[mcstas-users] Pyqt problem on fresh install
Jean-Francois Moulin
jean-francois.moulin at hereon.de
Thu Mar 24 16:13:00 CET 2022
Hi Thx,
well yes the gui starts but mcrun seems to have rights issues.
/bin/sh: 1: mcrun: Permission denied
I will uninstall and retry with 3.1 (which I initially planned to use
anyway) and report, but unfortunately not in the next hours.
Cheers,
JF
On 3/24/22 16:05, Peter Kjær Willendrup wrote:
> Hi,
>
>
> Good that you found a solution / hack . :-) I do think you should also
> make sure you have e.g. the Python mcrun, I believe this is what mcgui
> will be configured to use...
>
> In regard to the tool layer, this is almost identical in 2.7.1 and
> 3.1. And 3.1 can be worth investing a little time in e.g. because of
> the (NVIDIA) GPU support.
>
> See the relevant sections in
> https://github.com/McStasMcXtrace/McCode/wiki in regard to conversion
> of instruments (and your own comps).
>
>
> Best
> Peter
>
>
>
>> On 24 Mar 2022, at 16.01, Peter Kjær Willendrup <pkwi at fysik.dtu.dk>
>> wrote:
>>
>> Hi,
>>
>>
>> Hmm. Did you install the packages independently or using the “python
>> metapackage”, i.e.
>> mcstas-suite-python (or mcstas-suite-python-ng in the case of 3.1)
>>
>> You may also try to directly install the python mcrun package
>>
>> apt-get install mcstas-tools-python-mcrun-2.7.1
>>
>>
>> Best,
>> Peter
>>
>>
>>
>>> On 24 Mar 2022, at 15.56, Jean-Francois Moulin
>>> <jean-francois.moulin at hereon.de> wrote:
>>>
>>> well,
>>>
>>> This is what I see with a print statement at the beginning of mcgui.py
>>>
>>> PyQt5.__file__ :
>>> /home/jfmoulin/.local/lib/python3.8/site-packages/PyQt5/__init__.py
>>>
>>> So, yes, this is my pip installed Qt
>>>
>>> Trying your sugestion:
>>>
>>> jfmoulin at jfm17:~$ mcstas-2.7.1-environment The new shell
>>> started here is now set up for running this version of mcstas:
>>> McStas version 2.7.1 (Oct. 04, 2021) Copyright (C) DTU Physics
>>> and Risoe National Laboratory, 1997-2021 Additions (C) Institut
>>> Laue Langevin, 2003-2021 All rights reserved To end using
>>> this version of mcstas, exit this shell. ---- (in this same shell)
>>>
>>> jfmoulin at jfm17:~$ mcrun Command 'mcrun' not found, did you
>>> mean: command 'mcron' from deb mcron (1.0.8-1build1) ...
>>>
>>> so, still no joy.
>>>
>>> I tried here under 2.7.1 which is the one I installed after having
>>> the problem with 3.1 in the first place.
>>>
>>> And, BTW, what is a desktop launcher ;0) (i.e, I called mcrun from a
>>> shell as reported in my previous mail. No clicking, I swear.)
>>>
>>> Moreover, I seem to be stuck in the perl past for mcrun:
>>>
>>> jfmoulin at jfm17:~$ which mcgui
>>> /usr/share/mcstas/2.7.1/bin/mcgui
>>> --------------------------------------------------------------------------------
>>>
>>> jfmoulin at jfm17:~$ ls /usr/share/mcstas/2.7.1/bin/
>>> cif2hkl mcformat mcpl2ssw mcstas postinst
>>> mcdisplay-mantid.pl mcgui mcpltool mcstas_errmsg
>>> pymcpltool mcdoc.pl mcpl2phits mcrun.pl
>>> phits2mcpl ssw2mcpl
>>>
>>> On 3/24/22 13:44, Peter Kjær Willendrup wrote:
>>>> Hi again,
>>>>
>>>>
>>>> I am quite sure your user environment could affect the Python
>>>> environment that e.g. mcgui “sees”.
>>>>
>>>> Your mcrun should in fact be sitting in the same directory where
>>>> mcgui resides? But maybe you started it via a Desktop launcher?
>>>>
>>>>
>>>> Running (e.g.)
>>>> mcstas-3.1-environement
>>>>
>>>> should give you a shell which knows about the Python mcrun?
