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.

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


  • 1
    $\begingroup$ What's the need for the ob variable? $\endgroup$ – rien333 Feb 2 '18 at 10:30
  • 1
    $\begingroup$ 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) $\endgroup$ – andyV Jul 21 '19 at 5:44
  • $\begingroup$ thanks for this simple example. arent we suppose to free the bmesh after ? $\endgroup$ – DB3D Sep 24 '19 at 21:14

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