Versioning and auditing extension for PostgreSQL and SQLAlchemy.
Project description
Auditing extension for PostgreSQL. Provides additional extensions for SQLAlchemy and Flask. PostgreSQL-Audit tries to combine the best of breed from existing solutions such as SQLAlchemy-Continuum, Papertrail and especially Audit Trigger by 2nd Quadrant.
Compared to existing solutions PostgreSQL-Audit has the following charasteristics:
Stores all versions into single table called ‘activity’
Uses minimalistic trigger based approach to keep INSERTs, UPDATEs and DELETEs as fast as possible
- Tracks actor IDs to be able to answer these questions quickly:
Who modified record x on day x?
What did person x do between y and z?
Can you show me the activity history of record x?
Installation
pip install PostgreSQL-Audit
Running the tests
git clone https://github.com/kvesteri/postgresql-audit.git cd postgresql-audit pip install tox createdb postgresql_audit_test tox
Flask extension
from postgresql_audit.flask import versioning_manager
from my_app.extensions import db
versioning_manager.init(db.Model)
class Article(db.Model):
__tablename__ = 'article'
__versioned__ = {} # <- IMPORTANT!
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String)
article = Article(name='Some article')
db.session.add(article)
db.session.commit()Now we can check the newly created activity.
Activity = versioning_manager.activity_cls
activity = Activity.query.first()
activity.id # 1
activity.table_name # 'article'
activity.verb # 'insert'
activity.old_data # None
activity.changed_data # {'id': '1', 'name': 'Some article'}article.name = 'Some other article'
db.session.commit()
activity = Activity.query.order_by(db.desc(Activity.id)).first()
activity.id # 2
activity.table_name # 'article'
activity.verb # 'update'
activity.object_id # 1
activity.old_data # {'id': '1', 'name': 'Some article'}
activity.changed_data # {'name': 'Some other article'}db.session.delete(article)
db.session.commit()
activity = Activity.query.order_by(db.desc(Activity.id)).first()
activity.id # 3
activity.table_name # 'article'
activity.verb # 'delete'
activity.object_id # 1
activity.old_data # {'id': '1', 'name': 'Some other article'}
activity.changed_data # NoneRelease history Release notifications | RSS feed
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