refactor: cleaned main file

core/__init__.py

@@ -0,0 +1,4 @@
+from .lifespan import lifespan as lifespan
+from .app_settings import settings as settings
+from .middlewares import register_middlewares as register_middlewares
+from .exceptions import register_exception_handlers as register_exception_handlers

core/app_settings.py

@@ -0,0 +1,11 @@
+from fastapi.responses import ORJSONResponse
+
+
+class Settings:
+    ROOT_PATH = "/api"
+    DEFAULT_RESPONSE_CLASS = ORJSONResponse
+    ORIGINS = ["http://localhost:3000"]
+    STATIC_DIR = "static"
+
+
+settings = Settings()

core/exceptions.py

@@ -0,0 +1,17 @@
+from fastapi import Request
+from fastapi.applications import AppType
+from starlette.responses import JSONResponse
+
+from utils.exceptions import ObjectNotFoundException, ForbiddenException
+
+
+def register_exception_handlers(app: AppType):
+    @app.exception_handler(ObjectNotFoundException)
+    async def not_found_exception_handler(
+        request: Request, exc: ObjectNotFoundException
+    ):
+        return JSONResponse(status_code=404, content={"detail": exc.name})
+
+    @app.exception_handler(ForbiddenException)
+    async def forbidden_exception_handler(request: Request, exc: ForbiddenException):
+        return JSONResponse(status_code=403, content={"detail": exc.name})

core/lifespan.py

@@ -0,0 +1,16 @@
+import contextlib
+
+from fastapi.applications import AppType
+
+from task_management import broker
+
+
+@contextlib.asynccontextmanager
+async def lifespan(app: AppType):
+    if not broker.is_worker_process:
+        await broker.startup()
+
+    yield
+
+    if not broker.is_worker_process:
+        await broker.shutdown()

core/middlewares.py

@@ -0,0 +1,19 @@
+from fastapi.applications import AppType
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.middleware.gzip import GZipMiddleware
+
+from .app_settings import settings
+
+
+def register_middlewares(app: AppType):
+    app.add_middleware(
+        CORSMiddleware,
+        allow_origins=settings.ORIGINS,
+        allow_credentials=True,
+        allow_methods=["*"],
+        allow_headers=["*"],
+    )
+    app.add_middleware(
+        GZipMiddleware,
+        minimum_size=1_000,
+    )

logger/builder.py

@@ -10,7 +10,7 @@ from logger.constants import (
 from logger.formatter import JsonFormatter
 from logger.gunzip_rotating_file_handler import GunZipRotatingFileHandler
 from logger.filters import LevelFilter, RequestIdFilter
-from core.singleton import Singleton
+from utils.singleton import Singleton
 
 
 class LoggerBuilder(metaclass=Singleton):

main.py

@@ -1,64 +1,28 @@
-import contextlib
-
 import taskiq_fastapi
-from fastapi import FastAPI, Request
-from fastapi.middleware.cors import CORSMiddleware
-from fastapi.middleware.gzip import GZipMiddleware
-from fastapi.responses import ORJSONResponse
+from fastapi import FastAPI
 from fastapi.staticfiles import StaticFiles
-from starlette.responses import JSONResponse
 
 import routers
+from core import lifespan, settings, register_middlewares, register_exception_handlers
 from task_management import broker
 from utils.auto_include_routers import auto_include_routers
-from utils.exceptions import *
-
-origins = ["http://localhost:3000"]
 
 
-@contextlib.asynccontextmanager
-async def lifespan(app):
-    if not broker.is_worker_process:
-        await broker.startup()
+def create_app() -> FastAPI:
+    app = FastAPI(
+        separate_input_output_schemas=True,
+        default_response_class=settings.DEFAULT_RESPONSE_CLASS,
+        root_path=settings.ROOT_PATH,
+        lifespan=lifespan,
+    )
 
-    yield
+    register_middlewares(app)
+    register_exception_handlers(app)
+    auto_include_routers(app, routers, full_path=True)
+    app.mount("/static", StaticFiles(directory=settings.STATIC_DIR), name="static")
 
-    if not broker.is_worker_process:
-        await broker.shutdown()
+    taskiq_fastapi.init(broker, "main:app")
+    return app
 
 
-app = FastAPI(
-    separate_input_output_schemas=True,
-    default_response_class=ORJSONResponse,
-    root_path="/api",
-    # lifespan=lifespan,
-)
-
-app.add_middleware(
-    CORSMiddleware,
-    allow_origins=origins,
-    allow_credentials=True,
-    allow_methods=["*"],
-    allow_headers=["*"],
-)
-app.add_middleware(
-    GZipMiddleware,
-    minimum_size=1_000,
-)
-
-taskiq_fastapi.init(broker, "main:app")
-
-
-@app.exception_handler(ObjectNotFoundException)
-async def not_found_exception_handler(request: Request, exc: ObjectNotFoundException):
-    return JSONResponse(status_code=404, content={"detail": exc.name})
-
-
-@app.exception_handler(ForbiddenException)
-async def forbidden_exception_handler(request: Request, exc: ForbiddenException):
-    return JSONResponse(status_code=403, content={"detail": exc.name})
-
-
-auto_include_routers(app, routers, True)
-
-app.mount("/static", StaticFiles(directory="static"), name="static")
+app = create_app()