>>>>
>>>> Alternatively call mcrun with the full path, this should be
>>>> something like
>>>> /usr/share/mcstas/3.1/bin/mcrun
>>>>
>>>> mcrun.pl is “so much last year” ;-)
>>>>
>>>>
>>>> Best,
>>>> Peter
>>>>
>>>>
>>>>> On 24 Mar 2022, at 13.30, Jean-Francois Moulin
>>>>> <jean-francois.moulin at hereon.de> wrote:
>>>>>
>>>>> Dear Peter,
>>>>>
>>>>> thanks for your suggestions!
>>>>>
>>>>> Synaptic shows:
>>>>>
>>>>> libqscintilla2-qt5-15 2.11.2+dfsg-6
>>>>>
>>>>> My mint (20.3) is fresh, but not mint ;0)
>>>>>
>>>>> Regarding python, usually I pip install as a normal user. I am not
>>>>> quite sure what then gets precedence here... mcstas will call the
>>>>> system installed package, right ? Or does it inherit from the user
>>>>> calling mcgui?
>>>>>
>>>>> I am now running mcstas 2.7.1 from ppa and actually cannot find
>>>>> execute mcrun as such:
>>>>>
>>>>> jfmoulin at jfm17:~$ mcrun --write-user-config Command
>>>>> 'mcrun' not found, did you mean: command 'crun' from deb
>>>>> crun (0.12.1+dfsg-1) command 'mcron' from deb mcron
>>>>> (1.0.8-1build1) Try: sudo apt install <deb name>
>>>>>
>>>>> mcrun.pl is actually found at usr/bin/mcrun.pl though. Link missing?
>>>>>
>>>>> Cheers,
>>>>>
>>>>> Jean-François
>>>>>
>>>>> On 3/24/22 09:31, Peter Kjær Willendrup wrote:
>>>>>> Dear Jean-Francois,
>>>>>>
>>>>>>
>>>>>> OK, thank you for the information.
>>>>>>
>>>>>> Which exact Linux Mint are you on? As I remember Mint is a
>>>>>> Debian-variant - and was our Debian packages your method of
>>>>>> installation? In this situation, the dependencies are assumed to
>>>>>> be resolved using Python modules provided by the OS itself, not
>>>>>> conda or pip.
>>>>>>
>>>>>> The problem seems to relate to problems in the scintilla-based
>>>>>> editor, which version of libqscintilla is installed?
>>>>>>
>>>>>> What I get on a Ubuntu 20.04 LTS (from the OS, not pip) is
>>>>>> ii libqscintilla2-qt5-15 2.11.2+dfsg-6 amd64 Qt5 port of the
>>>>>> Scintilla source code editing widget
>>>>>>
>>>>>>
>>>>>> Is your Mint python “in mint condition” ( ;-) ) or has it been
>>>>>> enriched with pip-stuff installed at the system level? In the
>>>>>> latter case it may be worth checking how the code behaves in a
>>>>>> “pure” environment.
>>>>>>
>>>>>>
>>>>>> Now to a more practical attempt at a solution:
>>>>>>
>>>>>> I would try upgrading to 2.7.1 and/or 3.1 which have a new
>>>>>> configuration-option in mccode_config.json that allows to avoid
>>>>>> using scintilla all together:
>>>>>>
>>>>>> mcstas-3.1 env ~ $ mcrun --write-user-config
>>>>>> loading system configuration
>>>>>> userconfig saved to /Users/pkwi/.mcstas/3.1/mccode_config.json
>>>>>>
>>>>>> and then edit mccode_config.json so that
>>>>>>
>>>>>> "QSCI": “0"
>>>>>>
>>>>>> This should avoid any reference to the qscintilla lib and widgets.
