Fix invalid string escape sequences.

lib/ansible/modules/cloud/amazon/_ec2_ami_find.py

@@ -11,7 +11,7 @@ ANSIBLE_METADATA = {'metadata_version': '1.1',
                     'supported_by': 'community'}
 
 
-DOCUMENTATION = '''
+DOCUMENTATION = r'''
 ---
 module: ec2_ami_find
 version_added: '2.0'

lib/ansible/modules/cloud/amazon/cloudwatchevent_rule.py

@@ -11,7 +11,7 @@ ANSIBLE_METADATA = {'metadata_version': '1.1',
                     'supported_by': 'community'}
 
 
-DOCUMENTATION = '''
+DOCUMENTATION = r'''
 ---
 module: cloudwatchevent_rule
 short_description: Manage CloudWatch Event rules and targets

lib/ansible/modules/cloud/amazon/ec2_group.py

@@ -368,7 +368,7 @@ def get_target_from_rule(module, client, rule, name, group, groups, vpc_id):
     group_id or a non-None ip range.
     """
 
-    FOREIGN_SECURITY_GROUP_REGEX = '^(\S+)/(sg-\S+)/(\S+)'
+    FOREIGN_SECURITY_GROUP_REGEX = r'^(\S+)/(sg-\S+)/(\S+)'
     group_id = None
     group_name = None
     ip = None

lib/ansible/modules/cloud/amazon/ec2_vpc_route_table.py

@@ -169,9 +169,9 @@ class AnsibleSubnetSearchException(AnsibleRouteTableException):
     pass
 
 
-CIDR_RE = re.compile('^(\d{1,3}\.){3}\d{1,3}\/\d{1,2}$')
-SUBNET_RE = re.compile('^subnet-[A-z0-9]+$')
-ROUTE_TABLE_RE = re.compile('^rtb-[A-z0-9]+$')
+CIDR_RE = re.compile(r'^(\d{1,3}\.){3}\d{1,3}/\d{1,2}$')
+SUBNET_RE = re.compile(r'^subnet-[A-z0-9]+$')
+ROUTE_TABLE_RE = re.compile(r'^rtb-[A-z0-9]+$')
 
 
 def find_subnets(vpc_conn, vpc_id, identified_subnets):

lib/ansible/modules/cloud/amazon/lambda.py

@@ -238,7 +238,7 @@ def get_account_id(module, region=None, endpoint=None, **aws_connect_kwargs):
         except ClientError as e:
             if (e.response['Error']['Code'] == 'AccessDenied'):
                 except_msg = to_native(e.message)
-                account_id = except_msg.search("arn:aws:iam::([0-9]{12,32}):\w+/").group(1)
+                account_id = except_msg.search(r"arn:aws:iam::([0-9]{12,32}):\w+/").group(1)
             if account_id is None:
                 module.fail_json_aws(e, msg="getting account information")
         except Exception as e:

lib/ansible/modules/cloud/amazon/lambda_alias.py

@@ -235,7 +235,7 @@ def validate_params(module, aws):
     function_name = module.params['function_name']
 
     # validate function name
-    if not re.search('^[\w\-:]+$', function_name):
+    if not re.search(r'^[\w\-:]+$', function_name):
         module.fail_json(
             msg='Function name {0} is invalid. Names must contain only alphanumeric characters and hyphens.'.format(function_name)
         )

lib/ansible/modules/cloud/amazon/lambda_event.py

@@ -222,7 +222,7 @@ def validate_params(module, aws):
     function_name = module.params['lambda_function_arn']
 
     # validate function name
-    if not re.search('^[\w\-:]+$', function_name):
+    if not re.search(r'^[\w\-:]+$', function_name):
         module.fail_json(
             msg='Function name {0} is invalid. Names must contain only alphanumeric characters and hyphens.'.format(function_name)
         )

lib/ansible/modules/cloud/amazon/lambda_facts.py

@@ -361,7 +361,7 @@ def main():
     # validate function_name if present
     function_name = module.params['function_name']
     if function_name:
-        if not re.search("^[\w\-:]+$", function_name):
+        if not re.search(r"^[\w\-:]+$", function_name):
             module.fail_json(
                 msg='Function name {0} is invalid. Names must contain only alphanumeric characters and hyphens.'.format(function_name)
             )

lib/ansible/modules/cloud/amazon/lambda_policy.py

@@ -188,7 +188,7 @@ def validate_params(module):
 
