The Queue: Producer-Consumer Patterns and Async Communication
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The Queue: Producer-Consumer Patterns and Async Communication # python # coding # programming # softwaredevelopment Timothy stared at his screen, frustrated once again. He'd successfully made his book scanning system run multiple tasks concurrently, but now he had a different problem: chaos. "Margaret, look at this," Timothy said, pulling up his code. "I have ten scanner tasks running concurrently, but they're all trying to read from the same list of books. They're fighting over which book to scan next, some books get scanned twice, and sometimes the program just crashes." import asyncio import random books_to_scan = [ " Book_1 " , " Book_2 " , " Book_3 " , " Book_4 " , " Book_5 " ] scanned_books = [] async def scanner ( worker_id ): """ Scanner task that processes books """ while books_to_scan : # PROBLEM: Multiple tasks accessing shared...