[chimerax-users] Error on save

[Greg Couch]

This is a bug in daily builds after September 14th.  It should be fixed 
today.

     -- Greg

On 9/23/2021 8:27 AM, Eric Pettersen via ChimeraX-users wrote:
> Hi Christophe,
> We have a ticket open in our bug database for this problem: #5258 
> (Session code trying to take len() of 'SurfaceUpdaters') 
> <https://www.rbvi.ucsf.edu/trac/ChimeraX/ticket/5258>.  I will add you 
> to the recipient list for that ticket so that you will be notified 
> when it get fixed.
>
> --Eric
>
> Eric Pettersen
> UCSF Computer Graphics Lab
>
>
>> On Sep 23, 2021, at 6:40 AM, Christophe Leterrier via ChimeraX-users 
>> <chimerax-users at cgl.ucsf.edu <mailto:chimerax-users at cgl.ucsf.edu>> wrote:
>>
>> This is the Traceback from the log:
>>
>> Traceback (most recent call last):
>>   File 
>> "/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/chimerax/core/session.py", 
>> line 887, in save
>>     session.save(output, version=version, include_maps=include_maps)
>>   File 
>> "/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/chimerax/core/session.py", 
>> line 616, in save
>>     mgr.discovery(self._state_containers)
>>   File 
>> "/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/chimerax/core/session.py", 
>> line 242, in discovery
>>     if sm is None and len(value) == 0:
>> TypeError: object of type 'SurfaceUpdaters' has no len()
>>
>> TypeError: object of type 'SurfaceUpdaters' has no len()
>>
>> File 
>> "/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/chimerax/core/session.py", 
>> line 242, in discovery
>> if sm is None and len(value) == 0:
>>
>> On Thu, 23 Sept 2021 at 15:38, Christophe Leterrier 
>> <christophe.leterrier at gmail.com 
>> <mailto:christophe.leterrier at gmail.com>> wrote:
>>
>>     HI,
>>
>>     When I'm saving a session displaying 3D image stacks as surfaces
>>     into a csx file, I get this error:
>>     TypeError: object of type 'SurfaceUpdaters' has no len() File
>>     "/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/chimerax/core/session.py",
>>     line 242, in discovery if sm is None and len(value) == 0:
>>     However if I switch the displayed stacks as volume, then there is
>>     no error on save.
>>     This is with the daily build 1.3.dev202109160803 (2021-09-16) on
>>     OSX Big Sur (Intel architecture).
>>     Thanks,
>>     Christophe
>>
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>
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