Message 246878 - Python tracker

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Author	lebigot
Recipients	lebigot
Date	2015-07-18.02:59:27
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1437188368.42.0.0977367912313.issue24658@psf.upfronthosting.co.za>
In-reply-to

Content
On OS X, the Homebrew and MacPorts versions of Python 3.4.3 raise an exception when writing a 4 GB bytearray: >>> open('/dev/null', 'wb').write(bytearray(231-1)) 2147483647 >>> open('/dev/null', 'wb').write(bytearray(231)) Traceback (most recent call last): File "<stdin>", line 1, in <module> OSError: [Errno 22] Invalid argument This has an impact on pickle, in particular (https://stackoverflow.com/questions/31468117/python-3-can-pickle-handle-byte-objects-larger-than-4gb).

On OS X, the Homebrew and MacPorts versions of Python 3.4.3 raise an exception when writing a 4 GB bytearray:

>>> open('/dev/null', 'wb').write(bytearray(2**31-1))
2147483647

>>> open('/dev/null', 'wb').write(bytearray(2**31))
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OSError: [Errno 22] Invalid argument

This has an impact on pickle, in particular (https://stackoverflow.com/questions/31468117/python-3-can-pickle-handle-byte-objects-larger-than-4gb).

History
Date	User	Action	Args
2015-07-18 02:59:28	lebigot	set	recipients: + lebigot
2015-07-18 02:59:28	lebigot	set	messageid: <1437188368.42.0.0977367912313.issue24658@psf.upfronthosting.co.za>
2015-07-18 02:59:28	lebigot	link	issue24658 messages
2015-07-18 02:59:27	lebigot	create