[Pythonmac-SIG] PyObjC and macOS 10.12 (Sierra)

[Andrew Jaffe]

On 20/09/2016 20:54, Glyph Lefkowitz wrote:
 >> On Sep 20, 2016, at 10:29 AM, Andrew Jaffe <a.h.jaffe at gmail.com> wrote:
 >>
 >> On 17/09/2016 18:59, Glyph Lefkowitz wrote:
 >>>
 >>>> On Sep 17, 2016, at 9:27 AM, Ned Deily <nad at python.org> wrote:
 >>>>
 >>>> On 2016-09-13 19:33, Glyph Lefkowitz wrote:
 >>>>>> On Sep 13, 2016, at 3:35 PM, Andrew Jaffe <a.h.jaffe at gmail.com> 
wrote:
 >>>>>>
 >>>>>> Aha!
 >>>>>>
 >>>>>> $ ls -lt /Library/Python/2.7/site-packages/
 >>>>>> total 0
 >>>>>> -rwxr-xr-x  1 root  wheel  157 31 Jul 02:36 Extras.pth*
 >>>>>> -rw-r--r--  1 root  wheel  119 31 Jul 02:36 README
 >>>>>> $ more /Library/Python/2.7/site-packages/Extras.pth
 >>>>>> 
/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python
 >>>>>> 
/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/PyObjC
 >>>>>>
 >>>>> Hah!  Thanks for sharing.  Very satisfying to actually make a 
*correct*
 >>>>> prediction about setuptools' behavior :)
 >>>>
 >>>> This seems to be Apple's doing.  AFAICT, 10.12 is shipping with this
 >>>> Extras.pth file in /Library/Python/2.7; it's something new.  And,
 >>>> unfortunately, due to https://bugs.python.org/issue4865, the
 >>>> site-packages directory for the system Python 2.7 is included in
 >>>> sys.path along with the non-system framework Python site-packages.
 >>>
 >>> This seems wrong; someone should file a radar (and probably share
 >>> on http://www.openradar.me <http://www.openradar.me/> for further
 >>> discussion).
 >>
 >> In the meantime, what's the recommended workaround?
 >
 > Looking back over the thread, my first reply was: "Make a virtualenv and
 > install pyobjc there", but I didn't see a direct response to that.  That
 > would still be my first choice for a workaround.  Is there some reason
 > that doesn't work for you?

That would work, and in fact I don't really need PyObjC (sorry, Ronald!) 
but I've got my whole setup working with the "global" python.org 
framework build, so I am used to that... and the Sierra status quo does 
seem ugly (and quite possibly is a bug!).

Andrew