async completely fixed

migrations/README

@@ -1 +1 @@
-Generic single-database configuration.
+Generic single-database configuration with an async dbapi.

migrations/env.py

@@ -1,11 +1,12 @@
+import asyncio
 from logging.config import fileConfig
 
-from sqlalchemy import engine_from_config
 from sqlalchemy import pool
+from sqlalchemy.engine import Connection
+from sqlalchemy.ext.asyncio import async_engine_from_config
 
 from alembic import context
 
-
 from back import auxiliary_for_alembic, db
 
 # this is the Alembic Config object, which provides
@@ -17,6 +18,10 @@ config = context.config
 if config.config_file_name is not None:
     fileConfig(config.config_file_name)
 
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
 target_metadata = auxiliary_for_alembic.Base.metadata
 
 # other values from the config, defined by the needs of env.py,
@@ -25,7 +30,7 @@ target_metadata = auxiliary_for_alembic.Base.metadata
 # ... etc.
 
 
-def run_migrations_offline():
+def run_migrations_offline() -> None:
     """Run migrations in 'offline' mode.
 
     This configures the context with just a URL
@@ -37,44 +42,49 @@ def run_migrations_offline():
     script output.
 
     """
-    # url = config.get_main_option("sqlalchemy.url")
     url = config.get_main_option(db.SQLALCHEMY_DATABASE_URL)
     context.configure(
         url=url,
         target_metadata=target_metadata,
         literal_binds=True,
         dialect_opts={"paramstyle": "named"},
-        render_as_batch=True
     )
 
     with context.begin_transaction():
         context.run_migrations()
 
 
-def run_migrations_online():
-    """Run migrations in 'online' mode.
+def do_run_migrations(connection: Connection) -> None:
+    context.configure(connection=connection, target_metadata=target_metadata)
 
-    In this scenario we need to create an Engine
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+async def run_async_migrations() -> None:
+    """In this scenario we need to create an Engine
     and associate a connection with the context.
 
     """
+
     configuration = config.get_section(config.config_ini_section)
     configuration['sqlalchemy.url'] = db.SQLALCHEMY_DATABASE_URL
-    connectable = engine_from_config(
+    connectable = async_engine_from_config(
         configuration,
         prefix="sqlalchemy.",
         poolclass=pool.NullPool,
     )
 
-    with connectable.connect() as connection:
-        context.configure(
-            connection=connection,
-            target_metadata=target_metadata,
-            render_as_batch=True
-        )
+    async with connectable.connect() as connection:
+        await connection.run_sync(do_run_migrations)
 
-        with context.begin_transaction():
-            context.run_migrations()
+    await connectable.dispose()
+
+
+def run_migrations_online() -> None:
+    """Run migrations in 'online' mode."""
+
+    asyncio.run(run_async_migrations())
 
 
 if context.is_offline_mode():

migrations/script.py.mako

@@ -5,20 +5,22 @@ Revises: ${down_revision | comma,n}
 Create Date: ${create_date}
 
 """
+from typing import Sequence, Union
+
 from alembic import op
 import sqlalchemy as sa
 ${imports if imports else ""}
 
 # revision identifiers, used by Alembic.
-revision = ${repr(up_revision)}
-down_revision = ${repr(down_revision)}
-branch_labels = ${repr(branch_labels)}
-depends_on = ${repr(depends_on)}
+revision: str = ${repr(up_revision)}
+down_revision: Union[str, None] = ${repr(down_revision)}
+branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)}
+depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)}
 
 
-def upgrade():
+def upgrade() -> None:
     ${upgrades if upgrades else "pass"}
 
 
-def downgrade():
+def downgrade() -> None:
     ${downgrades if downgrades else "pass"}

migrations/versions/8e631a2fe6b8_lazy_selectin_added_to_user_table_.py

@@ -0,0 +1,30 @@
+"""lazy=selectin added to user table relationships
+
+Revision ID: 8e631a2fe6b8
+Revises: 
+Create Date: 2023-09-02 23:45:08.799366
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '8e631a2fe6b8'
+down_revision: Union[str, None] = None
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    pass
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    pass
+    # ### end Alembic commands ###