[issue38233] datetime.datetime.fromtimestamp have different behaviour on windows and mac

[Eryk Sun]

Change by Eryk Sun :


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resolution:  -> duplicate
status: open -> closed

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[issue38233] datetime.datetime.fromtimestamp have different behaviour on windows and mac

[Ronald Oussoren]

Ronald Oussoren  added the comment:

Can this issue be closed? Fixing #36439 would also fix this issue.

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[issue38233] datetime.datetime.fromtimestamp have different behaviour on windows and mac

[Paul Ganssle]

Paul Ganssle  added the comment:

Changing the superceder here as I think #36439 matches better than #37527.

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nosy: +p-ganssle
resolution: duplicate -> 
status: closed -> open
superseder: Timestamp conversion on windows fails with timestamps close to 
EPOCH -> Inconsistencies with datetime.fromtimestamp(t) when t < 0

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[issue38233] datetime.datetime.fromtimestamp have different behaviour on windows and mac

[Ammar Askar]

Ammar Askar  added the comment:

Thanks for the report Alexandre, this has to do with issues with negative 
numbers in Window's time APIs. There's already a bug open for this, so I've 
marked it as a duplicate.

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nosy: +ammar2
resolution:  -> duplicate
stage:  -> resolved
status: open -> closed
superseder:  -> Timestamp conversion on windows fails with timestamps close to 
EPOCH
type: crash -> behavior

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[issue38233] datetime.datetime.fromtimestamp have different behaviour on windows and mac

[Alexandre Ouellet]

New submission from Alexandre Ouellet :

in a python console on a windows machine:

import datetime
d = datetime.datetime.fromtimestamp(0)
d
>datetime.datetime(1969, 12, 31, 19, 0)
d.timestamp()
>OSError: [Errno 22] Invalid argument

on a macOS machine : 

d = datetime.datetime.fromtimestamp(-1)
d
>datetime.datetime(1969, 12, 31, 19, 0)
d.timestamp()
>-1.0

both machines running 3.6.9

I would expect them have the same behaviour.

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components: Windows, macOS
messages: 352853
nosy: Alexandre Ouellet, ned.deily, paul.moore, ronaldoussoren, steve.dower, 
tim.golden, zach.ware
priority: normal
severity: normal
status: open
title: datetime.datetime.fromtimestamp have different behaviour on windows and 
mac
type: crash
versions: Python 3.6

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