core (constants): use realpath instead of abspath + do not import it when building libervia

src/core/constants.py

@@ -17,11 +17,11 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-from os.path import expanduser, abspath
 try:
     import __pyjamas__  # do not import xdg when building Libervia
     BaseDirectory = None
 except ImportError:
+    from os.path import expanduser, realpath
     from xdg import BaseDirectory
 
 
@@ -62,7 +62,7 @@ class Const(object):
         }
 
         # List of the configuration filenames sorted by ascending priority
-        CONFIG_FILES = [abspath(expanduser(path) + APP_NAME_FILE + '.conf') for path in
+        CONFIG_FILES = [realpath(expanduser(path) + APP_NAME_FILE + '.conf') for path in
                         ['/etc/', '~/', '~/.', '', '.'] +
                         ['%s/' % path for path in list(BaseDirectory.load_config_paths(APP_NAME_FILE))]
                        ]