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PR: Add FORCE_QT_API environment variable #194

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merged 2 commits into from
Jul 23, 2019
Merged

PR: Add FORCE_QT_API environment variable #194

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3a53740
Add `FORCE_QT_API` environment variable to ignore any previously impo…
JasonGilholme Jul 5, 2019
e5840f4
Remove value check for `FORCE_QT_API` environment variable.
JasonGilholme Jul 8, 2019
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20 changes: 11 additions & 9 deletions qtpy/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -114,15 +114,17 @@ class PythonQtWarning(Warning):
PYQT5 = True
PYQT4 = PYSIDE = PYSIDE2 = False


if 'PyQt5' in sys.modules:
API = initial_api if initial_api in PYQT5_API else 'pyqt5'
elif 'PySide2' in sys.modules:
API = initial_api if initial_api in PYSIDE2_API else 'pyside2'
elif 'PyQt4' in sys.modules:
API = initial_api if initial_api in PYQT4_API else 'pyqt4'
elif 'PySide' in sys.modules:
API = initial_api if initial_api in PYSIDE_API else 'pyside'
# When `FORCE_QT_API` is set, we disregard
# any previously imported python bindings.
if os.environ.get('FORCE_QT_API') is not None:
if 'PyQt5' in sys.modules:
API = initial_api if initial_api in PYQT5_API else 'pyqt5'
elif 'PySide2' in sys.modules:
API = initial_api if initial_api in PYSIDE2_API else 'pyside2'
elif 'PyQt4' in sys.modules:
API = initial_api if initial_api in PYQT4_API else 'pyqt4'
elif 'PySide' in sys.modules:
API = initial_api if initial_api in PYSIDE_API else 'pyside'


if API in PYQT5_API:
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