upstream/ipython Files · IPython/external/qt.py

update parallel code for py3k...

update parallel code for py3k This is primarily tweaks of bytes/unicode, but other fixes include: * some integer division * added co_kwonlyargcount to code objects * a few places to handle map/range being objects non-copying numpy is disabled on py3k, because arrays are not reconstructed properly on the other side. This is because pyzmq always receives a byte array (memoryview.itemsize=1), which confuses numpy. With these changes, almost all parallel tests pass. Notable exceptions are: sync_imports, and MUX engine death.

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      """ A Qt API selector that can be used to switch between PyQt and PySide.

      """

      import os

      # Available APIs.

      QT_API_PYQT = 'pyqt'

      QT_API_PYSIDE = 'pyside'

      def prepare_pyqt4():

          # For PySide compatibility, use the new-style string API that automatically

          # converts QStrings to Unicode Python strings. Also, automatically unpack

          # QVariants to their underlying objects.

          import sip

          sip.setapi('QString', 2)

          sip.setapi('QVariant', 2)

      # Select Qt binding, using the QT_API environment variable if available.

      QT_API = os.environ.get('QT_API')

      if QT_API is None:

          try:

              import PySide

              QT_API = QT_API_PYSIDE

          except ImportError:

              try:

                  prepare_pyqt4()

                  import PyQt4

                  QT_API = QT_API_PYQT

              except ImportError:

                  raise ImportError('Cannot import PySide or PyQt4')

      elif QT_API == QT_API_PYQT:

          # Note: This must be called *before* PyQt4 is imported.

          prepare_pyqt4()

      # Now peform the imports.

      if QT_API == QT_API_PYQT:

          from PyQt4 import QtCore, QtGui, QtSvg

          # Alias PyQt-specific functions for PySide compatibility.

          QtCore.Signal = QtCore.pyqtSignal

          QtCore.Slot = QtCore.pyqtSlot

      elif QT_API == QT_API_PYSIDE:

          from PySide import QtCore, QtGui, QtSvg

      else:

          raise RuntimeError('Invalid Qt API %r, valid values are: %r or %r' % 

                             (QT_API, QT_API_PYQT, QT_API_PYSIDE))

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				""" A Qt API selector that can be used to switch between PyQt and PySide.
				"""

				import os

				# Available APIs.
				QT_API_PYQT = 'pyqt'
				QT_API_PYSIDE = 'pyside'

				def prepare_pyqt4():
				# For PySide compatibility, use the new-style string API that automatically
				# converts QStrings to Unicode Python strings. Also, automatically unpack
				# QVariants to their underlying objects.
				import sip
				sip.setapi('QString', 2)
				sip.setapi('QVariant', 2)

				# Select Qt binding, using the QT_API environment variable if available.
				QT_API = os.environ.get('QT_API')
				if QT_API is None:
				try:
				import PySide
				QT_API = QT_API_PYSIDE
				except ImportError:
				try:
				prepare_pyqt4()
				import PyQt4
				QT_API = QT_API_PYQT
				except ImportError:
				raise ImportError('Cannot import PySide or PyQt4')

				elif QT_API == QT_API_PYQT:
				# Note: This must be called before PyQt4 is imported.
				prepare_pyqt4()

				# Now peform the imports.
				if QT_API == QT_API_PYQT:
				from PyQt4 import QtCore, QtGui, QtSvg

				# Alias PyQt-specific functions for PySide compatibility.
				QtCore.Signal = QtCore.pyqtSignal
				QtCore.Slot = QtCore.pyqtSlot

				elif QT_API == QT_API_PYSIDE:
				from PySide import QtCore, QtGui, QtSvg

				else:
				raise RuntimeError('Invalid Qt API %r, valid values are: %r or %r' %
				(QT_API, QT_API_PYQT, QT_API_PYSIDE))