FILE + '/.anon'
 

actions/monkeysphere

@@ -150,9 +150,8 @@ def get_monkeysphere_keys(key_id=None):
     """Return the list of keys imported into monkeysphere."""
     try:
         key_ids = [] if not key_id else [key_id]
-        output = subprocess.check_output(
+        output = subprocess.check_output(['monkeysphere-host', 'show-keys'] +
-            ['monkeysphere-host', 'show-keys'] + key_ids,
+                                         key_ids, stderr=subprocess.DEVNULL)
-            stderr=subprocess.DEVNULL)
     except subprocess.CalledProcessError:
         # no keys available
         return {}
@@ -288,9 +287,10 @@ def subcommand_host_publish_key(arguments):
     # setting TMPDIR as workaround for Debian bug #656750
     proc = subprocess.Popen(
         ['monkeysphere-host', 'publish-keys'] + arguments.key_ids,
-        stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=dict(
+        stdout=subprocess.PIPE, stderr=subprocess.PIPE,
-            os.environ, TMPDIR='/var/lib/monkeysphere/authentication/tmp/',
+        env=dict(os.environ,
-            MONKEYSPHERE_PROMPT='false'))
+                 TMPDIR='/var/lib/monkeysphere/authentication/tmp/',
+                 MONKEYSPHERE_PROMPT='false'))
     output, error = proc.communicate()
     output, error = output.decode(), error.decode()
     if proc.returncode != 0:

actions/openvpn

@@ -177,8 +177,8 @@ def subcommand_upgrade(_):
             'renewed/private_by_serial', 'renewed/reqs_by_serial'
         ]
         for dir_name in directories_to_create:
-            os.makedirs(
+            os.makedirs(os.path.join(pki_dir, dir_name), mode=0o700,
-                os.path.join(pki_dir, dir_name), mode=0o700, exist_ok=True)
+                        exist_ok=True)
 
         def _move_by_file_extension(file_extension, directory, excluded=None):
             excluded = excluded or []
@@ -217,7 +217,6 @@ def _write_server_config():
 
 def _setup_firewall():
     """Add TUN device to internal zone in firewalld."""
-
     def _configure_interface(interface, operation):
         """Add or remove an interface into internal zone."""
         command = [
@@ -299,9 +298,10 @@ def subcommand_get_profile(arguments):
     user_key_string = _read_file(user_key)
     ca_string = _read_file(CA_CERTIFICATE_PATH)
 
-    profile = CLIENT_CONFIGURATION.format(
+    profile = CLIENT_CONFIGURATION.format(ca=ca_string,
-        ca=ca_string, cert=user_certificate_string, key=user_key_string,
+                                          cert=user_certificate_string,
-        remote=remote_server)
+                                          key=user_key_string,
+                                          remote=remote_server)
 
     print(profile)
 
@@ -326,8 +326,8 @@ def _is_non_empty_file(filepath):
 
 def load_augeas():
     """Initialize Augeas."""
-    aug = augeas.Augeas(
+    aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-        flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                        augeas.Augeas.NO_MODL_AUTOLOAD)
 
     # shell-script config file lens
     aug.set('/augeas/load/Simplevars/lens', 'Simplevars.lns')

actions/packages

@@ -349,8 +349,9 @@ def _download_packages(packages):
     return downloaded_files
 
 
-def _get_conffile_hashes_from_downloaded_files(
+def _get_conffile_hashes_from_downloaded_files(packages, downloaded_files,
-        packages, downloaded_files, status_hashes, mismatched_hashes):
+                                               status_hashes,
+                                               mismatched_hashes):
     """Retrieve the conffile hashes from downloaded .deb files."""
     new_hashes = defaultdict(dict)
     new_versions = defaultdict(lambda: None)
@@ -369,8 +370,9 @@ def _get_conffile_hashes_from_downloaded_files(
     return new_hashes, new_versions
 
 
-def _get_conffile_hashes_from_downloaded_file(
+def _get_conffile_hashes_from_downloaded_file(packages, downloaded_file,
-        packages, downloaded_file, status_hashes, mismatched_hashes):
+                                              status_hashes,
+                                              mismatched_hashes):
     """Retrieve the conffile hashes from a single downloaded .deb file."""
     deb_file = apt_inst.DebFile(downloaded_file)
 

actions/pagekite

@@ -31,13 +31,18 @@ from plinth.modules.pagekite import utils
 aug = None
 
 PATHS = {
-    'service_on': os.path.join(utils.CONF_PATH, '*', 'service_on', '*'),
+    'service_on':
-    'kitename': os.path.join(utils.CONF_PATH, '10_account.rc', 'kitename'),
+        os.path.join(utils.CONF_PATH, '*', 'service_on', '*'),
-    'kitesecret': os.path.join(utils.CONF_PATH, '10_account.rc', 'kitesecret'),
+    'kitename':
-    'abort_not_configured': os.path.join(utils.CONF_PATH, '10_account.rc',
+        os.path.join(utils.CONF_PATH, '10_account.rc', 'kitename'),
-                                         'abort_not_configured'),
+    'kitesecret':
-    'defaults': os.path.join(utils.CONF_PATH, '20_frontends.rc', 'defaults'),
+        os.path.join(utils.CONF_PATH, '10_account.rc', 'kitesecret'),
-    'frontend': os.path.join(utils.CONF_PATH, '20_frontends.rc', 'frontend'),
+    'abort_not_configured':
+        os.path.join(utils.CONF_PATH, '10_account.rc', 'abort_not_configured'),
+    'defaults':
+        os.path.join(utils.CONF_PATH, '20_frontends.rc', 'defaults'),
+    'frontend':
+        os.path.join(utils.CONF_PATH, '20_frontends.rc', 'frontend'),
 }
 
 
@@ -50,9 +55,9 @@ def parse_arguments():
     subparsers.add_parser('start-and-enable', help='Enable PageKite service')
     subparsers.add_parser('stop-and-disable', help='Disable PageKite service')
     subparsers.add_parser('restart', help='Restart PageKite service')
-    subparsers.add_parser('is-disabled',
+    subparsers.add_parser(
-                          help=('Whether PageKite is disabled in the file '
+        'is-disabled', help=('Whether PageKite is disabled in the file '
-                                '/etc/pagekite.d/10_accounts.rc'))
+                             '/etc/pagekite.d/10_accounts.rc'))
 
     # Frontend
     subparsers.add_parser('get-frontend', help='Get pagekite frontend')

actions/power

@@ -15,7 +15,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 #
-
 """
 Configuration helper for power controls.
 """

actions/radicale

@@ -132,8 +132,8 @@ def subcommand_fix_collections(_):
 
 def load_augeas():
     """Initialize Augeas."""
-    aug = augeas.Augeas(
+    aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-        flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                        augeas.Augeas.NO_MODL_AUTOLOAD)
 
     # shell-script config file lens
     aug.set('/augeas/load/Shellvars/lens', 'Shellvars.lns')

actions/searx

@@ -81,8 +81,8 @@ def _update_uwsgi_configuration():
 
     uwsgi 2.0.15-debian crashes when trying to autoload.
     """
-    aug = augeas.Augeas(
+    aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-        flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                        augeas.Augeas.NO_MODL_AUTOLOAD)
     aug.set('/augeas/load/inifile/lens', 'Puppet.lns')
     aug.set('/augeas/load/inifile/incl[last() + 1]', UWSGI_FILE)
     aug.load()

actions/shadowsocks

@@ -35,12 +35,11 @@ def parse_arguments():
     parser = argparse.ArgumentParser()
     subparsers = parser.add_subparsers(dest='subcommand', help='Sub command')
 
-    subparsers.add_parser('setup',
+    subparsers.add_parser('setup', help='Perform initial setup steps')
-                          help='Perform initial setup steps')
+    subparsers.add_parser('get-config',
-    subparsers.add_parser(
+                          help='Read and print JSON config to stdout')
-        'get-config', help='Read and print JSON config to stdout')
+    subparsers.add_parser('merge-config',
-    subparsers.add_parser(
+                          help='Merge JSON config from stdin with existing')
-        'merge-config', help='Merge JSON config from stdin with existing')
 
     subparsers.required = True
     return parser.parse_args()

actions/sharing

@@ -58,8 +58,8 @@ def parse_arguments():
 
 def load_augeas():
     """Initialize augeas for this app's configuration file."""
-    aug = augeas.Augeas(
+    aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-        flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                        augeas.Augeas.NO_MODL_AUTOLOAD)
     aug.set('/augeas/load/Httpd/lens', 'Httpd.lns')
     aug.set('/augeas/load/Httpd/incl[last() + 1]', APACHE_CONFIGURATION)
     aug.load()
@@ -191,8 +191,9 @@ def _list(aug=None):
             """Must contain the line 'Require all granted'."""
             require = location + '//directive["Require"]'
             return bool(aug.match(require)) and aug.get(
-                require + '/arg[1]') == 'all' and aug.get(
+                require +
-                    require + '/arg[2]') == 'granted'
+                '/arg[1]') == 'all' and aug.get(require +
+                                                '/arg[2]') == 'granted'
 
         for share in shares:
             if share['name'] == name:

actions/ssh

@@ -117,8 +117,8 @@ def subcommand_set_keys(arguments):
 
 def _load_augeas():
     """Initialize augeas for this app's configuration file."""
-    aug = augeas.Augeas(
+    aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-        flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                        augeas.Augeas.NO_MODL_AUTOLOAD)
     aug.set('/augeas/load/Sshd/lens', 'Sshd.lns')
     aug.set('/augeas/load/Sshd/incl[last() + 1]', '/etc/ssh/sshd_config')
     aug.load()

actions/sshfs

@@ -96,11 +96,11 @@ def validate_mountpoint(mountpoint):
     """Check that the folder is empty, and create it if it doesn't exist"""
     if os.path.exists(mountpoint):
         if _is_mounted(mountpoint):
-            raise AlreadyMountedError(
+            raise AlreadyMountedError('Mountpoint %s already mounted' %
-                'Mountpoint %s already mounted' % mountpoint)
+                                      mountpoint)
         if os.listdir(mountpoint) or not os.path.isdir(mountpoint):
-            raise ValueError(
+            raise ValueError('Mountpoint %s is not an empty directory' %
-                'Mountpoint %s is not an empty directory' % mountpoint)
+                             mountpoint)
     else:
         os.makedirs(mountpoint)
 

actions/tahoe-lafs

@@ -114,8 +114,8 @@ def subcommand_setup(arguments):
 def subcommand_autostart(_):
     """Automatically start all introducers and storage nodes on system startup.
     """
-    aug = augeas.Augeas(
+    aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-        flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                        augeas.Augeas.NO_MODL_AUTOLOAD)
     aug.set('/augeas/load/Shellvars/lens', 'Shellvars.lns')
     aug.set('/augeas/load/Shellvars/incl[last() + 1]', DEFAULT_FILE)
     aug.load()
@@ -157,8 +157,9 @@ def subcommand_create_storage_node(_):
     if not os.path.exists(os.path.join(tahoe_home, storage_node_name)):
         subprocess.check_call([
             'tahoe', 'create-node', '--nickname=\"storage_node\"',
-            '--webport=1234', '--hostname={}'.format(
+            '--webport=1234',
-                get_configured_domain_name()), storage_node_name
+            '--hostname={}'.format(get_configured_domain_name()),
+            storage_node_name
         ])
         with open(
                 os.path.join(tahoe_home, introducer_name, 'private',

actions/timezone-change

@@ -15,7 +15,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-
 """
 Set time zones with timedatectl (requires root permission).
 """

actions/tor

@@ -529,8 +529,8 @@ def _update_ports():
 
 def augeas_load():
     """Initialize Augeas."""
-    aug = augeas.Augeas(
+    aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-        flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                        augeas.Augeas.NO_MODL_AUTOLOAD)
     aug.set('/augeas/load/Tor/lens', 'Tor.lns')
     aug.set('/augeas/load/Tor/incl[last() + 1]',
             '/etc/tor/instances/plinth/torrc')

actions/ttrss

@@ -133,8 +133,8 @@ def _run_as_postgres(command, stdin=None, stdout=None):
 
 def load_augeas():
     """Initialize Augeas."""
-    aug = augeas.Augeas(
+    aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-        flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                        augeas.Augeas.NO_MODL_AUTOLOAD)
     aug.set('/augeas/load/Shellvars/lens', 'Shellvars.lns')
     aug.set('/augeas/load/Shellvars/incl[last() + 1]', DEFAULT_FILE)
     aug.set('/augeas/load/Phpvars/lens', 'Phpvars.lns')

actions/users

@@ -210,8 +210,8 @@ def configure_ldapscripts():
     # modify a copy of the config file
     shutil.copy('/etc/ldapscripts/ldapscripts.conf', LDAPSCRIPTS_CONF)
 
