How to run a certain function at every n seconds until tool is close

[kiteh]

Does Maya have some sort of callbacks or script jobs that will allows me to run a function every 30 seconds (eg. for updating the contents in the tool) and this callback.scriptjob will be removed upon tool closure?

[Justin Israel]

On Tue, Jul 30, 2019 at 9:01 AM kiteh <kiteh...@gmail.com> wrote:

Does Maya have some sort of callbacks or script jobs that will allows me to run a function every 30 seconds (eg. for updating the contents in the tool) and this callback.scriptjob will be removed upon tool closure?

I don't believe Maya directly provides the equivalent of a cron task. But you can easily do that yourself with Python threading or Qts QTimer, and you can use a scriptJob to know when to stop it, if it provides relevant event conditions that meet your needs.

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[kiteh]

Hi Justin, 

I was looking at the use of `threading` while waiting for replies. 

I tried the following:

import threading

from maya import cmds

t = None

def run_check():

    global t

    t = threading.Timer(5.0, run_check)

    t.start()

    get_panels()

def get_panels():

    for pane in cmds.getPanel(visiblePanels=True):

        print '>>> pane: ', pane

 

run_check()

It seems to be running and printing out the correct results on the first run, but as soon as the next 5 seconds is up, instead of expecting the same results, I got the following error:

# # Exception in thread Thread-8:

# Traceback (most recent call last):

#   File "/builds/python_maya/2.7.11/852a2c8c4f/lib/python2.7/threading.py", line 801, in __bootstrap_inner

#     self.run()

#   File "/builds/python_maya/2.7.11/852a2c8c4f/lib/python2.7/threading.py", line 1073, in run

#     self.function(*self.args, **self.kwargs)

#   File "<maya console>", line 11, in run_check

#   File "<maya console>", line 29, in test

TypeError: Flag 'visiblePanels' must be passed a boolean argument

Pretty sure that I am passing a boolean argument into `visiblePanels`... Any ideas?

[Ravi Jagannadhan]

What about MTimerMessage? That could help run something at regular intervals.

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[Justin Israel]

On Tue, Jul 30, 2019 at 9:33 AM Ravi Jagannadhan <enr...@gmail.com> wrote:

What about MTimerMessage? That could help run something at regular intervals.

That does sound like a better option

 

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[kiteh]

Cool, noted on that, thank you all. Will try it out.