Initial import from Docker volume

backend/__init__.py

@@ -0,0 +1,39 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+import importlib
+import urllib.parse
+
+try:
+    from backports.entry_points_selectable import entry_points
+except ImportError:
+    from importlib.metadata import entry_points
+
+from trytond.config import config
+
+__all__ = [
+    'name', 'Database', 'TableHandler',
+    'DatabaseIntegrityError', 'DatabaseDataError', 'DatabaseOperationalError',
+    'DatabaseTimeoutError']
+
+
+name = urllib.parse.urlparse(config.get('database', 'uri', default='')).scheme
+
+_modname = 'trytond.backend.%s' % name
+try:
+    _module = importlib.import_module(_modname)
+except ImportError:
+    for ep in entry_points().select(group='trytond.backend', name=name):
+        try:
+            _module = ep.load()
+            break
+        except ImportError:
+            continue
+    else:
+        raise
+
+Database = _module.Database
+DatabaseIntegrityError = _module.DatabaseIntegrityError
+DatabaseDataError = _module.DatabaseDataError
+DatabaseOperationalError = _module.DatabaseOperationalError
+DatabaseTimeoutError = _module.DatabaseTimeoutError
+TableHandler = _module.TableHandler