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Below is the test program, including a Chinese character:
# -*- coding: utf-8 -*- import json j = {"d":"中", "e":"a"} json = json.dumps(j, encoding="utf-8") print json Below is the result, look the json.dumps convert the utf-8 to the original numbers!
{"e": "a", "d": "\u4e2d"} Why this is broken? Or anything I am wrong?
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The JSON spec requires UTF-8 support by decoders. As a result, all JSON decoders can handle UTF-8 just as well as they can handle the numeric escape sequences. This is also the case for Javascript interpreters, which means JSONP will handle the UTF-8 encoded JSON as well.
json. dump() method used to write Python serialized object as JSON formatted data into a file. json. dumps() method is used to encodes any Python object into JSON formatted String.
For characters represented by the 7-bit ASCII character codes, the UTF-8 representation is exactly equivalent to ASCII, allowing transparent round trip migration. Other Unicode characters are represented in UTF-8 by sequences of up to 6 bytes, though most Western European characters require only 2 bytes3.
Looks like valid JSON to me. If you want json to output a string that has non-ASCII characters in it then you need to pass ensure_ascii=False and then encode manually afterward.
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You should read json.org. The complete JSON specification is in the white box on the right.
There is nothing wrong with the generated JSON. Generators are allowed to genereate either UTF-8 strings or plain ASCII strings, where characters are escaped with the \uXXXX notation. In your case, the Python json module decided for escaping, and 中 has the escaped notation \u4e2d.
By the way: Any conforming JSON interpreter will correctly unescape this sequence again and give you back the actual character.
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