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Diffstat (limited to 'Doc/library/json.rst')
| -rw-r--r-- | Doc/library/json.rst | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/Doc/library/json.rst b/Doc/library/json.rst index f9547cb..bdb6436 100644 --- a/Doc/library/json.rst +++ b/Doc/library/json.rst @@ -42,7 +42,8 @@ Compact encoding:: Pretty printing:: >>> import json - >>> print(json.dumps({'4': 5, '6': 7}, sort_keys=True, indent=4)) + >>> print(json.dumps({'4': 5, '6': 7}, sort_keys=True, + ... indent=4, separators=(',', ': '))) { "4": 5, "6": 7 @@ -155,6 +156,12 @@ Basic Usage .. versionchanged:: 3.2 Allow strings for *indent* in addition to integers. + .. note:: + + Since the default item separator is ``', '``, the output might include + trailing whitespace when *indent* is specified. You can use + ``separators=(',', ': ')`` to avoid this. + 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. @@ -393,6 +400,12 @@ Encoders and Decoders .. versionchanged:: 3.2 Allow strings for *indent* in addition to integers. + .. note:: + + Since the default item separator is ``', '``, the output might include + trailing whitespace when *indent* is specified. You can use + ``separators=(',', ': ')`` to avoid this. + 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. |