bug in large file writes, 2.x and 3.x

MRAB python at mrabarnett.plus.com
Fri Jun 17 15:13:35 EDT 2011


On 17/06/2011 20:15, Ethan Furman wrote:
> Ethan Furman wrote:
>> Windows platform (XP Pro, SP2).
>>
>> This works fine on local drives, but on network (both 2003 Server, and
>> Samba running on FreeBSD) the following produces an error:
>>
>> --> data = '?' * 119757831 # use b'?' if on 3.x
>> --> test = open(r's:\junk.tst', 'wb')
>> --> test.write(data)
>> Traceback (most recent call last):
>> File "<stdin>", line 1, in <module>
>> IOError: [Errno 22] Invalid argument
>
>
> Update: 10Mb worth of data succeeds, 50+Mb fails.

What about around 2**24 bytes?



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