Hi Peter,
Have a look at this answer here, which explains how you can trigger the
same behavior without using the print and relying on side-effects of the
console open.
It also outlines the risks involved in using this kind of approach.
https://gis.stackexchange.com/a/257016
Cheers
Matthias
On 10/05/2017 03:25 PM, Peter Devoy wrote:
Just a little update; it is the fact I am using print() to output
debug information upon each request which is allowing the UI to
repaint. Also, it seems that opening and closing the Python console
once is enough.
Peter
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On 4 October 2017 at 20:53, Peter Devoy <[email protected]> wrote:
Hi all
In my plugin I have extended QAbstractListModel to create a list of
objects; each object in the list has a 'url' property containing the
URL of an API resource. When the user selects a feature in main QGIS
interface, each object in the list makes a HTTP request to its URL and
updates its properties from the response data.
Changes in the objects' properties are reflected in a QListView. E.g.
a property 'status' is set to 'WARN' if the HTTP request fails --
this is reflected in the QListView by the respective list item's icon
turning yellow.
If I have the Python console open in QGIS the QListView items update
as the ListModel's objects update. However, if the Python console is
not open, the plugin's UI thread appears to be blocked until each item
in the list has completed its changes and all the items update at
once; please can anyone recommend a way to avoid this?
I have been developing on QGIS 2.1X.
Kind regards
Peter
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