Add example for HTTP hooks using Python

examples/hooks/http/server.py

@@ -0,0 +1,48 @@
+from http.server import HTTPServer, BaseHTTPRequestHandler
+
+from io import BytesIO
+
+import json
+
+
+class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
+
+    def do_GET(self):
+        self.send_response(200)
+        self.end_headers()
+        self.wfile.write(b'Hello, world!')
+
+    def do_POST(self):
+        content_length = int(self.headers['Content-Length'])
+        request_body = self.rfile.read(content_length)
+
+        hook_request = json.loads(request_body)
+        print(hook_request)
+
+        hook_response = {
+            'HTTPResponse': {
+                'Headers': {}
+            }
+        }
+
+        if hook_request['Type'] == 'pre-create':
+            hook_response['HTTPResponse']['Headers']['X-From-Pre-Create'] = 'hello'
+
+            hook_response['RejectUpload'] = True
+
+
+        if hook_request['Type'] == 'pre-finish':
+            hook_response['HTTPResponse']['StatusCode'] = 200
+            hook_response['HTTPResponse']['Headers']['X-From-Pre-Finish'] = 'hello again'
+            hook_response['HTTPResponse']['Body'] = 'some information'
+
+        response_body = json.dumps(hook_response)
+        print(response_body)
+
+        self.send_response(200)
+        self.end_headers()
+        self.wfile.write(response_body.encode())
+
+
+httpd = HTTPServer(('localhost', 8000), SimpleHTTPRequestHandler)
+httpd.serve_forever()