75 lines
2.2 KiB
Python
75 lines
2.2 KiB
Python
"""Flask-Migrate environment configuration."""
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import os
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import sys
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# Add the parent directory to the path so we can import the app
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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# Load environment variables
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from dotenv import load_dotenv
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load_dotenv(dotenv_path=os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), '.env'))
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# Import the Flask app and db
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from gatehouse_app import create_app
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from gatehouse_app.extensions import db
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# Get the app
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app = create_app(os.getenv("FLASK_ENV", "development"))
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# Set the Flask application context
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with app.app_context():
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from alembic import context
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# this is the Alembic Config object, which provides access
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# to the values within the .ini file in use.
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config = context.config
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# Set the SQLAlchemy URL from the app config
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config.set_main_option('sqlalchemy.url', app.config.get('SQLALCHEMY_DATABASE_URI'))
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# Set the target metadata
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target_metadata = db.metadata
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def run_migrations_offline():
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"""Run migrations in 'offline' mode.
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This configures the context with just a URL
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and not an Engine, though an Engine is acceptable
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here too. By skipping the Engine creation
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we don't even need a DBAPI to be available.
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"""
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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():
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"""Run migrations in 'online' mode.
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In this scenario we need to create an Engine
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and associate a connection with the context.
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"""
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connection = db.engine.connect()
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context.configure(
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connection=connection,
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target_metadata=target_metadata
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)
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try:
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with context.begin_transaction():
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context.run_migrations()
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finally:
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connection.close()
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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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