Andrey K. Choi
9af84db429
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58 lines
1.6 KiB
Python
58 lines
1.6 KiB
Python
from __future__ import annotations
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import os, sys
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from logging.config import fileConfig
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from sqlalchemy import engine_from_config, pool
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from alembic import context
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config = context.config
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# Возьми URL из переменных контейнера
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db_url = os.getenv("DATABASE_URL")
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if db_url:
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config.set_main_option("sqlalchemy.url", db_url)
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# Лог-конфиг (без падения, если секций нет)
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cfg_name = config.config_file_name
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if cfg_name:
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try:
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fileConfig(cfg_name)
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except Exception:
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pass
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# Обеспечим PYTHONPATH=/app для импорта пакета app
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ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
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if ROOT not in sys.path:
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sys.path.insert(0, ROOT)
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# Метаданные моделей
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from app.models.base import Base # noqa
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target_metadata = Base.metadata
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def run_migrations_offline():
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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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connectable = engine_from_config(
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config.get_section(config.config_ini_section, {}),
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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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