Update Python simple server script to allow subdomains

StandaloneViewer/etc/redirectingSimpleServer.py

@@ -3,9 +3,23 @@ import urlparse, os
 
 PORT = 3000
 
+## Note: If you set this parameter, you can try to serve files
+# at a subdirectory. You should use
+# -u http://localhost:3000/subdirectory
+# when building the application, which will set this as your
+# ROOT_URL.
+#URL_PATH="/subdirectory"
+URL_PATH=""
+
 class MyHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
    def do_GET(self):
 
+       # Strip the subdirectory from the PATH
+       # e.g. localhost:3000/subdirectory/packages/ohif_polyfill/svg4everybody.min.js
+       # is interpreted by this script as localhost:3000/packages/ohif_polyfill/svg4everybody.min.js
+       # so the file is found properly.
+       self.path = self.path.replace(URL_PATH, "")
+
        # Parse query data to find out what was requested
        parsedParams = urlparse.urlparse(self.path)