FastAPI 项目启动器

⭐特性

• 类视图，CBD(class based view)
• 控制反转，IOC(Inversion of Controll)
• 依赖注入，DI(Dependency Injection)
• ⚡ 自动扫描目录

📝快速开始

1. v3

相比 v2 少量修改，大量增强，更快、更简洁、体积更小

2. v2

# /service/WelcomeService.py

from fastapi_boot import Service


@Service
class WelcomeService:
    def welcome(self, num: int):
        return "World" if num > 0 else "FastApiBoot"

# /controller/WelcomeController.py

from fastapi import Query, Request
from fastapi.responses import RedirectResponse
from fastapi_boot import Controller, Get, Req, useDep, AutoWired, Prefix
from service.WelcomeService import WelcomeService


# -------------------------------------------------------------------------------------------------------------------- #

# autowired servcie by type
welcome_service = AutoWired(WelcomeService)

# -------------------------------------------------------------------------------------------------------------------- #


# dependency1
def get_headers(request: Request):
    return request.headers


# dependency2
def get_welcome_msg(p: int = Query()):
    return f"Hello {welcome_service.welcome(p)}"


# -------------------------------------------------------------------------------------------------------------------- #


# class based view
@Controller("", tags=["welcome controller"])
class WelcomeController:
    @Req("/hello1", summary="hello1")
    def hello1():
        return "Hello World!"

    # isolated container
    @Prefix()
    class foo:
        # public dependencies
        headers = useDep(get_headers)
        msg = useDep(get_welcome_msg)

        @Get("/hello2", summary="hello2")
        def hello2(self):
            return dict(msg=self.msg)

        @Get("/hello3", summary="hello3")
        def hello3(self):
            return dict(msg=self.msg, ua=self.headers.get("user-agent", ""))


# function based view
@Controller("/to-docs", tags=["redirect controller"]).get(
    "", summary="redirect to docs"
)
def redirect_to_docs():
    return RedirectResponse("./docs")

# application.py

from contextlib import asynccontextmanager
from fastapi import FastAPI
from fastapi_boot import FastApiBootApplication
import uvicorn


@asynccontextmanager
async def lifespan(app: FastAPI):
    FastApiBootApplication.run_app(app)
    yield


app = FastAPI(lifespan=lifespan)


@app.get("/app")
def app_handler():
    return True


if __name__ == "__main__":
    uvicorn.run("application:app", reload=True)

1. v1 已弃用

# /service/WelcomeService.py

from fastapi_boot import Service


@Service
class WelcomeService:
    def welcome(self, num: int):
        return "World" if num > 0 else "FastApiBoot"

# /controller/WelcomeController.py

from fastapi import Query, Request
from fastapi.responses import RedirectResponse
from fastapi_boot import Controller, GetMapping, RequestMapping, useDeps, AutoWired
from service.WelcomeService import WelcomeService


# -------------------------------------------------------------------------------------------------------------------- #

# autowired servcie by type
welcome_service = AutoWired(WelcomeService)

# -------------------------------------------------------------------------------------------------------------------- #


# dependency1
def get_headers(request: Request):
    return request.headers


# dependency2
def get_welcome_msg(p: int = Query()):
    return f"Hello {welcome_service.welcome(p)}"


# -------------------------------------------------------------------------------------------------------------------- #


# class based view
@Controller
@RequestMapping() # can delete when path == ''
class WelcomeController:
    @RequestMapping("/hello1", summary="hello1", tags=["welcome controller"])
    def hello1():
        return "Hello World!"

    # isolated container
    @RequestMapping()
    class foo:
        # public dependencies
        headers = useDeps(get_headers)
        msg = useDeps(get_welcome_msg)

        @GetMapping("/hello2", summary="hello2", tags=["welcome controller"])
        def hello2(self):
            return dict(msg=self.msg)

        @GetMapping("/hello3", summary="hello3", tags=["welcome controller"])
        def hello3(self):
            return dict(msg=self.msg, ua=self.headers.get("user-agent", ""))


# function based view
@Controller
@RequestMapping("/to-docs", summary="redirect to docs", tags=["redirect controller"])
def redirect_to_docs():
    return RedirectResponse("./docs")

# application.py

import os
from fastapi import FastAPI

from fastapi_boot import FastApiBootApplication

app = FastAPI()


@app.get("/app")
def app_handler():
    return True


@FastApiBootApplication(app)
def main():
    os.system("uvicorn application:app --reload")


if __name__ == "__main__":
    main()