Docstring refactoring: use quotes instead of apostrophe (oamg#616)

In case of docstring, quotes should be used always, officialy.
Replace apostrophes by quotes in case of docstrings.

repos/system_upgrade/el7toel8/actors/detectgrubconfigerror/libraries/scanner.py

@@ -2,11 +2,11 @@
 
 
 def detect_config_error(conf_file):
-    '''
+    """
     Check grub configuration for syntax error in GRUB_CMDLINE_LINUX value.
 
     :return: Function returns True if error was detected, otherwise False.
-    '''
+    """
     with open(conf_file, 'r') as f:
         config = f.read()
 

repos/system_upgrade/el7toel8/actors/multipathconfcheck/actor.py

@@ -6,13 +6,13 @@
 
 
 class MultipathConfCheck(Actor):
-    '''
+    """
     Checks whether the multipath configuration can be updated to RHEL-8.
     Specifically, it checks if the path_checker/checker option is set to
     something other than tur in the defaults section. If so, non-trivial
     changes may be required in the multipath.conf file, and it is not
     possible to auto-update it.
-    '''
+    """
 
     name = 'multipath_conf_check'
     consumes = (MultipathConfFacts,)

repos/system_upgrade/el7toel8/actors/multipathconfread/actor.py

@@ -5,10 +5,10 @@
 
 
 class MultipathConfRead(Actor):
-    '''
+    """
     Reads multipath configuration files (multipath.conf, and any files in
     the multipath config directory) and extracts the necessary information
-    '''
+    """
 
     name = 'multipath_conf_read'
     consumes = (InstalledRedHatSignedRPM,)

repos/system_upgrade/el7toel8/actors/multipathconfupdate/actor.py

@@ -5,15 +5,15 @@
 
 
 class MultipathConfUpdate(Actor):
-    '''
+    """
     Modifies multipath configuration files on the target RHEL-8 system so that
     they will run properly. This is done in three ways
     1. commenting out lines for options that no longer exist, or whose value
        is no longer current in RHEL-8
     2. Migrating any options in an devices section with all_devs to an
        overrides setions
     3. Rename options that have changed names
-    '''
+    """
 
     name = 'multipath_conf_update'
     consumes = (MultipathConfFacts,)

repos/system_upgrade/el7toel8/actors/pcidevicesscanner/libraries/pcidevicesscanner.py

@@ -3,7 +3,7 @@
 
 
 def parse_pci_device(block):
-    ''' Parse one block from lspci output describing one PCI device '''
+    """ Parse one block from lspci output describing one PCI device """
     device = {
         'Slot': '',
         'Class': '',
@@ -50,17 +50,17 @@ def parse_pci_device(block):
 
 
 def parse_pci_devices(output):
-    ''' Parse lspci output and return a list of PCI devices '''
+    """ Parse lspci output and return a list of PCI devices """
     return [parse_pci_device(block) for block in output.split('\n\n')[:-1]]
 
 
 def produce_pci_devices(producer, devices):
-    ''' Produce a Leapp message with all PCI devices '''
+    """ Produce a Leapp message with all PCI devices """
     producer(PCIDevices(devices=devices))
 
 
 def scan_pci_devices(producer):
-    ''' Scan system PCI Devices '''
+    """ Scan system PCI Devices """
     output = run(['lspci', '-vmmk'], checked=False)['stdout']
     devices = parse_pci_devices(output)
     produce_pci_devices(producer, devices)

repos/system_upgrade/el7toel8/actors/selinux/selinuxapplycustom/actor.py

@@ -11,13 +11,13 @@
 
 
 class SELinuxApplyCustom(Actor):
-    '''
+    """
     Re-apply SELinux customizations from RHEL-7 installation
 
     Re-apply SELinux policy customizations (custom policy modules and changes
     introduced by semanage). Any changes (due to incompatiblity with RHEL-8
     SELinux policy) are reported to user.
-    '''
+    """
     name = 'selinuxapplycustom'
     consumes = (SELinuxCustom, SELinuxModules)
     produces = ()

repos/system_upgrade/el7toel8/actors/selinux/selinuxcontentscanner/actor.py

@@ -5,14 +5,14 @@
 
 
 class SELinuxContentScanner(Actor):
-    '''
+    """
     Scan the system for any SELinux customizations
 
     Find SELinux policy customizations (custom policy modules and changes
     introduced by semanage) and save them in SELinuxModules and SELinuxCustom
     models. Customizations that are incompatible with SELinux policy on RHEL-8
     are removed.
-    '''
+    """
 
     name = 'selinuxcontentscanner'
     consumes = (SELinuxFacts,)

repos/system_upgrade/el7toel8/actors/selinux/selinuxcontentscanner/libraries/selinuxcontentscanner.py

@@ -31,14 +31,14 @@
 
 
 def check_module(name):
-    '''
+    """
     Check if given module contains one of removed types and comment out corresponding lines.
 
