15 lines
456 B
Python
15 lines
456 B
Python
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from datetime import datetime, timedelta
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from django.core.exceptions import ValidationError
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def throttler(cache):
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def throttle(key):
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nonlocal cache
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last_submission = cache.get(key)
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if last_submission is None\
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or now - last_submission > timedelta(minutes=30):
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cache[key] = now
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else:
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raise ValidationError('you have submitted pretty recently. try again in a bit.')
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return throttle
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