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#4783: document that is not possible to use json.dump twice on the same stream.

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Ezio Melotti 2011-04-15 07:37:00 +03:00
parent 046a764bb2
commit 60adf95955
1 changed files with 5 additions and 0 deletions
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Doc/library/json.rst
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@ -156,6 +156,11 @@ Basic Usage
Serialize *obj* to a JSON formatted :class:`str`. The arguments have the Serialize *obj* to a JSON formatted :class:`str`. The arguments have the
same meaning as in :func:`dump`. same meaning as in :func:`dump`.
.. note::
Unlike :mod:`pickle` and :mod:`marshal`, JSON is not a framed protocol so
trying to serialize more objects with repeated calls to :func:`dump` and
the same *fp* will result in an invalid JSON file.
.. function:: load(fp, cls=None, object_hook=None, parse_float=None, parse_int=None, parse_constant=None, object_pairs_hook=None, **kw) .. function:: load(fp, cls=None, object_hook=None, parse_float=None, parse_int=None, parse_constant=None, object_pairs_hook=None, **kw)