64 lines
1.4 KiB
Python
64 lines
1.4 KiB
Python
from logging.config import fileConfig
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from sqlalchemy import engine_from_config
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from sqlalchemy import pool
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from alembic import context
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import sys
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import os
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sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
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from app import create_app
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from app.models import db
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config = context.config
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fileConfig(config.config_file_name)
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target_metadata = db.metadata
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def get_engine():
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app = create_app()
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return app.extensions["sqlalchemy"].engine
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def run_migrations_offline() -> None:
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url = config.get_main_option("sqlalchemy.url")
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context.configure(
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url=url,
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target_metadata=target_metadata,
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literal_binds=True,
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dialect_opts={"paramstyle": "named"},
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)
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with context.begin_transaction():
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context.run_migrations()
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def run_migrations_online() -> None:
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configuration = config.get_section(config.config_ini_section, {})
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configuration["sqlalchemy.url"] = os.environ.get(
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"DATABASE_URL", configuration["sqlalchemy.url"]
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)
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connectable = engine_from_config(
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configuration,
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prefix="sqlalchemy.",
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poolclass=pool.NullPool,
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)
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with connectable.connect() as connection:
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context.configure(connection=connection, target_metadata=target_metadata)
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with context.begin_transaction():
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context.run_migrations()
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if context.is_offline_mode():
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run_migrations_offline()
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else:
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run_migrations_online()
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