     The function expects a text file "$name" containing cil policy
     to be present in the current directory.
 
     Returns a list of invalid lines.
-    '''
+    """
     try:
         removed = run(['grep', '-w', '-E', "|".join(REMOVED_TYPES_), name], split=True)
         # Add ";" at the beginning of invalid lines (comment them out)
@@ -49,11 +49,11 @@ def check_module(name):
 
 
 def list_selinux_modules():
-    '''
+    """
     Produce list of SELinux policy modules
 
     Returns list of tuples (name,priority)
-    '''
+    """
     try:
         semodule = run(['semodule', '-lfull'], split=True)
     except CalledProcessError:
@@ -75,7 +75,7 @@ def list_selinux_modules():
 
 
 def get_selinux_modules():
-    '''
+    """
     Read all custom SELinux policy modules from the system
 
     Returns 3-tuple (modules, retain_rpms, install_rpms)
@@ -84,7 +84,7 @@ def get_selinux_modules():
     during the upgrade and "install_rpms" is a list of RPMs
     that should be installed during the upgrade
 
-    '''
+    """
 
     modules = list_selinux_modules()
     semodule_list = []
@@ -172,15 +172,15 @@ def get_selinux_modules():
 
 
 def get_selinux_customizations():
-    '''
+    """
     Extract local SELinux customizations introduced by semanage command
 
     Returns tuple (semanage_valid, semanage_removed)
     where "semanage_valid" is a list of semanage commands
     which should be safe to re-apply on RHEL 8 system
     and "semanage_removed" is a list of commands that
     will no longer be valid after system upgrade
-    '''
+    """
 
     semanage_removed = []
     semanage_valid = []

repos/system_upgrade/el7toel8/actors/selinux/selinuxprepare/actor.py

@@ -5,13 +5,13 @@
 
 
 class SELinuxPrepare(Actor):
-    '''
+    """
     Remove selinux policy customizations before updating selinux-policy* packages
 
     RHEL-7 policy customizations could cause policy package upgrade to fail and therefore
     need to be removed. Customizations introduced by semanage are removed first,
     followed by custom policy modules gathered by SELinuxContentScanner.
-    '''
+    """
 
     name = 'selinuxprepare'
     consumes = (SELinuxCustom, SELinuxModules)

repos/system_upgrade/el7toel8/actors/sssdcheck/actor.py

@@ -14,15 +14,15 @@
 
 
 class SSSDCheck(Actor):
-    '''
+    """
     Check SSSD configuration for changes in RHEL8 and report them.
 
     These changes are:
     - id_provider=local is no longer supported and will be ignored
     - ldap_groups_use_matching_rule_in_chain was removed and will be ignored
     - ldap_initgroups_use_matching_rule_in_chain was removed and will be ignored
     - ldap_sudo_include_regexp changed default from true to false
-    '''
+    """
 
     name = 'sssd_check'
     consumes = (SSSDConfig,)

repos/system_upgrade/el7toel8/actors/sssdfacts/actor.py

@@ -7,15 +7,15 @@
 
 
 class SSSDFacts(Actor):
-    '''
+    """
     Check SSSD configuration for changes in RHEL8 and report them in model.
 
     These changes are:
     - id_provider=local is no longer supported and will be ignored
     - ldap_groups_use_matching_rule_in_chain was removed and will be ignored
     - ldap_initgroups_use_matching_rule_in_chain was removed and will be ignored
     - ldap_sudo_include_regexp changed default from true to false
-    '''
+    """
 
     name = 'sssd_facts'
     consumes = ()

repos/system_upgrade/el7toel8/actors/systemfacts/libraries/systemfacts.py

@@ -16,23 +16,23 @@
 
 
 def aslist(f):
-    ''' Decorator used to convert generator to list '''
+    """ Decorator used to convert generator to list """
     @functools.wraps(f)
     def inner(*args, **kwargs):
         return list(f(*args, **kwargs))
     return inner
 
 
 def anyendswith(value, ends):
-    ''' Check if `value` ends with one of the possible `ends` '''
+    """ Check if `value` ends with one of the possible `ends` """
     for end in ends:
         if value.endswith(end):
             return True
     return False
 
 
 def anyhasprefix(value, prefixes):
-    ''' Check if `value` starts with on of the possible `prefixes` '''
+    """ Check if `value` starts with on of the possible `prefixes` """
     for p in prefixes:
         if value.startswith(p):
             return True
@@ -51,7 +51,7 @@ def _get_system_users():
 
 
 def get_system_users_status():
-    ''' Get a list of users from `/etc/passwd` '''
+    """ Get a list of users from `/etc/passwd` """
     return UsersFacts(users=_get_system_users())
 
