1 files changed, 88 insertions, 0 deletions
diff --git a/addons/web/common/dates.py b/addons/web/common/dates.py
new file mode 100644
index 00000000000..caa7f83c84a
--- /dev/null
+++ b/addons/web/common/dates.py
@@ -0,0 +1,88 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
+#    Copyright (C) 2010 OpenERP s.a. (<http://openerp.com>).
+#
+#    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/>.
+#
+##############################################################################
+
+import datetime
+
+DEFAULT_SERVER_DATE_FORMAT = "%Y-%m-%d"
+DEFAULT_SERVER_TIME_FORMAT = "%H:%M:%S"
+DEFAULT_SERVER_DATETIME_FORMAT = "%s %s" % (
+    DEFAULT_SERVER_DATE_FORMAT,
+    DEFAULT_SERVER_TIME_FORMAT)
+
+def str_to_datetime(str):
+    """
+    Converts a string to a datetime object using OpenERP's
+    datetime string format (exemple: '2011-12-01 15:12:35').
+    
+    No timezone information is added, the datetime is a naive instance, but
+    according to OpenERP 6.1 specification the timezone is always UTC.
+    """
+    if not str:
+        return str
+    return datetime.datetime.strptime(str, DEFAULT_SERVER_DATETIME_FORMAT)
+
+def str_to_date(str):
+    """
+    Converts a string to a date object using OpenERP's
+    date string format (exemple: '2011-12-01').
+    """
+    if not str:
+        return str
+    return datetime.datetime.strptime(str, DEFAULT_SERVER_DATE_FORMAT).date()
+
+def str_to_time(str):
+    """
+    Converts a string to a time object using OpenERP's
+    time string format (exemple: '15:12:35').
+    """
+    if not str:
+        return str
+    return datetime.datetime.strptime(str, DEFAULT_SERVER_TIME_FORMAT).time()
+
+def datetime_to_str(obj):
+    """
+    Converts a datetime object to a string using OpenERP's
+    datetime string format (exemple: '2011-12-01 15:12:35').
+    
+    The datetime instance should not have an attached timezone and be in UTC.
+    """
+    if not obj:
+        return False
+    return obj.strftime(DEFAULT_SERVER_DATETIME_FORMAT)
+
+def date_to_str(obj):
+    """
+    Converts a date object to a string using OpenERP's
+    date string format (exemple: '2011-12-01').
+    """
+    if not obj:
+        return False
+    return obj.strftime(DEFAULT_SERVER_DATE_FORMAT)
+
+def time_to_str(obj):
+    """
+    Converts a time object to a string using OpenERP's
+    time string format (exemple: '15:12:35').
+    """
+    if not obj:
+        return False
+    return obj.strftime(DEFAULT_SERVER_TIME_FORMAT)