Update

subprojects/gst-docs/examples/tutorials/python/basic-tutorial-1.py

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+#!/usr/bin/env python3
+import sys
+
+import gi
+
+gi.require_version('GLib', '2.0')
+gi.require_version('GObject', '2.0')
+gi.require_version('Gst', '1.0')
+
+from gi.repository import Gst, GObject, GLib
+
+pipeline = None
+bus = None
+message = None
+
+# initialize GStreamer
+Gst.init(sys.argv[1:])
+
+# build the pipeline
+pipeline = Gst.parse_launch(
+    "playbin uri=https://www.freedesktop.org/software/gstreamer-sdk/data/media/sintel_trailer-480p.webm"
+)
+
+# start playing
+pipeline.set_state(Gst.State.PLAYING)
+
+# wait until EOS or error
+bus = pipeline.get_bus()
+msg = bus.timed_pop_filtered(
+    Gst.CLOCK_TIME_NONE,
+    Gst.MessageType.ERROR | Gst.MessageType.EOS
+)
+
+# free resources
+pipeline.set_state(Gst.State.NULL)