     # validate function name
     if function_name.startswith('arn:'):
-        if not re.search('^[\w\-]+$', function_name):
+        if not re.search(r'^[\w\-]+$', function_name):
             module.fail_json(
                 msg='Function name {0} is invalid. Names must contain only alphanumeric characters and hyphens.'.format(
                     function_name)
@@ -197,7 +197,7 @@ def validate_params(module):
             module.fail_json(
                 msg='Function name "{0}" exceeds 64 character limit'.format(function_name))
     else:
-        if not re.search('^[\w\-:]+$', function_name):
+        if not re.search(r'^[\w\-:]+$', function_name):
             module.fail_json(
                 msg='ARN {0} is invalid. ARNs must contain only alphanumeric characters, hyphens and colons.'.format(function_name)
             )

lib/ansible/modules/cloud/azure/azure_rm_virtualmachine.py

@@ -613,8 +613,8 @@ AZURE_ENUM_MODULES = ['azure.mgmt.compute.models']
 
 def extract_names_from_blob_uri(blob_uri, storage_suffix):
     # HACK: ditch this once python SDK supports get by URI
-    m = re.match('^https://(?P<accountname>[^\.]+)\.blob\.{0}/'
-                 '(?P<containername>[^/]+)/(?P<blobname>.+)$'.format(storage_suffix), blob_uri)
+    m = re.match(r'^https://(?P<accountname>[^.]+)\.blob\.{0}/'
+                 r'(?P<containername>[^/]+)/(?P<blobname>.+)$'.format(storage_suffix), blob_uri)
     if not m:
         raise Exception("unable to parse blob uri '%s'" % blob_uri)
     extracted_names = m.groupdict()

lib/ansible/modules/cloud/misc/proxmox_kvm.py

@@ -13,7 +13,7 @@ ANSIBLE_METADATA = {'metadata_version': '1.1',
                     'supported_by': 'community'}
 
 
-DOCUMENTATION = '''
+DOCUMENTATION = r'''
 ---
 module: proxmox_kvm
 short_description: Management of Qemu(KVM) Virtual Machines in Proxmox VE cluster.

lib/ansible/modules/cloud/packet/packet_device.py

@@ -271,8 +271,8 @@ except ImportError:
 from ansible.module_utils.basic import AnsibleModule
 
 
-NAME_RE = '({0}|{0}{1}*{0})'.format('[a-zA-Z0-9]', '[a-zA-Z0-9\-]')
-HOSTNAME_RE = '({0}\.)*{0}$'.format(NAME_RE)
+NAME_RE = r'({0}|{0}{1}*{0})'.format(r'[a-zA-Z0-9]', r'[a-zA-Z0-9\-]')
+HOSTNAME_RE = r'({0}\.)*{0}$'.format(NAME_RE)
 MAX_DEVICES = 100
 
 PACKET_DEVICE_STATES = (
@@ -403,7 +403,7 @@ def get_hostname_list(module):
     if (len(hostnames) == 1) and (count > 0):
         hostname_spec = hostnames[0]
         count_range = range(count_offset, count_offset + count)
-        if re.search("%\d{0,2}d", hostname_spec):
+        if re.search(r"%\d{0,2}d", hostname_spec):
             hostnames = [hostname_spec % i for i in count_range]
         elif count > 1:
             hostname_spec = '%s%%02d' % hostname_spec

lib/ansible/modules/cloud/profitbricks/profitbricks.py

@@ -215,7 +215,7 @@ LOCATIONS = ['us/las',
              'de/fkb']
 
 uuid_match = re.compile(
-    '[\w]{8}-[\w]{4}-[\w]{4}-[\w]{4}-[\w]{12}', re.I)
+    r'[\w]{8}-[\w]{4}-[\w]{4}-[\w]{4}-[\w]{12}', re.I)
 
 
 def _wait_for_completion(profitbricks, promise, wait_timeout, msg):

lib/ansible/modules/cloud/profitbricks/profitbricks_datacenter.py

@@ -95,7 +95,7 @@ LOCATIONS = ['us/las',
              'de/fkb']
 