-    aug = augeas.Augeas(
+    aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-        flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                        augeas.Augeas.NO_MODL_AUTOLOAD)
     aug.set('/augeas/load/Shellvars/lens', 'Shellvars.lns')
     aug.set('/augeas/load/Shellvars/incl[last() + 1]', LDAPSCRIPTS_CONF)
     aug.load()

functional_tests/step_definitions/application.py

@@ -107,8 +107,7 @@ def select_domain_name(browser, app_name, domain_name):
 
 @given('the shadowsocks application is configured')
 def configure_shadowsocks(browser):
-    application.configure_shadowsocks(browser, 'example.com',
+    application.configure_shadowsocks(browser, 'example.com', 'fakepassword')
-                                      'fakepassword')
 
 
 @when(
@@ -128,8 +127,8 @@ def assert_shadowsocks_configuration(browser, server, password):
             password) == application.shadowsocks_get_configuration(browser)
 
 
-@when(
+@when(parsers.parse('I modify the maximum file size of coquelicot to {size:d}')
-    parsers.parse('I modify the maximum file size of coquelicot to {size:d}'))
+      )
 def modify_max_file_size(browser, size):
     application.modify_max_file_size(browser, size)
 
@@ -372,38 +371,55 @@ def tahoe_given_add_introducer(browser, domain):
 def tahoe_remove_introducer(browser, domain):
     application.tahoe_remove_introducer(browser, domain)
 
-@given('the access rights are set to "only the owner can view or make changes"')
+
+@given('the access rights are set to "only the owner can view or make changes"'
+       )
 def radicale_given_owner_only(browser):
     application.radicale_set_access_rights(browser, 'owner_only')
 
-@given('the access rights are set to "any user can view, but only the owner can make changes"')
+
+@given(
+    'the access rights are set to "any user can view, but only the owner can make changes"'
+)
 def radicale_given_owner_write(browser):
     application.radicale_set_access_rights(browser, 'owner_write')
 
+
 @given('the access rights are set to "any user can view or make changes"')
 def radicale_given_authenticated(browser):
     application.radicale_set_access_rights(browser, 'authenticated')
 
-@when('I change the access rights to "only the owner can view or make changes"')
+
+@when('I change the access rights to "only the owner can view or make changes"'
+      )
 def radicale_set_owner_only(browser):
     application.radicale_set_access_rights(browser, 'owner_only')
 
-@when('I change the access rights to "any user can view, but only the owner can make changes"')
+
+@when(
+    'I change the access rights to "any user can view, but only the owner can make changes"'
+)
 def radicale_set_owner_write(browser):
     application.radicale_set_access_rights(browser, 'owner_write')
 
+
 @when('I change the access rights to "any user can view or make changes"')
 def radicale_set_authenticated(browser):
     application.radicale_set_access_rights(browser, 'authenticated')
 
+
 @then('the access rights should be "only the owner can view or make changes"')
 def radicale_check_owner_only(browser):
     assert application.radicale_get_access_rights(browser) == 'owner_only'
 
-@then('the access rights should be "any user can view, but only the owner can make changes"')
+
+@then(
+    'the access rights should be "any user can view, but only the owner can make changes"'
+)
 def radicale_check_owner_write(browser):
     assert application.radicale_get_access_rights(browser) == 'owner_write'
 
+
 @then('the access rights should be "any user can view or make changes"')
 def radicale_check_authenticated(browser):
     assert application.radicale_get_access_rights(browser) == 'authenticated'
@@ -451,8 +467,8 @@ def app_visible_on_front_page(browser, app_name):
     assert len(shortcuts) == 1
 
 
-@then(
+@then(parsers.parse('{app_name:w} app should not be visible on the front page')
-    parsers.parse('{app_name:w} app should not be visible on the front page'))
+      )
 def app_not_visible_on_front_page(browser, app_name):
     shortcuts = application.find_on_front_page(browser, app_name)
     assert len(shortcuts) == 0

functional_tests/step_definitions/interface.py

@@ -19,7 +19,6 @@ from pytest_bdd import given, parsers, then, when
 
 from support import config, interface
 
-
 default_url = config['DEFAULT']['url']
 
 
@@ -52,8 +51,8 @@ def new_user_does_not_exist(browser, name):
 @given(parsers.parse('the user {name:w} exists'))
 def test_user_exists(browser, name):
     interface.nav_to_module(browser, 'users')
-    user_link = browser.find_link_by_href(
+    user_link = browser.find_link_by_href('/plinth/sys/users/' + name +
-        '/plinth/sys/users/' + name + '/edit/')
+                                          '/edit/')
     if not user_link:
         create_user(browser, name, 'secret123')
 

functional_tests/step_definitions/site.py

@@ -61,8 +61,9 @@ def verify_upload_password(browser, password):
         'I upload the sample local file to coquelicot with password {password:w}'
     ))
 def coquelicot_upload_file(browser, sample_local_file, password):
-    url = site.upload_file_to_coquelicot(
+    url = site.upload_file_to_coquelicot(browser,
-        browser, sample_local_file['file_path'], password)
+                                         sample_local_file['file_path'],
+                                         password)
     sample_local_file['upload_url'] = url
 
 
@@ -214,7 +215,8 @@ def syncthing_folder_not_present(browser, folder_name):
 
 @given(
     parsers.parse(
-        'folder {folder_path:S} is present as syncthing folder {folder_name:w}'))
+        'folder {folder_path:S} is present as syncthing folder {folder_name:w}'
+    ))
 def syncthing_folder_present(browser, folder_name, folder_path):
     if not site.syncthing_folder_is_present(browser, folder_name):
         site.syncthing_add_folder(browser, folder_name, folder_path)

functional_tests/support/site.py

@@ -294,8 +294,8 @@ def transmission_remove_all_torrents(browser):
 def transmission_upload_sample_torrent(browser):
     """Upload a sample torrent into transmission."""
     browser.visit(config['DEFAULT']['url'] + '/transmission')
-    file_path = os.path.join(
+    file_path = os.path.join(os.path.dirname(__file__), '..', 'data',
-        os.path.dirname(__file__), '..', 'data', 'sample.torrent')
+                             'sample.torrent')
     browser.click_link_by_id('toolbar-open')
     eventually(browser.is_element_not_present_by_css,
                args=['#upload-container[style="display: none;"]'])
@@ -396,9 +396,8 @@ def deluge_remove_all_torrents(browser):
         browser.find_by_id('remove').first.click()
 
         # Remove window shows up
-        assert eventually(
+        assert eventually(lambda: _deluge_get_active_window_title(browser) ==
-            lambda: _deluge_get_active_window_title(browser) == 'Remove Torrent'
+                          'Remove Torrent')
-        )
 
         _deluge_click_active_window_button(browser, 'Remove With Data')
 
@@ -434,8 +433,8 @@ def deluge_upload_sample_torrent(browser):
     eventually(
         lambda: _deluge_get_active_window_title(browser) == 'Add Torrents')
 
-    file_path = os.path.join(
+    file_path = os.path.join(os.path.dirname(__file__), '..', 'data',
-        os.path.dirname(__file__), '..', 'data', 'sample.torrent')
+                             'sample.torrent')
 
     if browser.find_by_id('fileUploadForm'):  # deluge-web 2.x
         browser.attach_file('file', file_path)
@@ -443,9 +442,8 @@ def deluge_upload_sample_torrent(browser):
         browser.find_by_css('button.x-deluge-add-file').first.click()
 
         # Add from file window appears
-        eventually(
+        eventually(lambda: _deluge_get_active_window_title(browser) ==
-            lambda: _deluge_get_active_window_title(browser) == 'Add from File'
+                   'Add from File')
-        )
 
         # Attach file
         browser.attach_file('file', file_path)

plinth/action_utils.py

@@ -211,7 +211,6 @@ def webserver_disable(name, kind='config', apply_changes=True):
 
 class WebserverChange(object):
     """Context to restart/reload Apache after configuration changes."""
-
     def __init__(self):
         """Initialize the context object state."""
         self.actions_required = set()
@@ -425,9 +424,10 @@ def diagnose_url_on_all(url, **kwargs):
 def diagnose_netcat(host, port, input='', negate=False):
     """Run a diagnostic using netcat."""
     try:
-        process = subprocess.Popen(
+        process = subprocess.Popen(['nc', host, str(port)],
-            ['nc', host, str(port)], stdin=subprocess.PIPE,
+                                   stdin=subprocess.PIPE,
-            stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+                                   stdout=subprocess.PIPE,
+                                   stderr=subprocess.PIPE)
         process.communicate(input=input.encode())
         if process.returncode != 0:
             result = 'failed'

plinth/app.py

@@ -114,7 +114,6 @@ class Component:
 
     def enable(self):
         """Run operations to enable the component."""
-
     def disable(self):
         """Run operations to disable the component."""
 

plinth/context_processors.py

@@ -14,7 +14,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-
 """
 Django context processors to provide common data to templates.
 """

plinth/daemon.py

@@ -23,7 +23,6 @@ from plinth import action_utils, actions, app
 
 class Daemon(app.LeaderComponent):
     """Component to manage a background daemon or any systemd unit."""
-
     def __init__(self, component_id, unit, strict_check=False):
         """Initialize a new daemon component.
 

