+ self.fallback = any(entry.architectures is None for entry in self.package_list)
+
+ def _binaries(self, source):
+ return set(name.strip() for name in source['Binary'].split(","))
+
+ def _parse(self, source):
+ self.package_list = []
+
+ binaries_binary = self._binaries(source)
+ binaries_package_list = set()
+
+ for line in source['Package-List'].split("\n"):