Add "python setup.py test" option (fixes numenta#697)

bindings/py/setup.py

@@ -71,6 +71,12 @@ def findRequirements(platform):
 
 
 
+def runTests(args):
+  errno = subprocess.call(["py.test", " ".join(args)])
+  raise SystemExit(errno)
+
+
+
 def printOptions(optionsDesc):
   """
   Print command line options.
@@ -517,10 +523,12 @@ def getExtensionModules(nupicCoreReleaseDir, platform, bitness, cxxCompiler, cmd
   cwd = os.getcwd()
   os.chdir(PY_BINDINGS)
 
+  if sys.argv[1] == "test":
+    runTests(sys.argv[2:])
+
   options = getCommandLineOptions()
   platform, bitness = getPlatformInfo()
   cxxCompiler = getCompilerInfo(getCommandLineOption("compiler", options))
-
   print "NumPy version: {}".format(numpy.__version__)
   print "Bindings directory: {}".format(PY_BINDINGS)