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Is it possible to get the active strips in the NLA Editor with Python, in order to run a function on them?

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You can get the active NLA track, but the strips array has no property .active in the Python API. It's not exposed, but the active strip is known in the C code (note that the Active Strip panel is hardcoded).

All you can do with Python is to get all selected strips:

try:
    selected_strips = [strip for strip in bpy.context.object.animation_data.nla_tracks.active.strips if strip.select]
except AttributeError:
    selected_strips = []
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  • $\begingroup$ Thank you for your answer, it is as I thought when I looked the source. Too bad for my addon. $\endgroup$ – rools May 12 '14 at 12:18
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import bpy

for i in bpy.data.objects:
    for j in i.animation_data.nla_tracks.values():
        for k in j.strips.values():
            if k.active:
                print(k)
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  • $\begingroup$ Your code seems to give the selected strips, not the active strips. $\endgroup$ – rools Feb 28 '18 at 8:37
  • $\begingroup$ Yes. I use select instead active $\endgroup$ – user41149 Mar 1 '18 at 9:46

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