fix issue129: tox now uses Popen(..., universal_newlines=True) to force

creation of unicode stdout/stderr streams.  fixes a problem on specific
platform configs when creating virtualenvs with Python3.3. Thanks Jorgen Sch?fer
or investigation and solution sketch.

4 files changed, 10 insertions, 2 deletions

diff --git a/CHANGELOG b/CHANGELOG
index 6661295..d153797 100755
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,11 @@
 1.6.2.dev
 ---------
 
+- fix issue129: tox now uses Popen(..., universal_newlines=True) to force 
+  creation of unicode stdout/stderr streams.  fixes a problem on specific
+  platform configs when creating virtualenvs with Python3.3. Thanks Jorgen Schäfer
+  or investigation and solution sketch.
+
 - fix issue128: enable full substitution in install_command,
   thanks for the PR to Ronald Evers
 
diff --git a/tox/_cmdline.py b/tox/_cmdline.py
index 24e47ba..5407b4a 100644
--- a/tox/_cmdline.py
+++ b/tox/_cmdline.py
@@ -93,7 +93,8 @@ class Action(object):
         if cwd is None:
             # XXX cwd = self.session.config.cwd
             cwd = py.path.local()
-        popen = self._popen(args, cwd, env=env, stdout=f, stderr=STDOUT)
+        popen = self._popen(args, cwd, env=env,
+                            stdout=f, stderr=STDOUT)
         popen.outpath = outpath
         popen.args = [str(x) for x in args]
         popen.cwd = cwd
@@ -150,6 +151,7 @@ class Action(object):
         if env is None:
             env = os.environ.copy()
         return self.session.popen(args, shell=False, cwd=str(cwd),
+            universal_newlines=True,
             stdout=stdout, stderr=stderr, env=env)
 
 
diff --git a/tox/_pytestplugin.py b/tox/_pytestplugin.py
index 6c90c8d..4958617 100644
--- a/tox/_pytestplugin.py
+++ b/tox/_pytestplugin.py
@@ -130,6 +130,7 @@ def pytest_funcarg__mocksession(request):
         def make_emptydir(self, path):
             pass
         def popen(self, args, cwd, shell=None,
+            universal_newlines=False,
             stdout=None, stderr=None, env=None):
             pm = pcallMock(args, cwd, env, stdout, stderr, shell)
             self._pcalls.append(pm)
diff --git a/tox/_venv.py b/tox/_venv.py
index ec7ada2..cb53ec0 100644
--- a/tox/_venv.py
+++ b/tox/_venv.py
@@ -228,7 +228,7 @@ class VirtualEnv(object):
         args = [self.envconfig.envpython, str(setup_py), '--name']
         output = action.popen(args, cwd=setupdir, redirect=False,
                               returnout=True)
-        name = output.strip().decode('utf-8')
+        name = output.strip()
         egg_info = setupdir.join('.'.join((name, 'egg-info')))
         for conf_file in (setup_py, setup_cfg):
             if (not egg_info.check() or (conf_file.check()