pymol crashing under Qt on Catalina

[Chris Jones]

> On 13 Oct 2019, at 2:56 pm, Jack Howarth <howarth.at.macports at gmail.com> wrote:
> 
> 
> Chris,
>      This is a fresh build of all the MacPorts packages from last night's port files using Xcode 11.1.
>               Jack

Ok, then next I would try either using the Xcode 11.2 beta, or patch python with the stack-check fix.

P.s. side comment, but perhaps its also time to propose making python37 the default variant for pymol ? We should anyway be looking to start weeding out 2.x usage, at least as the default version where 3.x alternatives are available.

> 
>> On Sun, Oct 13, 2019 at 9:31 AM Chris Jones <jonesc at hep.phy.cam.ac.uk> wrote:
>> Hi,
>> 
>> What Xcode version are you using ? If 11.0, first try updating to 11.1 and then rebuild the various ports (including python).
>> 
>> Chris
>> 
>> > On 13 Oct 2019, at 1:52 pm, Jack Howarth <howarth.at.macports at gmail.com> wrote:
>> > 
>> > 
>> >       The +python37 variant of pymol runs fine under its Qt interface on Catalina, however the stock +python27 variant crashes Qt as follows...
>> > 
>> > Process:               Python [46230]
>> > Path:                  /opt/local/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python
>> > Identifier:            Python
>> > Version:               2.7.16 (2.7.16)
>> > Code Type:             X86-64 (Native)
>> > Parent Process:        zsh [907]
>> > Responsible:           Terminal [342]
>> > User ID:               501
>> > 
>> > Date/Time:             2019-10-13 08:42:10.315 -0400
>> > OS Version:            Mac OS X 10.15 (19A583)
>> > Report Version:        12
>> > Anonymous UUID:        4A09CC71-7509-3F2D-8C77-BB546FDAFB8D
>> > 
>> > Sleep/Wake UUID:       A3189974-D375-47A3-B65F-45F7E7DE5271
>> > 
>> > Time Awake Since Boot: 16000 seconds
>> > Time Since Wake:       12000 seconds
>> > 
>> > System Integrity Protection: disabled
>> > 
>> > Crashed Thread:        0  Dispatch queue: com.apple.main-thread
>> > 
>> > Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
>> > Exception Codes:       KERN_INVALID_ADDRESS at 0xffffffffffffffff
>> > Exception Note:        EXC_CORPSE_NOTIFY
>> > 
>> > Termination Signal:    Segmentation fault: 11
>> > Termination Reason:    Namespace SIGNAL, Code 0xb
>> > Terminating Process:   exc handler [46230]
>> > 
>> > The entire crash report is attached. Any idea what is going on here as it seems to be specific to python2.7?
>> >           Jack
>> > 
>> > 
>> > <pymol_python27_crash.log>
>> 
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