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57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
"""
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Async migrations handler for FastAPI application.
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This file is separate from env.py to avoid Alembic context issues.
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"""
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import os
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import sys
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from sqlalchemy.ext.asyncio import create_async_engine
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from sqlalchemy import pool
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# Ensure the app directory is in the Python path
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sys.path.insert(0, os.path.realpath(os.path.join(os.path.dirname(__file__), '..')))
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from app.database import Base as DatabaseBase
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from app.config import settings
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async def run_migrations():
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"""Run database migrations asynchronously."""
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from alembic.runtime.migration import MigrationContext
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from alembic.operations import Operations
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# Create async engine
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engine = create_async_engine(
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settings.DATABASE_URL,
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poolclass=pool.NullPool,
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)
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async with engine.connect() as connection:
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# Get current database schema version
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def do_get_current_rev(conn):
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migration_context = MigrationContext.configure(
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conn,
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opts={
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'target_metadata': DatabaseBase.metadata,
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'compare_type': True,
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'compare_server_default': True
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}
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)
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return migration_context.get_current_revision()
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current_rev = await connection.run_sync(do_get_current_rev)
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# Run migrations
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def do_upgrade(conn):
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migration_context = MigrationContext.configure(
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conn,
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opts={
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'target_metadata': DatabaseBase.metadata,
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'compare_type': True,
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'compare_server_default': True
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}
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)
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with Operations.context(migration_context):
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migration_context.run_migrations()
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await connection.run_sync(do_upgrade)
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await engine.dispose() |