Update cherrpy to 17.4.2

lib/cherrypy/tutorial/tut01_helloworld.py

@@ -0,0 +1,34 @@
+"""
+Tutorial - Hello World
+
+The most basic (working) CherryPy application possible.
+"""
+
+import os.path
+
+# Import CherryPy global namespace
+import cherrypy
+
+
+class HelloWorld:
+
+    """ Sample request handler class. """
+
+    # Expose the index method through the web. CherryPy will never
+    # publish methods that don't have the exposed attribute set to True.
+    @cherrypy.expose
+    def index(self):
+        # CherryPy will call this method for the root URI ("/") and send
+        # its return value to the client. Because this is tutorial
+        # lesson number 01, we'll just send something really simple.
+        # How about...
+        return 'Hello world!'
+
+
+tutconf = os.path.join(os.path.dirname(__file__), 'tutorial.conf')
+
+if __name__ == '__main__':
+    # CherryPy always starts with app.root when trying to map request URIs
+    # to objects, so we need to mount a request handler root. A request
+    # to '/' will be mapped to HelloWorld().index().
+    cherrypy.quickstart(HelloWorld(), config=tutconf)