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author | Bob Ippolito <bob@redivi.com> | 2009-02-16 00:48:35 +0000 |
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committer | Bob Ippolito <bob@redivi.com> | 2009-02-16 00:48:35 +0000 |
commit | edb409fab04d0a5ff18eeb8f0225c5bd79fc5a25 (patch) | |
tree | 3cec2c5e00f9e0103c3de6bee77709b6148ab86d /index.rst | |
parent | e36815997181e2d74c2180fb7fe7bb142631bae8 (diff) | |
download | simplejson-edb409fab04d0a5ff18eeb8f0225c5bd79fc5a25.tar.gz |
fixed http://code.google.com/p/simplejson/issues/detail?id=35 -- no longer checks exactly for True and False
git-svn-id: http://simplejson.googlecode.com/svn/trunk@164 a4795897-2c25-0410-b006-0d3caba88fa1
Diffstat (limited to 'index.rst')
-rw-r--r-- | index.rst | 60 |
1 files changed, 32 insertions, 28 deletions
@@ -97,13 +97,13 @@ Specializing JSON object encoding:: .. highlight:: none -Using simplejson.tool from the shell to validate and pretty-print:: +Using :mod:`simplejson.tool` from the shell to validate and pretty-print:: - $ echo '{"json":"obj"}' | python -msimplejson.tool + $ echo '{"json":"obj"}' | python -m simplejson.tool { "json": "obj" } - $ echo '{ 1.2:3.4}' | python -msimplejson.tool + $ echo '{ 1.2:3.4}' | python -m simplejson.tool Expecting property name: line 1 column 2 (char 2) .. highlight:: python @@ -122,40 +122,44 @@ Basic Usage Serialize *obj* as a JSON formatted stream to *fp* (a ``.write()``-supporting file-like object). - If *skipkeys* is ``True`` (default: ``False``), then dict keys that are not + If *skipkeys* is true (default: ``False``), then dict keys that are not of a basic type (:class:`str`, :class:`unicode`, :class:`int`, :class:`long`, :class:`float`, :class:`bool`, ``None``) will be skipped instead of raising a :exc:`TypeError`. - If *ensure_ascii* is ``False`` (default: ``True``), then some chunks written + If *ensure_ascii* is false (default: ``True``), then some chunks written to *fp* may be :class:`unicode` instances, subject to normal Python :class:`str` to :class:`unicode` coercion rules. Unless ``fp.write()`` explicitly understands :class:`unicode` (as in :func:`codecs.getwriter`) this is likely to cause an error. It's best to leave the default settings, because they are safe and it is highly optimized. - If *check_circular* is ``False`` (default: ``True``), then the circular + If *check_circular* is false (default: ``True``), then the circular reference check for container types will be skipped and a circular reference will result in an :exc:`OverflowError` (or worse). - If *allow_nan* is ``False`` (default: ``True``), then it will be a + If *allow_nan* is false (default: ``True``), then it will be a :exc:`ValueError` to serialize out of range :class:`float` values (``nan``, - ``inf``, ``-inf``) in strict compliance of the JSON specification, instead of - using the JavaScript equivalents (``NaN``, ``Infinity``, ``-Infinity``). + ``inf``, ``-inf``) in strict compliance of the JSON specification. + If *allow_nan* is true, their JavaScript equivalents will be used + (``NaN``, ``Infinity``, ``-Infinity``). If *indent* is a non-negative integer, then JSON array elements and object members will be pretty-printed with that indent level. An indent level of 0 will only insert newlines. ``None`` (the default) selects the most compact representation. - If *separators* is an ``(item_separator, dict_separator)`` tuple, then it - will be used instead of the default ``(', ', ': ')`` separators. ``(',', - ':')`` is the most compact JSON representation. + If specified, *separators* should be an ``(item_separator, dict_separator)`` + tuple. By default, ``(', ', ': ')`` are used. To get the most compact JSON + representation, you should specify ``(',', ':')`` to eliminate whitespace. - *encoding* is the character encoding for str instances, default is UTF-8. + *encoding* is the character encoding for str instances, default is + ``'utf-8'``. - *default(obj)* is a function