A dict comprehension is much prettier (thanks Antoine)
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@ -144,11 +144,9 @@ ThreadPoolExecutor Example
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# We can use a with statement to ensure threads are cleaned up promptly
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with concurrent.futures.ThreadPoolExecutor(max_workers=5) as executor:
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# Start the load operations and mark each future with its URL
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load_urls = [executor.submit(load_url, url, 60) for url in URLS]
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for future, url in zip(load_urls, URLS):
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future.url = url
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for future in concurrent.futures.as_completed(load_urls):
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url = future.url
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future_to_url = {executor.submit(load_url, url, 60):url for url in URLS}
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for future in concurrent.futures.as_completed(future_to_url):
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url = future_to_url[url]
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try:
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data = future.result()
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except Exception as exc:
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