 uuid_match = re.compile(
-    '[\w]{8}-[\w]{4}-[\w]{4}-[\w]{4}-[\w]{12}', re.I)
+    r'[\w]{8}-[\w]{4}-[\w]{4}-[\w]{4}-[\w]{12}', re.I)
 
 
 def _wait_for_completion(profitbricks, promise, wait_timeout, msg):

lib/ansible/modules/cloud/profitbricks/profitbricks_nic.py

@@ -98,7 +98,7 @@ from ansible.module_utils.basic import AnsibleModule
 
 
 uuid_match = re.compile(
-    '[\w]{8}-[\w]{4}-[\w]{4}-[\w]{4}-[\w]{12}', re.I)
+    r'[\w]{8}-[\w]{4}-[\w]{4}-[\w]{4}-[\w]{12}', re.I)
 
 
 def _wait_for_completion(profitbricks, promise, wait_timeout, msg):

lib/ansible/modules/cloud/profitbricks/profitbricks_volume.py

@@ -147,7 +147,7 @@ from ansible.module_utils._text import to_native
 
 
 uuid_match = re.compile(
-    '[\w]{8}-[\w]{4}-[\w]{4}-[\w]{4}-[\w]{12}', re.I)
+    r'[\w]{8}-[\w]{4}-[\w]{4}-[\w]{4}-[\w]{12}', re.I)
 
 
 def _wait_for_completion(profitbricks, promise, wait_timeout, msg):

lib/ansible/modules/cloud/profitbricks/profitbricks_volume_attachments.py

@@ -95,7 +95,7 @@ from ansible.module_utils.basic import AnsibleModule
 
 
 uuid_match = re.compile(
-    '[\w]{8}-[\w]{4}-[\w]{4}-[\w]{4}-[\w]{12}', re.I)
+    r'[\w]{8}-[\w]{4}-[\w]{4}-[\w]{4}-[\w]{12}', re.I)
 
 
 def _wait_for_completion(profitbricks, promise, wait_timeout, msg):

lib/ansible/modules/cloud/smartos/imgadm.py

@@ -145,7 +145,7 @@ class Imgadm(object):
 
     # Helper method to massage stderr
     def errmsg(self, stderr):
-        match = re.match('^imgadm .*?: error \(\w+\): (.*): .*', stderr)
+        match = re.match(r'^imgadm .*?: error \(\w+\): (.*): .*', stderr)
         if match:
             return match.groups()[0]
         else:
@@ -236,7 +236,7 @@ class Imgadm(object):
             if rc != 0:
                 self.module.fail_json(msg='Failed to import image: {0}'.format(self.errmsg(stderr)))
 
-            regex = 'Image {0} \(.*\) is already installed, skipping'.format(self.uuid)
+            regex = r'Image {0} \(.*\) is already installed, skipping'.format(self.uuid)
             if re.match(regex, stdout):
                 self.changed = False
 

lib/ansible/modules/database/influxdb/influxdb_retention_policy.py

@@ -181,7 +181,7 @@ def alter_retention_policy(module, client, retention_policy):
     duration = module.params['duration']
     replication = module.params['replication']
     default = module.params['default']
-    duration_regexp = re.compile('(\d+)([hdw]{1})|(^INF$){1}')
+    duration_regexp = re.compile(r'(\d+)([hdw]{1})|(^INF$){1}')
     changed = False
 
     duration_lookup = duration_regexp.search(duration)

lib/ansible/modules/database/mysql/mysql_db.py

@@ -126,7 +126,7 @@ from ansible.module_utils._text import to_native
 
 
 def db_exists(cursor, db):
-    res = cursor.execute("SHOW DATABASES LIKE %s", (db.replace("_", "\_"),))
+    res = cursor.execute("SHOW DATABASES LIKE %s", (db.replace("_", r"\_"),))
     return bool(res)
 
