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If a Qt version is already imported, attempt to use it first
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parent
e06e2777bc
commit
821862c401
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@ -19,25 +19,33 @@
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from . import Image
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from . import Image
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from ._util import isPath, py3
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from ._util import isPath, py3
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from io import BytesIO
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from io import BytesIO
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import sys
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qt_is_installed = True
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qt_versions = [
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qt_version = None
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['5', 'PyQt5'],
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try:
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['4', 'PyQt4'],
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from PyQt5.QtGui import QImage, qRgba, QPixmap
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['side', 'PySide']
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from PyQt5.QtCore import QBuffer, QIODevice
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]
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qt_version = '5'
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# If a version has already been imported, attempt it first
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except (ImportError, RuntimeError):
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qt_versions.sort(key=lambda qt_version: qt_version[1] in sys.modules, reverse=True)
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for qt_version, qt_module in qt_versions:
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try:
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try:
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from PyQt4.QtGui import QImage, qRgba, QPixmap
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if qt_module == 'PyQt5':
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from PyQt4.QtCore import QBuffer, QIODevice
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from PyQt5.QtGui import QImage, qRgba, QPixmap
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qt_version = '4'
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from PyQt5.QtCore import QBuffer, QIODevice
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except (ImportError, RuntimeError):
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elif qt_module == 'PyQt4':
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try:
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from PyQt4.QtGui import QImage, qRgba, QPixmap
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from PyQt4.QtCore import QBuffer, QIODevice
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elif qt_module == 'PySide':
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from PySide.QtGui import QImage, qRgba, QPixmap
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from PySide.QtGui import QImage, qRgba, QPixmap
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from PySide.QtCore import QBuffer, QIODevice
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from PySide.QtCore import QBuffer, QIODevice
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qt_version = 'side'
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except (ImportError, RuntimeError):
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except ImportError:
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continue
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qt_is_installed = False
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qt_is_installed = True
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break
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else:
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qt_is_installed = False
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qt_version = None
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def rgb(r, g, b, a=255):
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def rgb(r, g, b, a=255):
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