>>>>>>
>>>>>>
>>>>>> Best and let me know how it goes,
>>>>>>
>>>>>> Peter
>>>>>>
>>>>>>
>>>>>>> On 23 Mar 2022, at 13.16, Jean-Francois Moulin
>>>>>>> <jean-francois.moulin at hereon.de> wrote:
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Hello,
>>>>>>>
>>>>>>>
>>>>>>> I just tried a fresh install of mcstas on a linux mint box and
>>>>>>> could not start mcgui. The backtrace seems to point to a
>>>>>>> conflict with the installed pyqt5:
>>>>>>>
>>>>>>>
>>>>>>> Original exception was:
>>>>>>> Traceback (most recent call last):
>>>>>>> File
>>>>>>> "/usr/share/mcstas/2.7.1/bin/../tools/Python/mcgui/mcgui.py",
>>>>>>> line 945, in <module>
>>>>>>> main()
>>>>>>> File
>>>>>>> "/usr/share/mcstas/2.7.1/bin/../tools/Python/mcgui/mcgui.py",
>>>>>>> line 935, in main
>>>>>>> mcguiApp.ctr = McGuiAppController()
>>>>>>> File
>>>>>>> "/usr/share/mcstas/2.7.1/bin/../tools/Python/mcgui/mcgui.py",
>>>>>>> line 417, in __init__
>>>>>>> self.view = McView()
>>>>>>> File
>>>>>>> "/usr/share/mcstas/2.7.1/tools/Python/mcgui/viewclasses.py",
>>>>>>> line 23, in __init__
>>>>>>> self.ew = McCodeEditorWindow()
>>>>>>> File
>>>>>>> "/usr/share/mcstas/2.7.1/tools/Python/mcgui/viewclasses.py",
>>>>>>> line 281, in __init__
>>>>>>> self.__initScintilla()
>>>>>>> File
>>>>>>> "/usr/share/mcstas/2.7.1/tools/Python/mcgui/viewclasses.py",
>>>>>>> line 471, in __initScintilla
>>>>>>> from PyQt5 import Qsci
>>>>>>> ValueError: PyCapsule_GetPointer called with incorrect name
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> I tried both 2.7 and 3 versions, both show the same behaviour.
>>>>>>>
>>>>>>>
>>>>>>> For Info, pip3 list returns the following
>>>>>>>
>>>>>>> PyQt5 5.15.6
>>>>>>> PyQt5-Qt5 5.15.2
>>>>>>> PyQt5-sip 12.9.1
>>>>>>>
>>>>>>>
>>>>>>> Any help appreciated!
>>>>>>>
>>>>>>> Jean-François
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Bitte beachten Sie: Die Helmholtz-Zentrum Geesthacht - Zentrum
>>>>>>> für Material- und Küstenforschung GmbH hat sich am 31.03.2021 in
>>>>>>> Helmholtz-Zentrum hereon GmbH umbenannt. Informationen dazu
>>>>>>> finden Sie unter www.hereon.de/name <http://www.hereon.de/name>
>>>>>>> <https://www.hereon.de/name>
>>>>>>>
>>>>>>> Please note: Since the 31st of March 2021 the Helmholtz-Zentrum
>>>>>>> Geesthacht – Center for Materials and Coastal Research has a new
>>>>>>> name: Helmholtz-Zentrum hereon GmbH. More information
>>>>>>> www.hereon.de/rebranding <http://www.hereon.de/rebranding>
>>>>>>> <https://www.hereon.de/rebranding>
>>>>>>>
>>>>>>> ------------------------------------------------------------------------------
>>>>>>> Helmholtz-Zentrum hereon GmbH
>>>>>>> Max-Planck-Straße 1 I 21502 Geesthacht I Deutschland/Germany
>>>>>>>
>>>>>>> Geschäftsführung I Board of Management: Prof. Dr. Matthias
>>>>>>> Rehahn, Silke Simon
>>>>>>> Vorsitzender des Aufsichtsrates I Chairman of the Supervisory
>>>>>>> Board: Ministerialdirigent Engelbert Beyer
>>>>>>> Amtsgericht Lübeck HRB 285 GE (Register Court)
>>>>>>> Internet: www.hereon.de <http://www.hereon.de/>
>>>>>>> <https://www.hereon.de>
>>>>>>> _______________________________________________
>>>>>>> mcstas-users mailing list
>>>>>>> mcstas-users at mcstas.org
>>>>>>> https://mailman2.mcstas.org/mailman/listinfo/mcstas-users
>>>>>>
>>>>> --
>>>>> Dr. Jean-François Moulin
>>>>> German Engineering Materials Science Centre (GEMS)
>>>>> at Heinz Maier-Leibnitz Zentrum (MLZ)
>>>>> Helmholtz-Zentrum Hereon
>>>>> Lichtenbergstr. 1, 85747 Garching bei München, Germany
>>>>> phone: +49-89-158860-762; email:jean-francois.moulin at hereon.de
>>>>>
>>>>>