plinth/dbus.py

@@ -83,7 +83,6 @@ class PackageHandler():
 
 class DBusServer():
     """Abstraction over a connection to D-Bus."""
-
     def __init__(self):
         """Initialize the server object."""
         self.package_handler = None

plinth/forms.py

@@ -43,7 +43,6 @@ class DomainSelectionForm(forms.Form):
     """Form for selecting a domain name to be used for
     distributed federated applications
     """
-
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
@@ -84,9 +83,9 @@ class LanguageSelectionFormMixin:
             plinth_dir = os.path.dirname(plinth.__file__)
             if language_code == 'en' or os.path.exists(
                     os.path.join(plinth_dir, 'locale', locale_code)):
-                supported_languages.append((language_code,
+                supported_languages.append(
-                                            _get_local_name(
+                    (language_code,
-                                                language_code, language_name)))
+                     _get_local_name(language_code, language_name)))
 
         self.fields['language'].choices = supported_languages
 
@@ -106,7 +105,6 @@ class CheckboxSelectMultipleWithReadOnly(forms.widgets.CheckboxSelectMultiple):
 
     Derived from https://djangosnippets.org/snippets/2786/
     """
-
     def render(self, name, value, attrs=None, choices=(), renderer=None):
         if value is None:
             value = []
@@ -114,8 +112,8 @@ class CheckboxSelectMultipleWithReadOnly(forms.widgets.CheckboxSelectMultiple):
         output = [u'<ul>']
         global_readonly = 'readonly' in final_attrs
         str_values = set([v for v in value])
-        for i, (option_value, option_label) in enumerate(
+        for i, (option_value,
-                chain(self.choices, choices)):
+                option_label) in enumerate(chain(self.choices, choices)):
             if not global_readonly and 'readonly' in final_attrs:
                 # If the entire group is readonly keep all options readonly
                 del final_attrs['readonly']

plinth/kvstore.py

@@ -14,7 +14,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-
 """
 Simple key/value store using Django models
 """

plinth/middleware.py

@@ -41,7 +41,6 @@ logger = logging.getLogger(__name__)
 
 class SetupMiddleware(MiddlewareMixin):
     """Django middleware to show pre-setup message and setup progress."""
-
     @staticmethod
     def process_view(request, view_func, view_args, view_kwargs):
         """Handle a request as Django middleware request handler."""
@@ -77,8 +76,8 @@ class SetupMiddleware(MiddlewareMixin):
                                            str(exception))
                     error_details = getattr(exception, 'error_details', '')
                     message = _('Error installing application: {string} '
-                                '{details}').format(
+                                '{details}').format(string=error_string,
-                                    string=error_string, details=error_details)
+                                                    details=error_details)
                 else:
                     message = _('Error installing application: {error}') \
                         .format(error=exception)
@@ -96,7 +95,6 @@ class SetupMiddleware(MiddlewareMixin):
 
 class AdminRequiredMiddleware(MiddlewareMixin):
     """Django middleware for authenticating requests for admin areas."""
-
     @staticmethod
     def process_view(request, view_func, view_args, view_kwargs):
         """Reject non-admin access to views that are private and not marked."""
@@ -110,7 +108,6 @@ class AdminRequiredMiddleware(MiddlewareMixin):
 
 class FirstSetupMiddleware(MiddlewareMixin):
     """Django middleware to block all interactions before first setup."""
-
     @staticmethod
     def process_view(request, view_func, view_args, view_kwargs):
         """Block all user interactions when first setup is pending."""

plinth/migrations/0001_initial.py

@@ -18,7 +18,6 @@
 #
 # Generated by Django 1.9 on 2015-12-04 07:27
 #
-
 """
 Initial Django migration for FreedomBox to create database tables.
 """
@@ -33,8 +32,7 @@ class Migration(migrations.Migration):
 
     initial = True
 
-    dependencies = [
+    dependencies = []
-    ]
 
     operations = [
         migrations.CreateModel(

plinth/migrations/0003_merge_firstboot_completed_fields.py

@@ -14,7 +14,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-
 """
 Remove the deprecated KVStore entries 'setup_state' and 'firstboot_state',
 and only use the new entry 'firstboot_completed' instead.
@@ -63,8 +62,8 @@ def merge_firstboot_finished_fields(apps, schema_editor):
         firstboot_completed = _object.value
 
     # Set new 'firstboot_completed' if needed
-    new_firstboot_completed = bool(firstboot_completed or setup_state or
+    new_firstboot_completed = bool(firstboot_completed or setup_state
-                                   firstboot_state)
+                                   or firstboot_state)
     if new_firstboot_completed and not firstboot_completed:
         obj, created = KVStore.objects.get_or_create(key='firstboot_completed')
         obj.value = 1

plinth/migrations/0004_userprofile.py

@@ -30,14 +30,17 @@ class Migration(migrations.Migration):
         migrations.CreateModel(
             name='UserProfile',
             fields=[
-                ('id', models.AutoField(auto_created=True, primary_key=True,
+                ('id',
-                                        serialize=False, verbose_name='ID')),
+                 models.AutoField(auto_created=True, primary_key=True,
-                ('language', models.CharField(default=None, max_length=32,
+                                  serialize=False, verbose_name='ID')),
-                                              null=True)),
+                ('language',
-                ('user', models.OneToOneField(
+                 models.CharField(default=None, max_length=32, null=True)),
-                    on_delete=django.db.models.deletion.CASCADE,
+                ('user',
-                    to=settings.AUTH_USER_MODEL)),
+                 models.OneToOneField(
-            ], ),
+                     on_delete=django.db.models.deletion.CASCADE,
+                     to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
         migrations.RunPython(code=insert_users,
                              reverse_code=truncate_user_profile),
     ]

plinth/modules/apache/__init__.py

@@ -54,9 +54,9 @@ class ApacheApp(app_module.App):
 
         freedombox_ports = Firewall(
             'firewall-plinth',
-            format_lazy(
+            format_lazy(_('{box_name} Web Interface (Plinth)'),
-                _('{box_name} Web Interface (Plinth)'), box_name=_(
+                        box_name=_(cfg.box_name)), ports=['http', 'https'],
-                    cfg.box_name)), ports=['http', 'https'], is_external=True)
+            is_external=True)
         self.add(freedombox_ports)
 
         letsencrypt = LetsEncrypt('letsencrypt-apache', domains='*',

plinth/modules/apache/components.py

@@ -23,7 +23,6 @@ from plinth import action_utils, actions, app
 
 class Webserver(app.LeaderComponent):
     """Component to enable/disable Apache configuration."""
-
     def __init__(self, component_id, web_name, kind='config'):
         """Initialize the web server component.
 
@@ -62,7 +61,6 @@ class Webserver(app.LeaderComponent):
 
 class Uwsgi(app.LeaderComponent):
     """Component to enable/disable uWSGI configuration."""
-
     def __init__(self, component_id, uwsgi_name):
         """Initialize the uWSGI component.
 

plinth/modules/apache/urls.py

@@ -14,10 +14,8 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-
 """
 URLs for the Apache module.
 """
 
-urlpatterns = [
+urlpatterns = []
-]

plinth/modules/api/views.py

@@ -45,9 +45,8 @@ def shortcuts(request, **kwargs):
     # XXX: Get the module (or module name) from shortcut properly.
     username = str(request.user) if request.user.is_authenticated else None
     response = get_shortcuts_as_json(username)
-    return HttpResponse(
+    return HttpResponse(json.dumps(response, cls=DjangoJSONEncoder),
-        json.dumps(response, cls=DjangoJSONEncoder),
+                        content_type='application/json')
-        content_type='application/json')
 
 
 def get_shortcuts_as_json(username=None):

plinth/modules/avahi/__init__.py

@@ -91,9 +91,10 @@ def init():
     global app
     app = AvahiApp()
     if app.is_enabled():
-        domain_added.send_robust(
+        domain_added.send_robust(sender='avahi',
-            sender='avahi', domain_type='domain-type-local',
+                                 domain_type='domain-type-local',
-            name=get_hostname() + '.local', services='__all__')
+                                 name=get_hostname() + '.local',
+                                 services='__all__')
         app.set_enabled(True)
 
     post_hostname_change.connect(on_post_hostname_change)

plinth/modules/backups/__init__.py

@@ -108,9 +108,8 @@ def _backup_handler(packet, encryption_passphrase=None):
     arguments = ['create-archive', '--path', packet.path, '--paths'] + paths
     input_data = ''
     if encryption_passphrase:
-        input_data = json.dumps({
+        input_data = json.dumps(
-            'encryption_passphrase': encryption_passphrase
+            {'encryption_passphrase': encryption_passphrase})
-        })
 
     actions.superuser_run('backups', arguments, input=input_data.encode())
 

plinth/modules/backups/api.py

@@ -82,7 +82,6 @@ def _validate_service(service):
 
 class BackupError:
     """Represent an backup/restore operation error."""
-
     def __init__(self, error_type, app, hook=None):
         """Initialize the error object."""
         self.error_type = error_type
@@ -98,7 +97,6 @@ class BackupError:
 
 class Packet:
     """Information passed to a handlers for backup/restore operations."""
-
     def __init__(self, operation, scope, root, apps=None, path=None):
         """Initialize the packet.
 
@@ -240,7 +238,6 @@ def _install_apps_before_restore(apps):
 
 class BackupApp:
     """A application that can be backed up and its manifest."""
-
     def __init__(self, name, app):
         """Initialize object and load manfiest."""
         self.name = name
@@ -365,7 +362,6 @@ def _switch_to_subvolume(subvolume):
 
 class ServiceHandler:
     """Abstraction to help with service shutdown/restart."""
-
     @staticmethod
     def create(backup_app, service):
         service_type = 'system'
@@ -400,7 +396,6 @@ class ServiceHandler:
 
 class SystemServiceHandler(ServiceHandler):
     """Handle starting and stopping of system services for backup."""
-
     def __init__(self, backup_app, service):
         """Initialize the object."""
         super().__init__(backup_app, service)
@@ -420,7 +415,6 @@ class SystemServiceHandler(ServiceHandler):
 
 class ApacheServiceHandler(ServiceHandler):
     """Handle starting and stopping of Apache services for backup."""
-
     def __init__(self, backup_app, service):
         """Initialize the object."""
         super().__init__(backup_app, service)

plinth/modules/backups/decorators.py

@@ -30,7 +30,6 @@ def delete_tmp_backup_file(function):
     XXX: Implement a better way to delete uploaded files.
 
     """
-
     @functools.wraps(function)
     def wrapper(request, *args, **kwargs):
         path = request.session.get(SESSION_PATH_VARIABLE, None)

plinth/modules/backups/repository.py

@@ -59,10 +59,8 @@ KNOWN_ERRORS = [
         'errors': [
             'not a valid repository', 'does not exist', 'FileNotFoundError'
         ],
-        'message':
+        'message': _('Repository not found'),
-            _('Repository not found'),
+        'raise_as': errors.BorgRepositoryDoesNotExistError,
-        'raise_as':
-            errors.BorgRepositoryDoesNotExistError,
     },
     {
         'errors': ['passphrase supplied in .* is incorrect'],
@@ -176,7 +174,6 @@ class BaseBorgRepository(abc.ABC):
 
     def remove(self):
         """Remove a borg repository"""
-
     def list_archives(self):
         """Return list of archives in this repository."""
         output = self.run(['list-repo', '--path', self.borg_path])
@@ -241,7 +238,6 @@ class BaseBorgRepository(abc.ABC):
 
     def get_download_stream(self, archive_name):
         """Return an stream of .tar.gz binary data for a backup archive."""
-
         class BufferedReader(io.BufferedReader):
             """Improve performance of buffered binary streaming.
 
@@ -255,7 +251,6 @@ class BaseBorgRepository(abc.ABC):
             binary data.
 
