Fork of peewee-migrate with active support
Project description
Peewee Migrate 2 – A simple migration engine for Peewee
Why Fork?
It’s a fork of original https://github.com/klen/peewee_migrate. Thank klen for that!
But klen don’t support project for a long time.
To fix critical issues project was forked and development continued.
Requirements
python >= 3.6
peewee >= 3.3.1
Dependency Note
For Peewee<3.0 please use Peewee-Migrate==0.14.0.
Installation
To reduce code changes Python package name don’t changed. Only name on PyPI.
If you have installed previous version please remove it before using pip:
pip uninstall peewee_migrate
Peewee Migrate should be installed using pip:
pip install peewee_migrate2
Usage
Do you want Flask integration? Look at Flask-PW.
From shell
Getting help:
$ pw_migrate --help Usage: pw_migrate [OPTIONS] COMMAND [ARGS]... Options: --help Show this message and exit. Commands: create Create migration. migrate Run migrations. rollback Rollback migration.
Create migration:
$ pw_migrate create --help Usage: pw_migrate create [OPTIONS] NAME Create migration. Options: --auto FLAG Scan sources and create db migrations automatically. Supports autodiscovery. --auto-source TEXT Set to python module path for changes autoscan (e.g. 'package.models'). Current directory will be recursively scanned by default. --database TEXT Database connection --directory TEXT Directory where migrations are stored --schema TEXT Database schema -v, --verbose --help Show this message and exit.
Run migrations:
$ pw_migrate migrate --help Usage: pw_migrate migrate [OPTIONS] Run migrations. Options: --name TEXT Select migration --database TEXT Database connection --directory TEXT Directory where migrations are stored --schema TEXT Database schema -v, --verbose --help Show this message and exit.
Auto create migration:
$ pw_migrate makemigrations --help Usage: pw_migrate makemigrations [OPTIONS] Create a migration automatically Similar to `create` command, but `auto` is True by default, and `name` not required Options: --name TEXT Migration file name. By default will be 'auto_YYYYmmdd_HHMM' --auto Scan sources and create db migrations automatically. Supports autodiscovery. --auto-source TEXT Set to python module path for changes autoscan (e.g. 'package.models'). Current directory will be recursively scanned by default. --database TEXT Database connection --directory TEXT Directory where migrations are stored --schema TEXT Database schema -v, --verbose --help Show this message and exit.
From python
from peewee_migrate import Router from peewee import SqliteDatabase router = Router(SqliteDatabase('test.db')) # Create migration router.create('migration_name') # Run migration/migrations router.run('migration_name') # Run all unapplied migrations router.run()
Migration files
By default, migration files are looked up in os.getcwd()/migrations directory, but custom directory can be given.
Migration files are sorted and applied in ascending order per their filename.
Each migration file must specify migrate() function and may specify rollback() function:
def migrate(migrator, database, fake=False, **kwargs): pass def rollback(migrator, database, fake=False, **kwargs): pass
Bug tracker
If you have any suggestions, bug reports or annoyances please report them to the issue tracker at https://github.com/spumer/peewee_migrate2/issues
Contributing
Development of starter happens at github: https://github.com/spumer/peewee_migrate2
Contributors
See AUTHORS.rst
License
Licensed under a BSD license.
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