Added Python2/Python3 scripts for running tests

Author: PierreRaybaut

scripts/PythonQwt-tests scripts/PythonQwt-tests-py2scripts/PythonQwt-tests renamed to scripts/PythonQwt-tests-py2

@@ -0,0 +1,3 @@
+#!/usr/bin/env python3
+from qwt import tests
+tests.run()

scripts/PythonQwt-tests.bat scripts/PythonQwt-tests-py2.batscripts/PythonQwt-tests.bat renamed to scripts/PythonQwt-tests-py2.bat

@@ -0,0 +1,2 @@
+@echo off
+python "%~dpn0" %*

scripts/PythonQwt-tests-py3

@@ -49,11 +49,15 @@
     CLASSIFIERS += ['Development Status :: 3 - Alpha']
 else:
     CLASSIFIERS += ['Development Status :: 5 - Production/Stable']
-if os.name == 'nt':
-    SCRIPTS = ['PythonQwt-tests', 'PythonQwt-tests.bat']
-else:
-    SCRIPTS = ['PythonQwt-tests']
-SCRIPTS = [osp.join('scripts', fname) for fname in SCRIPTS]
+
+
+def _create_script_list(basename):
+    scripts = ['%s-py%d' % (basename, sys.version_info.major)]
+    if os.name == 'nt':
+        scripts.append('%s.bat' % scripts[0])
+    return [osp.join('scripts', name) for name in scripts]
+
+SCRIPTS = _create_script_list('PythonQwt-tests')
 
 
 def get_package_data(name, extlist):