 
@@ -66,7 +66,7 @@ def _get_system_groups():
 
 
 def get_system_groups_status():
-    ''' Get a list of groups from `/etc/groups` '''
+    """ Get a list of groups from `/etc/groups` """
     return GroupsFacts(groups=_get_system_groups())
 
 
@@ -127,7 +127,7 @@ def _get_active_kernel_modules(logger):
 
 
 def get_active_kernel_modules_status(logger):
-    ''' Get a list of active kernel modules '''
+    """ Get a list of active kernel modules """
     return ActiveKernelModulesFacts(kernel_modules=_get_active_kernel_modules(logger))
 
 
@@ -157,7 +157,7 @@ def _get_sysctls():
 
 
 def get_sysctls_status():
-    r''' Get a list of stable `sysctls` variables
+    r""" Get a list of stable `sysctls` variables
 
         Note that some variables are inherently unstable and we need to blacklist
         them:
@@ -166,17 +166,17 @@ def get_sysctls_status():
                 | grep -E '^\+[a-z]'\
                 | cut -d' ' -f1\
                 | cut -d+ -f2
-    '''
+    """
     return SysctlVariablesFacts(sysctl_variables=_get_sysctls())
 
 
 def get_repositories_status():
-    ''' Get a basic information about YUM repositories installed in the system '''
+    """ Get a basic information about YUM repositories installed in the system """
     return RepositoriesFacts(repositories=repofileutils.get_parsed_repofiles())
 
 
 def get_selinux_status():
-    ''' Get SELinux status information '''
+    """ Get SELinux status information """
     # will be None if something went wrong or contain SELinuxFacts otherwise
     res = None
     try:
@@ -209,7 +209,7 @@ def get_selinux_status():
 
 
 def get_firewalls_status():
-    ''' Get firewalld status information '''
+    """ Get firewalld status information """
     logger = logging.getLogger('get_firewalld_status')
 
     def _get_firewall_status(service_name):

repos/system_upgrade/el7toel8/actors/tcpwrappersconfigread/actor.py

@@ -5,9 +5,9 @@
 
 
 class TcpWrappersConfigRead(Actor):
-    '''
+    """
     Parse tcp_wrappers configuration files /etc/hosts.{allow,deny}.
-    '''
+    """
 
     name = 'tcp_wrappers_config_read'
     consumes = ()

repos/system_upgrade/el7toel8/actors/updateetcsysconfigkernel/libraries/updateetcsysconfigkernel.py

@@ -2,7 +2,7 @@
 
 
 def update_kernel_config(path):
-    ''' Update DEFAULTKERNEL entry at provided config file '''
+    """ Update DEFAULTKERNEL entry at provided config file """
     run(['/bin/sed',
          '-i',
          's/^DEFAULTKERNEL=kernel$/DEFAULTKERNEL=kernel-core/g',

repos/system_upgrade/el7toel8/actors/vsftpdconfigread/actor.py

@@ -5,9 +5,9 @@
 
 
 class VsftpdConfigRead(Actor):
-    '''
+    """
     Reads vsftpd configuration files (/etc/vsftpd/*.conf) and extracts necessary information.
-    '''
+    """
 
     name = 'vsftpd_config_read'
     consumes = (InstalledRedHatSignedRPM,)

repos/system_upgrade/el7toel8/files/rhel_upgrade.py

@@ -33,9 +33,9 @@ def set_argparser(parser):
         parser.add_argument('filename')
 
     def _process_packages(self, pkg_set, op):
-        '''
+        """
         Adds list of packages for given operation to the transaction
-        '''
+        """
         pkgs_notfound = []
 
         for pkg_spec in pkg_set:

repos/system_upgrade/el7toel8/libraries/tcpwrappersutils.py

@@ -65,7 +65,7 @@ def _daemon_list_matches_daemon(daemon_list, daemon, recursion_depth):
 
 
 def config_applies_to_daemon(facts, daemon):
-    '''
+    """
     Returns True if the specified tcp_wrappers configuration applies to the specified daemon.
     Otherwise returns False.
 
@@ -75,7 +75,7 @@ def config_applies_to_daemon(facts, daemon):
 
     :param facts: A TcpWrappersFacts representation of the tcp_wrappers configuration
     :param daemon: The daemon name
-    '''
+    """
     for daemon_list in facts.daemon_lists:
         value = [item.lower() for item in daemon_list.value]
         if _daemon_list_matches_daemon(value, daemon, 0):