 

lib/ansible/modules/database/postgresql/postgresql_user.py

@@ -503,7 +503,7 @@ def get_database_privileges(cursor, user, db):
     datacl = cursor.fetchone()[0]
     if datacl is None:
         return set()
-    r = re.search('%s\\\\?\"?=(C?T?c?)/[^,]+\,?' % user, datacl)
+    r = re.search(r'%s\\?"?=(C?T?c?)/[^,]+,?' % user, datacl)
     if r is None:
         return set()
     o = set()

lib/ansible/modules/files/find.py

@@ -287,7 +287,7 @@ def main():
         age = None
     else:
         # convert age to seconds:
-        m = re.match("^(-?\d+)(s|m|h|d|w)?$", params['age'].lower())
+        m = re.match(r"^(-?\d+)(s|m|h|d|w)?$", params['age'].lower())
         seconds_per_unit = {"s": 1, "m": 60, "h": 3600, "d": 86400, "w": 604800}
         if m:
             age = int(m.group(1)) * seconds_per_unit.get(m.group(2), 1)
@@ -298,7 +298,7 @@ def main():
         size = None
     else:
         # convert size to bytes:
-        m = re.match("^(-?\d+)(b|k|m|g|t)?$", params['size'].lower())
+        m = re.match(r"^(-?\d+)(b|k|m|g|t)?$", params['size'].lower())
         bytes_per_unit = {"b": 1, "k": 1024, "m": 1024**2, "g": 1024**3, "t": 1024**4}
         if m:
             size = int(m.group(1)) * bytes_per_unit.get(m.group(2), 1)

lib/ansible/modules/files/xattr.py

@@ -179,7 +179,7 @@ def main():
         module.fail_json(msg="%s needs a key parameter" % state)
 
     # All xattr must begin in user namespace
-    if key is not None and not re.match('^user\.', key):
+    if key is not None and not re.match(r'^user\.', key):
         key = 'user.%s' % key
 
     if (state == 'present' or value is not None):

lib/ansible/modules/files/xml.py

@@ -274,7 +274,7 @@ from ansible.module_utils.basic import AnsibleModule, json_dict_bytes_to_unicode
 from ansible.module_utils.six import iteritems, string_types
 from ansible.module_utils._text import to_bytes, to_native
 
-_IDENT = "[a-zA-Z-][a-zA-Z0-9_\-\.]*"
+_IDENT = r"[a-zA-Z-][a-zA-Z0-9_\-\.]*"
 _NSIDENT = _IDENT + "|" + _IDENT + ":" + _IDENT
 # Note: we can't reasonably support the 'if you need to put both ' and " in a string, concatenate
 # strings wrapped by the other delimiter' XPath trick, especially as simple XPath.

lib/ansible/modules/inventory/add_host.py

@@ -12,7 +12,7 @@ ANSIBLE_METADATA = {'metadata_version': '1.1',
                     'supported_by': 'core'}
 
 
-DOCUMENTATION = '''
+DOCUMENTATION = r'''
 ---
 module: add_host
 short_description: add a host (and alternatively a group) to the ansible-playbook in-memory inventory

lib/ansible/modules/monitoring/monit.py

@@ -75,7 +75,7 @@ def main():
     def monit_version():
         rc, out, err = module.run_command('%s -V' % MONIT, check_rc=True)
         version_line = out.split('\n')[0]
-        version = re.search("[0-9]+\.[0-9]+", version_line).group().split('.')
+        version = re.search(r"[0-9]+\.[0-9]+", version_line).group().split('.')
         # Use only major and minor even if there are more these should be enough
         return int(version[0]), int(version[1])
 

lib/ansible/modules/notification/irc.py

@@ -206,7 +206,7 @@ def send_msg(msg, server='localhost', port='6667', channel=None, nick_to=None, k
         motd += irc.recv(1024)
         # The server might send back a shorter nick than we specified (due to NICKLEN),
         #  so grab that and use it from now on (assuming we find the 00[1-4] response).
-        match = re.search('^:\S+ 00[1-4] (?P<nick>\S+) :', motd, flags=re.M)
+        match = re.search(r'^:\S+ 00[1-4] (?P<nick>\S+) :', motd, flags=re.M)
         if match:
             nick = match.group('nick')
             break
@@ -223,7 +223,7 @@ def send_msg(msg, server='localhost', port='6667', channel=None, nick_to=None, k
     start = time.time()
     while 1:
         join += irc.recv(1024)
-        if re.search('^:\S+ 366 %s %s :' % (nick, channel), join, flags=re.M):
+        if re.search(r'^:\S+ 366 %s %s :' % (nick, channel), join, flags=re.M):
             break
         elif time.time() - start > timeout:
             raise Exception('Timeout waiting for IRC JOIN response')

