[Qgis-developer] Is there an advantage in using pyuic on command line instead of uic.loadUi in plugin source?

[Tim Sutton]

Hi


On Tue, May 6, 2014 at 9:04 AM, Tim Sutton <lists at linfiniti.com> wrote:

> Hi
>
>
> On Tue, May 6, 2014 at 9:01 AM, Tim Sutton <lists at linfiniti.com> wrote:
>
>> Hi
>>
>>
>> On Tue, May 6, 2014 at 8:54 AM, Nathan Woodrow <madmanwoo at gmail.com>wrote:
>>
>>> I normally do it this way:
>>>
>>> base, widget = uic.loadUiType('myui.ui')
>>>
>>> class MyWidget(base, widget):
>>>     def __init__(self, parent=None)
>>>          super(MyWidget, self).__init__(parent)
>>>
>>
>> According to the docs[1] you get the concrete class first, then the base
>> class in the returned tuple:
>>
>> PyQt4.uic.loadUiType(*uifile*[, *from_imports=False*[,
>> *resource_suffix='_rc'*]])<http://pyqt.sourceforge.net/Docs/PyQt4/designer.html#PyQt4.uic.loadUiType>
>>
>> Load a Qt Designer .ui file and return a tuple of the generated *form
>> class* and the *Qt base class*. These can then be used to create any
>> number of instances of the user interface without having to parse the .ui file
>> more than once.
>>
>> [1] http://pyqt.sourceforge.net/Docs/PyQt4/designer.html#the-uic-module
>>
>> Regards
>>
>>
> Ah did you mean that you save a line of code by using super?
>

Ok tested here so I still need to call self.setupUi so no lines of code
saved.

T


>
> Regards
>
> Tim
>
>
>> Tim
>>
>>
>>> - Nathan
>>>
>>>
>>> On Tue, May 6, 2014 at 4:52 PM, Tim Sutton <lists at linfiniti.com> wrote:
>>>
>>>> Hi
>>>>
>>>>
>>>> On Sat, Apr 26, 2014 at 2:45 PM, Anita Graser <anitagraser at gmx.at>wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I'm wondering if there is an advantage in using pyuic to manually
>>>>> compile .ui files instead of just using uic.loadUi() in the plugin
>>>>> directly, e.g.
>>>>>
>>>>> from PyQt4 import uic
>>>>> self.dock = uic.loadUi( os.path.join( path, "dockwidget2.ui" ) )
>>>>>
>>>>>
>>>> As Martin mentioned, getting the class type back is nicer. I tested
>>>> this and it works nicely:
>>>>
>>>>
>>>> ----------------
>>>>
>>>> import os
>>>>
>>>> from PyQt4 import QtCore, QtGui, uic
>>>>
>>>> BASE_CLASS = uic.loadUiType(os.path.join(
>>>>     os.path.dirname(__file__), 'results_dialog_base.ui'))[0]
>>>>
>>>>
>>>> class ResultDialog(QtGui.QDialog, BASE_CLASS):
>>>>     """Dialog for showing the results of the plugin creation process."""
>>>>     def __init__(self):
>>>>         QtGui.QDialog.__init__(self)
>>>>         # Set up the user interface from Designer.
>>>>         self.setupUi(self)
>>>>
>>>> --------------
>>>>
>>>> The advantage is that you can use Qt multi-inheritance which means less
>>>> and cleaner code. More details in the Qt section at [1].
>>>>
>>>> [1] http://test.inasafe.org/en/developer-docs/coding_standards.html
>>>>
>>>> Regards
>>>>
>>>> Tim
>>>>
>>>>
>>>>
>>>>
>>>>> Thanks for any insights!
>>>>>
>>>>> Best wishes,
>>>>> Anita
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> anitagraser.com
>>>>> _______________________________________________
>>>>> Qgis-developer mailing list
>>>>> Qgis-developer at lists.osgeo.org
>>>>> http://lists.osgeo.org/mailman/listinfo/qgis-developer
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Tim Sutton - QGIS Project Steering Committee Member
>>>> ==============================================
>>>> Please do not email me off-list with technical
>>>> support questions. Using the lists will gain
>>>> more exposure for your issues and the knowledge
>>>> surrounding your issue will be shared with all.
>>>>
>>>> Irc: timlinux on #qgis at freenode.net
>>>> ==============================================
>>>>
>>>> _______________________________________________
>>>> Qgis-developer mailing list
>>>> Qgis-developer at lists.osgeo.org
>>>> http://lists.osgeo.org/mailman/listinfo/qgis-developer
>>>>
>>>
>>>
>>
>>
>> --
>> Tim Sutton - QGIS Project Steering Committee Member
>> ==============================================
>> Please do not email me off-list with technical
>> support questions. Using the lists will gain
>> more exposure for your issues and the knowledge
>> surrounding your issue will be shared with all.
>>
>> Irc: timlinux on #qgis at freenode.net
>> ==============================================
>>
>
>
>
> --
> Tim Sutton - QGIS Project Steering Committee Member
> ==============================================
> Please do not email me off-list with technical
> support questions. Using the lists will gain
> more exposure for your issues and the knowledge
> surrounding your issue will be shared with all.
>
> Irc: timlinux on #qgis at freenode.net
> ==============================================
>



-- 
Tim Sutton - QGIS Project Steering Committee Member
==============================================
Please do not email me off-list with technical
support questions. Using the lists will gain
more exposure for your issues and the knowledge
surrounding your issue will be shared with all.

Irc: timlinux on #qgis at freenode.net
==============================================
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