Saga orchestration framework inspired by Eventuate Tram
Project description
PyTram
PyTram é um framework Python para orquestração de Sagas assíncronas, inspirado no Eventuate Tram. Ele foi criado para facilitar a coordenação de transações distribuídas em sistemas baseados em microsserviços.
✨ Recursos
- Orquestração de Sagas com múltiplos passos
- Suporte a comandos e compensações
- Adaptador para RabbitMQ (via
aio-pika) - Repositório de Sagas em memória
- Suporte a tolerância a falhas via
pyfaulttolerance - Totalmente assíncrono e extensível
📦 Instalação
Você pode instalar via PyPI:
pip install pytram-saga
🚀 Exemplo de Uso
from pytram.saga.step import SagaStep
from pytram.saga.orchestrator import SagaOrchestrator
from pytram.persistence.memory import InMemorySagaRepository
from pytram.messaging.rabbitmq import RabbitMQAdapter
async def main():
broker = RabbitMQAdapter("amqp://user:pass@host/vhost")
await broker.connect()
steps = [
SagaStep(command="step1"),
SagaStep(command="step2", compensation="compensate_step2"),
SagaStep(command="step3")
]
repo = InMemorySagaRepository()
orchestrator = SagaOrchestrator("MySaga", steps, broker, repo)
await orchestrator.start("saga-001", {"user_id": 42, "amount": 100.0})
📚 Estrutura da Arquitetura
+--------------------+
| SagaOrchestrator |
+---------+----------+
|
v
+--------------------+
| SagaStep Executor |
+---------+----------+
|
v
+--------------------+
| RabbitMQAdapter | ---> Fila de Comando (via aio-pika)
+--------------------+
Repositório: InMemorySagaRepository
🙋 Contribuições
Contribuições são bem-vindas! Por favor, abra um issue ou envie um pull request.
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