[Bf-committers] operators with "invoke" but without "exec"

[Dalai Felinto]

Hi,
I was trying to help Daniel Salazar (ZanQdo) with python scripts and
realized that some operators still lack an exec function.
Specifically the screen.animation_play() and screen.animation_cancel().

Is this by design or simply missing functionality?
Using the invoke function as exec works in those cases [1]. But I
don't know whether a specific exec is needed there, or how else to
proceed with cases like this.

[1] - http://www.pasteall.org/12502/diff

Thanks,
Dalai

http://blenderecia.orgfree.com