Initial import from Docker volume

ir/message.py

@@ -0,0 +1,46 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+from trytond.cache import Cache
+from trytond.model import ModelSQL, ModelView, fields
+from trytond.pool import Pool
+from trytond.transaction import Transaction
+
+
+class Message(ModelSQL, ModelView):
+    "Message"
+    __name__ = "ir.message"
+
+    _message_cache = Cache('ir.message', context=False)
+    text = fields.Text("Text", required=True, translate=True)
+
+    @classmethod
+    def gettext(cls, *args, **variables):
+        pool = Pool()
+        ModelData = pool.get('ir.model.data')
+        module, message_id, language = args
+
+        key = (module, message_id, language)
+        text = cls._message_cache.get(key)
+        if text is None:
+            message_id = ModelData.get_id(module, message_id)
+            with Transaction().set_context(language=language):
+                message = cls(message_id)
+
+            text = message.text
+            cls._message_cache.set(key, text)
+        return text if not variables else text % variables
+
+    @classmethod
+    def write(cls, messages, values, *args):
+        super(Message, cls).write(messages, values, *args)
+        cls._message_cache.clear()
+
+    @classmethod
+    def delete(cls, messages):
+        super(Message, cls).delete(messages)
+        cls._message_cache.clear()
+
+    @classmethod
+    def search_rec_name(cls, name, clause):
+        return [('text',) + tuple(clause[1:])]