hou.InteruptableOperation outside of a with statement?

[glassman3d]

Hi there

I am trying to create a generic progress bar so have been looking at hou.InteruptableOperation

My conundrum is that due to in-house generic pipeline tools that implement this for all packages (including maya and softimage), I need to separate out the progress bar into 3 stages:

Creation

Update

Exit

The docs state not to call this class unless I am within a ‘with’ statement. This makes the separation of these stages very difficult

I am attempting to call the __enter__ and __exit__ methods directly but am not having much luck

Could someone give me a pointer about how to achieve this?

Many thanks!

[glassman3d]

answer from SESI:

Hello Sam,

It sounds like you should set the long operation name/message in hou.InterruptableOperation in order to update the progress bar dialog with message updates.

For example:

# Create an interruptable operation.

operation = hou.InterruptableOperation("Doing Work", long_operation_name="Starting Tasks", open_interrupt_dialog=True)

# Start the operation. This will pop-up the progress bar dialog after a second or two.

operation.__enter__()

# Execute tasks. Periodically update the progress percentage and message in the progress bar.

num_tasks = 10

for i in range(num_tasks):

# Do task work here. For this example, just sleep for a second.

time.sleep(1)

percent = float(i) / float(num_tasks)

operation.updateLongProgress(percent, "Finished task %i" % (i + 1))

# Stop the operation. This closes the progress bar dialog.

operation.__exit__(None, None, None)

I hope this helps.