lib/ansible/modules/packaging/language/composer.py

@@ -137,7 +137,7 @@ from ansible.module_utils.basic import AnsibleModule
 
 
 def parse_out(string):
-    return re.sub("\s+", " ", string).strip()
+    return re.sub(r"\s+", " ", string).strip()
 
 
 def has_changed(string):

lib/ansible/modules/packaging/language/npm.py

@@ -220,7 +220,7 @@ class Npm(object):
             if dep:
                 # node.js v0.10.22 changed the `npm outdated` module separator
                 # from "@" to " ". Split on both for backwards compatibility.
-                pkg, other = re.split('\s|@', dep, 1)
+                pkg, other = re.split(r'\s|@', dep, 1)
                 outdated.append(pkg)
 
         return outdated

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

@@ -150,7 +150,7 @@ from ansible.module_utils.basic import AnsibleModule
 def parse_for_packages(stdout):
     packages = []
     data = stdout.split('\n')
-    regex = re.compile('^\(\d+/\d+\)\s+\S+\s+(\S+)')
+    regex = re.compile(r'^\(\d+/\d+\)\s+\S+\s+(\S+)')
     for l in data:
         p = regex.search(l)
         if p:

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

@@ -208,8 +208,8 @@ class SourcesList(object):
             return s
 
         # Drop options and protocols.
-        line = re.sub('\[[^\]]+\]', '', line)
-        line = re.sub('\w+://', '', line)
+        line = re.sub(r'\[[^\]]+\]', '', line)
+        line = re.sub(r'\w+://', '', line)
 
         # split line into valid keywords
         parts = [part for part in line.split() if part not in VALID_SOURCE_TYPES]

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

@@ -235,7 +235,7 @@ def package_present(names, pkg_spec, module):
                     # "file:/local/package/directory/ is empty" message on stderr
                     # while still installing the package, so we need to look for
                     # for a message like "packagename-1.0: ok" just in case.
-                    match = re.search("\W%s-[^:]+: ok\W" % pkg_spec[name]['stem'], pkg_spec[name]['stdout'])
+                    match = re.search(r"\W%s-[^:]+: ok\W" % pkg_spec[name]['stem'], pkg_spec[name]['stdout'])
 
                     if match:
                         # It turns out we were able to install the package.
@@ -286,7 +286,7 @@ def package_latest(names, pkg_spec, module):
             pkg_spec[name]['changed'] = False
             for installed_name in pkg_spec[name]['installed_names']:
                 module.debug("package_latest(): checking for pre-upgrade package name: %s" % installed_name)
-                match = re.search("\W%s->.+: ok\W" % installed_name, pkg_spec[name]['stdout'])
+                match = re.search(r"\W%s->.+: ok\W" % installed_name, pkg_spec[name]['stdout'])
                 if match:
                     module.debug("package_latest(): pre-upgrade package name match: %s" % installed_name)
 
@@ -502,7 +502,7 @@ def upgrade_packages(pkg_spec, module):
 
     # Try to find any occurrence of a package changing version like:
     # "bzip2-1.0.6->1.0.6p0: ok".
-    match = re.search("\W\w.+->.+: ok\W", pkg_spec['*']['stdout'])
+    match = re.search(r"\W\w.+->.+: ok\W", pkg_spec['*']['stdout'])
     if match:
         pkg_spec['*']['changed'] = True
 

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

@@ -194,7 +194,7 @@ def upgrade(module, pacman_path):
     }
 
     if rc == 0:
-        regex = re.compile('([\w-]+) ((?:\S+)-(?:\S+)) -> ((?:\S+)-(?:\S+))')
+        regex = re.compile(r'([\w-]+) ((?:\S+)-(?:\S+)) -> ((?:\S+)-(?:\S+))')
         for p in data:
             m = regex.search(p)
             packages.append(m.group(1))
@@ -419,11 +419,11 @@ def main():
         for i, pkg in enumerate(pkgs):
             if not pkg:  # avoid empty strings
                 continue
-            elif re.match(".*\.pkg\.tar(\.(gz|bz2|xz|lrz|lzo|Z))?$", pkg):
+            elif re.match(r".*\.pkg\.tar(\.(gz|bz2|xz|lrz|lzo|Z))?$", pkg):
                 # The package given is a filename, extract the raw pkg name from
                 # it and store the filename
                 pkg_files.append(pkg)
-                pkgs[i] = re.sub('-[0-9].*$', '', pkgs[i].split('/')[-1])
+                pkgs[i] = re.sub(r'-[0-9].*$', '', pkgs[i].split('/')[-1])
             else:
                 pkg_files.append(None)
 

