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82 lines
2.4 KiB
82 lines
2.4 KiB
# -*- coding: utf-8 -*-
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#
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# Copyright © 2011-2012 Pierre Raybaut
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# © 2012-2014 anatoly techtonik
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# Licensed under the terms of the MIT License
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# (copied from Spyder source code [spyderlib.qt])
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"""Transitional package (PyQt4 --> PySide)"""
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import os
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# we shall respect QT_API is set
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try:
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are_you_set = os.environ['QT_API']
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except:
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try:
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# be friendly with Pyqt5
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are_you_here = __import__('PyQt5')
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# this standard test (for everybody) may not work for WinPython, so...
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from PyQt5.QtCore import PYQT_VERSION_STR as __version__
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os.environ.setdefault('QT_API','pyqt5')
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except:
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os.environ.setdefault('QT_API', 'pyqt')
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assert os.environ['QT_API'] in ('pyqt5', 'pyqt', 'pyside', 'pyside2')
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API = os.environ['QT_API']
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API_NAME = {'pyqt5': 'PyQt5', 'pyqt': 'PyQt4', 'pyside': 'PySide',
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'pyside2': 'PySide', 'pyqt4': 'PyQt4'}[API]
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PYQT5 = False
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if API == 'pyqt5':
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try:
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from PyQt5.QtCore import PYQT_VERSION_STR as __version__
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is_old_pyqt = False
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is_pyqt46 = False
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PYQT5 = True
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except ImportError:
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pass
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elif API == 'pyqt':
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# Spyder 2.3 is compatible with both #1 and #2 PyQt API,
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# but to avoid issues with IPython and other Qt plugins
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# we choose to support only API #2 for 2.4+
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import sip
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try:
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sip.setapi('QString', 2)
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sip.setapi('QVariant', 2)
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sip.setapi('QDate', 2)
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sip.setapi('QDateTime', 2)
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sip.setapi('QTextStream', 2)
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sip.setapi('QTime', 2)
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sip.setapi('QUrl', 2)
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except AttributeError:
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# PyQt < v4.6. The actual check is done by requirements.check_qt()
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# call from spyder.py
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pass
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try:
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from PyQt4.QtCore import PYQT_VERSION_STR as __version__ # analysis:ignore
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except ImportError:
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# Switching to PySide
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API = os.environ['QT_API'] = 'pyside'
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API_NAME = 'PySide'
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else:
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is_old_pyqt = __version__.startswith(('4.4', '4.5', '4.6', '4.7'))
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is_pyqt46 = __version__.startswith('4.6')
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import sip
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try:
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API_NAME += (" (API v%d)" % sip.getapi('QString'))
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except AttributeError:
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pass
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if API == 'pyside':
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try:
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from PySide import __version__ # analysis:ignore
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except ImportError:
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raise ImportError("Spyder requires PySide or PyQt to be installed")
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else:
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is_old_pyqt = is_pyqt46 = False |