Question

使用自定义python插件编译protobuf文件时遇到问题。在一台机器上，它按预期运行，而在另一台机器上，这会导致以下错误：

 Traceback (most recent call last):
      File "C:\...\my_plugin.py", line 14, in <module>
        from google.protobuf.compiler import plugin_pb2 as plugin
      File "C:\Python27\lib\site-packages\google\protobuf\compiler\plugin_pb2.py", line 255, in <module>
        DESCRIPTOR._options = _descriptor._ParseOptions(descriptor_pb2.FileOptions(), _b('\n\034com.google.protobuf.compilerB\014PluginProtosZ\tplugin_go'))
      File "C:\Python27\lib\site-packages\google\protobuf\descriptor.py", line 869, in _ParseOptions
        message.ParseFromString(string)
      File "C:\Python27\lib\site-packages\google\protobuf\message.py", line 185, in ParseFromString
        self.MergeFromString(serialized)
      File "C:\Python27\lib\site-packages\google\protobuf\internal\python_message.py", line 1062, in MergeFromString
        if self._InternalParse(serialized, 0, length) != length:
      File "C:\Python27\lib\site-packages\google\protobuf\internal\python_message.py", line 1084, in InternalParse
        (tag_bytes, new_pos) = local_ReadTag(buffer, pos)
      File "C:\Python27\lib\site-packages\google\protobuf\internal\decoder.py", line 181, in ReadTag
        while six.indexbytes(buffer, pos) & 0x80:
    AttributeError: 'module' object has no attribute 'indexbytes'
    --my_plugin_out: protoc-gen-my_plugin: Plugin failed with status code

两台机器都有相同的Python版本：2.7.12。

我还确保它们具有相同的Protobuf模块版本（3.2.0）和六个模块版本（1.10.0）。

所以我无法理解为什么“六”模块会错过上面的callstack中提到的“decoder.py”中所需的“indexbytes”方法。

Answer 1

我无法找到根本原因，但似乎Python模块之间存在一些冲突，因为使用virtualenv修复了我的问题。见GNU awk manual

AttributeError：在使用自定义python插件编译protobuf时缺少六个“indexbytes”

1 个答案: