diff --git a/.gitignore b/.gitignore
index d0e0434a456..ded052f8321 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,9 @@ build
 
 #Ignore the distribution directory
 dist
+
+#Ignore the directory created by tox (http://tox.testrun.org/)
+.tox
  
 #Ignore backup files from some Unix editors,
 *~
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 00000000000..ea5f702de4a
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,19 @@
+# Tox (http://tox.testrun.org/) is a tool for running tests
+# in multiple virtualenvs. This configuration file will run the
+# test suite on all supported python versions. To use it, "pip install tox"
+# and then run "tox" from this directory.
+
+[tox]
+envlist = py25, py26, py27, pypy, py32, jython
+
+[testenv]
+changedir = Tests
+commands = {envpython} run_tests.py --offline
+deps =
+    numpy
+
+[testenv:py32]
+changedir = build/py3.2/Tests
+commands = {envpython} run_tests.py --offline
+deps =
+    numpy