[QGIS-Developer] Removing QgsProject.instance() from Python bindings?

Tim Sutton tim at kartoza.com
Fri Dec 22 22:03:29 PST 2017


> On 23 Dec 2017, at 06:40, Nyall Dawson <nyall.dawson at gmail.com> wrote:
> Hi all,
> Just wondering... before 3.0 launch, should we remove
> QgsProject.instance() from the Python bindings, in favour of something
> like iface.activeProject()?

+1 That sounds much more intuitive to me.



> Sometime in the future (4.0?) we'll end up killing
> QgsProject.instance(), but in the meantime is it a good move to push
> people away from relying on this method?
> I'd say yes, given that the 2.x -> 3.0 api break is so huge anyway and
> will generally result in substantial plugin rewriting (vs just
> modifying a few methods), maybe we're better off to get PyQGIS
> developers to deal with this now and factor it into their new
> designs?*
> Nyall
> * based on the belief that 3.x -> 4.0 will be a gentler transition!!
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Tim Sutton

Co-founder: Kartoza
Project chair: QGIS.org

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