First attempt of running PyQt on travis

Author: nicoddemus

.travis.yml

@@ -9,10 +9,15 @@ before_script:
 env:
  - PYTEST_VERSION=2.4.2
  - PYTEST_VERSION=2.5.2
+ - PYTEST_QT_FORCE_PYQT=true
+ #- PYTEST_QT_FORCE_PYQT=false
 
 install:
- - sudo apt-get install -qq python-pyside
- - ln -s /usr/lib/python$TRAVIS_PYTHON_VERSION/dist-packages/PySide /home/travis/virtualenv/python$TRAVIS_PYTHON_VERSION/lib/python$TRAVIS_PYTHON_VERSION/site-packages/PySide -v
+ #- if [[ $PYTEST_QT_FORCE_PYQT == 'false' ]]; then sudo apt-get install -qq python-pyside; fi
+ #- ln -s /usr/lib/python$TRAVIS_PYTHON_VERSION/dist-packages/PySide /home/travis/virtualenv/python$TRAVIS_PYTHON_VERSION/lib/python$TRAVIS_PYTHON_VERSION/site-packages/PySide -v
+ - if [[ $PYTEST_QT_FORCE_PYQT == 'true' ]]; then sudo apt-get install -qq python-qt4; fi
+ - if [[ $PYTEST_QT_FORCE_PYQT == 'true' ]]; then ln -s /usr/lib/python$TRAVIS_PYTHON_VERSION/dist-packages/PyQt4 /home/travis/virtualenv/python$TRAVIS_PYTHON_VERSION/lib/python$TRAVIS_PYTHON_VERSION/site-packages/PyQt4 -v; fi
+ - if [[ $PYTEST_QT_FORCE_PYQT == 'true' ]]; then ln -s /usr/lib/python$TRAVIS_PYTHON_VERSION/dist-packages/sip* /home/travis/virtualenv/python$TRAVIS_PYTHON_VERSION/lib/python$TRAVIS_PYTHON_VERSION/site-packages -v; fi
  - pip uninstall -y pytest
  - pip install pytest==$PYTEST_VERSION
 

pytestqt/qt_compat.py

@@ -14,16 +14,19 @@
     try:
         import PySide.QtCore as _QtCore
         QtCore = _QtCore
-        USES_PYSIDE = True
+        PYSIDE_AVAILABLE = True
     except ImportError:
+        PYSIDE_AVAILABLE = False
+
+    FORCE_PYQT = os.environ.get('PYTEST_QT_FORCE_PYQT', 'false') == 'true'
+    if not PYSIDE_AVAILABLE or FORCE_PYQT:
+        PYSIDE_AVAILABLE = False
         import sip
         sip.setapi('QString', 2)
         sip.setapi('QVariant', 2)
         import PyQt4.QtCore as _QtCore
         QtCore = _QtCore
-        USES_PYSIDE = False
-    
-    
+
     def _pyside_import_module(moduleName):
         pyside = __import__('PySide', globals(), locals(), [moduleName], -1)
         return getattr(pyside, moduleName)
@@ -34,7 +37,7 @@ def _pyqt4_import_module(moduleName):
         return getattr(pyside, moduleName)
 
 
-    if USES_PYSIDE:
+    if PYSIDE_AVAILABLE:
         import_module = _pyside_import_module
 
         Signal = QtCore.Signal