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Fix #485: Allow avalon to initialize correctly with Maya 2020 #486

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Merged
merged 2 commits into from
Dec 16, 2019
Merged

Fix #485: Allow avalon to initialize correctly with Maya 2020 #486

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d7b164f
Fix #485: Allow avalon to initialize correctly with Maya 2020
BigRoy Dec 14, 2019
54377ef
Fix typo in comment
BigRoy Dec 14, 2019
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17 changes: 14 additions & 3 deletions avalon/maya/pipeline.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
import contextlib

from maya import cmds, OpenMaya
import maya.utils
import maya.api.OpenMaya as om
from pyblish import api as pyblish

Expand Down Expand Up @@ -205,7 +206,11 @@ def deferred():
command=interactive.reset_resolution)

# Allow time for uninstallation to finish.
QtCore.QTimer.singleShot(100, deferred)
# We use Maya's executeDeferred instead of QTimer.singleShot
# so that it only gets called after Maya UI has initialized too.
# This is crucial with Maya 2020+ which initializes without UI
# first as a QCoreApplication
maya.utils.executeDeferred(deferred)


def launch_workfiles_app(*args):
Expand Down Expand Up @@ -267,8 +272,14 @@ def reload_pipeline(*args):


def _uninstall_menu():
app = QtWidgets.QApplication.instance()
widgets = dict((w.objectName(), w) for w in app.allWidgets())

# In Maya 2020+ don't use the QApplication.instance()
# during startup (userSetup.py) as it will return a
# QtCore.QCoreApplication instance which does not have
# the allWidgets method. As such, we call the staticmethod.
all_widgets = QtWidgets.QApplication.allWidgets()

widgets = dict((w.objectName(), w) for w in all_widgets)
menu = widgets.get(self._menu)

if menu:
Expand Down