migrateit 0.4.1

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Handle database migrations with ease managing your database changes with simple SQL files. Make the migration process easier, more manageable and repeteable.

How does this work

Installation

pip install migrateit

Configuration

Configurations can be changed as environment variables.

# basic configuration
MIGRATEIT_DATABASE=postgresql
MIGRATEIT_MIGRATIONS_TABLE=MIGRATEIT_CHANGELOG
MIGRATEIT_MIGRATIONS_DIR=migrateit

# change the database connection variables
VARNAME_DB_URL=DB_URL
VARNAME_DB_HOST=DB_HOST
VARNAME_DB_PORT=DB_PORT
VARNAME_DB_USER=DB_USER
VARNAME_DB_PASS=DB_PASS
VARNAME_DB_NAME=DB_NAME


# database configuration
DB_URL=postgresql://postgres:postgres@localhost:5432/postgres
# -------- or ----------
DB_HOST=localhost
DB_PORT=5432
DB_NAME=postgres
DB_USER=postgres
DB_PASS=postgres

Usage

# initialize MigrateIt to create:
# - database table in the configured database
# - 'migrations' directory inside the MIGRATIONS_DIR
# - 'changelog.json' file inside the MIGRATIONS_DIR
migrateit init

# create a new migration file
migrateit newmigration first_migration

# add your sql commands to the migration file
echo "CREATE TABLE test (id SERIAL PRIMARY KEY, name VARCHAR(50));" > migrateit/migrations/0000_first_migration.sql

# show pending migrations
migrateit showmigrations

# run the migrations
migrateit migrate

# or run a given migration
migrateit migrate 0000

Example

-- Migration 0000_user.sql
-- Created on 2025-05-15T19:55:18.711752

CREATE TABLE IF NOT EXISTS users (
	id SERIAL PRIMARY KEY,
	email TEXT NOT NULL UNIQUE,
	given_name TEXT,
	family_name TEXT,
	picture TEXT,
	created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

-- Rollback migration

DROP TABLE IF EXISTS users;

Help

usage: migrateit newmigration [-h] name

positional arguments:
  name        Name of the new migration

options:
  -h, --help  show this help message and exit

usage: migrateit migrate [-h] [--fake] [--update-hash] [--rollback] [name]

positional arguments:
  name           Name of the migration to run

options:
  -h, --help     show this help message and exit
  --fake         Fakes the migration marking it as ran.
  --update-hash  Update the hash of the migration.
  --rollback     Undo the given migration and all its applied childs.

usage: migrateit showmigrations [-h] [--validate-sql]

options:
  -h, --help      show this help message and exit
  --validate-sql  Validate SQL migration sintax.