Fix anomalous backslashes and enable pylint test.

lib/ansible/modules/network/cumulus/_cl_bond.py

@@ -13,7 +13,7 @@ ANSIBLE_METADATA = {'metadata_version': '1.1',
                     'supported_by': 'community'}
 
 
-DOCUMENTATION = '''
+DOCUMENTATION = r'''
 ---
 module: cl_bond
 version_added: "2.1"

lib/ansible/modules/network/cumulus/_cl_bridge.py

@@ -13,7 +13,7 @@ ANSIBLE_METADATA = {'metadata_version': '1.1',
                     'supported_by': 'community'}
 
 
-DOCUMENTATION = '''
+DOCUMENTATION = r'''
 ---
 module: cl_bridge
 version_added: "2.1"

lib/ansible/modules/network/cumulus/_cl_img_install.py

@@ -181,7 +181,7 @@ def check_fw_print_env(module, slot_num):
         cmd = "/usr/bin/grub-editenv list"
         grub_output = run_cl_cmd(module, cmd)
         for _line in grub_output:
-            _regex_str = re.compile('cl.ver' + slot_num + '=([\w.]+)-')
+            _regex_str = re.compile('cl.ver' + slot_num + r'=([\w.]+)-')
             m0 = re.match(_regex_str, _line)
             if m0:
                 return m0.group(1)
@@ -197,7 +197,7 @@ def get_primary_slot_num(module):
         cmd = "/usr/bin/grub-editenv list"
         grub_output = run_cl_cmd(module, cmd)
         for _line in grub_output:
-            _regex_str = re.compile('cl.active=(\d)')
+            _regex_str = re.compile(r'cl.active=(\d)')
             m0 = re.match(_regex_str, _line)
             if m0:
                 return m0.group(1)
@@ -210,7 +210,7 @@ def get_active_slot(module):
         module.fail_json(msg='Failed to open /proc/cmdline. ' +
                          'Unable to determine active slot')
 
-    _match = re.search('active=(\d+)', cmdline)
+    _match = re.search(r'active=(\d+)', cmdline)
     if _match:
         return _match.group(1)
     return None
@@ -247,9 +247,9 @@ def determine_sw_version(module):
         return
     else:
         _filename = module.params.get('src').split('/')[-1]
-        _match = re.search('\d+\W\d+\W\w+', _filename)
+        _match = re.search(r'\d+\W\d+\W\w+', _filename)
         if _match:
-            module.sw_version = re.sub('\W', '.', _match.group())
+            module.sw_version = re.sub(r'\W', '.', _match.group())
             return
     _msg = 'Unable to determine version from file %s' % (_filename)
     module.exit_json(changed=False, msg=_msg)

lib/ansible/modules/network/cumulus/_cl_interface.py

@@ -13,7 +13,7 @@ ANSIBLE_METADATA = {'metadata_version': '1.1',
                     'supported_by': 'community'}
 
 
-DOCUMENTATION = '''
+DOCUMENTATION = r'''
 ---
 module: cl_interface
 version_added: "2.1"