             """
-
             def __next__(self):
                 """Override to call read() instead of readline()."""
                 chunk = self.read(io.DEFAULT_BUFFER_SIZE)

plinth/modules/backups/tests/test_api.py

@@ -57,7 +57,6 @@ def _get_backup_app(name):
 
 class TestBackupApp:
     """Test the BackupApp class."""
-
     @staticmethod
     def test_run_hook():
         """Test running a hook on an application."""
@@ -82,7 +81,6 @@ class TestBackupApp:
 @pytest.mark.usefixtures('load_cfg')
 class TestBackupProcesses:
     """Test cases for backup processes"""
-
     @staticmethod
     def test_packet_process_manifests():
         """Test that directories/files are collected from manifests."""
@@ -239,7 +237,6 @@ class TestBackupProcesses:
 
 class TestBackupModule:
     """Tests of the backups django module, like views or forms."""
-
     @staticmethod
     def test_file_upload():
         # posting a video should fail

plinth/modules/cockpit/utils.py

@@ -27,8 +27,8 @@ CONFIG_FILE = '/etc/cockpit/cockpit.conf'
 
 def load_augeas():
     """Initialize Augeas."""
-    aug = augeas.Augeas(
+    aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-        flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                        augeas.Augeas.NO_MODL_AUTOLOAD)
     aug.set('/augeas/load/inifile/lens', 'Puppet.lns')
     aug.set('/augeas/load/inifile/incl[last() + 1]', CONFIG_FILE)
     aug.load()

plinth/modules/config/__init__.py

@@ -81,8 +81,8 @@ def get_hostname():
 
 def _get_home_page_url():
     """Get the default application for the domain."""
-    aug = augeas.Augeas(
+    aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-        flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                        augeas.Augeas.NO_MODL_AUTOLOAD)
     aug.set('/augeas/load/Httpd/lens', 'Httpd.lns')
     conf_file = APACHE_HOMEPAGE_CONFIG if os.path.exists(
         APACHE_HOMEPAGE_CONFIG) else FREEDOMBOX_APACHE_CONFIG

plinth/modules/config/forms.py

@@ -67,11 +67,10 @@ class ConfigurationForm(forms.Form):
                 'end with an alphabet or a digit and have as interior '
                 'characters only alphabets, digits and hyphens.  Total '
                 'length must be 63 characters or less.'),
-            box_name=ugettext_lazy(cfg.box_name)),
+            box_name=ugettext_lazy(cfg.box_name)), validators=[
-        validators=[
+                validators.RegexValidator(HOSTNAME_REGEX,
-            validators.RegexValidator(HOSTNAME_REGEX,
+                                          ugettext_lazy('Invalid hostname'))
-                                      ugettext_lazy('Invalid hostname'))
+            ], strip=True)
-        ], strip=True)
 
     domainname = forms.CharField(
         label=ugettext_lazy('Domain Name'), help_text=format_lazy(
@@ -83,12 +82,12 @@ class ConfigurationForm(forms.Form):
                 'only alphabets, digits and hyphens.  Length of each label '
                 'must be 63 characters or less.  Total length of domain name '
                 'must be 253 characters or less.'),
-            box_name=ugettext_lazy(cfg.box_name)),
+            box_name=ugettext_lazy(cfg.box_name)), required=False, validators=[
-        required=False, validators=[
+                validators.RegexValidator(
-            validators.RegexValidator(
+                    r'^[a-zA-Z0-9]([-a-zA-Z0-9.]{,251}[a-zA-Z0-9])?$',
-                r'^[a-zA-Z0-9]([-a-zA-Z0-9.]{,251}[a-zA-Z0-9])?$',
+                    ugettext_lazy('Invalid domain name')),
-                ugettext_lazy('Invalid domain name')), domain_label_validator
+                domain_label_validator
-        ], strip=True)
+            ], strip=True)
 
     homepage = forms.ChoiceField(
         label=ugettext_lazy('Webserver Home Page'), help_text=format_lazy(

plinth/modules/diagnostics/urls.py

@@ -14,7 +14,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-
 """
 URLs for the Diagnostics module
 """
@@ -23,7 +22,6 @@ from django.conf.urls import url
 
 from . import diagnostics as views
 
-
 urlpatterns = [
     url(r'^sys/diagnostics/$', views.index, name='index'),
     url(r'^sys/diagnostics/(?P<module_name>[1-9a-z\-]+)/$', views.module,

plinth/modules/diaspora/__init__.py

@@ -89,9 +89,10 @@ class DiasporaApp(app_module.App):
                               parent_url_name='apps')
         self.add(menu_item)
 
-        shortcut = Shortcut(
+        shortcut = Shortcut('shortcut-diaspora', name,
-            'shortcut-diaspora', name, short_description=short_description,
+                            short_description=short_description,
-            icon='diaspora', url=None, clients=clients, login_required=True)
+                            icon='diaspora', url=None, clients=clients,
+                            login_required=True)
         self.add(shortcut)
 
         firewall = Firewall('firewall-diaspora', name, ports=['http', 'https'],
@@ -107,7 +108,6 @@ class DiasporaApp(app_module.App):
 
 class Shortcut(frontpage.Shortcut):
     """Frontpage shortcut to use configured domain name for URL."""
-
     def enable(self):
         """Set the proper shortcut URL when enabled."""
         super().enable()
@@ -179,8 +179,8 @@ def generate_apache_configuration(conf_file, domain_name):
 
     diaspora_domain_name = ".".join(["diaspora", domain_name])
 
-    aug = augeas.Augeas(
+    aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-        flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                        augeas.Augeas.NO_MODL_AUTOLOAD)
 
     aug.set('/augeas/load/Httpd/lens', 'Httpd.lns')
     aug.set('/augeas/load/Httpd/incl[last() + 1]', conf_file)

plinth/modules/diaspora/manifest.py

@@ -40,8 +40,9 @@ clients = validate([{
         'type':
             'web',
         'url':
-            format_lazy('https://diaspora.{host}',
+            format_lazy(
-                        host=diaspora.get_configured_domain_name() if
+                'https://diaspora.{host}',
-                        diaspora.is_setup() else "<please-setup-domain-name>")
+                host=diaspora.get_configured_domain_name()
+                if diaspora.is_setup() else "<please-setup-domain-name>")
     }]
 }])

plinth/modules/dynamicdns/__init__.py

@@ -86,9 +86,10 @@ def init():
     app = DynamicDNSApp()
     current_status = get_status()
     if current_status['enabled']:
-        domain_added.send_robust(
+        domain_added.send_robust(sender='dynamicdns',
-            sender='dynamicdns', domain_type='domain-type-dynamic',
+                                 domain_type='domain-type-dynamic',
-            name=current_status['dynamicdns_domain'], services='__all__')
+                                 name=current_status['dynamicdns_domain'],
+                                 services='__all__')
         app.set_enabled(True)
 
 

plinth/modules/dynamicdns/forms.py

@@ -28,7 +28,6 @@ from plinth.utils import format_lazy
 
 class TrimmedCharField(forms.CharField):
     """Trim the contents of a CharField."""
-
     def clean(self, value):
         """Clean and validate the field value"""
         if value:
@@ -81,12 +80,12 @@ class ConfigureForm(forms.Form):
                                                       'freedns.afraid.org'),
                         ('other', 'other update URL'))
 
-    enabled = forms.BooleanField(
+    enabled = forms.BooleanField(label=ugettext_lazy('Enable Dynamic DNS'),
-        label=ugettext_lazy('Enable Dynamic DNS'), required=False)
+                                 required=False)
 
-    service_type = forms.ChoiceField(
+    service_type = forms.ChoiceField(label=ugettext_lazy('Service Type'),
-        label=ugettext_lazy('Service Type'), help_text=help_services,
+                                     help_text=help_services,
-        choices=provider_choices)
+                                     choices=provider_choices)
 
     dynamicdns_server = TrimmedCharField(
         label=ugettext_lazy('GnuDIP Server Address'), required=False,
@@ -95,9 +94,9 @@ class ConfigureForm(forms.Form):
                                       ugettext_lazy('Invalid server name'))
         ])
 
-    dynamicdns_update_url = TrimmedCharField(
+    dynamicdns_update_url = TrimmedCharField(label=ugettext_lazy('Update URL'),
-        label=ugettext_lazy('Update URL'), required=False,
+                                             required=False,
-        help_text=help_update_url)
+                                             help_text=help_update_url)
 
     disable_SSL_cert_check = forms.BooleanField(
         label=ugettext_lazy('Accept all SSL certificates'),
@@ -114,15 +113,15 @@ class ConfigureForm(forms.Form):
                                       ugettext_lazy('Invalid domain name'))
         ])
 
-    dynamicdns_user = TrimmedCharField(
+    dynamicdns_user = TrimmedCharField(label=ugettext_lazy('Username'),
-        label=ugettext_lazy('Username'), required=False, help_text=help_user)
+                                       required=False, help_text=help_user)
 
-    dynamicdns_secret = TrimmedCharField(
+    dynamicdns_secret = TrimmedCharField(label=ugettext_lazy('Password'),
-        label=ugettext_lazy('Password'), widget=forms.PasswordInput(),
+                                         widget=forms.PasswordInput(),
-        required=False, help_text=help_secret)
+                                         required=False, help_text=help_secret)
 
-    showpw = forms.BooleanField(
+    showpw = forms.BooleanField(label=ugettext_lazy('Show password'),
-        label=ugettext_lazy('Show password'), required=False)
+                                required=False)
 
     dynamicdns_ipurl = TrimmedCharField(
         label=ugettext_lazy('URL to look up public IP'), required=False,

plinth/modules/dynamicdns/views.py

@@ -39,15 +39,13 @@ EMPTYSTRING = 'none'
 subsubmenu = [{
     'url': reverse_lazy('dynamicdns:index'),
     'text': ugettext_lazy('About')
-},
+}, {
-              {
+    'url': reverse_lazy('dynamicdns:configure'),
-                  'url': reverse_lazy('dynamicdns:configure'),
+    'text': ugettext_lazy('Configure')
-                  'text': ugettext_lazy('Configure')
+}, {
-              },
+    'url': reverse_lazy('dynamicdns:statuspage'),
-              {
+    'text': ugettext_lazy('Status')
-                  'url': reverse_lazy('dynamicdns:statuspage'),
+}]
-                  'text': ugettext_lazy('Status')
-              }]
 
 
 def index(request):
@@ -164,9 +162,10 @@ def _apply_changes(request, old_status, new_status):
             _run(['stop'])
 
         if new_status['enabled']:
-            domain_added.send_robust(
+            domain_added.send_robust(sender='dynamicdns',
-                sender='dynamicdns', domain_type='domain-type-dynamic',
+                                     domain_type='domain-type-dynamic',
-                name=new_status['dynamicdns_domain'], services='__all__')
+                                     name=new_status['dynamicdns_domain'],
+                                     services='__all__')
             _run(['start'])
 
         messages.success(request, _('Configuration updated'))

plinth/modules/firewall/tests/test_components.py

@@ -77,7 +77,6 @@ def test_port_details(get_port_details):
 @patch('plinth.modules.firewall.get_enabled_services')
 def test_enable(get_enabled_services, add_service):
     """Test enabling a firewall component."""
-
     def get_enabled_services_side_effect(zone):
         return {'internal': ['test-port1'], 'external': ['test-port2']}[zone]
 

plinth/modules/firewall/urls.py

@@ -14,7 +14,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-
 """
 URLs for the Firewall module
 """
@@ -23,7 +22,6 @@ from django.conf.urls import url
 
 from . import views
 
-
 urlpatterns = [
     url(r'^sys/firewall/$', views.index, name='index'),
 ]

plinth/modules/first_boot/middleware.py

@@ -14,7 +14,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-
 """
 Django middleware to redirect to firstboot wizard if it has not be run
 yet.
@@ -34,7 +33,6 @@ LOGGER = logging.getLogger(__name__)
 
 class FirstBootMiddleware(MiddlewareMixin):
     """Forward to firstboot page if firstboot isn't finished yet."""
-
     @staticmethod
     def process_request(request):
         """Handle a request as Django middleware request handler."""