>>>>> Bitte beachten Sie: Die Helmholtz-Zentrum Geesthacht - Zentrum für
>>>>> Material- und Küstenforschung GmbH hat sich am 31.03.2021 in
>>>>> Helmholtz-Zentrum hereon GmbH umbenannt. Informationen dazu finden
>>>>> Sie unter www.hereon.de/name <https://www.hereon.de/name>
>>>>>
>>>>> Please note: Since the 31st of March 2021 the Helmholtz-Zentrum
>>>>> Geesthacht – Center for Materials and Coastal Research has a new
>>>>> name: Helmholtz-Zentrum hereon GmbH. More information
>>>>> www.hereon.de/rebranding <https://www.hereon.de/rebranding>
>>>>> ------------------------------------------------------------------------
>>>>> Helmholtz-Zentrum hereon GmbH
>>>>> Max-Planck-Straße 1 I 21502 Geesthacht I Deutschland/Germany
>>>>>
>>>>> Geschäftsführung I Board of Management: Prof. Dr. Matthias Rehahn,
>>>>> Silke Simon
>>>>> Vorsitzender des Aufsichtsrates I Chairman of the Supervisory
>>>>> Board: Ministerialdirigent Engelbert Beyer
>>>>> Amtsgericht Lübeck HRB 285 GE (Register Court)
>>>>> Internet: www.hereon.de <https://www.hereon.de/>
>>>>>
>>>>
>>> --
>>> Dr. Jean-François Moulin
>>> German Engineering Materials Science Centre (GEMS)
>>> at Heinz Maier-Leibnitz Zentrum (MLZ)
>>> Helmholtz-Zentrum Hereon
>>> Lichtenbergstr. 1, 85747 Garching bei München, Germany
>>> phone: +49-89-158860-762; email:jean-francois.moulin at hereon.de
>>>
>>>
>>> Bitte beachten Sie: Die Helmholtz-Zentrum Geesthacht - Zentrum für
>>> Material- und Küstenforschung GmbH hat sich am 31.03.2021 in
>>> Helmholtz-Zentrum hereon GmbH umbenannt. Informationen dazu finden
>>> Sie unter www.hereon.de/name <https://www.hereon.de/name>
>>>
>>> Please note: Since the 31st of March 2021 the Helmholtz-Zentrum
>>> Geesthacht – Center for Materials and Coastal Research has a new
>>> name: Helmholtz-Zentrum hereon GmbH. More information
>>> www.hereon.de/rebranding <https://www.hereon.de/rebranding>
>>> ------------------------------------------------------------------------
>>> Helmholtz-Zentrum hereon GmbH
>>> Max-Planck-Straße 1 I 21502 Geesthacht I Deutschland/Germany
>>>
>>> Geschäftsführung I Board of Management: Prof. Dr. Matthias Rehahn,
>>> Silke Simon
>>> Vorsitzender des Aufsichtsrates I Chairman of the Supervisory Board:
>>> Ministerialdirigent Engelbert Beyer
>>> Amtsgericht Lübeck HRB 285 GE (Register Court)
>>> Internet: www.hereon.de <https://www.hereon.de/>
>>>
>>
>
--
Dr. Jean-François Moulin
German Engineering Materials Science Centre (GEMS)
at Heinz Maier-Leibnitz Zentrum (MLZ)
Helmholtz-Zentrum Hereon
Lichtenbergstr. 1, 85747 Garching bei München, Germany
phone: +49-89-158860-762; email:jean-francois.moulin at hereon.de
Bitte beachten Sie: Die Helmholtz-Zentrum Geesthacht - Zentrum für Material- und Küstenforschung GmbH hat sich am 31.03.2021 in Helmholtz-Zentrum hereon GmbH umbenannt. Informationen dazu finden Sie unter www.hereon.de/name <https://www.hereon.de/name>
Please note: Since the 31st of March 2021 the Helmholtz-Zentrum Geesthacht – Center for Materials and Coastal Research has a new name: Helmholtz-Zentrum hereon GmbH. More information www.hereon.de/rebranding <https://www.hereon.de/rebranding>
------------------------------------------------------------------------------
Helmholtz-Zentrum hereon GmbH
Max-Planck-Straße 1 I 21502 Geesthacht I Deutschland/Germany
Geschäftsführung I Board of Management: Prof. Dr. Matthias Rehahn, Silke Simon
Vorsitzender des Aufsichtsrates I Chairman of the Supervisory Board: Ministerialdirigent Engelbert Beyer
Amtsgericht Lübeck HRB 285 GE (Register Court)
Internet: www.hereon.de <https://www.hereon.de>
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