QGIS Python (PyQGIS) - Loading and symbolizing vector layers

Use the QGIS Python API to write a script that loads and creates custom symbology or symbolization for a vector layer.

[boomknuffelaar]

Hey man, great video! It's really helpful for discovering what's possible with python in qgis. I find it even better that you left in some of the errors, which you then debugged.

[KDelphinidae]

One idea for a new video-- Been trying to figure out how to open an existing QGIS layer with pre-loaded labels. Having to add label names via the Properties -> Labels -> Single Labels by hand after the file is loaded otherwise.

[edproductions]

this is very helpful! Is there anyway to then export the layer as a QLR so it can easily be uploaded into Q already symbolized?

[soulbroken]

thank you for this tutoriel, i have juste one question if you ca helm me please,
I'm trying to load on QGIS interface a geom tab with it's attribute from my data base postgis using PyQGIS.
This tables was created before usinf an import from a shape file.
For my project I which juste work with my data base.

Thank you in advance for your answer.

[flaviofelix]

That's cool !! congrats !...but how can I do if my date come from a SQLServer table, instead of a shape file in a folder ? any tip ?

[caro_line]

Thans for your gread videos. But import GUI seem not to work for QGIS3 (PyQt5). Any hint how to solve it with QGIS 3?

[abdumushuk]

how did you manage to make a mistake for every single line of code? lol