code: def streamy_download_file(context, path):
      
      bio = io.BytesIO()
  
      # FileService.get() is not actually an exposed service method, it's just a
      # classmethod that wraps up the complicated dance of implementing the
      # transfer.
      ok, metadata = mitogen.service.FileService.get(context, path, bio)
  
      return {
          'success': ok,
          'metadata': metadata,
          'size': len(bio.getvalue()),
      }
docs: Fetch a file from the FileService hosted by `context`.