created dummy fastapi
This commit is contained in:
Bruce Lin
parent
6fc7704f6a
commit
5d258bf67f
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# Use Python 3.12 slim image
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FROM python:3.12-slim
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# Set working directory
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WORKDIR /app
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# Set environment variables
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ENV PYTHONDONTWRITEBYTECODE=1 \
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PYTHONUNBUFFERED=1
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# Install system dependencies
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RUN apt-get update && apt-get install -y --no-install-recommends \
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gcc \
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&& rm -rf /var/lib/apt/lists/*
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# Copy requirements first for better caching
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COPY requirements.txt .
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# Install Python dependencies
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RUN pip install --no-cache-dir -r requirements.txt
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# Copy application code
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COPY . .
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# Create non-root user
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RUN useradd -m -u 1000 appuser && chown -R appuser:appuser /app
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USER appuser
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# Expose port
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EXPOSE 8000
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# Run the application
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CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000"]
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from datetime import timedelta
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from fastapi import FastAPI, Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordRequestForm
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from fastapi.middleware.cors import CORSMiddleware
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from users import Token, User, fake_users_db
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from auth_utils import (
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authenticate_user,
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create_access_token,
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get_current_active_user,
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ACCESS_TOKEN_EXPIRE_MINUTES
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)
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app = FastAPI(title="Trading Agents API", version="1.0.0")
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# Configure CORS
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origins = [
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"http://localhost",
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"http://localhost:3000",
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"http://localhost:8000",
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"http://localhost:8080",
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]
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app.add_middleware(
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CORSMiddleware,
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allow_origins=origins,
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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@app.post("/token", response_model=Token)
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async def login(form_data: OAuth2PasswordRequestForm = Depends()):
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"""Login endpoint to get access token."""
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user = authenticate_user(fake_users_db, form_data.username, form_data.password)
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if not user:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Incorrect username or password",
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headers={"WWW-Authenticate": "Bearer"},
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)
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access_token_expires = timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
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access_token = create_access_token(
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data={"sub": user.username}, expires_delta=access_token_expires
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)
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return {"access_token": access_token, "token_type": "bearer"}
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@app.get("/users/me", response_model=User)
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async def read_users_me(current_user: User = Depends(get_current_active_user)):
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"""Get current user information."""
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return current_user
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@app.get("/protected")
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async def protected_route(current_user: User = Depends(get_current_active_user)):
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"""Example protected route."""
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return {"message": f"Hello {current_user.username}, this is a protected route!"}
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@app.get("/")
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async def root():
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"""Root endpoint."""
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return {"message": "Trading Agents API with OAuth2"}
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@app.get("/health")
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async def health_check():
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"""Health check endpoint."""
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return {"status": "healthy"}
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from datetime import datetime, timedelta
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from typing import Optional
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from fastapi import Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from users import UserInDB, TokenData, fake_users_db
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# Configuration
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SECRET_KEY = "your-secret-key-here-change-in-production"
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ALGORITHM = "HS256"
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ACCESS_TOKEN_EXPIRE_MINUTES = 30
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# Password hashing
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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# OAuth2 scheme
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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"""Verify a plain password against its hash."""
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return pwd_context.verify(plain_password, hashed_password)
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def get_password_hash(password: str) -> str:
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"""Hash a password."""
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return pwd_context.hash(password)
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def get_user(db: dict, username: str) -> Optional[UserInDB]:
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"""Get a user from the database."""
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if username in db:
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user_dict = db[username]
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return UserInDB(**user_dict)
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return None
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def authenticate_user(fake_db: dict, username: str, password: str) -> Optional[UserInDB]:
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"""Authenticate a user."""
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user = get_user(fake_db, username)
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if not user:
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return None
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if not verify_password(password, user.hashed_password):
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return None
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return user
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def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
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"""Create a JWT access token."""
