code: def egg_name(self):
          
          filename = "%s-%s-py%s" % (
              to_filename(self.project_name), to_filename(self.version),
              self.py_version or PY_MAJOR
          )
  
          if self.platform:
              filename += '-' + self.platform
          return filename
docs: Return what this distribution's standard .egg filename should be