Note that OSFS.geturl supports the fs purpose in FS.geturl

Author: althonos

fs/base.py

@@ -910,7 +910,8 @@ def geturl(self, path, purpose="download"):
                 to retrieve for the given path (if there is more than
                 one). The default is ``'download'``, which should return
                 a URL that serves the file. Other filesystems may support
-                other values for ``purpose``.
+                other values for ``purpose``: for instance, `OSFS` supports
+                ``'fs'``, which returns a FS URL (see :ref:`fs-urls`).
 
         Returns:
             str: a URL.