# python-cqrs

> Документация по библиотеке python-cqrs. Паттерны CQRS, Saga, Mediator и Event Driven на Python.

python-cqrs is a Python framework for CQRS, Saga, Mediator, and event-driven
architectures. Use these docs for bootstrap, request/event handlers, transaction
outbox, streaming, FastAPI/FastStream integrations, and distributed sagas.
The full text of every current page is in https://mkdocs.python-cqrs.dev/llms-full.txt


## Getting started

- [Home](https://mkdocs.python-cqrs.dev/latest/index.md)
- [Installation](https://mkdocs.python-cqrs.dev/latest/installation/index.md)
- [Migration 4→5](https://mkdocs.python-cqrs.dev/latest/migration/4-to-5/index.md)

## Bootstrap

- [Overview](https://mkdocs.python-cqrs.dev/latest/bootstrap/index.md)
- [Advanced](https://mkdocs.python-cqrs.dev/latest/bootstrap/advanced/index.md)
- [DI Containers](https://mkdocs.python-cqrs.dev/latest/bootstrap/di_containers/index.md)
- [Event Mediator](https://mkdocs.python-cqrs.dev/latest/bootstrap/event_mediator/index.md)
- [Message Brokers](https://mkdocs.python-cqrs.dev/latest/bootstrap/message_brokers/index.md)
- [Middlewares](https://mkdocs.python-cqrs.dev/latest/bootstrap/middlewares/index.md)
- [Request Mediator](https://mkdocs.python-cqrs.dev/latest/bootstrap/request_mediator/index.md)
- [Saga Mediator](https://mkdocs.python-cqrs.dev/latest/bootstrap/saga_mediator/index.md)
- [Streaming Mediator](https://mkdocs.python-cqrs.dev/latest/bootstrap/streaming_mediator/index.md)

## Dependency injection

- [Dependency Injection](https://mkdocs.python-cqrs.dev/latest/di/index.md)
- [Overview](https://mkdocs.python-cqrs.dev/latest/scoped_dependencies/index.md)
- [Advanced](https://mkdocs.python-cqrs.dev/latest/scoped_dependencies/advanced/index.md)
- [Containers](https://mkdocs.python-cqrs.dev/latest/scoped_dependencies/containers/index.md)
- [Custom Container](https://mkdocs.python-cqrs.dev/latest/scoped_dependencies/custom_container/index.md)
- [Strategies](https://mkdocs.python-cqrs.dev/latest/scoped_dependencies/strategies/index.md)
- [Troubleshooting](https://mkdocs.python-cqrs.dev/latest/scoped_dependencies/troubleshooting/index.md)
- [Tutorial](https://mkdocs.python-cqrs.dev/latest/scoped_dependencies/tutorial/index.md)
- [Why](https://mkdocs.python-cqrs.dev/latest/scoped_dependencies/why/index.md)

## Commands and queries

- [Overview](https://mkdocs.python-cqrs.dev/latest/request_handler/index.md)
- [Fallback](https://mkdocs.python-cqrs.dev/latest/request_handler/fallback/index.md)
- [Overview](https://mkdocs.python-cqrs.dev/latest/request_response_types/index.md)
- [Attrs](https://mkdocs.python-cqrs.dev/latest/request_response_types/attrs/index.md)
- [Best Practices](https://mkdocs.python-cqrs.dev/latest/request_response_types/best_practices/index.md)
- [Dataclasses](https://mkdocs.python-cqrs.dev/latest/request_response_types/dataclasses/index.md)
- [Mixed Usage](https://mkdocs.python-cqrs.dev/latest/request_response_types/mixed_usage/index.md)
- [Msgspec](https://mkdocs.python-cqrs.dev/latest/request_response_types/msgspec/index.md)
- [NamedTuple](https://mkdocs.python-cqrs.dev/latest/request_response_types/namedtuple/index.md)
- [Pydantic](https://mkdocs.python-cqrs.dev/latest/request_response_types/pydantic/index.md)
- [Standard Classes](https://mkdocs.python-cqrs.dev/latest/request_response_types/standard_classes/index.md)
- [TypedDict](https://mkdocs.python-cqrs.dev/latest/request_response_types/typeddict/index.md)

