[Bug 1161818] Re: QTextBlockUserData loses its data

[Dmitrijs Ledkovs]

In iPython ther is also:
            if QtCore.PYQT_VERSION_STR < '4.7':
                # PyQt 4.6 has issues with null strings returning as None
                raise ImportError

Which is also wrong:
ipython -c "import PyQt4; from PyQt4 import QtCore, QtGui, QtSvg; print(QtCore.PYQT_VERSION_STR < '4.7')"

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Title:
  QTextBlockUserData loses its data

Status in “ipython” package in Ubuntu:
  New
Status in “python-qt4” package in Ubuntu:
  New

Bug description:
  in pyqt4 4.10 QTextBlockUserData is broken.
  see
  http://www.riverbankcomputing.com/pipermail/pyqt/2013-March/032457.html

  example in archive
  ipython qtconsole
  type:
  if 1:
    print 1

  and you get lots of tracebacks in the terminal:
    File "/usr/lib/python2.7/dist-packages/IPython/frontend/qt/console/pygments_highlighter.py", line 107, in highlightBlock
      self._lexer._saved_state_stack = prev_data.syntax_stack
  AttributeError: 'QTextBlockUserData' object has no attribute 'syntax_stack'

  it also breaks ninja ide.

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