lib/ansible/modules/packaging/os/pkg5.py

@@ -95,8 +95,8 @@ def main():
     # Try to spot where this has happened and fix it.
     for fragment in params['name']:
         if (
-            re.search('^\d+(?:\.\d+)*', fragment)
-            and packages and re.search('@[^,]*$', packages[-1])
+            re.search(r'^\d+(?:\.\d+)*', fragment)
+            and packages and re.search(r'@[^,]*$', packages[-1])
         ):
             packages[-1] += ',' + fragment
         else:

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

@@ -231,7 +231,7 @@ def codex_list(module):
     if rc != 0:
         module.fail_json(msg="unable to list grimoire collection, fix your Codex")
 
-    rex = re.compile("^\s*\[\d+\] : (?P<grim>[\w\-\+\.]+) : [\w\-\+\./]+(?: : (?P<ver>[\w\-\+\.]+))?\s*$")
+    rex = re.compile(r"^\s*\[\d+\] : (?P<grim>[\w\-+.]+) : [\w\-+./]+(?: : (?P<ver>[\w\-+.]+))?\s*$")
 
     # drop 4-line header and empty trailing line
     for line in stdout.splitlines()[4:-1]:

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

@@ -102,7 +102,7 @@ def query_package(module, name, depot=None):
     else:
         rc, stdout, stderr = module.run_command("%s %s | grep %s" % (cmd_list, pipes.quote(name), pipes.quote(name)), use_unsafe_shell=True)
     if rc == 0:
-        version = re.sub("\s\s+|\t" , " ", stdout).strip().split()[1]
+        version = re.sub(r"\s\s+|\t", " ", stdout).strip().split()[1]
     else:
         version = None
 

lib/ansible/modules/remote_management/hpilo/hpilo_facts.py

@@ -231,7 +231,7 @@ def main():
         for cpu, details in memory_details_summary.items():
             cpu_total_memory_size = details.get('total_memory_size')
             if cpu_total_memory_size:
-                ram = re.search('(\d+)\s+(\w+)', cpu_total_memory_size)
+                ram = re.search(r'(\d+)\s+(\w+)', cpu_total_memory_size)
                 if ram:
                     if ram.group(2) == 'GB':
                         facts['hw_memory_total'] = facts['hw_memory_total'] + int(ram.group(1))

lib/ansible/modules/system/aix_lvol.py

@@ -144,20 +144,20 @@ def parse_lv(data):
     name = None
 
     for line in data.splitlines():
-        match = re.search("LOGICAL VOLUME:\s+(\w+)\s+VOLUME GROUP:\s+(\w+)", line)
+        match = re.search(r"LOGICAL VOLUME:\s+(\w+)\s+VOLUME GROUP:\s+(\w+)", line)
         if match is not None:
             name = match.group(1)
             vg = match.group(2)
             continue
-        match = re.search("LPs:\s+(\d+).*PPs", line)
+        match = re.search(r"LPs:\s+(\d+).*PPs", line)
         if match is not None:
             lps = int(match.group(1))
             continue
-        match = re.search("PP SIZE:\s+(\d+)", line)
+        match = re.search(r"PP SIZE:\s+(\d+)", line)
         if match is not None:
             pp_size = int(match.group(1))
             continue
-        match = re.search("INTER-POLICY:\s+(\w+)", line)
+        match = re.search(r"INTER-POLICY:\s+(\w+)", line)
         if match is not None:
             policy = match.group(1)
             continue
@@ -174,22 +174,22 @@ def parse_vg(data):
 
     for line in data.splitlines():
 
-        match = re.search("VOLUME GROUP:\s+(\w+)", line)
+        match = re.search(r"VOLUME GROUP:\s+(\w+)", line)
         if match is not None:
             name = match.group(1)
             continue
 
