Unicode values in strings are escaped when dumping to JSON in Python

Question

For example:

>>> print(json.dumps('růže'))
"r\u016f\u017ee"

(Of course, in the real program it's not just a single string, and it also appears like this in the file, when using json.dump()) I'd like it to output simply "růže" as well, how to do that?

As long as it can be parsed back into "růže", why does it matter what the json looks like? — robert, Jun 02 '12 at 19:20
Have you seen http://stackoverflow.com/questions/583562/json-character-encoding? — Cameron, Jun 02 '12 at 19:22
Whoops, I wasn't aware of that, I probably should have checked it first. Thanks! — Theon144, Jun 02 '12 at 19:49

score 14 · Accepted Answer · edited Jun 03 '22 at 04:10

14

Pass the ensure_ascii=False argument to json.dumps:

>>> print(json.dumps('růže', ensure_ascii=False))
"růže"

edited Jun 03 '22 at 04:10

metatoaster

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answered Jun 02 '12 at 19:21

BrenBarn

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This works! Except that since I was serializing and object, I had to convert the unicode strings with `.encode('utf-8')` first, otherwise it threw `UnicodeEncodeError` errors. Thanks! – Theon144 Jun 02 '12 at 19:45

Unicode values in strings are escaped when dumping to JSON in Python

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