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extmod/modujson: Add support for dump/dumps separators keyword-argument.

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Optionally enabled via MICROPY_PY_UJSON_SEPARATORS.  Enabled by default.

For dump, make sure mp_get_stream_raise is called after
mod_ujson_separators since CPython does it in this order (if both
separators and stream are invalid, separators will raise an exception
first).

Add separators argument in the docs as well.

Signed-off-by: Peter Züger <zueger.peter@icloud.com>
Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Peter Züger
2021-02-03 09:24:25 +01:00
committed by Damien George
parent 8616129f2e
commit ffc854f17f
7 changed files with 99 additions and 6 deletions
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10
docs/library/ujson.rst
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@@ -12,14 +12,20 @@ data format.
Functions
---------
.. function:: dump(obj, stream)
.. function:: dump(obj, stream, separators=None)
Serialise *obj* to a JSON string, writing it to the given *stream*.
.. function:: dumps(obj)
If specified, separators should be an ``(item_separator, key_separator)``
tuple. The default is ``(', ', ': ')``. To get the most compact JSON
representation, you should specify ``(',', ':')`` to eliminate whitespace.
.. function:: dumps(obj, separators=None)
Return *obj* represented as a JSON string.
The arguments have the same meaning as in `dump`.
.. function:: load(stream)
Parse the given *stream*, interpreting it as a JSON string and