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"""
Rate limiting configuration for API endpoints
"""
from slowapi import Limiter
from slowapi.util import get_remote_address
from slowapi.errors import RateLimitExceeded
from fastapi import Request
from fastapi.responses import JSONResponse
# Initialize rate limiter
# This tracks requests by IP address and enforces limits
limiter = Limiter(
key_func=get_remote_address, # Rate limit by IP address
default_limits=["100/minute"] # Default: 100 requests per minute per IP
)
# Custom rate limit exceeded handler
async def rate_limit_handler(request: Request, exc: RateLimitExceeded):
"""
Custom handler for rate limit exceeded errors
Returns user-friendly JSON response instead of HTML error page
"""
return JSONResponse(
status_code=429,
content={
"error": "Rate limit exceeded",
"message": "Too many requests. Please try again later.",
"detail": str(exc.detail)
}
)
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