如何使用Python gRPC发送自定义标头(元数据)? [英] How to send custom header (metadata) with Python gRPC?

问题描述

我想知道如何使用Python gRPC发送自定义标头(或元数据).我查看了文档，却找不到任何东西.

I want to know how to send custom header (or metadata) using Python gRPC. I looked into documents and I couldn't find anything.

推荐答案

我想通了阅读代码.您可以向函数调用发送metadata参数，其中metadata是2元组的元组:

I figured out reading the code. You can send a metadata param to the function call, where metadata is a tuple of 2-tuples:

metadata = (('md-key', 'some value'),
            ('some-md-key', 'another value'))
response = stub.YourFunctionCall(request=request, metadata=metadata)

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