code: def _source_uri_file(source):
      if source.parsed_uri.scheme == "file":
          return "file:" + source.parsed_uri.path
      return source.uri
  
imports: import os
  import re
  from guild import manifest
  from guild import util
  from guild import var
label_desc: Use image node_id 10 for calling a global function with example usage: _source_uri_file(source) and returns: source, unknown