lib/ansible/modules/network/dellos6/dellos6_facts.py

@@ -185,7 +185,7 @@ class Hardware(FactsBase):
     def populate(self):
         super(Hardware, self).populate()
         data = self.responses[0]
-        match = re.findall('\s(\d+)\s', data)
+        match = re.findall(r'\s(\d+)\s', data)
         if match:
             self.facts['memtotal_mb'] = int(match[0]) // 1024
             self.facts['memfree_mb'] = int(match[1]) // 1024
@@ -231,12 +231,12 @@ class Interfaces(FactsBase):
         for en in vlan_info_next.splitlines():
             if en == '':
                 continue
-            match = re.search('^(\S+)\s+(\S+)\s+(\S+)', en)
+            match = re.search(r'^(\S+)\s+(\S+)\s+(\S+)', en)
             intf = match.group(1)
             if intf not in facts:
                 facts[intf] = list()
             fact = dict()
-            matc = re.search('^([\w+\s\d]*)\s+(\S+)\s+(\S+)', en)
+            matc = re.search(r'^([\w+\s\d]*)\s+(\S+)\s+(\S+)', en)
             fact['address'] = matc.group(2)
             fact['masklen'] = matc.group(3)
             facts[intf].append(fact)
@@ -299,7 +299,7 @@ class Interfaces(FactsBase):
             desc_val, desc_info = desc_next.split('Port')
         for en in desc_val.splitlines():
             if key in en:
-                match = re.search('^(\S+)\s+(\S+)', en)
+                match = re.search(r'^(\S+)\s+(\S+)', en)
                 if match.group(2) in ['Full', 'N/A']:
                     return "Null"
                 else:
@@ -331,7 +331,7 @@ class Interfaces(FactsBase):
         for en in mediatype_next.splitlines():
             if key in en:
                 flag = 0
-                match = re.search('^(\S+)\s+(\S+)\s+(\S+)', en)
+                match = re.search(r'^(\S+)\s+(\S+)\s+(\S+)', en)
                 if match:
                     strval = match.group(3)
                     return strval
@@ -344,7 +344,7 @@ class Interfaces(FactsBase):
         for en in type_val_next.splitlines():
             if key in en:
                 flag = 0
-                match = re.search('^(\S+)\s+(\S+)\s+(\S+)', en)
+                match = re.search(r'^(\S+)\s+(\S+)\s+(\S+)', en)
                 if match:
                     strval = match.group(2)
                     return strval

lib/ansible/modules/network/dellos9/dellos9_facts.py

@@ -215,7 +215,7 @@ class Hardware(FactsBase):
         self.facts['filesystems'] = self.parse_filesystems(data)
 
         data = self.responses[1]
-        match = re.findall('\s(\d+)\s', data)
+        match = re.findall(r'\s(\d+)\s', data)
         if match:
             self.facts['memtotal_mb'] = int(match[0]) // 1024
             self.facts['memfree_mb'] = int(match[2]) // 1024

lib/ansible/modules/network/eos/eos_eapi.py

@@ -208,7 +208,7 @@ def validate_local_http_port(value, module):
 
 def validate_vrf(value, module):
     out = run_commands(module, ['show vrf'])
-    configured_vrfs = re.findall('^\s+(\w+)(?=\s)', out[0], re.M)
+    configured_vrfs = re.findall(r'^\s+(\w+)(?=\s)', out[0], re.M)
     configured_vrfs.append('default')
     if value not in configured_vrfs:
         module.fail_json(msg='vrf `%s` is not configured on the system' % value)

lib/ansible/modules/network/eos/eos_system.py

@@ -140,7 +140,7 @@ def has_vrf(module, vrf):
     if _CONFIGURED_VRFS is not None:
         return vrf in _CONFIGURED_VRFS
     config = get_config(module)
-    _CONFIGURED_VRFS = re.findall('vrf definition (\S+)', config)
+    _CONFIGURED_VRFS = re.findall(r'vrf definition (\S+)', config)
     _CONFIGURED_VRFS.append('default')
     return vrf in _CONFIGURED_VRFS
 
@@ -223,18 +223,18 @@ def map_obj_to_commands(want, have, module):
     return commands
 
 def parse_hostname(config):
-    match = re.search('^hostname (\S+)', config, re.M)
+    match = re.search(r'^hostname (\S+)', config, re.M)
     if match:
         return match.group(1)
 
 def parse_domain_name(config):
-    match = re.search('^ip domain-name (\S+)', config, re.M)
+    match = re.search(r'^ip domain-name (\S+)', config, re.M)
     if match:
         return match.group(1)
 
 def parse_lookup_source(config):
     objects = list()
-    regex = 'ip domain lookup (?:vrf (\S+) )*source-interface (\S+)'
+    regex = r'ip domain lookup (?:vrf (\S+) )*source-interface (\S+)'
     for vrf, intf in re.findall(regex, config, re.M):
         if len(vrf) == 0:
             vrf= None
@@ -243,7 +243,7 @@ def parse_lookup_source(config):
 
 def parse_name_servers(config):
     objects = list()
-    for vrf, addr in re.findall('ip name-server vrf (\S+) (\S+)', config, re.M):
+    for vrf, addr in re.findall(r'ip name-server vrf (\S+) (\S+)', config, re.M):
         objects.append({'server': addr, 'vrf': vrf})
     return objects
 
