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Asked: 2026-06-03T06:49:19+00:00

In my post handler, the body of the message is a json. In self.request.body,

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In my post handler, the body of the message is a json.
In self.request.body, I’m getting a HTML encoded message:

%7B+%22name%22%3A+%22John+Dao%22%2C+%22Age%22%3A+42+%7D=

Taking a look at the network traffic, the payload is actually:

{ "name": "John Dao", "Age": 42 }

So, I’m pretty sure the encoding happens on the server. How do I decode this string, or somehow tell json.loads to accept encoded message, or better yet – tell WSGI (It is Google App Engine) not encoding the body to beging with?

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1 Answer

  1. Editorial Team
    >>> import urllib
>>> urllib.unquote_plus("%7B+%22name%22%3A+%22John+Dao%22%2C+%22Age%22%3A+42+%7D=")
'{ "name": "John Dao", "Age": 42 }='

    It looks as though the GAE implementation of WebOb is trying to parse and rewrite the POST body as though its content type is “application/x-www-urlencoded” – even the url-decoded string has a “=” appended to it.

    If this is the case, and you can change the client behavior, try setting it to something like “application/json” instead.

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