--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/sat_browser/logging.py	Sat Aug 25 17:59:48 2018 +0200
@@ -0,0 +1,58 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# Libervia: a Salut à Toi frontend
+# Copyright (C) 2011-2018 Jérôme Poisson <goffi@goffi.org>
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+
+# 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/>.
+"""This module configure logs for Libervia browser side"""
+
+from __pyjamas__ import console
+from constants import Const as C
+from sat.core import log  # XXX: we don't use core.log_config here to avoid the impossible imports in pyjamas
+
+
+class LiberviaLogger(log.Logger):
+
+    def out(self, message, level=None):
+        try:
+            console
+        except:
+            # XXX: for older Firefox version, the displayed error is "libervia_main ReferenceError: console is not defined"
+            # but none of the following exception class is working: ReferenceError, TypeError, NameError, Exception...
+            # it works when you don't explicit a class, tested with Firefox 3.0.4
+            print message
+            return
+        if level == C.LOG_LVL_DEBUG:
+            console.debug(message)
+        elif level == C.LOG_LVL_INFO:
+            console.info(message)
+        elif level == C.LOG_LVL_WARNING:
+            console.warn(message)
+        else:
+            console.error(message)
+
+
+def configure():
+    fmt = '[%(name)s] %(message)s'
+    log.configure(C.LOG_BACKEND_CUSTOM,
+                  logger_class = LiberviaLogger,
+                  level = C.LOG_LVL_DEBUG,
+                  fmt = fmt,
+                  output = None,
+                  logger = None,
+                  colors = False,
+                  force_colors = False)
+    # FIXME: workaround for Pyjamas, need to be removed when Pyjamas is fixed
+    LiberviaLogger.fmt = fmt