@@ -252,7 +252,7 @@ def map_config_to_obj(module):
     return {
         'hostname': parse_hostname(config),
         'domain_name': parse_domain_name(config),
-        'domain_list': re.findall('^ip domain-list (\S+)', config, re.M),
+        'domain_list': re.findall(r'^ip domain-list (\S+)', config, re.M),
         'lookup_source': parse_lookup_source(config),
         'name_servers': parse_name_servers(config)
     }

lib/ansible/modules/network/f5/bigip_selfip.py

@@ -451,7 +451,7 @@ class ApiParameters(Parameters):
 
     @address.setter
     def address(self, value):
-        pattern = '^(?P<ip>[0-9A-Fa-f:.]+)%?(?P<rd>\d+)?\/(?P<nm>\d+)$'
+        pattern = r'^(?P<ip>[0-9A-Fa-f:.]+)%?(?P<rd>\d+)?\/(?P<nm>\d+)$'
         matches = re.match(pattern, value)
         if not matches:
             raise F5ModuleError(

lib/ansible/modules/network/ios/ios_banner.py

@@ -123,7 +123,7 @@ def map_config_to_obj(module):
                                     'show running-config | begin banner %s'
                                     % module.params['banner'])
         if out:
-            output = re.search('\^C(.*)\^C', out, re.S).group(1).strip()
+            output = re.search(r'\^C(.*)\^C', out, re.S).group(1).strip()
         else:
             output = None
     obj = {'banner': module.params['banner'], 'state': 'absent'}

lib/ansible/modules/network/ios/ios_ping.py

@@ -188,8 +188,8 @@ def parse_ping(ping_stats):
     Example: "Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/8 ms"
     Returns the percent of packet loss, recieved packets, transmitted packets, and RTT dict.
     """
-    rate_re = re.compile("^\w+\s+\w+\s+\w+\s+(?P<pct>\d+)\s+\w+\s+\((?P<rx>\d+)\/(?P<tx>\d+)\)")
-    rtt_re = re.compile(".*,\s+\S+\s+\S+\s+=\s+(?P<min>\d+)\/(?P<avg>\d+)\/(?P<max>\d+)\s+\w+\s*$|.*\s*$")
+    rate_re = re.compile(r"^\w+\s+\w+\s+\w+\s+(?P<pct>\d+)\s+\w+\s+\((?P<rx>\d+)/(?P<tx>\d+)\)")
+    rtt_re = re.compile(r".*,\s+\S+\s+\S+\s+=\s+(?P<min>\d+)/(?P<avg>\d+)/(?P<max>\d+)\s+\w+\s*$|.*\s*$")
 
     rate = rate_re.match(ping_stats)
     rtt = rtt_re.match(ping_stats)

lib/ansible/modules/network/ios/ios_system.py

@@ -130,7 +130,7 @@ def has_vrf(module, vrf):
     if _CONFIGURED_VRFS is not None:
         return vrf in _CONFIGURED_VRFS
     config = get_config(module)
-    _CONFIGURED_VRFS = re.findall('vrf definition (\S+)', config)
+    _CONFIGURED_VRFS = re.findall(r'vrf definition (\S+)', config)
     return vrf in _CONFIGURED_VRFS
 
 def requires_vrf(module, vrf):
@@ -244,11 +244,11 @@ def map_obj_to_commands(want, have, module):
     return commands
 
 def parse_hostname(config):
-    match = re.search('^hostname (\S+)', config, re.M)
+    match = re.search(r'^hostname (\S+)', config, re.M)
     return match.group(1)
 
 def parse_domain_name(config):
-    match = re.findall('^ip domain name (?:vrf (\S+) )*(\S+)', config, re.M)
+    match = re.findall(r'^ip domain name (?:vrf (\S+) )*(\S+)', config, re.M)
     matches = list()
     for vrf, name in match:
         if not vrf:
@@ -257,7 +257,7 @@ def parse_domain_name(config):
     return matches
 
