On Wed, Sep 16, 2020 at 12:59 AM Rob Cliffe via Python-ideas <
[email protected]> wrote:
> On 14/09/2020 17:36, Christopher Barker wrote:
>
> nstructions that are not part of the JSON spec) but the proposed new
> functions will be strict.
>
as it looks like I maybe the one to write the PR -- no, I'm not suggesting
any changes to compliance.
The only thing even remotely on the table is only supporting UTF-8 -- but
IIUC, the current functions, if they do the encoding/decoding for you, are
already UTF-8 only, so no change.
load() and dump() work with text file-like objects -- they are not doing
any encoding/decoding.
loads() is working with strings or bytes. if strings, then no encoding. if
bytes, then:
"The ``encoding`` argument is ignored and deprecated since Python 3.1"
which I figured meant utf-8 but it fact it seems to work with utf-16 as
well.
In [17]: utf16 = '{"this": 5}'.encode('utf-16')
In [18]: json.loads(utf16)
Out[18]: {'this': 5}
which surprises me. I'll need to look at the code and see what it's doing.
Unless someone wants to tell us :-)
dumps(), meanwhile, dumps a str, so gain, no encoding.
The idea here is that if you want to use loadf() or dumpf(), it will be
utf-8, and if you want to use another encoding, you can open the file
yourself and use load() or dump()
> To minimise possible confusion, I think that the documentation (both the
> docstrings and the online docs) should be **very clear** about this.
>
Yes, and they need some help in that regard now anyway.
-CHB
> E.g.
> loads:
> ...
> loads accepts blah-blah-blah. This is different from loadf which only
> accepts strict JSON.
>
> loadf:
> ...
> loadf only accepts strict JSON. This is different from loads which
> blah-blah-blah
>
> Etc.
> Rob Cliffe
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--
Christopher Barker, PhD
Python Language Consulting
- Teaching
- Scientific Software Development
- Desktop GUI and Web Development
- wxPython, numpy, scipy, Cython
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