Fix work with corrupted /etc/group

calculate/lib/cl_template.py

@@ -4988,7 +4988,7 @@ gettext -d cl_template "$*"
         passwdFile = os.path.join(self._baseDir,'etc/passwd')
         if os.path.exists(passwdFile):
             mapUid = dict(
-                     filter(lambda x:x[0] and x[1],
+                     filter(lambda x:x and len(x)>1 and x[0] and x[1],
                      map(lambda x:x.split(':')[0:3:2],
                      filter(lambda x:not x.startswith('#'),
                      open(passwdFile,'r')))))
@@ -5001,7 +5001,7 @@ gettext -d cl_template "$*"
         groupFile = os.path.join(self._baseDir,'etc/group')
         if os.path.exists(groupFile):
             mapGid = dict(
-                     filter(lambda x:x[0] and x[1],
+                     filter(lambda x:x and len(x)>1 and x[0] and x[1],
                      map(lambda x:x.split(':')[0:3:2],
                      filter(lambda x:not x.startswith('#'),
                      open(groupFile,'r')))))