* reworked capturing to only capture once per runtest cycle

* added readouterr() method to py.io capturing helpers

--HG--
branch : 1.0.x

py/test/testing/test_install.py

@@ -1,9 +1,16 @@
 import py
 
-def test_make_sdist_and_run_it(py_setup, venv):
-    sdist = py_setup.make_sdist(venv.path)
-    venv.easy_install(str(sdist)) 
-    gw = venv.makegateway()
-    ch = gw.remote_exec("import py ; channel.send(py.__version__)")
-    version = ch.receive()
-    assert version == py.__version__
+def test_make_sdist_and_run_it(capfd, py_setup, venv):
+    try:
+        sdist = py_setup.make_sdist(venv.path)
+        venv.easy_install(str(sdist)) 
+        gw = venv.makegateway()
+        ch = gw.remote_exec("import py ; channel.send(py.__version__)")
+        version = ch.receive()
+        assert version == py.__version__
+    except KeyboardInterrupt:
+        raise
+    except:
+        print capfd.readouterr()
+        raise
+    capfd.close()

py/test/testing/test_parseopt.py

@@ -1,13 +1,11 @@
 import py
 from py.__.test import parseopt 
 
-pytest_plugins = 'pytest_iocapture'
-
 class TestParser:
     def test_init(self, capsys):
         parser = parseopt.Parser(usage="xyz")
         py.test.raises(SystemExit, 'parser.parse(["-h"])')
-        out, err = capsys.reset()
+        out, err = capsys.readouterr()
         assert out.find("xyz") != -1
 
     def test_group_add_and_get(self):