Removes several pylint warnings.

This patche removes 93 pylint deprecation warnings due to invalid escape
sequences (mostly 'invalid escape sequence \d') on unicode strings.

Signed-off-by: Rafael Guterres Jeffman <rjeffman@redhat.com>
Reviewed-By: Christian Heimes <cheimes@redhat.com>

ipaserver/install/adtrustinstance.py

@@ -675,7 +675,8 @@ class ADTRUSTInstance(service.Service):
 
         has_dns_lookup_kdc_true = False
         for line in krb5conf:
-            if re.match("^\s*dns_lookup_kdc\s*=\s*[Tt][Rr][Uu][Ee]\s*$", line):
+            regex = r"^\s*dns_lookup_kdc\s*=\s*[Tt][Rr][Uu][Ee]\s*$"
+            if re.match(regex, line):
                 has_dns_lookup_kdc_true = True
                 break
         krb5conf.close()

ipaserver/install/bindinstance.py

@@ -67,8 +67,8 @@ if six.PY3:
 
 logger = logging.getLogger(__name__)
 
-named_conf_section_ipa_start_re = re.compile('\s*dyndb\s+"ipa"\s+"[^"]+"\s+{')
-named_conf_section_options_start_re = re.compile('\s*options\s+{')
+named_conf_section_ipa_start_re = re.compile(r'\s*dyndb\s+"ipa"\s+"[^"]+"\s+{')
+named_conf_section_options_start_re = re.compile(r'\s*options\s+{')
 named_conf_section_end_re = re.compile('};')
 named_conf_arg_ipa_re = re.compile(
     r'(?P<indent>\s*)(?P<name>\S+)\s"(?P<value>[^"]+)";')

ipaserver/install/dsinstance.py

@@ -463,7 +463,7 @@ class DsInstance(service.Service):
                 ('cn', 'config')),
             objectclass=["top", "nsSaslMapping"],
             cn=["Full Principal"],
-            nsSaslMapRegexString=['\(.*\)@\(.*\)'],
+            nsSaslMapRegexString=[r'\(.*\)@\(.*\)'],
             nsSaslMapBaseDNTemplate=[self.suffix],
             nsSaslMapFilterTemplate=['(krbPrincipalName=\\1@\\2)'],
             nsSaslMapPriority=['10'],

ipaserver/install/server/upgrade.py

@@ -140,7 +140,7 @@ def find_autoredirect(fqdn):
     """
     filename = paths.HTTPD_IPA_REWRITE_CONF
     if os.path.exists(filename):
-        pattern = "^RewriteRule \^/\$ https://%s/ipa/ui \[L,NC,R=301\]" % fqdn
+        pattern = r"^RewriteRule \^/\$ https://%s/ipa/ui \[L,NC,R=301\]" % fqdn
         p = re.compile(pattern)
         for line in fileinput.input(filename):
             if p.search(line):
@@ -157,7 +157,7 @@ def find_version(filename):
     If the file does not exist, returns -1.
     """
     if os.path.exists(filename):
-        pattern = "^[\s#]*VERSION\s+([0-9]+)\s+.*"
+        pattern = r"^[\s#]*VERSION\s+([0-9]+)\s+.*"
         p = re.compile(pattern)
         for line in fileinput.input(filename):
             if p.search(line):