Add examples/docker-info-alt2.py

Example of using customizable `urlparse` function

Author: msabramo

examples/docker-info-alt2.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+
+import json
+from requests.compat import urlparse
+
+from requests_unixsocket import Session, UnixAdapter
+
+
+def custom_urlparse(url):
+    parsed_url = urlparse(url)
+    return UnixAdapter.Settings.ParseResult(
+        sockpath=parsed_url.path,
+        reqpath=parsed_url.fragment,
+    )
+
+
+session = Session(settings=UnixAdapter.Settings(urlparse=custom_urlparse))
+
+r = session.get('http+unix://sock.localhost/var/run/docker.sock#/info')
+registry_config = r.json()['RegistryConfig']
+print(json.dumps(registry_config, indent=4))