Randomly Execute Alembic Commands in SQLite

This function randomly selects and executes an Alembic command, such as upgrade, downgrade, or show history.

Technology Stack : Alembic, SQLAlchemy

Code Type : Alembic Command Execution

Code Difficulty : Intermediate

                
                    
from alembic import command
from alembic.config import Config
from sqlalchemy import create_engine
import random

def generate_random_migration():
    # Define the database URL
    database_url = "sqlite:///example.db"
    engine = create_engine(database_url)
    
    # Create a new Alembic configuration
    config = Config()
    config.set_main_option('sqlalchemy.url', database_url)
    
    # Define a list of commands to randomly select from
    commands = [
        command.upgrade,
        command.downgrade,
        command.current,
        command.history,
        commandbranches,
        command.show,
        command.init,
        command.config
    ]
    
    # Randomly select a command from the list
    selected_command = random.choice(commands)
    
    # Execute the selected command
    selected_command(config)

# Code Explanation
# This function generates a random Alembic command to be executed against a SQLite database.
# It creates an engine to connect to the database, sets up an Alembic configuration,
# and randomly selects one of the available Alembic commands to be executed.

# JSON Explanation