Vitables issue
Bertrand GIROD
I have a problem running Vitables (view command):
No module named PyQt4
So I installed this module for Python 2.7: PyQt4-4.11.4-gpl-Py2.7-Qt4.8.7-x64.exe
When relaunching I get the following error:
LIAM2 0.12.0alpha1 (64bit)
Launching ViTables ...
Trying to open: D: \ LIAM2 \ liam2-source \ liam2 \ tests \ examples \ demo.h5
ERROR: API 'QDate' has already been set to version 1
the technical error log can be found at d: \ LIAM2 \ Anaconda \ Scripts \ error.log
Content of the log file:
Traceback (most recent call last):
File "D: \ LIAM2 \ liam2-source \ liam2 \ main.py", line 361, in <module>
hand()
File "D: \ LIAM2 \ liam2-source \ liam2 \ main.py", line 351, in main
return func (* args)
File "D: \ LIAM2 \ liam2-source \ liam2 \ main.py", line 200, in display
viewhdf (files)
File "D: \ LIAM2 \ liam2-source \ liam2 \ view.py", line 42, in viewhdf
from vitables.vtapp import VTApp
File "D: \ LIAM2 \ Anaconda \ lib \ site-packages \ vitables-3.0.0-py2.7.egg \ vitables \ vtapp.py", line 34, in <module>
from qtpy import QtCore
File "D: \ LIAM2 \ Anaconda \ lib \ site-packages \ qtpy \ __ init__.py", line 127, in <module>
sip.setapi ('QDate', 2)
ValueError: API 'QDate' has already been set to version 1
FYI, I use Anaconda: Python 2.7.14 | Anaconda, Inc. | (default, Oct 15 2017, 03:34:40) [MSC v.1500 64 bit (AMD64)] on win32
Thanks for your help.
Gaëtan de Menten
Hello Bertrand,
The installation instructions were quite out of date until very recently and still do not mention the fact that installation using anaconda is currently "broken" (anaconda includes newer versions of packages which are not supported yet). I am truly sorry about this and I will fix this ASAP.
Since you are on Windows, are you planning to modify LIAM2 itself? If not, you would have an easier time installing via the bundle provided on LIAM2 website.
Now, assuming you do want to install from source, you currently have to follow the instructions under the miniconda section:
https://github.com/liam2/liam2/blob/master/INSTALL.rst#using-miniconda-all-platforms
Note, that If you are using anaconda or miniconda, it is better to use the "conda" package manager to install new packages (for example qt/pyqt) instead of Windows installer like you did.
If you are not using anaconda for something else, I think it will be easier to uninstall anaconda and restart from scratch, following the instructions at:
https://github.com/liam2/liam2/blob/master/INSTALL.rst#using-miniconda-all-platforms
If you are using anaconda for something else I guess you will have to do something like this:
* uninstall pyqt4 using the uninstaller provided.
* uninstall vitables (I see you have vitables 3 installed, which is not supported yet)
* create a virtual environment for liam2, activate it and then follow the instructions below (except the step telling you to install miniconda):
https://github.com/liam2/liam2/blob/master/INSTALL.rst#using-miniconda-all-platforms
Sorry again for the trouble caused,
Gaëtan
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