plinth/modules/gitweb/__init__.py

@@ -78,10 +78,11 @@ class GitwebApp(app_module.App):
                               'gitweb:index', parent_url_name='apps')
         self.add(menu_item)
 
-        shortcut = frontpage.Shortcut(
+        shortcut = frontpage.Shortcut('shortcut-gitweb', name,
-            'shortcut-gitweb', name, short_description=short_description,
+                                      short_description=short_description,
-            icon=icon_filename, url='/gitweb/', clients=clients,
+                                      icon=icon_filename, url='/gitweb/',
-            login_required=True, allowed_groups=[group[0]])
+                                      clients=clients, login_required=True,
+                                      allowed_groups=[group[0]])
         self.add(shortcut)
 
         firewall = Firewall('firewall-gitweb', name, ports=['http', 'https'],
@@ -154,7 +155,6 @@ class GitwebApp(app_module.App):
 
 class GitwebWebserverAuth(Webserver):
     """Component to handle Gitweb authentication webserver configuration."""
-
     def is_conf_enabled(self):
         """Check whether Gitweb authentication configuration is enabled."""
         return super().is_enabled()

plinth/modules/gitweb/forms.py

@@ -83,9 +83,9 @@ class CreateRepoForm(forms.Form):
         label=_('Description of the repository'), strip=True, required=False,
         help_text=_('Optional, for displaying on Gitweb.'))
 
-    owner = forms.CharField(
+    owner = forms.CharField(label=_('Repository\'s owner name'), strip=True,
-        label=_('Repository\'s owner name'), strip=True, required=False,
+                            required=False,
-        help_text=_('Optional, for displaying on Gitweb.'))
+                            help_text=_('Optional, for displaying on Gitweb.'))
 
     is_private = forms.BooleanField(
         label=_('Private repository'), required=False,

plinth/modules/gitweb/tests/test_gitweb.py

@@ -30,8 +30,8 @@ from django.forms import ValidationError
 def _action_file():
     """Return the path to the 'gitweb' actions file."""
     current_directory = pathlib.Path(__file__).parent
-    return str(
+    return str(current_directory / '..' / '..' / '..' / '..' / 'actions' /
-        current_directory / '..' / '..' / '..' / '..' / 'actions' / 'gitweb')
+               'gitweb')
 
 
 gitweb_actions = imp.load_source('gitweb', _action_file())
@@ -40,7 +40,6 @@ gitweb_actions = imp.load_source('gitweb', _action_file())
 @pytest.fixture(name='call_action')
 def fixture_call_action(tmpdir, capsys):
     """Run actions with custom repo root path."""
-
     def _call_action(args, **kwargs):
         gitweb_actions.GIT_REPO_PATH = str(tmpdir)
         with patch('argparse._sys.argv', ['gitweb'] + args):

plinth/modules/i2p/__init__.py

@@ -89,10 +89,11 @@ class I2PApp(app_module.App):
                               'i2p:index', parent_url_name='apps')
         self.add(menu_item)
 
-        shortcut = frontpage.Shortcut(
+        shortcut = frontpage.Shortcut('shortcut-i2p', name,
-            'shortcut-i2p', name, short_description=short_description,
+                                      short_description=short_description,
-            icon=icon_filename, url='/i2p/', clients=clients, login_required=True,
+                                      icon=icon_filename, url='/i2p/',
-            allowed_groups=[group[0]])
+                                      clients=clients, login_required=True,
+                                      allowed_groups=[group[0]])
         self.add(shortcut)
 
         firewall = Firewall('firewall-i2p-web', name, ports=['http', 'https'],

plinth/modules/i2p/helpers.py

@@ -35,7 +35,6 @@ class TunnelEditor():
     :type aug: augeas.Augeas
 
     """
-
     def __init__(self, conf_filename=None, idx=None):
         self.conf_filename = conf_filename or FILE_TUNNEL_CONF
         self.idx = idx
@@ -55,8 +54,8 @@ class TunnelEditor():
         Chainable method.
 
         """
-        self.aug = augeas.Augeas(
+        self.aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-            flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                                 augeas.Augeas.NO_MODL_AUTOLOAD)
         self.aug.set('/augeas/load/Properties/lens', 'Properties.lns')
         self.aug.set('/augeas/load/Properties/incl[last() + 1]',
                      self.conf_filename)
@@ -160,8 +159,8 @@ class RouterEditor():
         Chainable method.
 
         """
-        self.aug = augeas.Augeas(
+        self.aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-            flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                                 augeas.Augeas.NO_MODL_AUTOLOAD)
         self.aug.set('/augeas/load/Properties/lens', 'Properties.lns')
         self.aug.set('/augeas/load/Properties/incl[last() + 1]',
                      self.conf_filename)

plinth/modules/i2p/resources.py

@@ -18,110 +18,92 @@
 Pre-defined list of favorites for I2P and some additional favorites.
 """
 
-DEFAULT_FAVORITES = [
+DEFAULT_FAVORITES = [{
-    {
+    'name': 'anoncoin.i2p',
-        'name': 'anoncoin.i2p',
+    'description': 'The Anoncoin project',
-        'description': 'The Anoncoin project',
+    'icon': '/themes/console/images/anoncoin_32.png',
-        'icon': '/themes/console/images/anoncoin_32.png',
+    'url': 'http://anoncoin.i2p/'
-        'url': 'http://anoncoin.i2p/'
+}, {
-    },
+    'name': 'Dev Builds',
-    {
+    'description': 'Development builds of I2P',
-        'name': 'Dev Builds',
+    'icon': '/themes/console/images/script_gear.png',
-        'description': 'Development builds of I2P',
+    'url': 'http://bobthebuilder.i2p/'
-        'icon': '/themes/console/images/script_gear.png',
+}, {
-        'url': 'http://bobthebuilder.i2p/'
+    'name': 'Dev Forum',
-    },
+    'description': 'Development forum',
-    {
+    'icon': '/themes/console/images/group_gear.png',
-        'name': 'Dev Forum',
+    'url': 'http://zzz.i2p/'
-        'description': 'Development forum',
+}, {
-        'icon': '/themes/console/images/group_gear.png',
+    'name': 'echelon.i2p',
-        'url': 'http://zzz.i2p/'
+    'description': 'I2P Applications',
-    },
+    'icon': '/themes/console/images/box_open.png',
-    {
+    'url': 'http://echelon.i2p/'
-        'name': 'echelon.i2p',
+}, {
-        'description': 'I2P Applications',
+    'name': 'exchanged.i2p',
-        'icon': '/themes/console/images/box_open.png',
+    'description': 'Anonymous cryptocurrency exchange',
-        'url': 'http://echelon.i2p/'
+    'icon': '/themes/console/images/exchanged.png',
-    },
+    'url': 'http://exchanged.i2p/'
-    {
+}, {
-        'name': 'exchanged.i2p',
+    'name': 'I2P Bug Reports',
-        'description': 'Anonymous cryptocurrency exchange',
+    'description': 'Bug tracker',
-        'icon': '/themes/console/images/exchanged.png',
+    'icon': '/themes/console/images/bug.png',
-        'url': 'http://exchanged.i2p/'
+    'url': 'http://trac.i2p2.i2p/report/1'
-    },
+}, {
-    {
+    'name': 'I2P FAQ',
-        'name': 'I2P Bug Reports',
+    'description': 'Frequently Asked Questions',
-        'description': 'Bug tracker',
+    'icon': '/themes/console/images/question.png',
-        'icon': '/themes/console/images/bug.png',
+    'url': 'http://i2p-projekt.i2p/faq'
-        'url': 'http://trac.i2p2.i2p/report/1'
+}, {
-    },
+    'name': 'I2P Forum',
-    {
+    'description': 'Community forum',
-        'name': 'I2P FAQ',
+    'icon': '/themes/console/images/group.png',
-        'description': 'Frequently Asked Questions',
+    'url': 'http://i2pforum.i2p/'
-        'icon': '/themes/console/images/question.png',
+}, {
-        'url': 'http://i2p-projekt.i2p/faq'
+    'name': 'I2P Plugins',
-    },
+    'description': 'Add-on directory',
-    {
+    'icon': '/themes/console/images/info/plugin_link.png',
-        'name': 'I2P Forum',
+    'url': 'http://i2pwiki.i2p/index.php?title=Plugins'
-        'description': 'Community forum',
+}, {
-        'icon': '/themes/console/images/group.png',
+    'name': 'I2P Technical Docs',
-        'url': 'http://i2pforum.i2p/'
+    'description': 'Technical documentation',
-    },
+    'icon': '/themes/console/images/education.png',
-    {
+    'url': 'http://i2p-projekt.i2p/how'
-        'name': 'I2P Plugins',
+}, {
-        'description': 'Add-on directory',
+    'name': 'I2P Wiki',
-        'icon': '/themes/console/images/info/plugin_link.png',
+    'description': 'Anonymous wiki - share the knowledge',
-        'url': 'http://i2pwiki.i2p/index.php?title=Plugins'
+    'icon': '/themes/console/images/i2pwiki_logo.png',
-    },
+    'url': 'http://i2pwiki.i2p/'
-    {
+}, {
-        'name': 'I2P Technical Docs',
+    'name': 'Planet I2P',
-        'description': 'Technical documentation',
+    'description': 'I2P News',
-        'icon': '/themes/console/images/education.png',
+    'icon': '/themes/console/images/world.png',
-        'url': 'http://i2p-projekt.i2p/how'
+    'url': 'http://planet.i2p/'
-    },
+}, {
-    {
+    'name': 'PrivateBin',
-        'name': 'I2P Wiki',
+    'description': 'Encrypted I2P Pastebin',
-        'description': 'Anonymous wiki - share the knowledge',
+    'icon': '/themes/console/images/paste_plain.png',
-        'icon': '/themes/console/images/i2pwiki_logo.png',
+    'url': 'http://paste.crypthost.i2p/'
-        'url': 'http://i2pwiki.i2p/'
+}, {
-    },
+    'name': 'Project Website',
-    {
+    'description': 'I2P home page',
-        'name': 'Planet I2P',
+    'icon': '/themes/console/images/info_rhombus.png',
-        'description': 'I2P News',
+    'url': 'http://i2p-projekt.i2p/'
-        'icon': '/themes/console/images/world.png',
+}, {
-        'url': 'http://planet.i2p/'
+    'name': 'stats.i2p',
-    },
+    'description': 'I2P Network Statistics',
-    {
+    'icon': '/themes/console/images/chart_line.png',
-        'name': 'PrivateBin',
+    'url': 'http://stats.i2p/cgi-bin/dashboard.cgi'
-        'description': 'Encrypted I2P Pastebin',
+}, {
-        'icon': '/themes/console/images/paste_plain.png',
+    'name': 'The Tin Hat',
-        'url': 'http://paste.crypthost.i2p/'
+    'description': 'Privacy guides and tutorials',
-    },
+    'icon': '/themes/console/images/thetinhat.png',
-    {
+    'url': 'http://secure.thetinhat.i2p/'
-        'name': 'Project Website',
+}, {
-        'description': 'I2P home page',
+    'name': 'Trac Wiki',
-        'icon': '/themes/console/images/info_rhombus.png',
+    'description': '',
-        'url': 'http://i2p-projekt.i2p/'
+    'icon': '/themes/console/images/billiard_marker.png',
-    },
+    'url': 'http://trac.i2p2.i2p/'
-    {
+}]
-        'name': 'stats.i2p',
-        'description': 'I2P Network Statistics',
-        'icon': '/themes/console/images/chart_line.png',
-        'url': 'http://stats.i2p/cgi-bin/dashboard.cgi'
-    },
-    {
-        'name': 'The Tin Hat',
-        'description': 'Privacy guides and tutorials',
-        'icon': '/themes/console/images/thetinhat.png',
-        'url': 'http://secure.thetinhat.i2p/'
-    },
-    {
-        'name': 'Trac Wiki',
-        'description': '',
-        'icon': '/themes/console/images/billiard_marker.png',
-        'url': 'http://trac.i2p2.i2p/'
-    }
-]
 ADDITIONAL_FAVORITES = [
     {
         'name': 'Searx instance',

