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Make large dates wrap around

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Closes #1629.
This commit is contained in:
Lonami Exo 2020-11-12 15:24:33 +01:00
parent 96a535fe4a
commit ab9035acd2
1 changed files with 5 additions and 1 deletions
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6
telethon/tl/tlobject.py
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@ -15,7 +15,11 @@ def _datetime_to_timestamp(dt):
dt = dt.replace(tzinfo=timezone.utc)
# We use .total_seconds() method instead of simply dt.timestamp(),
# because on Windows the latter raises OSError on datetimes ~< datetime(1970,1,1)
return int((dt - _EPOCH).total_seconds())
secs = int((dt - _EPOCH).total_seconds())
# Make sure it's a valid signed 32 bit integer, as used by Telegram.
# This does make very large dates wrap around, but it's the best we
# can do with Telegram's limitations.
return struct.unpack('i', struct.pack('I', secs & 0xffffffff))[0]
def _json_default(value):