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October 18, 2019 18:44
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from datetime import datetime | |
def calculate_users_favorite_color(user, ignore_cache=False): | |
now = datetime.now() | |
color, valid_until = None, None | |
if not ignore_cache: | |
color, valid_until = cache.get(f"user_color_{user.id}") | |
if ignore_cache or (valid_until is not None and valid_until > now): | |
...logic...logic... | |
color=.... | |
...logic...logic... | |
if not ignore_cache: | |
valid_until = now + datetime.timedelta(days=3, hours=12) | |
cache.set(f"user_color_{user.id}", (color, valid_until)) | |
return color |
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