lemon_markets_case_study/app/stock_exchange.py
2025-04-21 09:28:40 +02:00

25 lines
583 B
Python

import random
import time
from app.types import Order
class OrderPlacementError(Exception):
pass
def place_order(order: Order):
"""dummy function that is symbolic standing for placing an order at the stock exchange.
Please do not modify the content of this method."""
if not order:
raise ValueError("Required order parameter not provided")
if random.random() >= 0.9:
raise OrderPlacementError(
"Failed to place order at stock exchange. Connection not available"
)
# it is an expensive operation
time.sleep(0.5)