Zero-dependency Python workflow engine — DAG, @flow, @task, state
Project description
Apex
Motor de workflows em Python — DAG, @flow, @task, state implícito
O que é
Apex é um framework Python zero-dependências para construir workflows, automações e agentes. Transforma funções Python comuns em grafos acíclicos dirigidos (DAGs) analisando o código-fonte em tempo real.
from apex.graph import flow, state
@flow
def meu_workflow():
etapa1()
etapa2()
meu_workflow.run(state={"chave": "valor"})
Quick Start
pip install apex-taskflow
from apex.graph import flow, task, state
@task(retry=2)
def buscar_dados():
state.dados = {"valor": 42}
@task(timeout=10)
def processar():
state.resultado = state.dados["valor"] * 2
@flow
def pipeline():
buscar_dados()
processar()
resultado = pipeline.run()
print(resultado.resultado) # 84
Filosofia
- Zero configuração — decorators e funções padrão
- Implícito por design —
stateglobal por execução sem injeção manual - Tudo é uma task — toda chamada de função vira nó no DAG
- Paralelismo automático — tasks independentes rodam em paralelo
- Visualização nativa — ASCII, SVG, Mermaid, HTML, PNG
Estrutura
apex/
├── __init__.py # from apex.graph import flow, task, state
├── __version__.py # 0.1.0
└── graph/
├── _state.py # State + _StateProxy + contextvars
├── _dag.py # AST walker → DAG + cycle detection
├── _scheduler.py # Flow, @flow, @task, executor, retry, timeout
└── _viz.py # ASCII, SVG, Mermaid, HTML, PNG
Documentação
| Seção | Conteúdo |
|---|---|
| graph — motor de workflows | @flow, @task, state, scheduler, DAG |
| Exemplos completos | Pipeline, e-commerce, ReAct, padrões |
Licença
MIT — veja LICENSE.
Project details
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