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Diffstat (limited to 'Doc/library/json.rst')
| -rw-r--r-- | Doc/library/json.rst | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/Doc/library/json.rst b/Doc/library/json.rst index 26579ec6328..12a5a96a3c5 100644 --- a/Doc/library/json.rst +++ b/Doc/library/json.rst @@ -18,12 +18,17 @@ is a lightweight data interchange format inspired by `JavaScript <https://en.wikipedia.org/wiki/JavaScript>`_ object literal syntax (although it is not a strict subset of JavaScript [#rfc-errata]_ ). +.. note:: + The term "object" in the context of JSON processing in Python can be + ambiguous. All values in Python are objects. In JSON, an object refers to + any data wrapped in curly braces, similar to a Python dictionary. + .. warning:: Be cautious when parsing JSON data from untrusted sources. A malicious JSON string may cause the decoder to consume considerable CPU and memory resources. Limiting the size of data to be parsed is recommended. -:mod:`json` exposes an API familiar to users of the standard library +This module exposes an API familiar to users of the standard library :mod:`marshal` and :mod:`pickle` modules. Encoding basic Python object hierarchies:: @@ -60,7 +65,7 @@ Pretty printing:: "6": 7 } -Specializing JSON object encoding:: +Customizing JSON object encoding:: >>> import json >>> def custom_json(obj): @@ -83,7 +88,7 @@ Decoding JSON:: >>> json.load(io) ['streaming API'] -Specializing JSON object decoding:: +Customizing JSON object decoding:: >>> import json >>> def as_complex(dct): @@ -279,7 +284,7 @@ Basic Usage :param object_hook: If set, a function that is called with the result of - any object literal decoded (a :class:`dict`). + any JSON object literal decoded (a :class:`dict`). The return value of this function will be used instead of the :class:`dict`. This feature can be used to implement custom decoders, @@ -289,7 +294,7 @@ Basic Usage :param object_pairs_hook: If set, a function that is called with the result of - any object literal decoded with an ordered list of pairs. + any JSON object literal decoded with an ordered list of pairs. The return value of this function will be used instead of the :class:`dict`. This feature can be used to implement custom decoders. |