pip install PySide fails - pyqt

Question

I am using both Python 2 and Python 3. I am trying to make pylab variation of ipython work on Python 3 (as it works well enough on Python 2).
After failing to install PyQt4, I have tried installing PySide install, using the following pip command:
sudo pip -vvv install --upgrade pyside
It took a while. My computer got fairly hot, also. But after reaching 100%, the installation failed with the following error message:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/tmp/pip-build-o8v5e0ej/pyside/setup.py", line 1001, in <module>
ext_package = 'PySide',
File "/usr/lib/python3.4/distutils/core.py", line 148, in setup
dist.run_commands()
File "/usr/lib/python3.4/distutils/dist.py", line 955, in run_commands
self.run_command(cmd)
File "/usr/lib/python3.4/distutils/dist.py", line 974, in run_command
cmd_obj.run()
File "/tmp/pip-build-o8v5e0ej/pyside/setup.py", line 245, in run
raise RuntimeError("Can't find '%s'" % (filename,))
RuntimeError: Can't find '/usr/bin/pyside_postinstall.py'
----------------------------------------
Cleaning up...
Removing source in /tmp/pip-build-o8v5e0ej/pyside [85/929]
Command "/usr/bin/python3 -c "import setuptools, tokenize;__file__='/tmp/pip-build-o8v5e0ej/pyside/setup.py';exec(compile(getattr(tokenize, 'open', open)(__fil
e__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-1z4uq1n8-record/install-record.txt --single-version-externally-managed --compi
le" failed with error code 1 in /tmp/pip-build-o8v5e0ej/pyside
Exception information:
Traceback (most recent call last):
File "/usr/local/lib/python3.4/dist-packages/pip/basecommand.py", line 223, in main
status = self.run(options, args)
File "/usr/local/lib/python3.4/dist-packages/pip/commands/install.py", line 299, in run
root=options.root_path,
File "/usr/local/lib/python3.4/dist-packages/pip/req/req_set.py", line 646, in install
**kwargs
File "/usr/local/lib/python3.4/dist-packages/pip/req/req_install.py", line 862, in install
show_stdout=False,
File "/usr/local/lib/python3.4/dist-packages/pip/utils/__init__.py", line 732, in call_subprocess
% (command_desc, proc.returncode, cwd))
pip.exceptions.InstallationError: Command "/usr/bin/python3 -c "import setuptools, tokenize;__file__='/tmp/pip-build-o8v5e0ej/pyside/setup.py';exec(compile(get
attr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-1z4uq1n8-record/install-record.txt --single-
version-externally-managed --compile" failed with error code 1 in /tmp/pip-build-o8v5e0ej/pyside
So all in all, it did not help me with pylab. Running ipython --pylab raises
ImportError: libpyside.cpython-34m.so.1.2: cannot open shared object file: No such file or directory
This is a result of the line
from PySide import QtCore, QtGui, __version__, __version_info__
Have I done something wrong?
My system info:
Python 3.4.0
Ubuntu 14.04.3 LTS (trusty)
Architecture: 64 bit
Kernel version: 3.16.0-40-generic

Answer 1

I am not completely sure this is a proper answer to my question, as it does not really solve the problem with pip, but I have succeeded in solving the pylab issue on my machine, and this is what I've done:
I've purged (via aptitude) both python3-pyqt4 and python3-pyqt5
I've uninstalled (via pip) python pyside
I've installed (via aptitude) python3-pyside
Now ipython --pylab works (with Python 3.4.0).