d20c3af0bc
- Setup project structure with FastAPI, SQLAlchemy, and SQLite - Create Todo model and database migrations - Implement CRUD API endpoints - Add error handling and validation - Update README with documentation and examples generated with BackendIM... (backend.im)
61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
import uvicorn
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from fastapi import FastAPI, Request, status
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from fastapi.exceptions import RequestValidationError
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from fastapi.responses import JSONResponse
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from pathlib import Path
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from sqlalchemy.exc import SQLAlchemyError
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from app.api.routers import todo
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from app.core.config import settings
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from app.core.exceptions import TodoNotFoundException, ValidationError, DatabaseError
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app = FastAPI(
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title="Todo API",
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description="A simple Todo API built with FastAPI",
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version="0.1.0"
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)
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# Exception handlers
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@app.exception_handler(TodoNotFoundException)
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async def todo_not_found_exception_handler(request: Request, exc: TodoNotFoundException):
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return JSONResponse(
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status_code=exc.status_code,
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content={"detail": exc.detail},
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)
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@app.exception_handler(RequestValidationError)
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async def validation_exception_handler(request: Request, exc: RequestValidationError):
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return JSONResponse(
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status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
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content={"detail": str(exc)},
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)
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@app.exception_handler(SQLAlchemyError)
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async def sqlalchemy_exception_handler(request: Request, exc: SQLAlchemyError):
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return JSONResponse(
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status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
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content={"detail": "Database error occurred"},
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)
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@app.exception_handler(Exception)
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async def general_exception_handler(request: Request, exc: Exception):
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return JSONResponse(
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status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
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content={"detail": "An unexpected error occurred"},
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)
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# Include routers
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app.include_router(todo.router, prefix="/api/v1")
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# Health check endpoint
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@app.get("/health", tags=["Health"])
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async def health_check():
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return {"status": "healthy"}
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if __name__ == "__main__":
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uvicorn.run(
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"main:app",
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host=settings.HOST,
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port=settings.PORT,
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reload=settings.DEBUG,
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) |