Initial import from Docker volume

ir/configuration.py

@@ -0,0 +1,48 @@
+# 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.config import config
+from trytond.model import ModelSingleton, ModelSQL, fields
+
+
+class Configuration(ModelSingleton, ModelSQL):
+    'Configuration'
+    __name__ = 'ir.configuration'
+    language = fields.Char('language')
+    hostname = fields.Char("Hostname", strip=False)
+    _get_language_cache = Cache('ir_configuration.get_language')
+
+    @staticmethod
+    def default_language():
+        return config.get('database', 'language')
+
+    @classmethod
+    def get_language(cls):
+        language = cls._get_language_cache.get(None)
+        if language is not None:
+            return language
+        language = cls(1).language
+        if not language:
+            language = config.get('database', 'language')
+        cls._get_language_cache.set(None, language)
+        return language
+
+    def check(self):
+        "Check configuration coherence on pool initialisation"
+        pass
+
+    @classmethod
+    def create(cls, vlist):
+        records = super().create(vlist)
+        cls._get_language_cache.clear()
+        return records
+
+    @classmethod
+    def write(cls, *args):
+        super().write(*args)
+        cls._get_language_cache.clear()
+
+    @classmethod
+    def delete(cls, records):
+        super().delete(records)
+        cls._get_language_cache.clear()