??

src/plugins/nonebot_bison/config/db.py

@@ -3,8 +3,12 @@ from pathlib import Path
 import nonebot
 from alembic import command
 from alembic.config import Config
+from alembic.runtime.environment import EnvironmentContext
+from alembic.script.base import ScriptDirectory
 from nonebot_plugin_datastore import PluginData, create_session, db
 
+from .db_model import Base
+
 DATA = PluginData("bison")
 
 
@@ -16,3 +20,20 @@ async def upgrade_db():
     )
     alembic_cfg.set_main_option("sqlalchemy.url", "")
     command.upgrade(alembic_cfg, "head")
+
+    script = ScriptDirectory.from_config(alembic_cfg)
+
+    def upgrade(rev, context):
+        return script._upgrade_revs("head", rev)
+
+    with EnvironmentContext(
+        alembic_cfg,
+        script,
+        fn=upgrade,
+        as_sql=False,
+        starting_rev=None,
+        destination_rev="head",
+        tag=None,
+        target_metadata=Base.metadata,
+    ):
+        script.run_env()

src/plugins/nonebot_bison/config/migrate/env.py

@@ -24,13 +24,13 @@ import nonebot
 try:
     nonebot.get_driver()
     __as_plugin = True
+    target_metadata = None
 except:
     __as_plugin = False
     nonebot.init()
+    from nonebot_bison.config.db_model import Base
 
-from nonebot_bison.config.db_model import Base
+    target_metadata = Base.metadata
-
-target_metadata = Base.metadata
 
 # other values from the config, defined by the needs of env.py,
 # can be acquired:
@@ -63,7 +63,10 @@ def run_migrations_offline():
 
 
 def do_run_migration(connection: Connection):
-    context.configure(connection=connection, target_metadata=target_metadata)
+    if __as_plugin:
+        context.configure(connection=connection)
+    else:
+        context.configure(connection=connection, target_metadata=target_metadata)
 
     with context.begin_transaction():
         context.run_migrations()