相关疑难解决方法(0)

Python：使用图像文件发布请求

我有一台服务器，我试图建立一个发布请求以取回数据。我认为实现此目的的一种方法是在标头中添加参数并发出请求。但是我收到的错误很少，我不太了解，无法继续前进。

HTML表格

<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
  </head>
  <body>
     <form method="POST" action="http://some.server.com:61235/imgdigest" enctype="multipart/form-data">
        quality:<input type="text" name="quality" value="2"><br>
        category:<input type="text" name="category" value="1"><br>
        debug:<input type="text" name="debug" value="1"><br>
        image:<input type="file" name="image"><br>
        <input type="submit" value="Submit">
     </form>
  </body>
</html>

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Python代码：我已经根据答案编辑了问题

import urllib, urllib2
import base64

if __name__ == '__main__':
    page = 'http://some.site.com:61235/'
    with open("~/image.jpg", "rb") as image_file:
        encoded_image = base64.b64encode(image_file.read())
    raw_params = {'quality':'2','category':'1','debug':'0', 'image': encoded_image}
    params = urllib.urlencode(raw_params)
    request = urllib2.Request(page, params)
    request.add_header("Content-type", "application/x-www-form-urlencoded; charset=UTF-8")
    page = urllib2.urlopen(request)
    info = page.info()

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错误：