that should return a serializable version of - *obj* or raise :exc:`TypeError`. The default simply raises :exc:`TypeError`. + If specified, *default* should be a function that gets called for objects + that can't otherwise be serialized. It should return a JSON encodable + version of the object or raise a :exc:`TypeError`. If not specified, + :exc:`TypeError` is always raised in those cases. To use a custom :class:`JSONEncoder` subclass (e.g. one that overrides the :meth:`default` method to serialize additional types), specify it with the @@ -172,7 +176,7 @@ Basic Usage Serialize *obj* to a JSON formatted :class:`str`. - If *ensure_ascii* is ``False``, then the return value will be a + If *ensure_ascii* is false, then the return value will be a :class:`unicode` instance. The other arguments have the same meaning as in :func:`dump`. Note that the default *ensure_ascii* setting has much better performance. @@ -232,7 +236,7 @@ Basic Usage specified. Encodings that are not ASCII based (such as UCS-2) are not allowed and should be decoded to :class:`unicode` first. - The other arguments have the same meaning as in :func:`dump`. + The other arguments have the same meaning as in :func:`load`. Encoders and decoders @@ -342,26 +346,26 @@ Encoders and decoders for ``o`` if possible, otherwise it should call the superclass implementation (to raise :exc:`TypeError`). - If *skipkeys* is ``False`` (the default), then it is a :exc:`TypeError` to + If *skipkeys* is false (the default), then it is a :exc:`TypeError` to attempt encoding of keys that are not str, int, long, float or None. If - *skipkeys* is ``True``, such items are simply skipped. + *skipkeys* is true, such items are simply skipped. - If *ensure_ascii* is ``True`` (the default), the output is guaranteed to be + If *ensure_ascii* is true (the default), the output is guaranteed to be :class:`str` objects with all incoming unicode characters escaped. If - *ensure_ascii* is ``False``, the output will be a unicode object. + *ensure_ascii* is false, the output will be a unicode object. - If *check_circular* is ``True`` (the default), then lists, dicts, and custom + If *check_circular* is false (the default), then lists, dicts, and custom encoded objects will be checked for circular references during encoding to prevent an infinite recursion (which would cause an :exc:`OverflowError`). Otherwise, no such check takes place. - If *allow_nan* is ``True`` (the default), then ``NaN``, ``Infinity``, and + If *allow_nan* is true (the default), then ``NaN``, ``Infinity``, and ``-Infinity`` will be encoded as such. This behavior is not JSON specification compliant, but is consistent with most JavaScript based encoders and decoders. Otherwise, it will be a :exc:`ValueError` to encode such floats. - If *sort_keys* is ``True`` (the default), then the output of dictionaries + If *sort_keys* is true (the default), then the output of dictionaries will be sorted by key; this is useful for regression tests to ensure that JSON serializations can be compared on a day-to-day basis. @@ -371,12 +375,12 @@ Encoders and decoders compact representation. If specified, *separators* should be an ``(item_separator, key_separator)`` - tuple. The default is ``(', ', ': ')``. To get the most compact JSON + tuple. By default, ``(', ', ': ')`` are used. To get the most compact JSON representation, you should specify ``(',', ':')`` to eliminate whitespace. - If specified, *default* is a function that gets called for objects that can't - otherwise be serialized. It should return a JSON encodable version of the - object or raise a :exc:`TypeError`. + If specified, *default* should be a function that gets called for objects + that can't otherwise be serialized. It should return a JSON encodable + version of the object or raise a :exc:`TypeError`. If *encoding* is not ``None``, then all input strings will be transformed into unicode using that encoding prior to JSON-encoding. The default is |