53 lines
1.2 KiB
Python
53 lines
1.2 KiB
Python
from __future__ import annotations
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from logging.config import fileConfig
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from alembic import context
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from flask import current_app
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config = context.config
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if config.config_file_name is not None:
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fileConfig(config.config_file_name)
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target_db = current_app.extensions["migrate"].db
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target_metadata = target_db.metadata
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def get_engine():
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try:
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return target_db.get_engine()
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except TypeError:
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return target_db.engine
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def get_engine_url() -> str:
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return str(get_engine().url).replace("%", "%%")
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def run_migrations_offline() -> None:
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context.configure(
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url=get_engine_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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compare_type=True,
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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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with get_engine().connect() as connection:
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context.configure(connection=connection, target_metadata=target_metadata, compare_type=True)
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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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