I think you'd be better served with a small launcher app. That allows for the artist to make their selection. Then that opens the proper app from the proper location. Otherwise you're going to be fighting a lot of low level language machinery to get what you want.
On Friday, July 27, 2018 at 8:46:48 AM UTC-5, Juan Cristóbal Quesada wrote: > > basically, > the same application when a selection button is clicked should perform > again all the imports from a specific repository. This specific repository > is not known beforehand, it is only known at the specific moment when the > artist chooses and hits that button. > Some of the dependencies are duplicated in both folders, so what im doing > is deleting the modules loaded in the "pre-button hit", modifiying the sys > path and then importing them manually again to the sys.modules dictionary > For example, we are using the Qt.py module. This module is duplicated and > appears in the "static" repo and also in every other "dynamic" repo, > although the PySide modules are the same. > uhmm, maybe i could treat PySide modules as a special case and choose not > to reimport them...... will give it a try. > > Apparently im not having any other problems with importing the 'dynamic' > repo modules but when it comes to PySide it does.... is this a general > behaviour of compiled libraries? > > > 2018-07-27 3:35 GMT+02:00 Alok Gandhi <alok.ga...@gmail.com <javascript:>> > : > >> Try using importlib <https://docs.python.org/2/library/importlib.html>or >> imp <https://docs.python.org/2.7/library/imp.html> >> >> Although, as Justin has already pointed out, it is not recommended to use >> reload in production code or to dynamically append/insert paths in sys.path. >> >> Give more thought to the design and architecture of your app. A good >> design should handle dependencies in a more elegant and efficient manner. A >> possible design idea would be this - If you are already aware of all the >> path that the app might need during runtime, load them up at boot time and >> use them later. Do note the fact that python modules are first class object >> i.e they can be used as a variable, can be dynamically created, passed and >> returned from a function. Use this for your design. >> >> - Alok >> >> On Fri, Jul 27, 2018 at 7:00 AM Justin Israel <justin...@gmail.com >> <javascript:>> wrote: >> >>> Would you be able to explain a bit more about the goal you are trying to >>> solve, with dynamically loading a second widget into your main application? >>> Does this second widget have drastically different dependencies? I'm >>> interested specifically in the part where you need to reload modules. This >>> is where things are going to go wrong. It is one thing to modify the >>> sys.path (which you should still try to avoid at runtime), but reloading is >>> usually something only reserved for debug situations. It definitely does >>> not work correct with compiled extensions like the PySide modules. >>> >>> >>> >>> On Fri, Jul 27, 2018 at 1:52 AM Juan Cristóbal Quesada < >>> juan.cri...@gmail.com <javascript:>> wrote: >>> >>>> Hi, >>>> this is more of a pure python question i want to throw here. >>>> Im developing a PySide Application that is used as the >>>> context/task/app/openfile launcher by the artists. >>>> >>>> The artist makes some choices that drive him towards different dialogs >>>> and widgets. The thing is, due to a request, im facing the need to >>>> dynamically change the sys path and reload all the modules from a >>>> different >>>> location inside the same main QApplication. >>>> >>>> The reason for this is that, once an artist makes a specific choice, >>>> all the following widgets... and code that is executed should be loaded >>>> from another location different than the current app. But, should look as >>>> if it were still part of the same app, the widgets need to appear embedded. >>>> >>>> Ive managed to change the sys.path of the original folder to the folder >>>> i want and successfully loaded all the modules from the new path, but then >>>> im starting to get some strange behavior: >>>> >>>> QtCore.QObject.__init__(self) >>>> AttributeError: 'NoneType' object has no attribute 'QObject' >>>> >>>> (Even if performed the from PySide2 import QtCore) >>>> >>>> I understand what im trying to achieve is not very orthodox, i was >>>> wondering if its even possible! >>>> >>>> I would like to avoid obvious ways of separating it in two >>>> QApplications and closing one when the other is opened for example. >>>> >>>> Has any of you ever tried to do something like this? >>>> What concerns should i be aware of when doing it? >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Python Programming for Autodesk Maya" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to python_inside_maya+unsubscr...@googlegroups.com >>>> <javascript:>. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/python_inside_maya/CANOg8wWN-Gwzz-drk79z3C_CMxvLqC_iyCRzRbcH%2BZoAsXMJRw%40mail.gmail.com >>>> >>>> <https://groups.google.com/d/msgid/python_inside_maya/CANOg8wWN-Gwzz-drk79z3C_CMxvLqC_iyCRzRbcH%2BZoAsXMJRw%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>> . >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Python Programming for Autodesk Maya" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to python_inside_maya+unsubscr...@googlegroups.com >>> <javascript:>. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/python_inside_maya/CAPGFgA07W7eyZktdSOEgVuAGkO0TFO-bRHkh28fAaQDOB849JQ%40mail.gmail.com >>> >>> <https://groups.google.com/d/msgid/python_inside_maya/CAPGFgA07W7eyZktdSOEgVuAGkO0TFO-bRHkh28fAaQDOB849JQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> >> -- >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Python Programming for Autodesk Maya" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to python_inside_maya+unsubscr...@googlegroups.com <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/python_inside_maya/CAPaTLMRzu_d9%2BtP-b1fJawQ8DGYVHDmcW3FeXmb4%3DEEMU72D5g%40mail.gmail.com >> >> <https://groups.google.com/d/msgid/python_inside_maya/CAPaTLMRzu_d9%2BtP-b1fJawQ8DGYVHDmcW3FeXmb4%3DEEMU72D5g%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "Python Programming for Autodesk Maya" group. 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