Refactored code

src_old/sh_edraft/database/context/base/__init__.py

@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+
+"""
+sh_edraft.database.context.base 
+~~~~~~~~~~~~~~~~~~~
+
+
+
+:copyright: (c) 2020 sh-edraft.de
+:license: MIT, see LICENSE for more details.
+
+"""
+
+__title__ = 'sh_edraft.database.context.base'
+__author__ = 'Sven Heidemann'
+__license__ = 'MIT'
+__copyright__ = 'Copyright (c) 2020 sh-edraft.de'
+__version__ = '2020.12.9'
+
+from collections import namedtuple
+
+# imports:
+from .database_context_base import DatabaseContextBase
+
+VersionInfo = namedtuple('VersionInfo', 'major minor micro')
+version_info = VersionInfo(major=2020, minor=12, micro=9)

src_old/sh_edraft/database/context/base/database_context_base.py

@@ -0,0 +1,27 @@
+from abc import abstractmethod
+
+from sqlalchemy import engine
+from sqlalchemy.orm import Session
+
+from sh_edraft.service.base.service_base import ServiceBase
+
+
+class DatabaseContextBase(ServiceBase):
+
+    @abstractmethod
+    def __init__(self):
+        ServiceBase.__init__(self)
+
+    @property
+    @abstractmethod
+    def engine(self) -> engine: pass
+
+    @property
+    @abstractmethod
+    def session(self) -> Session: pass
+
+    @abstractmethod
+    def connect(self, connection_string: str): pass
+
+    @abstractmethod
+    def _create_tables(self): pass