## Streaming and chains

- [Overview](https://mkdocs.python-cqrs.dev/latest/stream_handling/index.md)
- [Configuration](https://mkdocs.python-cqrs.dev/latest/stream_handling/configuration/index.md)
- [Fallback](https://mkdocs.python-cqrs.dev/latest/stream_handling/fallback/index.md)
- [FastAPI Integration](https://mkdocs.python-cqrs.dev/latest/stream_handling/fastapi_integration/index.md)
- [Reference](https://mkdocs.python-cqrs.dev/latest/stream_handling/reference/index.md)
- [Overview](https://mkdocs.python-cqrs.dev/latest/chain_of_responsibility/index.md)
- [Advanced](https://mkdocs.python-cqrs.dev/latest/chain_of_responsibility/advanced/index.md)
- [Examples](https://mkdocs.python-cqrs.dev/latest/chain_of_responsibility/examples/index.md)
- [Fallback](https://mkdocs.python-cqrs.dev/latest/chain_of_responsibility/fallback/index.md)

## Saga

- [Overview](https://mkdocs.python-cqrs.dev/latest/saga/index.md)
- [Flow Diagrams](https://mkdocs.python-cqrs.dev/latest/saga/flow/index.md)
- [Storage](https://mkdocs.python-cqrs.dev/latest/saga/storage/index.md)
- [Recovery & Eventual Consistency](https://mkdocs.python-cqrs.dev/latest/saga/recovery/index.md)
- [Compensation Strategy](https://mkdocs.python-cqrs.dev/latest/saga/compensation/index.md)
- [Examples](https://mkdocs.python-cqrs.dev/latest/saga/examples/index.md)
- [Overview](https://mkdocs.python-cqrs.dev/latest/saga/fallback/index.md)
- [Circuit Breaker](https://mkdocs.python-cqrs.dev/latest/saga/fallback/circuit_breaker/index.md)
- [Examples](https://mkdocs.python-cqrs.dev/latest/saga/fallback/examples/index.md)
- [Mechanics](https://mkdocs.python-cqrs.dev/latest/saga/fallback/mechanics/index.md)

## Events and outbox

- [Overview](https://mkdocs.python-cqrs.dev/latest/event_handler/index.md)
- [Best Practices](https://mkdocs.python-cqrs.dev/latest/event_handler/best_practices/index.md)
- [Event Flow](https://mkdocs.python-cqrs.dev/latest/event_handler/event_flow/index.md)
- [Event Types](https://mkdocs.python-cqrs.dev/latest/event_handler/event_types/index.md)
- [Examples](https://mkdocs.python-cqrs.dev/latest/event_handler/examples/index.md)
- [Fallback](https://mkdocs.python-cqrs.dev/latest/event_handler/fallback/index.md)
- [Parallel Processing](https://mkdocs.python-cqrs.dev/latest/event_handler/parallel_processing/index.md)
- [Runtime Processing](https://mkdocs.python-cqrs.dev/latest/event_handler/runtime_processing/index.md)
- [Overview](https://mkdocs.python-cqrs.dev/latest/outbox/index.md)
- [Best Practices](https://mkdocs.python-cqrs.dev/latest/outbox/best_practices/index.md)
- [Database Support](https://mkdocs.python-cqrs.dev/latest/outbox/databases/index.md)
- [Examples](https://mkdocs.python-cqrs.dev/latest/outbox/examples/index.md)
- [Implementation](https://mkdocs.python-cqrs.dev/latest/outbox/implementation/index.md)
- [Usage](https://mkdocs.python-cqrs.dev/latest/outbox/usage/index.md)
- [ORM](https://mkdocs.python-cqrs.dev/latest/orm/index.md)
- [Overview](https://mkdocs.python-cqrs.dev/latest/mermaid/index.md)
- [Chain of Responsibility](https://mkdocs.python-cqrs.dev/latest/mermaid/chain_of_responsibility/index.md)
- [Saga Pattern](https://mkdocs.python-cqrs.dev/latest/mermaid/saga/index.md)

## Integrations

- [FastAPI Integration](https://mkdocs.python-cqrs.dev/latest/fastapi/index.md)
- [FastStream Integration](https://mkdocs.python-cqrs.dev/latest/faststream/index.md)
- [Event Producing](https://mkdocs.python-cqrs.dev/latest/event_producing/index.md)
- [Protobuf Integration](https://mkdocs.python-cqrs.dev/latest/protobuf/index.md)