plinth/modules/i2p/views.py

@@ -32,11 +32,10 @@ subsubmenu = [{
 }, {
     'url': reverse_lazy('i2p:tunnels'),
     'text': ugettext_lazy('Proxies')
-},
+}, {
-              {
+    'url': reverse_lazy('i2p:torrents'),
-                  'url': reverse_lazy('i2p:torrents'),
+    'text': ugettext_lazy('Anonymous torrents')
-                  'text': ugettext_lazy('Anonymous torrents')
+}]
-              }]
 
 
 class I2PAppView(AppView):

plinth/modules/ikiwiki/__init__.py

@@ -92,8 +92,7 @@ class IkiwikiApp(app_module.App):
         """Add an ikiwiki shortcut to frontpage."""
         shortcut = frontpage.Shortcut('shortcut-ikiwiki-' + site, title,
                                       icon=icon_filename,
-                                      url='/ikiwiki/' + site,
+                                      url='/ikiwiki/' + site, clients=clients)
-                                      clients=clients)
         self.add(shortcut)
         return shortcut
 

plinth/modules/ikiwiki/forms.py

@@ -14,7 +14,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 #
-
 """
 Forms for configuring ikiwiki
 """
@@ -25,14 +24,12 @@ from django.utils.translation import ugettext_lazy as _
 
 class IkiwikiCreateForm(forms.Form):
     """Form to create a wiki or blog."""
-    site_type = forms.ChoiceField(
+    site_type = forms.ChoiceField(label=_('Type'), choices=[('wiki', 'Wiki'),
-        label=_('Type'),
+                                                            ('blog', 'Blog')])
-        choices=[('wiki', 'Wiki'), ('blog', 'Blog')])
 
     name = forms.CharField(label=_('Name'))
 
     admin_name = forms.CharField(label=_('Admin Account Name'))
 
-    admin_password = forms.CharField(
+    admin_password = forms.CharField(label=_('Admin Account Password'),
-        label=_('Admin Account Password'),
+                                     widget=forms.PasswordInput())
-        widget=forms.PasswordInput())

plinth/modules/ikiwiki/manifest.py

@@ -28,8 +28,7 @@ clients = validate([{
     }]
 }])
 
-backup = validate_backup({
+backup = validate_backup(
-    'data': {
+    {'data': {
         'directories': ['/var/lib/ikiwiki/', '/var/www/ikiwiki/']
-    }
+    }})
-})

plinth/modules/jsxc/__init__.py

@@ -63,10 +63,11 @@ class JSXCApp(app_module.App):
                               'jsxc:index', parent_url_name='apps')
         self.add(menu_item)
 
-        shortcut = frontpage.Shortcut(
+        shortcut = frontpage.Shortcut('shortcut-jsxc', name=name,
-            'shortcut-jsxc', name=name, short_description=short_description,
+                                      short_description=short_description,
-            icon=icon_filename,
+                                      icon=icon_filename,
-            url=reverse_lazy('jsxc:jsxc'), clients=clients)
+                                      url=reverse_lazy('jsxc:jsxc'),
+                                      clients=clients)
         self.add(shortcut)
 
         firewall = Firewall('firewall-jsxc', name, ports=['http', 'https'],

plinth/modules/letsencrypt/components.py

@@ -326,9 +326,10 @@ class LetsEncrypt(app.FollowerComponent):
                                        source_certificate_path,
                                        private_key_path, certificate_path)
         else:
-            self._copy_certificate(
+            self._copy_certificate(source_private_key_path,
-                source_private_key_path, source_certificate_path,
+                                   source_certificate_path,
-                self.private_key_path, self.certificate_path)
+                                   self.private_key_path,
+                                   self.certificate_path)
 
     def _copy_certificate(self, source_private_key_path,
                           source_certificate_path, private_key_path,
@@ -374,8 +375,8 @@ def on_certificate_event(event, domains, lineage):
       certificate changes.
 
     """
-    threading.Thread(target=on_certificate_event_sync, args=(event, domains,
+    threading.Thread(target=on_certificate_event_sync,
-                                                             lineage)).start()
+                     args=(event, domains, lineage)).start()
 
 
 def on_certificate_event_sync(event, domains, lineage):

plinth/modules/matrixsynapse/__init__.py

@@ -108,9 +108,8 @@ class MatrixSynapseApp(app_module.App):
         self.add(webserver)
 
         letsencrypt = LetsEncrypt(
-            'letsencrypt-matrixsynapse', domains=get_domains, daemons=[
+            'letsencrypt-matrixsynapse', domains=get_domains,
-                managed_services[0]
+            daemons=[managed_services[0]], should_copy_certificates=True,
-            ], should_copy_certificates=True,
             private_key_path='/etc/matrix-synapse/homeserver.tls.key',
             certificate_path='/etc/matrix-synapse/homeserver.tls.crt',
             user_owner='matrix-synapse', group_owner='nogroup',

plinth/modules/mediawiki/__init__.py

@@ -101,7 +101,6 @@ class MediaWikiApp(app_module.App):
 
 class Shortcut(frontpage.Shortcut):
     """Frontpage shortcut for only logged users when in private mode."""
-
     def enable(self):
         """When enabled, check if MediaWiki is in private mode."""
         super().enable()

plinth/modules/minetest/__init__.py

@@ -132,8 +132,8 @@ def diagnose():
 
 def load_augeas():
     """Initialize Augeas."""
-    aug = augeas.Augeas(
+    aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-        flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                        augeas.Augeas.NO_MODL_AUTOLOAD)
     aug.set('/augeas/load/Php/lens', 'Php.lns')
     aug.set('/augeas/load/Php/incl[last() + 1]', CONFIG_FILE)
     aug.load()

plinth/modules/minetest/forms.py

@@ -28,9 +28,9 @@ class MinetestForm(AppForm):
     """Minetest configuration form"""
     max_players = forms.IntegerField(
         label=_('Maximum number of players'), required=True, min_value=1,
-        max_value=100, help_text=_(
+        max_value=100,
-            'You can change the maximum number of players playing '
+        help_text=_('You can change the maximum number of players playing '
-            'minetest at a single instance of time.'))
+                    'minetest at a single instance of time.'))
 
     creative_mode = forms.BooleanField(
         label=_('Enable creative mode'), required=False,

plinth/modules/mldonkey/__init__.py

@@ -80,10 +80,11 @@ class MLDonkeyApp(app_module.App):
                               parent_url_name='apps')
         self.add(menu_item)
 
-        shortcuts = frontpage.Shortcut(
+        shortcuts = frontpage.Shortcut('shortcut-mldonkey', name,
-            'shortcut-mldonkey', name, short_description=short_description,
+                                       short_description=short_description,
-            icon=icon_filename, url='/mldonkey/', login_required=True,
+                                       icon=icon_filename, url='/mldonkey/',
-            clients=clients, allowed_groups=[group[0]])
+                                       login_required=True, clients=clients,
+                                       allowed_groups=[group[0]])
         self.add(shortcuts)
 
         firewall = Firewall('firewall-mldonkey', name, ports=['http', 'https'],

plinth/modules/mldonkey/manifest.py

@@ -55,24 +55,18 @@ clients = validate([{
 backup = validate_backup({
     'config': {
         'files': [
-            '/var/lib/mldonkey/bittorrent.ini',
+            '/var/lib/mldonkey/bittorrent.ini', '/var/lib/mldonkey/bt_dht.ini',
-            '/var/lib/mldonkey/bt_dht.ini',
             '/var/lib/mldonkey/directconnect.ini',
-            '/var/lib/mldonkey/donkey.ini',
+            '/var/lib/mldonkey/donkey.ini', '/var/lib/mldonkey/downloads.ini',
-            '/var/lib/mldonkey/downloads.ini',
             '/var/lib/mldonkey/files.ini',
             '/var/lib/mldonkey/file_sources.ini',
-            '/var/lib/mldonkey/fileTP.ini',
+            '/var/lib/mldonkey/fileTP.ini', '/var/lib/mldonkey/friends.ini',
-            '/var/lib/mldonkey/friends.ini',
+            '/var/lib/mldonkey/searches.ini', '/var/lib/mldonkey/servers.ini',
-            '/var/lib/mldonkey/searches.ini',
-            '/var/lib/mldonkey/servers.ini',
             '/var/lib/mldonkey/shared_files.ini',
             '/var/lib/mldonkey/shared_files_new.ini',
             '/var/lib/mldonkey/statistics.ini',
-            '/var/lib/mldonkey/stats_bt.ini',
+            '/var/lib/mldonkey/stats_bt.ini', '/var/lib/mldonkey/stats.ini',
-            '/var/lib/mldonkey/stats.ini',
+            '/var/lib/mldonkey/stats_mod.ini', '/var/lib/mldonkey/users.ini'
-            '/var/lib/mldonkey/stats_mod.ini',
-            '/var/lib/mldonkey/users.ini'
         ]
     },
     'services': ['mldonkey-server']

plinth/modules/mldonkey/urls.py

@@ -26,10 +26,10 @@ from plinth.views import AppView
 urlpatterns = [
     url(
         r'^apps/mldonkey/$',
-        AppView.as_view(
+        AppView.as_view(app_id='mldonkey', name=mldonkey.name,
-            app_id='mldonkey', name=mldonkey.name,
+                        diagnostics_module_name='mldonkey',
-            diagnostics_module_name='mldonkey',
+                        description=mldonkey.description,
-            description=mldonkey.description, clients=mldonkey.clients,
+                        clients=mldonkey.clients,
-            manual_page=mldonkey.manual_page, show_status_block=True),
+                        manual_page=mldonkey.manual_page,
-        name='index'),
+                        show_status_block=True), name='index'),
 ]

plinth/modules/monkeysphere/urls.py

@@ -14,7 +14,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-
 """
 URLs for the monkeysphere module.
 """
@@ -23,7 +22,6 @@ from django.conf.urls import url
 
 from . import views
 
-
 urlpatterns = [
     url(r'^sys/monkeysphere/$', views.index, name='index'),
     url(r'^sys/monkeysphere/(?P<ssh_fingerprint>[0-9A-Za-z:+/]+)/import/$',

plinth/modules/mumble/manifest.py

@@ -72,8 +72,4 @@ clients = validate([{
     }]
 }])
 
