852e0a32b1
- Set up project structure - Create FastAPI app with health endpoint - Implement SQLAlchemy with SQLite database - Set up Alembic for database migrations - Create CRUD operations for items - Add comprehensive documentation
70 lines
1.8 KiB
Python
70 lines
1.8 KiB
Python
import os
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import sys
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from logging.config import fileConfig
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from alembic import context
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from sqlalchemy import engine_from_config, pool
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# Add the project directory to the sys.path
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sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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# Import the SQLAlchemy models
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from app.db.session import Base
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# This is the Alembic Config object
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config = context.config
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# Interpret the config file for Python logging
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fileConfig(config.config_file_name)
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# Set target metadata for autogenerate
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target_metadata = Base.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 and not an Engine,
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though an Engine is acceptable here as well.
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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 and associate a
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connection with the context.
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"""
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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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is_sqlite = connection.dialect.name == "sqlite"
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context.configure(
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connection=connection,
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target_metadata=target_metadata,
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render_as_batch=is_sqlite, # This is important for SQLite to handle migrations properly
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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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