7.1 KiB
7.1 KiB
4 — Coder (coder) — pyproject.toml
Malli: qwen-coder
System Prompt
You are an expert Python developer. Write complete, production-ready code.
CRITICAL RULES:
1. Include ALL imports at the top of every file
2. Import from other project files: from models import User, SessionLocal
3. Pydantic schemas use different names than SQLAlchemy models: UserCreate, UserResponse (not User)
4. SQLAlchemy engine: create_engine(url, connect_args={"check_same_thread": False})
5. SessionLocal: sessionmaker(autocommit=False, autoflush=False, bind=engine)
6. FastAPI dependencies: def get_db(): db = SessionLocal(); try: yield db; finally: db.close()
7. Pydantic v2: use model_dump() not dict(), class Config: from_attributes = True
8. All CRUD endpoints: POST (201), GET list, GET by id, PUT, DELETE (204)
NEVER:
- Add explanations or comments like "# Add routes here"
- Leave placeholder code or TODO comments
- Use Flask syntax (app.run) in FastAPI projects
- Forget to import from other project files
- Use requirements.txt or Poetry — always use pyproject.toml with [project] format (PEP 621)
- Use pip install — use uv (e.g. uv run uvicorn main:app --reload)
Syöte
You are an expert Python developer. Write complete, production-ready code.
CRITICAL RULES:
1. Include ALL imports at the top of every file
2. Import from other project files: from models import User, SessionLocal
3. Pydantic schemas use different names than SQLAlchemy models: UserCreate, UserResponse (not User)
4. SQLAlchemy engine: create_engine(url, connect_args={"check_same_thread": False})
5. SessionLocal: sessionmaker(autocommit=False, autoflush=False, bind=engine)
6. FastAPI dependencies: def get_db(): db = SessionLocal(); try: yield db; finally: db.close()
7. Pydantic v2: use model_dump() not dict(), class Config: from_attributes = True
8. All CRUD endpoints: POST (201), GET list, GET by id, PUT, DELETE (204)
NEVER:
- Add explanations or comments like "# Add routes here"
- Leave placeholder code or TODO comments
- Use Flask syntax (app.run) in FastAPI projects
- Forget to import from other project files
- Use requirements.txt or Poetry — always use pyproject.toml with [project] format (PEP 621)
- Use pip install — use uv (e.g. uv run uvicorn main:app --reload)
EXAMPLE of pyproject.toml (for a different project, adapt to this one):
[project] name = "myapp" version = "0.1.0" requires-python = ">=3.11" dependencies = [ "fastapi", "uvicorn[standard]", "sqlalchemy", ]
[project.scripts] dev = "uvicorn main:app --reload"
Already written files in THIS project:
--- models.py ---
from sqlalchemy import create_engine, Column, Integer, String, Date, Enum
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
DATABASE_URL = "sqlite:///./todo.db"
engine = create_engine(DATABASE_URL, connect_args={"check_same_thread": False})
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
Base = declarative_base()
class Todo(Base):
__tablename__ = "todos"
id = Column(Integer, primary_key=True, index=True)
title = Column(String(100), nullable=False)
description = Column(String(500))
due_date = Column(Date, nullable=False)
status = Column(Enum('pending', 'completed'), default='pending')
--- schemas.py ---
from pydantic import BaseModel
class TodoCreate(BaseModel):
title: str
description: str | None = None
due_date: date
status: str = 'pending'
class TodoResponse(TodoCreate):
id: int
class Config:
from_attributes = True
--- main.py ---
from fastapi import FastAPI, Depends, HTTPException
from sqlalchemy.orm import Session
from models import Base, engine, SessionLocal, Todo
from schemas import TodoCreate, TodoResponse
Base.metadata.create_all(bind=engine)
app = FastAPI()
def get_db():
db = SessionLocal()
try:
yield db
finally:
db.close()
@app.post("/todos/", response_model=TodoResponse, status_code=201)
def create_todo(todo: TodoCreate, db: Session = Depends(get_db)):
db_todo = Todo(**todo.model_dump())
db.add(db_todo)
db.commit()
db.refresh(db_todo)
return db_todo
@app.get("/todos/", response_model=list[TodoResponse])
def list_todos(status: str | None = None, db: Session = Depends(get_db)):
if status:
query = db.query(Todo).filter_by(status=status)
else:
query = db.query(Todo)
return query.all()
@app.get("/todos/{todo_id}", response_model=TodoResponse)
def get_todo(todo_id: int, db: Session = Depends(get_db)):
todo = db.query(Todo).filter(Todo.id == todo_id).first()
if not todo:
raise HTTPException(status_code=404, detail="Not found")
return todo
@app.put("/todos/{todo_id}", response_model=TodoResponse)
def update_todo(todo_id: int, todo: TodoCreate, db: Session = Depends(get_db)):
db_todo = db.query(Todo).filter(Todo.id == todo_id).first()
if not db_todo:
raise HTTPException(status_code=404, detail="Not found")
for key, value in todo.model_dump().items():
setattr(db_todo, key, value)
db.commit()
db.refresh(db_todo)
return db_todo
@app.delete("/todos/{todo_id}", status_code=204)
def delete_todo(todo_id: int, db: Session = Depends(get_db)):
db_todo = db.query(Todo).filter(Todo.id == todo_id).first()
if not db_todo:
raise HTTPException(status_code=404, detail="Not found")
db.delete(db_todo)
db.commit()
PROJECT REQUIREMENTS (from product owner):
1. **PROJECT NAME:** Todo-sovellus
2. **GOAL:** A simple task manager for individuals to keep track of their daily tasks and manage them efficiently.
3. **CORE FEATURES:**
- Create new todos with title, description, due date.
- Read/View all todos or a single todo by ID.
- Update existing todos (title, description, status).
- Delete completed or unnecessary todos.
- Filter todos by status (e.g., pending, completed).
4. **DATA MODEL:**
- Todo
- id (integer, primary key)
- title (string)
- description (text)
- due_date (date)
- status (enum: 'pending', 'completed')
5. **API ENDPOINTS:**
- GET /todos: Retrieve all todos.
- GET /todos/{id}: Retrieve a single todo by ID.
- POST /todos: Create a new todo.
- PUT /todos/{id}: Update an existing todo.
- DELETE /todos/{id}: Delete a todo.
6. **CONSTRAINTS:**
- Must use SQLite as the database.
- No authentication required for accessing endpoints.
- Implement unit tests and integration tests to ensure functionality.
NOW write "pyproject.toml" for THIS project: Todo-sovellus FastAPI + SQLite, CRUD-endpointit ja testit
Use [project] format (PEP 621, compatible with uv). List dependencies under [project.dependencies]. Add [project.scripts] with dev command. Never use requirements.txt or Poetry format. Run with: uv run uvicorn main:app --reload
Adapt to the project requirements. Import from already written files. Write ONLY the code, no explanations.
Tulos
[project]
name = "todo-sovellus"
version = "0.1.0"
requires-python = ">=3.11"
dependencies = [
"fastapi",
"uvicorn[standard]",
"sqlalchemy",
]
[project.scripts]
dev = "uvicorn main:app --reload"