Tidy up and first python example

python_examples/playbin.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+#
+# Make sure the environment variable SRC is set to a playable file
+# e.g.
+#   export SRC='/tmp/me.mp4'
+#
+
+import gi
+gi.require_version('Gst', '1.0')
+from gi.repository import GObject, Gst
+import os
+
+Gst.init()
+mainloop = GObject.MainLoop()
+
+pl = Gst.ElementFactory.make("playbin", "player")
+pl.set_property('uri','file://'+os.environ['SRC'])
+
+#running the playbin
+pl.set_state(Gst.State.PLAYING)
+mainloop.run()