Add Cloudron packaging for Maubot

maubot-src/maubot/loader/meta.py

@@ -0,0 +1,69 @@
+# maubot - A plugin-based Matrix bot system.
+# Copyright (C) 2022 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from typing import List, Optional
+
+from attr import dataclass
+from packaging.version import InvalidVersion, Version
+
+from mautrix.types import (
+    ExtensibleEnum,
+    SerializableAttrs,
+    SerializerError,
+    deserializer,
+    serializer,
+)
+
+from ..__meta__ import __version__
+
+
+@serializer(Version)
+def serialize_version(version: Version) -> str:
+    return str(version)
+
+
+@deserializer(Version)
+def deserialize_version(version: str) -> Version:
+    try:
+        return Version(version)
+    except InvalidVersion as e:
+        raise SerializerError("Invalid version") from e
+
+
+class DatabaseType(ExtensibleEnum):
+    SQLALCHEMY = "sqlalchemy"
+    ASYNCPG = "asyncpg"
+
+
+@dataclass
+class PluginMeta(SerializableAttrs):
+    id: str
+    version: Version
+    modules: List[str]
+    main_class: str
+
+    maubot: Version = Version(__version__)
+    database: bool = False
+    database_type: DatabaseType = DatabaseType.SQLALCHEMY
+    config: bool = False
+    webapp: bool = False
+    license: str = ""
+    extra_files: List[str] = []
+    dependencies: List[str] = []
+    soft_dependencies: List[str] = []
+
+    @property
+    def database_type_str(self) -> Optional[str]:
+        return self.database_type.value if self.database else None