-backup = validate_backup({
+backup = validate_backup({'data': {'directories': ['/var/lib/mumble-server']}})
-    'data': {
-        'directories': ['/var/lib/mumble-server']
-    }
-})

plinth/modules/names/urls.py

@@ -14,7 +14,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-
 """
 URLs for the name services module
 """
@@ -23,7 +22,6 @@ from django.conf.urls import url
 
 from . import views
 
-
 urlpatterns = [
     url(r'^sys/names/$', views.index, name='index'),
 ]

plinth/modules/networks/__init__.py

@@ -84,10 +84,10 @@ def diagnose():
     addresses = _get_interface_addresses(interfaces)
 
     for address in addresses:
-        results.append(
+        results.append(action_utils.diagnose_port_listening(
-            action_utils.diagnose_port_listening(53, 'tcp', address))
+            53, 'tcp', address))
-        results.append(
+        results.append(action_utils.diagnose_port_listening(
-            action_utils.diagnose_port_listening(53, 'udp', address))
+            53, 'udp', address))
 
     results.append(_diagnose_dnssec('4'))
     results.append(_diagnose_dnssec('6'))

plinth/modules/networks/forms.py

@@ -34,17 +34,15 @@ class ConnectionTypeSelectForm(forms.Form):
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
-        self.fields['connection_type'].widget.attrs.update({
+        self.fields['connection_type'].widget.attrs.update(
-            'autofocus': 'autofocus'
+            {'autofocus': 'autofocus'})
-        })
 
 
 class ConnectionForm(forms.Form):
     """Base form to create/edit a connection."""
     name = forms.CharField(label=_('Connection Name'))
     interface = forms.ChoiceField(
-        label=_('Physical Interface'),
+        label=_('Physical Interface'), choices=(),
-        choices=(),
         help_text=_('The network device that this connection should be bound '
                     'to.'))
     zone = forms.ChoiceField(
@@ -52,90 +50,70 @@ class ConnectionForm(forms.Form):
         help_text=_('The firewall zone will control which services are '
                     'available over this interfaces. Select Internal only '
                     'for trusted networks.'),
-        choices=[('external', _('External')),
+        choices=[('external', _('External')), ('internal', _('Internal'))])
-                 ('internal', _('Internal'))])
     ipv4_method = forms.ChoiceField(
-        label=_('IPv4 Addressing Method'),
+        label=_('IPv4 Addressing Method'), help_text=format_lazy(
-        help_text=format_lazy(
             ugettext_lazy(
                 '"Automatic" method will make {box_name} acquire '
                 'configuration from this network making it a client. "Shared" '
                 'method will make {box_name} act as a router, configure '
                 'clients on this network and share its Internet connection.'),
             box_name=ugettext_lazy(cfg.box_name)),
-        choices=[('auto', _('Automatic (DHCP)')),
+        choices=[('auto', _('Automatic (DHCP)')), ('shared', _('Shared')),
-                 ('shared', _('Shared')),
+                 ('manual', _('Manual')), ('disabled', _('Disabled'))])
-                 ('manual', _('Manual')),
-                 ('disabled', _('Disabled'))])
     ipv4_address = forms.CharField(
-        label=_('Address'),
+        label=_('Address'), validators=[validators.validate_ipv4_address],
-        validators=[validators.validate_ipv4_address],
         required=False)
     ipv4_netmask = forms.CharField(
         label=_('Netmask'),
         help_text=_('Optional value. If left blank, a default netmask '
                     'based on the address will be used.'),
-        validators=[validators.validate_ipv4_address],
+        validators=[validators.validate_ipv4_address], required=False)
-        required=False)
     ipv4_gateway = forms.CharField(
-        label=_('Gateway'),
+        label=_('Gateway'), help_text=_('Optional value.'),
-        help_text=_('Optional value.'),
+        validators=[validators.validate_ipv4_address], required=False)
-        validators=[validators.validate_ipv4_address],
-        required=False)
     ipv4_dns = forms.CharField(
         label=_('DNS Server'),
         help_text=_('Optional value. If this value is given and IPv4 '
                     'addressing method is "Automatic", the DNS Servers '
                     'provided by a DHCP server will be ignored.'),
-        validators=[validators.validate_ipv4_address],
+        validators=[validators.validate_ipv4_address], required=False)
-        required=False)
     ipv4_second_dns = forms.CharField(
         label=_('Second DNS Server'),
         help_text=_('Optional value. If this value is given and IPv4 '
                     'Addressing Method is "Automatic", the DNS Servers '
                     'provided by a DHCP server will be ignored.'),
-        validators=[validators.validate_ipv4_address],
+        validators=[validators.validate_ipv4_address], required=False)
-        required=False)
     ipv6_method = forms.ChoiceField(
-        label=_('IPv6 Addressing Method'),
+        label=_('IPv6 Addressing Method'), help_text=format_lazy(
-        help_text=format_lazy(
             ugettext_lazy(
                 '"Automatic" methods will make {box_name} acquire '
                 'configuration from this network making it a client.'),
             box_name=ugettext_lazy(cfg.box_name)),
-        choices=[('auto', _('Automatic')),
+        choices=[('auto', _('Automatic')), ('dhcp', _('Automatic, DHCP only')),
-                 ('dhcp', _('Automatic, DHCP only')),
+                 ('manual', _('Manual')), ('ignore', _('Ignore'))])
-                 ('manual', _('Manual')),
-                 ('ignore', _('Ignore'))])
     ipv6_address = forms.CharField(
-        label=_('Address'),
+        label=_('Address'), validators=[validators.validate_ipv6_address],
-        validators=[validators.validate_ipv6_address],
-        required=False)
-    ipv6_prefix = forms.IntegerField(
-        label=_('Prefix'),
-        help_text=_('Value between 1 and 128.'),
-        min_value=1,
-        max_value=128,
         required=False)
+    ipv6_prefix = forms.IntegerField(label=_('Prefix'),
+                                     help_text=_('Value between 1 and 128.'),
+                                     min_value=1, max_value=128,
+                                     required=False)
     ipv6_gateway = forms.CharField(
-        label=_('Gateway'),
+        label=_('Gateway'), help_text=_('Optional value.'),
-        help_text=_('Optional value.'),
+        validators=[validators.validate_ipv6_address], required=False)
-        validators=[validators.validate_ipv6_address],
-        required=False)
     ipv6_dns = forms.CharField(
         label=_('DNS Server'),
         help_text=_('Optional value. If this value is given and IPv6 '
                     'addressing method is "Automatic", the DNS Servers '
                     'provided by a DHCP server will be ignored.'),
-        validators=[validators.validate_ipv6_address],
+        validators=[validators.validate_ipv6_address], required=False)
-        required=False)
     ipv6_second_dns = forms.CharField(
         label=_('Second DNS Server'),
         help_text=_('Optional value. If this value is given and IPv6 '
                     'Addressing Method is "Automatic", the DNS Servers '
                     'provided by a DHCP server will be ignored.'),
-        validators=[validators.validate_ipv6_address],
+        validators=[validators.validate_ipv6_address], required=False)
-        required=False)
 
     @staticmethod
     def _get_interface_choices(device_type):
@@ -143,8 +121,8 @@ class ConnectionForm(forms.Form):
         interfaces = network.get_interface_list(device_type)
         choices = [('', _('-- select --'))]
         for interface, mac in interfaces.items():
-            display_string = '{interface} ({mac})'.format(interface=interface,
+            display_string = '{interface} ({mac})'.format(
-                                                          mac=mac)
+                interface=interface, mac=mac)
             choices.append((interface, display_string))
 
         return choices
@@ -258,33 +236,29 @@ class PPPoEForm(EthernetForm):
 
 class WifiForm(ConnectionForm):
     """Form to create/edit a Wi-Fi connection."""
-    field_order = ['name', 'interface', 'zone', 'ssid', 'mode', 'band',
+    field_order = [
-                   'channel', 'bssid', 'auth_mode', 'passphrase',
+        'name', 'interface', 'zone', 'ssid', 'mode', 'band', 'channel',
-                   'ipv4_method', 'ipv4_address', 'ipv4_netmask',
+        'bssid', 'auth_mode', 'passphrase', 'ipv4_method', 'ipv4_address',
-                   'ipv4_gateway', 'ipv4_dns', 'ipv4_second_dns',
+        'ipv4_netmask', 'ipv4_gateway', 'ipv4_dns', 'ipv4_second_dns',
-                   'ipv6_method', 'ipv6_address', 'ipv6_prefix',
+        'ipv6_method', 'ipv6_address', 'ipv6_prefix', 'ipv6_gateway',
-                   'ipv6_gateway', 'ipv6_dns', 'ipv6_second_dns']
+        'ipv6_dns', 'ipv6_second_dns'
+    ]
 
-    ssid = forms.CharField(
+    ssid = forms.CharField(label=_('SSID'),
-        label=_('SSID'),
+                           help_text=_('The visible name of the network.'))
-        help_text=_('The visible name of the network.'))
     mode = forms.ChoiceField(
-        label=_('Mode'),
+        label=_('Mode'), choices=[('infrastructure', _('Infrastructure')),
-        choices=[('infrastructure', _('Infrastructure')),
+                                  ('ap', _('Access Point')),
-                 ('ap', _('Access Point')),
+                                  ('adhoc', _('Ad-hoc'))])
-                 ('adhoc', _('Ad-hoc'))])
     band = forms.ChoiceField(
-        label=_('Frequency Band'),
+        label=_('Frequency Band'), choices=[('auto', _('Automatic')),
-        choices=[('auto', _('Automatic')),
+                                            ('a', _('A (5 GHz)')),
-                 ('a', _('A (5 GHz)')),
+                                            ('bg', _('B/G (2.4 GHz)'))])
-                 ('bg', _('B/G (2.4 GHz)'))])
     channel = forms.IntegerField(
         label=_('Channel'),
         help_text=_('Optional value. Wireless channel in the selected '
                     'frequency band to restrict to. Blank or 0 value means '
-                    'automatic selection.'),
+                    'automatic selection.'), min_value=0, max_value=255,
-        min_value=0,
-        max_value=255,
         required=False)
     bssid = forms.RegexField(
         label=_('BSSID'),
@@ -292,18 +266,15 @@ class WifiForm(ConnectionForm):
                     'When connecting to an access point, connect only if the '
                     'BSSID of the access point matches the one provided. '
                     'Example: 00:11:22:aa:bb:cc.'),
-        regex=r'^([0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2}$',
+        regex=r'^([0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2}$', required=False)
-        required=False)
     auth_mode = forms.ChoiceField(
         label=_('Authentication Mode'),
         help_text=_('Select WPA if the wireless network is secured and \
 requires clients to have the password to connect.'),
-        choices=[('wpa', _('WPA')),
+        choices=[('wpa', _('WPA')), ('open', _('Open'))])
-                 ('open', _('Open'))])
+    passphrase = forms.CharField(label=_('Passphrase'),
-    passphrase = forms.CharField(
+                                 validators=[validators.MinLengthValidator(8)],
-        label=_('Passphrase'),
+                                 required=False)
-        validators=[validators.MinLengthValidator(8)],
-        required=False)
 
     def __init__(self, *args, **kwargs):
         """Initialize the form, populate interface choices."""

