code: def list_(args):
      
      osf = _setup_osf(args)
  
      project = osf.project(args.project)
  
      for store in project.storages:
          prefix = store.name
          for file_ in store.files:
              path = file_.path
              if path.startswith('/'):
                  path = path[1:]
  
              print(os.path.join(prefix, path))
docs: List all files from all storages for project.
  
      If the project is private you need to specify a username.