107 lines
3.9 KiB
Python
Executable file
107 lines
3.9 KiB
Python
Executable file
from __future__ import annotations
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import os
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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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from adapters.db.session import Base
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from app.core.settings import get_settings
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import adapters.db.models # noqa: F401 # Import models to register metadata
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import adapters.db.models.crm_chat # noqa: F401 # CRM embed chat tables
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import adapters.db.models.business_crm_settings # noqa: F401
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# this is the Alembic Config object, which provides
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# access to the values within the .ini file in use.
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config = context.config
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# Interpret the config file for Python logging.
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# This line sets up loggers basically.
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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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# add your model's MetaData object here
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# for 'autogenerate' support
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# from myapp import mymodel
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# target_metadata = mymodel.Base.metadata
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settings = get_settings()
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# استفاده از رمز از .env (pydantic-settings)؛ override فقط اگر DB_PASSWORD در محیط ست شده
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if (pw := os.getenv('DB_PASSWORD')) is not None:
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settings.db_password = pw
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from urllib.parse import quote_plus
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dsn = f"postgresql+psycopg2://{settings.db_user}:{quote_plus(settings.db_password)}@{settings.db_host}:{settings.db_port}/{settings.db_name}"
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# Set DSN directly in attributes to avoid ConfigParser % interpolation issues
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config.attributes['sqlalchemy.url'] = dsn
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target_metadata = Base.metadata
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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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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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# Get DSN from attributes (set above) or config
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url = config.attributes.get('sqlalchemy.url') or config.get_main_option("sqlalchemy.url")
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connectable = engine_from_config(
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{"sqlalchemy.url": url},
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prefix="sqlalchemy.",
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poolclass=pool.NullPool,
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)
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# Ensure alembic_version exists with version_num VARCHAR(255) for long revision IDs.
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# Run in a separate connection so any failure doesn't abort the migration transaction.
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with connectable.connect() as aux:
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with aux.begin():
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try:
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res = aux.exec_driver_sql(
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"SELECT 1 FROM information_schema.tables "
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"WHERE table_schema='public' AND table_name='alembic_version';"
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)
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if res.fetchone() is None:
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# Table doesn't exist: create with VARCHAR(255) so Alembic won't create it with VARCHAR(32)
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aux.exec_driver_sql(
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"CREATE TABLE public.alembic_version (version_num VARCHAR(255) PRIMARY KEY);"
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)
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else:
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# Table exists: expand version_num if too short
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res = aux.exec_driver_sql(
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"SELECT character_maximum_length FROM information_schema.columns "
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"WHERE table_schema='public' AND table_name='alembic_version' AND column_name='version_num';"
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)
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row = res.fetchone()
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if row is not None and (row[0] or 0) < 255:
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aux.exec_driver_sql(
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"ALTER TABLE public.alembic_version ALTER COLUMN version_num TYPE VARCHAR(255);"
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)
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except Exception:
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# Best-effort; ignore errors
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pass
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with connectable.begin() as connection:
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context.configure(
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connection=connection,
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target_metadata=target_metadata,
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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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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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