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Improve documentation for lazy-loading background task

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In particular the thread switching sleep was a bit mysterious.

Contributes to issue CURA_6793.
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Ghostkeeper 2019-10-23 09:46:44 +02:00
parent f69360fb14
commit 5b70d409ed
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5
cura/Machines/ContainerTree.py
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@ -146,7 +146,10 @@ class ContainerTree:
#
# The ``JobQueue`` will schedule this on a different thread.
def run(self) -> None:
for stack in self.container_stacks:
for stack in self.container_stacks: # Load all currently-added containers.
# Allow a thread switch after every container.
# Experimentally, sleep(0) didn't allow switching. sleep(0.1) or sleep(0.2) neither.
# We're in no hurry though. Half a second is fine.
time.sleep(0.5)
if not isinstance(stack, GlobalStack):
continue