 def parse_domain_search(config):
-    match = re.findall('^ip domain list (?:vrf (\S+) )*(\S+)', config, re.M)
+    match = re.findall(r'^ip domain list (?:vrf (\S+) )*(\S+)', config, re.M)
     matches = list()
     for vrf, name in match:
         if not vrf:
@@ -266,7 +266,7 @@ def parse_domain_search(config):
     return matches
 
 def parse_name_servers(config):
-    match = re.findall('^ip name-server (?:vrf (\S+) )*(.*)', config, re.M)
+    match = re.findall(r'^ip name-server (?:vrf (\S+) )*(.*)', config, re.M)
     matches = list()
     for vrf, servers in match:
         if not vrf:
@@ -276,7 +276,7 @@ def parse_name_servers(config):
     return matches
 
 def parse_lookup_source(config):
-    match = re.search('ip domain lookup source-interface (\S+)', config, re.M)
+    match = re.search(r'ip domain lookup source-interface (\S+)', config, re.M)
     if match:
         return match.group(1)
 

lib/ansible/modules/network/iosxr/iosxr_system.py

@@ -168,16 +168,16 @@ def map_obj_to_commands(want, have, module):
     return commands
 
 def parse_hostname(config):
-    match = re.search('^hostname (\S+)', config, re.M)
+    match = re.search(r'^hostname (\S+)', config, re.M)
     return match.group(1)
 
 def parse_domain_name(config):
-    match = re.search('^domain name (\S+)', config, re.M)
+    match = re.search(r'^domain name (\S+)', config, re.M)
     if match:
         return match.group(1)
 
 def parse_lookup_source(config):
-    match = re.search('^domain lookup source-interface (\S+)', config, re.M)
+    match = re.search(r'^domain lookup source-interface (\S+)', config, re.M)
     if match:
         return match.group(1)
 
@@ -186,10 +186,10 @@ def map_config_to_obj(module):
     return {
         'hostname': parse_hostname(config),
         'domain_name': parse_domain_name(config),
-        'domain_search': re.findall('^domain list (\S+)', config, re.M),
+        'domain_search': re.findall(r'^domain list (\S+)', config, re.M),
         'lookup_source': parse_lookup_source(config),
         'lookup_enabled': 'domain lookup disable' not in config,
-        'name_servers': re.findall('^domain name-server (\S+)', config, re.M)
+        'name_servers': re.findall(r'^domain name-server (\S+)', config, re.M)
     }
 
 def map_params_to_obj(module):

lib/ansible/modules/network/ironware/ironware_facts.py

@@ -418,7 +418,7 @@ class MPLS(FactsBase):
             path['up'] = True if match.group(1) == 'UP' else False
             path['name'] = None
             if path['up']:
-                match = re.search('bypass_lsp: (\S)', data, re.M)
+                match = re.search(r'bypass_lsp: (\S)', data, re.M)
                 path['name'] = match.group(1) if match else None
             return path
 

lib/ansible/modules/network/nxos/nxos_aaa_server.py

@@ -151,7 +151,7 @@ def get_aaa_server_info(server_type, module):
     server_command = 'show {0}-server'.format(server_type)
     request_command = 'show {0}-server directed-request'.format(server_type)
     global_key_command = 'show run | sec {0}'.format(server_type)
-    aaa_regex = '.*{0}-server\skey\s\d\s+(?P<key>\S+).*'.format(server_type)
+    aaa_regex = r'.*{0}-server\skey\s\d\s+(?P<key>\S+).*'.format(server_type)
 
     server_body = execute_show_command(
         server_command, module, command_type='cli_show_ascii')[0]

lib/ansible/modules/network/nxos/nxos_aaa_server_host.py

@@ -211,8 +211,8 @@ def get_aaa_host_info(module, server_type, address):
 
     if body[0]:
         try:
-            pattern = ('(acct-port \d+)|(timeout \d+)|(auth-port \d+)|'
-                       '(key 7 "\w+")|( port \d+)')
+            pattern = (r'(acct-port \d+)|(timeout \d+)|(auth-port \d+)|'
+                       r'(key 7 "\w+")|( port \d+)')
             raw_match = re.findall(pattern, body[0])
             aaa_host_info = _match_dict(raw_match, {'acct-port': 'acct_port',
                                                     'auth-port': 'auth_port',

