New submission from Nicolás Hatcher <nicoli...@gmail.com>:
Hey I'm new here, so please let me know what incorrect things I am doing!
I _think_ `json.dumps(o, ensure_ascii=False)` is doing the wrong thing when `o`
has both unicode and str keys/values. For instance:
```
import json
o = {u"greeting": "hi", "currency": "€"}
json.dumps(o, ensure_ascii=False, encoding="utf8")
json.dumps(o, ensure_ascii=False)
```
The first `dumps` will work while the second will fail. the reason is:
https://github.com/python/cpython/blob/2.7/Lib/json/encoder.py#L198
This will decode any str if the encoding is not 'utf-8'. In the mixed case
(unicode and str) this will blow. I workaround is to use any of the aliases for
'utf-8' like 'utf8' or 'u8'.
I would be crazy happy to provide a PR if this is really an issue.
Let me know if extra clarification is needed.
Nicolás
----------
components: Unicode
messages: 315164
nosy: ezio.melotti, nhatcher, vstinner
priority: normal
severity: normal
status: open
title: json.dumps has different behaviour if encoding='utf-8' or encoding='utf8'
type: behavior
versions: Python 2.7
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue33255>
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