Select vertices of mesh in python

Question

What is the python way to select vertices of a mesh?

I've tried:

for vert in obj.data.vertices:  
    vert.select = True

I ran the above code in edit mode, but the vertices didn't turn yellow.

related : http://blenderartists.org/forum/archive/index.php/t-200305.html — Knuckles209cp, Jan 13 '15 at 05:22

score 14 · Accepted Answer · edited Sep 18 '18 at 08:13

14

import bpy,bmesh

ob   = bpy.data.objects['Cube']
mesh = bmesh.from_edit_mesh(ob.data)
for v in mesh.verts:
    v.select = True

# trigger viewport update
bpy.context.scene.objects.active = bpy.context.scene.objects.active

Docs

edited Sep 18 '18 at 08:13

Leander

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answered Jan 13 '15 at 08:19

stacker

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1

What's the need for the ob variable? – rien333 Feb 02 '18 at 10:30
1

I believe it's just so you don't have to keep typing bpy.data.objects['Cube'], for instance, where it's accessed again in bmesh.from_edit_mesh(ob.data) – andyV Jul 21 '19 at 05:44
1

thanks for this simple example. arent we suppose to free the bmesh after ? – Fox Sep 24 '19 at 21:14
When trying this in Blender 2.91 it complains that "The mesh must be in editmode".. – user299831 Feb 21 '21 at 18:43
@user299831 bmesh.from_edit_mesh requires you being in edit mode for the object initially. – S. Magnusson Dec 31 '21 at 20:06

Select vertices of mesh in python

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