lib/ansible/modules/network/nxos/nxos_feature.py

@@ -87,7 +87,7 @@ def check_args(module, warnings):
 
 def get_available_features(feature, module):
     available_features = {}
-    feature_regex = '(?P<feature>\S+)\s+\d+\s+(?P<state>.*)'
+    feature_regex = r'(?P<feature>\S+)\s+\d+\s+(?P<state>.*)'
     command = {'command': 'show feature', 'output': 'text'}
 
     try:

lib/ansible/modules/network/nxos/nxos_igmp_interface.py

@@ -358,11 +358,11 @@ def get_igmp_interface(module, interface):
     staticoif = []
     if body:
         split_body = body.split('\n')
-        route_map_regex = ('.*ip igmp static-oif route-map\s+'
-                           '(?P<route_map>\S+).*')
-        prefix_source_regex = ('.*ip igmp static-oif\s+(?P<prefix>'
-                               '((\d+.){3}\d+))(\ssource\s'
-                               '(?P<source>\S+))?.*')
+        route_map_regex = (r'.*ip igmp static-oif route-map\s+'
+                           r'(?P<route_map>\S+).*')
+        prefix_source_regex = (r'.*ip igmp static-oif\s+(?P<prefix>'
+                               r'((\d+.){3}\d+))(\ssource\s'
+                               r'(?P<source>\S+))?.*')
 
         for line in split_body:
             temp = {}

lib/ansible/modules/network/nxos/nxos_ip_interface.py

@@ -306,9 +306,9 @@ def parse_unstructured_data(body, interface_name, version, module):
     else:
         for index in range(0, len(splitted_body) - 1):
             if "IP address" in splitted_body[index]:
-                regex = '.*IP\saddress:\s(?P<addr>\d{1,3}(?:\.\d{1,3}){3}),\sIP\ssubnet:' + \
-                        '\s\d{1,3}(?:\.\d{1,3}){3}\/(?P<mask>\d+)(?:\s(?P<secondary>secondary)\s)?' + \
-                        '(.+?tag:\s(?P<tag>\d+).*)?'
+                regex = r'.*IP\saddress:\s(?P<addr>\d{1,3}(?:\.\d{1,3}){3}),\sIP\ssubnet:' + \
+                        r'\s\d{1,3}(?:\.\d{1,3}){3}\/(?P<mask>\d+)(?:\s(?P<secondary>secondary)\s)?' + \
+                        r'(.+?tag:\s(?P<tag>\d+).*)?'
                 match = re.match(regex, splitted_body[index])
                 if match:
                     match_dict = match.groupdict()
@@ -325,7 +325,7 @@ def parse_unstructured_data(body, interface_name, version, module):
                     interface['prefixes'].append(prefix)
 
     try:
-        vrf_regex = '.+?VRF\s+(?P<vrf>\S+?)\s'
+        vrf_regex = r'.+?VRF\s+(?P<vrf>\S+?)\s'
         match_vrf = re.match(vrf_regex, body, re.DOTALL)
         vrf = match_vrf.groupdict()['vrf']
     except AttributeError:
@@ -344,7 +344,7 @@ def parse_interface_data(body):
 
     for index in range(0, len(splitted_body) - 1):
             if "Encapsulation 802.1Q" in splitted_body[index]:
-                regex = '(.+?ID\s(?P<dot1q>\d+).*)?'
+                regex = r'(.+?ID\s(?P<dot1q>\d+).*)?'
                 match = re.match(regex, splitted_body[index])
                 if match:
                     match_dict = match.groupdict()

lib/ansible/modules/network/nxos/nxos_ntp.py

@@ -179,9 +179,9 @@ def get_ntp_peer(module):
             ntp = response
         if ntp:
             ntp_regex = (
-                ".*ntp\s(server\s(?P<address>\S+)|peer\s(?P<peer_address>\S+))"
-                "\s*((?P<prefer>prefer)\s*)?(use-vrf\s(?P<vrf_name>\S+)\s*)?"
-                "(key\s(?P<key_id>\d+))?.*"
+                r".*ntp\s(server\s(?P<address>\S+)|peer\s(?P<peer_address>\S+))"
+                r"\s*((?P<prefer>prefer)\s*)?(use-vrf\s(?P<vrf_name>\S+)\s*)?"
+                r"(key\s(?P<key_id>\d+))?.*"
             )
 
