Added migrations to update command #114

src/cpl_cli/migrations/__init__.py

@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+
+"""
+cpl-cli sh-edraft Common Python library CLI
+~~~~~~~~~~~~~~~~~~~
+
+sh-edraft Common Python library Command Line Interface
+
+:copyright: (c) 2020 - 2022 sh-edraft.de
+:license: MIT, see LICENSE for more details.
+
+"""
+
+__title__ = 'cpl_cli.migrations'
+__author__ = 'Sven Heidemann'
+__license__ = 'MIT'
+__copyright__ = 'Copyright (c) 2020 - 2022 sh-edraft.de'
+__version__ = '2022.10.11'
+
+from collections import namedtuple
+
+
+# imports
+
+VersionInfo = namedtuple('VersionInfo', 'major minor micro')
+version_info = VersionInfo(major='2022', minor='10', micro='11')

src/cpl_cli/migrations/base/__init__.py

@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+
+"""
+cpl-cli sh-edraft Common Python library CLI
+~~~~~~~~~~~~~~~~~~~
+
+sh-edraft Common Python library Command Line Interface
+
+:copyright: (c) 2020 - 2022 sh-edraft.de
+:license: MIT, see LICENSE for more details.
+
+"""
+
+__title__ = 'cpl_cli.migrations.base'
+__author__ = 'Sven Heidemann'
+__license__ = 'MIT'
+__copyright__ = 'Copyright (c) 2020 - 2022 sh-edraft.de'
+__version__ = '2022.10.11'
+
+from collections import namedtuple
+
+
+# imports:
+
+VersionInfo = namedtuple('VersionInfo', 'major minor micro')
+version_info = VersionInfo(major='2022', minor='10', micro='11')

src/cpl_cli/migrations/base/migration_abc.py

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+from abc import ABC, abstractmethod
+
+
+class MigrationABC(ABC):
+
+    @abstractmethod
+    def __init__(self, version: str):
+        self._version = version
+
+    @property
+    def version(self) -> str:
+        return self._version
+
+    @abstractmethod
+    def migrate(self): pass

src/cpl_cli/migrations/base/migration_service_abc.py

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+from abc import ABC, abstractmethod
+
+
+class MigrationServiceABC(ABC):
+
+    @abstractmethod
+    def __init__(self): pass
+
+    @abstractmethod
+    def migrate_from(self, version: str): pass

src/cpl_cli/migrations/migration_2022_10.py

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+from cpl_cli.migrations.base.migration_abc import MigrationABC
+
+
+class Migration202210(MigrationABC):
+
+    def __init__(self):
+        MigrationABC.__init__(self, '2022.10')
+
+    def migrate(self):
+        # This migration could be deleted, but stays as an example.
+        pass

src/cpl_cli/migrations/service/__init__.py

@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+
+"""
+cpl-cli sh-edraft Common Python library CLI
+~~~~~~~~~~~~~~~~~~~
+
+sh-edraft Common Python library Command Line Interface
+
+:copyright: (c) 2020 - 2022 sh-edraft.de
+:license: MIT, see LICENSE for more details.
+
+"""
+
+__title__ = 'cpl_cli.migrations.service'
+__author__ = 'Sven Heidemann'
+__license__ = 'MIT'
+__copyright__ = 'Copyright (c) 2020 - 2022 sh-edraft.de'
+__version__ = '2022.10.11'
+
+from collections import namedtuple
+
+
+# imports:
+
+VersionInfo = namedtuple('VersionInfo', 'major minor micro')
+version_info = VersionInfo(major='2022', minor='10', micro='11')

src/cpl_cli/migrations/service/migration_service.py

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+from packaging import version
+
+from cpl_cli.migrations.base.migration_abc import MigrationABC
+from cpl_cli.migrations.base.migration_service_abc import MigrationServiceABC
+from cpl_core.dependency_injection import ServiceProviderABC
+
+
+class MigrationService(MigrationServiceABC):
+
+    def __init__(self, services: ServiceProviderABC):
+        MigrationServiceABC.__init__(self)
+
+        self._services = services
+
+    def migrate_from(self, _v: str):
+        for migration_type in MigrationABC.__subclasses__():
+            migration: MigrationABC = self._services.get_service(migration_type)
+            if version.parse(migration.version) <= version.parse(_v):
+                continue
+
+            migration.migrate()