Description:
kant 2.1.0
# Kant Framework[](https://travis-ci.org/patrickporto/kant)[](https://codecov.io/github/patrickporto/kant?branch=master)[](https://pypi.python.org/pypi/kant)[](https://pypi.python.org/pypi/kant)[](https://pypi.python.org/pypi/kant)A CQRS and Event Sourcing framework, safe for humans.## Feature Support* Event Store* Optimistic concurrency control* JSON serialization* SQLAlchemy Projections* Snapshots **[IN PROGRESS]**Kant officially supports Python 3.5-3.6.## Getting startedCreate declarative events```pythonfrom kant import eventsclass BankAccountCreated(events.Event): id = events.CUIDField(primary_key=True) owner = events.CharField()class DepositPerformed(events.Event): amount = events.DecimalField()```Create aggregate to apply events```pythonfrom kant import aggregatesclass BankAccount(aggregates.Aggregate): id = aggregates.CUIDField() owner = aggregates.CharField() balance = aggregates.DecimalField() def apply_bank_account_created(self, event): self.id = event.id self.owner = event.owner self.balance = 0 def apply_deposit_performed(self, event): self.balance += event.amount```Now, save the events```pythonfrom kant.eventstore import connectawait connect(user='user', password='user', database='database')# create event store for bank_accountconn.create_keyspace('bank_account')# create eventsbank_account_created = BankAccountCreated( id=123, owner='John Doe',)deposit_performed = DepositPerformed( amount=20,)bank_account = BankAccount()bank_account.dispatch([bank_account_created, deposit_performed])bank_account.save()stored_bank_account = BankAccount.objects.get(123)```## InstallingTo install Kant, simply use [pipenv](pipenv.org) (or pip)```bash$ pipenv install kant```## ContributingPlease, read the contribute guide [CONTRIBUTING](CONTRIBUTING.md).
License
For personal and professional use. You cannot resell or redistribute these repositories in their original state.
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