             split_ntp = ntp.splitlines()

lib/ansible/modules/network/nxos/nxos_ntp_auth.py

@@ -161,8 +161,8 @@ def get_ntp_trusted_key(module):
 def get_ntp_auth_key(key_id, module):
     authentication_key = {}
     command = 'show run | inc ntp.authentication-key.{0}'.format(key_id)
-    auth_regex = (".*ntp\sauthentication-key\s(?P<key_id>\d+)\s"
-                  "md5\s(?P<md5string>\S+).*")
+    auth_regex = (r".*ntp\sauthentication-key\s(?P<key_id>\d+)\s"
+                  r"md5\s(?P<md5string>\S+).*")
 
     body = execute_show_command(command, module)[0]
 

lib/ansible/modules/network/nxos/nxos_ntp_options.py

@@ -97,7 +97,7 @@ def get_current(module):
     output = run_commands(module, ({'command': cmd[0], 'output': 'text'},
                                   {'command': cmd[1], 'output': 'text'}))
 
-    match = re.search("^ntp master(?: (\d+))", output[0], re.M)
+    match = re.search(r"^ntp master(?: (\d+))", output[0], re.M)
     if match:
         master = True
         stratum = match.group(1)

lib/ansible/modules/network/nxos/nxos_ospf.py

@@ -72,7 +72,7 @@ PARAM_TO_COMMAND_KEYMAP = {
 def get_value(config, module):
     splitted_config = config.splitlines()
     value_list = []
-    REGEX = '^router ospf\s(?P<ospf>\S+).*'
+    REGEX = r'^router ospf\s(?P<ospf>\S+).*'
     for line in splitted_config:
         value = ''
         if 'router ospf' in line:

lib/ansible/modules/network/nxos/nxos_snapshot.py

@@ -191,8 +191,8 @@ def get_existing(module):
     body = execute_show_command(command, module)[0]
     if body:
         split_body = body.splitlines()
-        snapshot_regex = ('(?P<name>\S+)\s+(?P<date>\w+\s+\w+\s+\d+\s+\d+'
-                          ':\d+:\d+\s+\d+)\s+(?P<description>.*)')
+        snapshot_regex = (r'(?P<name>\S+)\s+(?P<date>\w+\s+\w+\s+\d+\s+\d+'
+                          r':\d+:\d+\s+\d+)\s+(?P<description>.*)')
         for snapshot in split_body:
             temp = {}
             try:
@@ -229,7 +229,7 @@ def action_add(module, existing_snapshots):
     body = execute_show_command(command, module)[0]
 
     if body:
-        section_regex = '.*\[(?P<section>\S+)\].*'
+        section_regex = r'.*\[(?P<section>\S+)\].*'
         split_body = body.split('\n\n')
         for section in split_body:
             temp = {}

lib/ansible/modules/network/nxos/nxos_system.py

@@ -125,7 +125,7 @@ def has_vrf(module, vrf):
     if _CONFIGURED_VRFS is not None:
         return vrf in _CONFIGURED_VRFS
     config = get_config(module)
-    _CONFIGURED_VRFS = re.findall('vrf context (\S+)', config)
+    _CONFIGURED_VRFS = re.findall(r'vrf context (\S+)', config)
     return vrf in _CONFIGURED_VRFS
 
 def map_obj_to_commands(want, have, module):
@@ -207,13 +207,13 @@ def map_obj_to_commands(want, have, module):
     return commands
 
 def parse_hostname(config):
-    match = re.search('^hostname (\S+)', config, re.M)
+    match = re.search(r'^hostname (\S+)', config, re.M)
     if match:
         return match.group(1)
 
 def parse_domain_name(config, vrf_config):
     objects = list()
-    regex = re.compile('ip domain-name (\S+)')
+    regex = re.compile(r'ip domain-name (\S+)')
 
     match = regex.search(config, re.M)
     if match:
@@ -229,11 +229,11 @@ def parse_domain_name(config, vrf_config):
 def parse_domain_search(config, vrf_config):
     objects = list()
 
