Print exceptions

.project

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>pytest-qt</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.python.pydev.PyDevBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.python.pydev.pythonNature</nature>
+	</natures>
+</projectDescription>

.pydevproject

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<?eclipse-pydev version="1.0"?><pydev_project>
+<pydev_pathproperty name="org.python.pydev.PROJECT_SOURCE_PATH">
+<path>/${PROJECT_DIR_NAME}</path>
+</pydev_pathproperty>
+<pydev_property name="org.python.pydev.PYTHON_PROJECT_VERSION">python 2.7</pydev_property>
+<pydev_property name="org.python.pydev.PYTHON_PROJECT_INTERPRETER">Default</pydev_property>
+</pydev_project>

CHANGELOG.rst

@@ -1,3 +1,12 @@
+1.12.dev
+--------
+
+- Exceptions caught by ``pytest-qt`` in ``sys.excepthook`` are now also printed
+  to ``stderr``, making debugging them easier from within an IDE.
+  Thanks `@fabioz`_ for the PR (`126`_)!
+
+.. _126: https://github.com/pytest-dev/pytest-qt/pull/126
+
 1.11.0
 ------
 

README.rst

@@ -149,6 +149,11 @@ Many thanks to:
 .. |pycharm| image:: https://www.jetbrains.com/pycharm/docs/logo_pycharm.png
   :target: https://www.jetbrains.com/pycharm
 
+.. |pydev| image:: http://www.pydev.org/images/pydev_banner3.png
+  :target: https://www.pydev.org
+
 |pycharm|  
 
+|pydev|  
+
 .. _tox: http://tox.readthedocs.org

pytestqt/exceptions.py

@@ -34,6 +34,7 @@ def start(self):
         """
         def hook(type_, value, tback):
             self.exceptions.append((type_, value, tback))
+            sys.stderr.write(format_captured_exceptions([(type_, value, tback)]))
 
         self.old_hook = sys.excepthook
         sys.excepthook = hook

tests/test_exceptions.py

@@ -1,6 +1,6 @@
+from pytestqt.exceptions import capture_exceptions, format_captured_exceptions
 import pytest
 import sys
-from pytestqt.exceptions import format_captured_exceptions
 
 
 @pytest.mark.parametrize('raise_error', [False, True])
@@ -244,3 +244,26 @@ def event(self, ev):
         qapp.processEvents()
 
     assert [str(e) for (t, e, tb) in exceptions] == ['mistakes were made']
+
+
+def test_exceptions_to_stderr(qapp, capsys):
+    """
+    Exceptions should still be reported to stderr.
+    """
+    called = []
+    from pytestqt.qt_compat import QWidget, QEvent
+
+    class MyWidget(QWidget):
+
+        def event(self, ev):
+            called.append(1)
+            raise RuntimeError('event processed')
+
+    w = MyWidget()
+    with capture_exceptions() as exceptions:
+        qapp.postEvent(w, QEvent(QEvent.User))
+        qapp.processEvents()
+    assert called
+    del exceptions[:]
+    _out, err = capsys.readouterr()
+    assert "raise RuntimeError('event processed')" in err

tox.ini

@@ -23,6 +23,7 @@ passenv=DISPLAY XAUTHORITY USERNAME
 basepython=python2.7
 deps=pytest
     sphinx
+    sphinx_rtd_theme
 changedir=docs
 setenv=
     READTHEDOCS=True