-        match = re.search("TOTAL PP.*\((\d+)", line)
+        match = re.search(r"TOTAL PP.*\((\d+)", line)
         if match is not None:
             size = int(match.group(1))
             continue
 
-        match = re.search("PP SIZE:\s+(\d+)", line)
+        match = re.search(r"PP SIZE:\s+(\d+)", line)
         if match is not None:
             pp_size = int(match.group(1))
             continue
 
-        match = re.search("FREE PP.*\((\d+)", line)
+        match = re.search(r"FREE PP.*\((\d+)", line)
         if match is not None:
             free = int(match.group(1))
             continue

lib/ansible/modules/system/authorized_key.py

@@ -404,7 +404,7 @@ def parsekey(module, raw_key, rank=None):
     type_index = None   # index of keytype in key string|list
 
     # remove comment yaml escapes
-    raw_key = raw_key.replace('\#', '#')
+    raw_key = raw_key.replace(r'\#', '#')
 
     # split key safely
     lex = shlex.shlex(raw_key)

lib/ansible/modules/system/awall.py

@@ -74,7 +74,7 @@ def activate(module):
 def is_policy_enabled(module, name):
     cmd = "%s list" % (AWALL_PATH)
     rc, stdout, stderr = module.run_command(cmd)
-    if re.search("^%s\s+enabled" % name, stdout, re.MULTILINE):
+    if re.search(r"^%s\s+enabled" % name, stdout, re.MULTILINE):
         return True
     return False
 

lib/ansible/modules/system/gluster_volume.py

@@ -261,7 +261,7 @@ def get_quotas(name, nofail):
         out = run_gluster(['volume', 'quota', name, 'list'])
     for row in out.split('\n'):
         if row[:1] == '/':
-            q = re.split('\s+', row)
+            q = re.split(r'\s+', row)
             quotas[q[0]] = q[1]
     return quotas
 

lib/ansible/modules/system/interfaces_file.py

@@ -161,14 +161,14 @@ def optionDict(line, iface, option, value):
 
 
 def getValueFromLine(s):
-    spaceRe = re.compile('\s+')
+    spaceRe = re.compile(r'\s+')
     for m in spaceRe.finditer(s):
         pass
     valueEnd = m.start()
     option = s.split()[0]
     optionStart = s.find(option)
     optionLen = len(option)
-    valueStart = re.search('\s', s[optionLen + optionStart:]).end() + optionLen + optionStart
+    valueStart = re.search(r'\s', s[optionLen + optionStart:]).end() + optionLen + optionStart
     return s[valueStart:valueEnd]
 
 
@@ -286,7 +286,7 @@ def setInterfaceOption(module, lines, iface, option, raw_value, state):
                     old_value = target_option['value']
                     prefix_start = old_line.find(option)
                     optionLen = len(option)
-                    old_value_position = re.search("\s+".join(old_value.split()), old_line[prefix_start + optionLen:])
+                    old_value_position = re.search(r"\s+".join(old_value.split()), old_line[prefix_start + optionLen:])
                     start = old_value_position.start() + prefix_start + optionLen
                     end = old_value_position.end() + prefix_start + optionLen
                     line = old_line[:start] + value + old_line[end:]

lib/ansible/modules/system/kernel_blacklist.py

@@ -66,7 +66,7 @@ class Blacklist(object):
             return False
 
     def get_pattern(self):
-        return '^blacklist\s*' + self.module + '$'
+        return r'^blacklist\s*' + self.module + '$'
 
     def readlines(self):
         f = open(self.filename, 'r')

lib/ansible/modules/system/locale_gen.py

@@ -70,10 +70,10 @@ def is_available(name, ubuntuMode):
     * if the locale is present in /etc/locales.gen
     * or if the locale is present in /usr/share/i18n/SUPPORTED"""
     if ubuntuMode:
-        __regexp = '^(?P<locale>\S+_\S+) (?P<charset>\S+)\s*$'
+        __regexp = r'^(?P<locale>\S+_\S+) (?P<charset>\S+)\s*$'
         __locales_available = '/usr/share/i18n/SUPPORTED'
     else:
-        __regexp = '^#{0,1}\s*(?P<locale>\S+_\S+) (?P<charset>\S+)\s*$'
+        __regexp = r'^#{0,1}\s*(?P<locale>\S+_\S+) (?P<charset>\S+)\s*$'
         __locales_available = '/etc/locale.gen'
 