-    for item in re.findall('^ip domain-list (\S+)', config, re.M):
+    for item in re.findall(r'^ip domain-list (\S+)', config, re.M):
         objects.append({'name': item, 'vrf': None})
 
     for vrf, cfg in iteritems(vrf_config):
-        for item in re.findall('ip domain-list (\S+)', cfg, re.M):
+        for item in re.findall(r'ip domain-list (\S+)', cfg, re.M):
             objects.append({'name': item, 'vrf': vrf})
 
     return objects
@@ -257,7 +257,7 @@ def parse_name_servers(config, vrf_config, vrfs):
     return objects
 
 def parse_system_mtu(config):
-    match = re.search('^system jumbomtu (\d+)', config, re.M)
+    match = re.search(r'^system jumbomtu (\d+)', config, re.M)
     if match:
         return int(match.group(1))
 
@@ -267,7 +267,7 @@ def map_config_to_obj(module):
 
     vrf_config = {}
 
-    vrfs = re.findall('^vrf context (\S+)$', config, re.M)
+    vrfs = re.findall(r'^vrf context (\S+)$', config, re.M)
     for vrf in vrfs:
         config_data = configobj.get_block_config(path=['vrf context %s' % vrf])
         vrf_config[vrf] = config_data

lib/ansible/modules/network/nxos/nxos_vrf_interface.py

@@ -151,7 +151,7 @@ def get_interface_info(interface, module):
         interface = interface.capitalize()
 
     command = 'show run | section interface.{0}'.format(interface)
-    vrf_regex = ".*vrf\s+member\s+(?P<vrf>\S+).*"
+    vrf_regex = r".*vrf\s+member\s+(?P<vrf>\S+).*"
 
     try:
         body = execute_show_command(command, module)

lib/ansible/modules/network/nxos/nxos_vtp_domain.py

@@ -123,8 +123,8 @@ def get_vtp_config(module):
     vtp_parsed = {}
 
     if body:
-        version_regex = '.*VTP version running\s+:\s+(?P<version>\d).*'
-        domain_regex = '.*VTP Domain Name\s+:\s+(?P<domain>\S+).*'
+        version_regex = r'.*VTP version running\s+:\s+(?P<version>\d).*'
+        domain_regex = r'.*VTP Domain Name\s+:\s+(?P<domain>\S+).*'
 
         try:
             match_version = re.match(version_regex, body, re.DOTALL)

lib/ansible/modules/network/nxos/nxos_vtp_password.py

@@ -154,8 +154,8 @@ def get_vtp_config(module):
     vtp_parsed = {}
 
     if body:
-        version_regex = '.*VTP version running\s+:\s+(?P<version>\d).*'
-        domain_regex = '.*VTP Domain Name\s+:\s+(?P<domain>\S+).*'
+        version_regex = r'.*VTP version running\s+:\s+(?P<version>\d).*'
+        domain_regex = r'.*VTP Domain Name\s+:\s+(?P<domain>\S+).*'
 
         try:
             match_version = re.match(version_regex, body, re.DOTALL)

lib/ansible/modules/network/nxos/nxos_vtp_version.py

@@ -121,8 +121,8 @@ def get_vtp_config(module):
     vtp_parsed = {}
 
     if body:
-        version_regex = '.*VTP version running\s+:\s+(?P<version>\d).*'
-        domain_regex = '.*VTP Domain Name\s+:\s+(?P<domain>\S+).*'
+        version_regex = r'.*VTP version running\s+:\s+(?P<version>\d).*'
+        domain_regex = r'.*VTP Domain Name\s+:\s+(?P<domain>\S+).*'
 
         try:
             match_version = re.match(version_regex, body, re.DOTALL)

test/sanity/pylint/config/default

@@ -3,7 +3,6 @@
 disable=
     abstract-method,
     access-member-before-definition,
-    anomalous-backslash-in-string,
     arguments-differ,
     assignment-from-no-return,
     attribute-defined-outside-init,