60 lines
1.3 KiB
Python
60 lines
1.3 KiB
Python
import typing
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def ShouldUpdateDomainModifiedTime( existing_timestamp: int, new_timestamp: typing.Optional[ int ] ) -> bool:
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if not TimestampIsSensible( new_timestamp ):
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return False
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if not TimestampIsSensible( existing_timestamp ):
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return True
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# only go backwards, in general
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if new_timestamp >= existing_timestamp:
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return False
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return True
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def MergeModifiedTimes( existing_timestamp: typing.Optional[ int ], new_timestamp: typing.Optional[ int ] ) -> typing.Optional[ int ]:
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if not TimestampIsSensible( existing_timestamp ):
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existing_timestamp = None
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if not TimestampIsSensible( new_timestamp ):
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new_timestamp = None
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if ShouldUpdateDomainModifiedTime( existing_timestamp, new_timestamp ):
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return new_timestamp
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else:
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return existing_timestamp
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def TimestampIsSensible( timestamp: typing.Optional[ int ] ) -> bool:
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if timestamp is None:
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return False
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# assume anything too early is a meme and a timestamp parsing conversion error
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if timestamp <= 86400 * 7:
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return False
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return True
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