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Please add more context on the AMLRequest and AMLResponse classes

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Issue 类型
文档
描述清晰度
基本清楚
活跃度
停滞
技术栈
python
领域
documentation, machine-learning

调研方向

从 AMLRequest 和 AMLResponse 参考页面以及源文件 AzureML-Docset/stable/docs-ref-autogen/azureml.contrib.services.aml_request.AMLRequest.yml 开始；将它们与链接的 online-endpoints-binary-payloads.ipynb 示例进行比较。记录传递 JSON 和二进制文件并在评分脚本中访问该文件时涉及的相关参数、属性和示例用法。

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描述

I am testing the sample https://github.com/Azure/azureml-examples/blob/main/sdk/python/endpoints/online/managed/online-endpoints-binary-payloads.ipynb
As per the documentation, the AMLRequest and AMLResponse classes were inherited from flask.wrappers. However, please also add the parameters and attributes and sample usage of these classes.

If I am sending a JSON object to the MOE (Managed Online Endpoint) along with the binary image file, the request object will hold these values passed as raw httprequest.

payload = {"file-metadata": {
    "filename": "my-image.jpg",
    "file-size": "150kb",
    ...
}}
res = requests.post(
    url=scoring_uri,
    headers={"Authorization": f"Bearer {key}"},
    json=payload, **attempt to pass the payload to the request**
    files=[
        ("file", open("my-image.jpg", "rb"))
    ],
)

How to pass a JSON payload to this request and access that from within the scoring script? I tried to configure the json parameter to assign a sample JSON payload as above sample. However, when viewing the value through req.get_json() in the scoring script, this function returns empty.

@rawhttp
def run(req : AMLRequest):
    print(req.get_json()) **nothing gets printed out**

I found a workaround to assign the payload to the headers parameter as follows. However, it would be appreciated if you may also include the correct approach/sample usage of the above class(es).

payload = {"file-metadata": {
    "filename": "my-image.jpg",
    "file-size": "150kb",
    ...
}}

headers_ = {"Authorization": f"Bearer {key}", "File-Metadata": json.dumps(payload)}

res = requests.post(
    url=scoring_uri,
    headers=headers_
    ...)
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