docs: def Parse(self, stat, file_object, knowledge_base):
      """Parse the status file."""
      _, _ = stat, knowledge_base
  
      packages = []
      sw_data = utils.ReadFileBytesAsUnicode(file_object)
      try:
        for pkg in self._deb822.Packages.iter_paragraphs(sw_data.splitlines()):
          if self.installed_re.match(pkg["Status"]):
            packages.append(
                rdf_client.SoftwarePackage(
                    name=pkg["Package"],
                    description=pkg["Description"],
                    version=pkg["Version"],
                    architecture=pkg["Architecture"],
                    publisher=pkg["Maintainer"],
                    install_state="INSTALLED"))
      except SystemError:
        yield rdf_anomaly.Anomaly(
            type="PARSER_ANOMALY", symptom="Invalid dpkg status file")
      finally:
        if packages:
          yield rdf_client.SoftwarePackages(packages=packages)