     re_compiled = re.compile(__regexp)
@@ -117,11 +117,11 @@ def replace_line(existing_line, new_line):
 
 def set_locale(name, enabled=True):
     """ Sets the state of the locale. Defaults to enabled. """
-    search_string = '#{0,1}\s*%s (?P<charset>.+)' % name
+    search_string = r'#{0,1}\s*%s (?P<charset>.+)' % name
     if enabled:
-        new_string = '%s \g<charset>' % (name)
+        new_string = r'%s \g<charset>' % (name)
     else:
-        new_string = '# %s \g<charset>' % (name)
+        new_string = r'# %s \g<charset>' % (name)
     try:
         f = open("/etc/locale.gen", "r")
         lines = [re.sub(search_string, new_string, line) for line in f]

lib/ansible/modules/system/lvol.py

@@ -226,7 +226,7 @@ def get_lvm_version(module):
     rc, out, err = module.run_command("%s version" % (ver_cmd))
     if rc != 0:
         return None
-    m = re.search("LVM version:\s+(\d+)\.(\d+)\.(\d+).*(\d{4}-\d{2}-\d{2})", out)
+    m = re.search(r"LVM version:\s+(\d+)\.(\d+)\.(\d+).*(\d{4}-\d{2}-\d{2})", out)
     if not m:
         return None
     return mkversion(m.group(1), m.group(2), m.group(3))

lib/ansible/modules/system/runit.py

@@ -169,11 +169,11 @@ class Sv(object):
         else:
             self.full_state = out
 
-            m = re.search('\(pid (\d+)\)', out)
+            m = re.search(r'\(pid (\d+)\)', out)
             if m:
                 self.pid = m.group(1)
 
-            m = re.search(' (\d+)s', out)
+            m = re.search(r' (\d+)s', out)
             if m:
                 self.duration = m.group(1)
 

lib/ansible/modules/system/service.py

@@ -672,10 +672,10 @@ class LinuxService(Service):
 
             initpath = '/etc/init'
             if self.upstart_version >= LooseVersion('0.6.7'):
-                manreg = re.compile('^manual\s*$', re.M | re.I)
+                manreg = re.compile(r'^manual\s*$', re.M | re.I)
                 config_line = 'manual\n'
             else:
-                manreg = re.compile('^start on manual\s*$', re.M | re.I)
+                manreg = re.compile(r'^start on manual\s*$', re.M | re.I)
                 config_line = 'start on manual\n'
             conf_file_name = "%s/%s.conf" % (initpath, self.name)
             override_file_name = "%s/%s.override" % (initpath, self.name)
@@ -1308,7 +1308,7 @@ class SunOSService(Service):
         # Support for synchronous restart/refresh is only supported on
         # Oracle Solaris >= 11.2
         for line in open('/etc/release', 'r').readlines():
-            m = re.match('\s+Oracle Solaris (\d+\.\d+).*', line.rstrip())
+            m = re.match(r'\s+Oracle Solaris (\d+\.\d+).*', line.rstrip())
             if m and m.groups()[0] >= 11.2:
                 return True
 

lib/ansible/modules/system/svc.py

@@ -180,11 +180,11 @@ class Svc(object):
         else:
             self.full_state = out
 
-            m = re.search('\(pid (\d+)\)', out)
+            m = re.search(r'\(pid (\d+)\)', out)
             if m:
                 self.pid = m.group(1)
 
-            m = re.search('(\d+) seconds', out)
+            m = re.search(r'(\d+) seconds', out)
             if m:
                 self.duration = m.group(1)
 

lib/ansible/modules/system/timezone.py

@@ -517,7 +517,7 @@ class SmartOSTimezone(Timezone):
 
             # sm-set-timezone knows no state and will always set the timezone.
             # XXX: https://github.com/joyent/smtools/pull/2
-            m = re.match('^\* Changed (to)? timezone (to)? (%s).*' % value, stdout.splitlines()[1])
+            m = re.match(r'^\* Changed (to)? timezone (to)? (%s).*' % value, stdout.splitlines()[1])
             if not (m and m.groups()[-1] == value):
                 self.module.fail_json(msg='Failed to set timezone')
         else: