Display all users of a datablock

Question

How can I see all the "users" of a datablock? Is it possible with the Blender's UI? With Python?

For example, I'd like to know which 3 objects are the users of my material:

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For that specific case you can select one object which you know has the material and press Shift L > Material. — gandalf3, Jun 24 '14 at 03:46
For the material check this : http://blender.stackexchange.com/questions/4817/how-to-know-which-object-is-using-a-material — lucblender, Jun 24 '14 at 07:36

score 5 · Accepted Answer · answered Jun 24 '14 at 07:39

Without Python:

You can simply select one of the objects and use Shift+L > Material to select all the objects that share the same material. If the object has more than one material, it'll check for the one that's currently active.

With Python:

It's a bit of a workaround. Each material has the attribute users, but this is only the number of users and not actually a list of objects/data.

So in order to get a list of all the objects that use a certain material, we have to loop through the objects, then through each object's material slots:

import bpy

objects = bpy.context.selectable_objects
mat = bpy.context.object.active_material

for obj in objects:
    for slot in obj.material_slots:
        if slot.material == mat:
            obj.select = True

Another non-python way is to search with the outliner – sambler Jun 24 '14 at 08:18 — sambler, Jun 24 '14 at 08:18

Display all users of a datablock

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