plinth/modules/networks/urls.py

@@ -14,7 +14,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-
 """
 URLs for the Network module
 """
@@ -23,7 +22,6 @@ from django.conf.urls import url
 
 from . import networks as views
 
-
 urlpatterns = [
     url(r'^sys/networks/$', views.index, name='index'),
     url(r'^sys/networks/(?P<uuid>[\w.@+-]+)/show/$', views.show, name='show'),
@@ -38,9 +36,9 @@ urlpatterns = [
     url(r'^sys/networks/add/ethernet/$', views.add_ethernet,
         name='add_ethernet'),
     url(r'^sys/networks/add/pppoe/$', views.add_pppoe, name='add_pppoe'),
-    url(r'^sys/networks/add/wifi/(?:(?P<ssid>[^/]+)/'
+    url(
-        r'(?P<interface_name>[^/]+)/)?$',
+        r'^sys/networks/add/wifi/(?:(?P<ssid>[^/]+)/'
-        views.add_wifi, name='add_wifi'),
+        r'(?P<interface_name>[^/]+)/)?$', views.add_wifi, name='add_wifi'),
     url(r'^sys/networks/(?P<uuid>[\w.@+-]+)/delete/$', views.delete,
         name='delete'),
 ]

plinth/modules/openvpn/forms.py

@@ -24,6 +24,5 @@ from django.utils.translation import ugettext_lazy as _
 
 class OpenVpnForm(forms.Form):  # pylint: disable=W0232
     """OpenVPN configuration form."""
-    enabled = forms.BooleanField(
+    enabled = forms.BooleanField(label=_('Enable OpenVPN server'),
-        label=_('Enable OpenVPN server'),
+                                 required=False)
-        required=False)

plinth/modules/openvpn/urls.py

@@ -14,7 +14,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-
 """
 URLs for the OpenVPN module.
 """
@@ -24,7 +23,6 @@ from django.conf.urls import url
 from plinth.utils import non_admin_view
 from . import views
 
-
 urlpatterns = [
     url(r'^apps/openvpn/$', views.index, name='index'),
     url(r'^apps/openvpn/setup/$', views.setup, name='setup'),

plinth/modules/pagekite/tests/test_pagekite.py

@@ -14,36 +14,42 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-
 """
 Test modules for Pagekite functions.
 """
 
 from plinth.modules.pagekite import utils
 
-
 _tests = [
     {
         'line': 'https/8080:*.@kitename:localhost:8080:@kitesecret',
-        'params': {'kitename': '*.@kitename', 'backend_host': 'localhost',
+        'params': {
-                   'secret': '@kitesecret', 'protocol': 'https/8080',
+            'kitename': '*.@kitename',
-                   'backend_port': '8080'}
+            'backend_host': 'localhost',
+            'secret': '@kitesecret',
+            'protocol': 'https/8080',
+            'backend_port': '8080'
+        }
     },
     {
         'line': 'https:*.@kitename:localhost:80:@kitesecret',
-        'params': {'protocol': 'https',
+        'params': {
-                   'kitename': '*.@kitename',
+            'protocol': 'https',
-                   'backend_port': '80',
+            'kitename': '*.@kitename',
-                   'backend_host': 'localhost',
+            'backend_port': '80',
-                   'secret': '@kitesecret'}
+            'backend_host': 'localhost',
+            'secret': '@kitesecret'
+        }
     },
     {
         'line': 'raw/22:@kitename:localhost:22:@kitesecret',
-        'params': {'protocol': 'raw/22',
+        'params': {
-                   'kitename': '@kitename',
+            'protocol': 'raw/22',
-                   'backend_port': '22',
+            'kitename': '@kitename',
-                   'backend_host': 'localhost',
+            'backend_port': '22',
-                   'secret': '@kitesecret'}
+            'backend_host': 'localhost',
+            'secret': '@kitesecret'
+        }
     },
 ]
 

plinth/modules/power/urls.py

@@ -14,7 +14,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-
 """
 URLs for the power module.
 """
@@ -23,7 +22,6 @@ from django.conf.urls import url
 
 from . import views
 
-
 urlpatterns = [
     url(r'^sys/power/$', views.index, name='index'),
     url(r'^sys/power/restart$', views.restart, name='restart'),

plinth/modules/radicale/__init__.py

@@ -110,7 +110,6 @@ class RadicaleApp(app_module.App):
 
 class RadicaleWebserver(Webserver):
     """Webserver enable/disable behavior specific for radicale."""
-
     @property
     def web_name(self):
         """Return web configuration name based on radicale version."""
@@ -127,7 +126,6 @@ class RadicaleWebserver(Webserver):
 
 class RadicaleUwsgi(Uwsgi):
     """uWSGI enable/disable behavior specific for radicale."""
-
     def is_enabled(self):
         """Return whether the uWSGI configuration is enabled if version>=2."""
         package_version = get_package_version()
@@ -152,7 +150,6 @@ class RadicaleUwsgi(Uwsgi):
 
 class RadicaleDaemon(Daemon):
     """Daemon enable/disable behavior specific for radicale."""
-
     @staticmethod
     def _is_old_radicale():
         """Return whether radicale is less than version 2."""
@@ -251,8 +248,8 @@ def disable():
 
 def load_augeas():
     """Prepares the augeas."""
-    aug = augeas.Augeas(
+    aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-        flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                        augeas.Augeas.NO_MODL_AUTOLOAD)
 
     # INI file lens
     aug.set('/augeas/load/Puppet/lens', 'Puppet.lns')

plinth/modules/radicale/manifest.py

@@ -87,8 +87,7 @@ clients = validate([{
         'name': 'evolution'
     }]
 }, {
-    'name':
+    'name': _('Radicale'),
-        _('Radicale'),
     'platforms': [{
         'type': 'web',
         'url': '/radicale/'

plinth/modules/roundcube/__init__.py

@@ -80,8 +80,7 @@ class RoundcubeApp(app_module.App):
 
         shortcut = frontpage.Shortcut('shortcut-roundcube', name,
                                       short_description=short_description,
-                                      icon=icon_filename,
+                                      icon=icon_filename, url='/roundcube/',
-                                      url='/roundcube/',
                                       clients=clients, login_required=True)
         self.add(shortcut)
 

plinth/modules/searx/__init__.py

@@ -29,7 +29,7 @@ from plinth.modules.apache.components import Uwsgi, Webserver
 from plinth.modules.firewall.components import Firewall
 from plinth.modules.users import register_group
 
-from .manifest import PUBLIC_ACCESS_SETTING_FILE, backup, clients # noqa, pylint: disable=unused-import
+from .manifest import PUBLIC_ACCESS_SETTING_FILE, backup, clients  # noqa, pylint: disable=unused-import
 
 clients = clients
 
@@ -99,7 +99,6 @@ class SearxApp(app_module.App):
 
 class SearxWebserverAuth(Webserver):
     """Component to handle Searx authentication webserver configuration."""
-
     def is_enabled(self):
         """Return if configuration is enabled or public access is enabled."""
         return is_public_access_enabled() or super().is_enabled()

plinth/modules/security/forms.py

@@ -14,7 +14,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-
 """
 Forms for security module
 """

plinth/modules/security/manifest.py

@@ -20,8 +20,7 @@ Application manifest for security.
 
 from plinth.modules.backups.api import validate as validate_backup
 
-backup = validate_backup({
+backup = validate_backup(
-    'config': {
+    {'config': {
         'files': ['/etc/security/access.d/50freedombox.conf']
-    }
+    }})
-})

plinth/modules/security/urls.py

@@ -14,7 +14,6 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-
 """
 URLs for the security module
 """
@@ -23,7 +22,6 @@ from django.conf.urls import url
 
 from . import views
 
-
 urlpatterns = [
     url(r'^sys/security/$', views.index, name='index'),
     url(r'^sys/security/report$', views.report, name='report'),

plinth/modules/security/views.py

@@ -43,15 +43,11 @@ def index(request):
     else:
         form = SecurityForm(initial=status, prefix='security')
 
-    return TemplateResponse(
+    return TemplateResponse(request, 'security.html', {
-        request, 'security.html', {
+        'name': _('Security'),
-            'name':
+        'manual_page': security.manual_page,
-                _('Security'),
+        'form': form,
-            'manual_page':
+    })
-                security.manual_page,
-            'form':
-                form,
-        })
 
 
 def get_status(request):

plinth/modules/shadowsocks/forms.py

@@ -39,7 +39,6 @@ METHODS = [('chacha20-ietf-poly1305',
 
 class TrimmedCharField(forms.CharField):
     """Trim the contents of a CharField"""
-
     def clean(self, value):
         """Clean and validate the field value"""
         if value:
@@ -50,12 +49,12 @@ class TrimmedCharField(forms.CharField):
 
 class ShadowsocksForm(AppForm):
     """Shadowsocks configuration form"""
-    server = TrimmedCharField(
+    server = TrimmedCharField(label=_('Server'),
-        label=_('Server'), help_text=_('Server hostname or IP address'))
+                              help_text=_('Server hostname or IP address'))
 
-    server_port = forms.IntegerField(
+    server_port = forms.IntegerField(label=_('Server port'), min_value=0,
-        label=_('Server port'), min_value=0, max_value=65535,
+                                     max_value=65535,
-        help_text=_('Server port number'))
+                                     help_text=_('Server port number'))
 
     password = forms.CharField(
         label=_('Password'), help_text=_('Password used to encrypt data. '

plinth/modules/snapshot/__init__.py

@@ -100,8 +100,8 @@ def setup(helper, old_version=None):
 
 def load_augeas():
     """Initialize Augeas."""
-    aug = augeas.Augeas(
+    aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
-        flags=augeas.Augeas.NO_LOAD + augeas.Augeas.NO_MODL_AUTOLOAD)
+                        augeas.Augeas.NO_MODL_AUTOLOAD)
 
     # shell-script config file lens
     aug.set('/augeas/load/Shellvars/lens', 'Shellvars.lns')

plinth/modules/snapshot/forms.py

@@ -38,9 +38,10 @@ class SnapshotForm(forms.Form):
         choices=[('yes', 'Enabled'), ('no', 'Disabled')])
 
     enable_software_snapshots = forms.ChoiceField(
-        label=_('Software Installation Snapshots'), help_text=_(
+        label=_('Software Installation Snapshots'),
-            'Enable or disable snapshots before and after software '
+        help_text=_('Enable or disable snapshots before and after software '
-            'installation'), choices=[('yes', 'Enabled'), ('no', 'Disabled')])
+                    'installation'), choices=[('yes', 'Enabled'),
+                                              ('no', 'Disabled')])
 
     hourly_limit = forms.IntegerField(
         label=_('Hourly Snapshots Limit'), min_value=0,