- make sure sub pytest runs use the same basetemp

- depend on pluggy < 0.3

--HG--
branch : pluggy1

_pytest/__init__.py

@@ -1,2 +1,2 @@
 #
-__version__ = '2.8.0.dev2'
+__version__ = '2.8.0.dev3'

_pytest/pytester.py

@@ -712,8 +712,20 @@ class Testdir:
         option "--runpytest" and return a :py:class:`RunResult`.
 
         """
+        args = self._ensure_basetemp(args)
         return self._runpytest_method(*args, **kwargs)
 
+    def _ensure_basetemp(self, args):
+        args = [str(x) for x in args]
+        for x in args:
+            if str(x).startswith('--basetemp'):
+                #print ("basedtemp exists: %s" %(args,))
+                break
+        else:
+            args.append("--basetemp=%s" % self.tmpdir.dirpath('basetemp'))
+            #print ("added basetemp: %s" %(args,))
+        return args
+
     def parseconfig(self, *args):
         """Return a new py.test Config instance from given commandline args.
 
@@ -726,12 +738,8 @@ class Testdir:
         modules which will be registered with the PluginManager.
 
         """
-        args = [str(x) for x in args]
-        for x in args:
-            if str(x).startswith('--basetemp'):
-                break
-        else:
-            args.append("--basetemp=%s" % self.tmpdir.dirpath('basetemp'))
+        args = self._ensure_basetemp(args)
+
         import _pytest.config
         config = _pytest.config._prepareconfig(args, self.plugins)
         # we don't know what the test will do with this half-setup config

setup.py

@@ -48,7 +48,7 @@ def has_environment_marker_support():
 
 
 def main():
-    install_requires = ['py>=1.4.27.dev2', 'pluggy>=0.1.0,<1.0.0']
+    install_requires = ['py>=1.4.27.dev2', 'pluggy>=0.2.0,<0.3.0']
     extras_require = {}
     if has_environment_marker_support():
         extras_require[':python_version=="2.6" or python_version=="3.0" or python_version=="3.1"'] = ['argparse']