解析从请求发布接收到的多部分/表单数据

问题描述

我正在使用请求库编写Web Service客户端.我正在包含文件和text-json的multipart/form-data中获取数据.我不知道如何解析它.是否有合适的库可以解析python中的multipart/form-data格式，还是我应该自己编写解析器?

I am writing Web Service Client, using requests library. I am getting data in multipart/form-data that contains a file and text-json. I have no idea how to parse it. Is there a proper library to parse multipart/form-data format in python or should I write parser on my own?

我的代码:

data = {
  "prototypeModel" :('prototypeModel', open(prototypeModel, 'rb'), 'application/octet-stream', {'Expires': '0'}),
  "mfcc_1" : ('mfcc', open(mfcc_1, 'rb'), 'application/octet-stream', {'Expires': '0'}),
  "mfcc_2" : ('mfcc', open(mfcc_2, 'rb'), 'application/octet-stream', {'Expires': '0'}),
  "mfcc_3" : ('mfcc', open(mfcc_3, 'rb'), 'application/octet-stream', {'Expires': '0'}),
}

print( '---------------------- start enroll ----------------------')
testEnrollResponse = requests.post(server+sessionID, files = data, json = declaredParameters)

我用"....."替换了更多的二进制数据.

I replaced more binary data with " ..... "

推荐答案

如果收到multipart/form-data响应，则可以使用requests-toolbelt库对其进行解析，如下所示:

If you're receiving a multipart/form-data response, you can parse it using the requests-toolbelt library like so:

$ pip install requests-toolbelt

安装后

from requests_toolbelt.multipart import decoder

testEnrollResponse = requests.post(...)
multipart_data = decoder.MultipartDecoder.from_response(testEnrollResponse)

for part in multipart_data.parts:
    print(part.content)  # Alternatively, part.text if you want unicode
    print(part.headers)

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