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.utcnow() + expires_delta
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else:
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expire = datetime.utcnow() + timedelta(minutes=15)
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to_encode.update({"exp": expire})
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encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
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return encoded_jwt
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async def get_current_user(token: str = Depends(oauth2_scheme)) -> UserInDB:
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"""Get the current authenticated user from JWT token."""
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credentials_exception = HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Could not validate credentials",
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headers={"WWW-Authenticate": "Bearer"},
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)
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try:
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payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
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username: str = payload.get("sub")
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if username is None:
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raise credentials_exception
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token_data = TokenData(username=username)
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except JWTError:
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raise credentials_exception
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user = get_user(fake_users_db, username=token_data.username)
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if user is None:
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raise credentials_exception
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return user
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async def get_current_active_user(current_user: UserInDB = Depends(get_current_user)) -> UserInDB:
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"""Get the current active user."""
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if current_user.disabled:
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raise HTTPException(status_code=400, detail="Inactive user")
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return current_user
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@ -0,0 +1,5 @@
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fastapi==0.104.1
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uvicorn[standard]==0.24.0
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python-jose[cryptography]==3.3.0
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passlib[bcrypt]==1.7.4
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python-multipart==0.0.6
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#!/bin/bash
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# Script to build and run the FastAPI web server using Docker
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# Set variables
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IMAGE_NAME="tradingagents-api-web"
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CONTAINER_NAME="tradingagents-api-web-container"
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PORT=8000
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# Colors for output
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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RED='\033[0;31m'
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NC='\033[0m' # No Color
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echo -e "${YELLOW}Building Docker image...${NC}"
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docker build -t ${IMAGE_NAME} .
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if [ $? -eq 0 ]; then
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echo -e "${GREEN}Docker image built successfully!${NC}"
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else
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echo -e "${RED}Failed to build Docker image${NC}"
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exit 1
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fi
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# Stop and remove existing container if it exists
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echo -e "${YELLOW}Checking for existing container...${NC}"
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if [ "$(docker ps -aq -f name=${CONTAINER_NAME})" ]; then
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echo -e "${YELLOW}Stopping and removing existing container...${NC}"
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docker stop ${CONTAINER_NAME}
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docker rm ${CONTAINER_NAME}
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fi
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# Run the container
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echo -e "${YELLOW}Starting container...${NC}"
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docker run -d \
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--name ${CONTAINER_NAME} \
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-p ${PORT}:8000 \
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-e SECRET_KEY="${SECRET_KEY:-your-secret-key-here-change-in-production}" \
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${IMAGE_NAME}
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if [ $? -eq 0 ]; then
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echo -e "${GREEN}Container started successfully!${NC}"
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echo -e "${GREEN}API is available at: http://localhost:${PORT}${NC}"
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echo -e "${GREEN}API documentation: http://localhost:${PORT}/docs${NC}"
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echo ""
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echo -e "${YELLOW}To view logs:${NC} docker logs -f ${CONTAINER_NAME}"
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echo -e "${YELLOW}To stop:${NC} docker stop ${CONTAINER_NAME}"
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else
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echo -e "${RED}Failed to start container${NC}"
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exit 1
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fi
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#!/bin/bash
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# Test commands for the Trading Agents API
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# Colors for output
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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RED='\033[0;31m'
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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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API_URL="http://localhost:8000"
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echo -e "${BLUE}=== Trading Agents API Test Commands ===${NC}\n"
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# 1. Health check
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echo -e "${YELLOW}1. Health Check:${NC}"
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echo "curl -X GET ${API_URL}/health"
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echo -e "${GREEN}Expected: {\"status\":\"healthy\"}${NC}\n"
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# 2. Root endpoint
