Try "import sage.all" first.

On Monday, January 17, 2022 at 1:13:38 PM UTC-8 marc....@gmail.com wrote:

> While many things work in the binary macOS app for Arm CPU, I discovered 
> by accident that the following produces a segfault:
>
> sage: M = Manifold()
>
> In fact, even trying to import manifold from sage.manifolds segfaults.  
> This does not happen on the Intel version of the app built from the same 
> branch of the repository.
>
> I have not been able to run a debugger on sage at all.  Of course 
> cysignals cannot produce a backtrace on macOS.  With lldb -p I get an error 
> saying that lldb is not allowed to attach to the process and referring me 
> to non-existent messages in system.log for explanations.  Running the 
> debugserver directly produces:
> error: failed to attach process 6619: unable to start the exception thread
>
> This occurs even if I run sage directly in the repo after the build 
> finishes - it does not have anything to do with the app.  (And the debugger 
> similarly refuses to attach to the process.)  I tried to run the debugger 
> as root and I also tried adding debugger entitlements and resigning the 
> app.  Neither make it possible for me to use lldb on sage itself.
>
> I am able to start the sage python3 in lldb.  If I knew how to import the 
> Manifold class from python I might be able to get somewhere.  But if I run
> >>> from sage.manifolds import manifold
> I get a python exception whose traceback ends with:
> File "sage/structure/category_object.pyx", line 60, in init 
> sage.structure.category_object 
> (build/cythonized/sage/structure/category_object.c:9914)
> ImportError: cannot import name Category
>
> - Marc
>
> On Saturday, January 15, 2022 at 4:30:08 PM UTC-6 Marc Culler wrote:
>
>> Hi Matthias,
>>
>> I have posted binary releases for 9.5.rc1 on macOS with Intel or Arm CPUs 
>> at https://github.com/3-manifolds/Sage_macOS/releases/tag/v1.3-rc1.  
>> There are two separate disk images.  You may recall that I do not use 
>> Homebrew or Conda, but I did have to use an experimental binary release of 
>> gfortran for M1 since I was not able to build the gfortran spkg.
>>
>> - Marc
>>
>> On Saturday, January 15, 2022 at 3:01:14 PM UTC-6 matthia...@gmail.com 
>> wrote:
>>
> Based on the runs on GH Actions, I have updated the summary of platform 
>>> support in https://wiki.sagemath.org/ReleaseTours/sage-9.5#Sources
>>>
>>> TL;DR: It's all good now on all platforms tested on GH Actions, 
>>> including Cygwin.
>>> But I would urge that 9.5 still merge the positively reviews tickets 
>>> marked "critical"/"blocker", such as 
>>> https://trac.sagemath.org/ticket/29285 (which fixes the build in the 
>>> presence of pyenv).
>>> Also *note we have absolutely no automatic testing for the Apple 
>>> Silicon (M1) platform.* So it would be good if users/developers who 
>>> have access to this platform test the release candidate.
>>>
>>>
>>>
>>> On Friday, January 14, 2022 at 8:14:13 AM UTC-8 Matthias Köppe wrote:
>>>
>>>> On Thursday, January 13, 2022 at 3:22:03 PM UTC-8 Volker Braun wrote:
>>>>
>>>>> As always, you can get the latest beta version from the "develop" git 
>>>>> branch. Alternatively, the self-contained source tarball is at 
>>>>> http://www.sagemath.org/download-latest.html
>>>>>
>>>>> 3da1b22c25 (HEAD -> develop, tag: 9.5.rc1, trac/develop) Updated 
>>>>> SageMath version to 9.5.rc1
>>>>>
>>>>
>>>> Thanks for the new rc. Tests are running at 
>>>> https://github.com/sagemath/sage/actions/runs/1690315877 (Linux, 
>>>> macOS) and https://github.com/sagemath/sage/actions/runs/1690315874 
>>>> (Cygwin).
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>  
>>>>
>>>

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