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>

ipapython/certdb.py

@@ -554,7 +554,7 @@ class NSSDatabase:
         chain = result.output.splitlines()
 
         for c in chain:
-            m = re.match('\s*"(.*)" \[.*', c)
+            m = re.match(r'\s*"(.*)" \[.*', c)
             if m:
                 root_nicknames.append(m.groups()[0])
 

ipapython/dn.py

@@ -17,7 +17,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-'''
+r'''
 
 Goal
 ----

ipapython/ipautil.py

@@ -310,7 +310,7 @@ def template_str(txt, vars):
     # eval() is a special string one can insert into a template to have the
     # Python interpreter evaluate the string. This is intended to allow
     # math to be performed in templates.
-    pattern = re.compile('(eval\s*\(([^()]*)\))')
+    pattern = re.compile(r'(eval\s*\(([^()]*)\))')
     val = pattern.sub(lambda x: str(eval(x.group(2))), val)
 
     return val
@@ -1145,7 +1145,7 @@ def config_replace_variables(filepath, replacevars=dict(), appendvars=dict(),
     One have to run restore_context(filepath) afterwards or
     security context of the file will not be correct after modification
     """
-    pattern = re.compile('''
+    pattern = re.compile(r'''
 (^
                         \s*
         (?P<option>     [^\#;]+?)
@@ -1220,7 +1220,7 @@ def inifile_replace_variables(filepath, section, replacevars=dict(), appendvars=
     One have to run restore_context(filepath) afterwards or
     security context of the file will not be correct after modification
     """
-    pattern = re.compile('''
+    pattern = re.compile(r'''
 (^
                         \[
         (?P<section>    .+) \]