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echo -e "${YELLOW}2. Root Endpoint:${NC}"
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echo "curl -X GET ${API_URL}/"
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echo -e "${GREEN}Expected: {\"message\":\"Trading Agents API with OAuth2\"}${NC}\n"
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# 3. Get token (login)
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echo -e "${YELLOW}3. Login (Get Access Token):${NC}"
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echo "curl -X POST ${API_URL}/token \\"
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echo " -H \"Content-Type: application/x-www-form-urlencoded\" \\"
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echo " -d \"username=testuser&password=secret\""
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echo -e "${GREEN}Expected: {\"access_token\":\"<token>\",\"token_type\":\"bearer\"}${NC}\n"
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# 4. Access protected endpoint without token (should fail)
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echo -e "${YELLOW}4. Access Protected Route (No Token - Should Fail):${NC}"
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echo "curl -X GET ${API_URL}/protected"
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echo -e "${RED}Expected: 401 Unauthorized${NC}\n"
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# 5. Access protected endpoint with token
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echo -e "${YELLOW}5. Access Protected Route (With Token):${NC}"
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echo "# First get the token:"
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echo "TOKEN=\$(curl -s -X POST ${API_URL}/token \\"
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echo " -H \"Content-Type: application/x-www-form-urlencoded\" \\"
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echo " -d \"username=testuser&password=secret\" | jq -r '.access_token')"
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echo ""
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echo "# Then use it:"
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echo "curl -X GET ${API_URL}/protected \\"
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echo " -H \"Authorization: Bearer \$TOKEN\""
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echo -e "${GREEN}Expected: {\"message\":\"Hello testuser, this is a protected route!\"}${NC}\n"
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# 6. Get current user info
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echo -e "${YELLOW}6. Get Current User Info:${NC}"
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echo "curl -X GET ${API_URL}/users/me \\"
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echo " -H \"Authorization: Bearer \$TOKEN\""
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echo -e "${GREEN}Expected: User information JSON${NC}\n"
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# 7. View API documentation
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echo -e "${YELLOW}7. API Documentation:${NC}"
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echo "Open in browser: ${API_URL}/docs"
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echo "or"
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echo "curl -X GET ${API_URL}/openapi.json | jq ."
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echo ""
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# One-liner test script
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echo -e "${BLUE}=== Quick Test Script ===${NC}"
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echo -e "${YELLOW}Run this to test all endpoints:${NC}\n"
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cat << 'EOF'
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#!/bin/bash
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API_URL="http://localhost:8000"
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# Test health
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echo "Testing health endpoint..."
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curl -s ${API_URL}/health | jq .
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# Get token
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echo -e "\nGetting access token..."
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TOKEN=$(curl -s -X POST ${API_URL}/token \
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-H "Content-Type: application/x-www-form-urlencoded" \
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-d "username=testuser&password=secret" | jq -r '.access_token')
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if [ -z "$TOKEN" ] || [ "$TOKEN" = "null" ]; then
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echo "Failed to get token!"
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exit 1
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fi
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echo "Token obtained successfully!"
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# Test protected endpoint
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echo -e "\nTesting protected endpoint..."
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curl -s -X GET ${API_URL}/protected \
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-H "Authorization: Bearer $TOKEN" | jq .
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# Get user info
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echo -e "\nGetting user info..."
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curl -s -X GET ${API_URL}/users/me \
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-H "Authorization: Bearer $TOKEN" | jq .
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EOF
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from typing import Optional
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from pydantic import BaseModel
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class Token(BaseModel):
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access_token: str
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token_type: str
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class TokenData(BaseModel):
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username: Optional[str] = None
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class User(BaseModel):
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username: str
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email: Optional[str] = None
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full_name: Optional[str] = None
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disabled: Optional[bool] = None
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class UserInDB(User):
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hashed_password: str
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# Fake database for demonstration
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fake_users_db = {
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"testuser": {
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"username": "testuser",
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"full_name": "Test User",
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"email": "test@example.com",
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"hashed_password": "$2b$12$EixZaYVK1fsbw1ZfbX3OXePaWxn96p36WQoeG6Lruj3vjPGga31lW", # secret
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"disabled": False,
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}
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}
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