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gh-146061: Fix contradicting sentences in json docs #146095

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gh-146061: Fix contradicting sentences in json docs #146095

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17a3337
Fix #146061
jonathandung Mar 17, 2026
a5c0e64
Remove trailing space
jonathandung Mar 18, 2026
8cc270a
Merge branch 'main' into main
jonathandung Mar 18, 2026
6729677
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jonathandung Mar 19, 2026
539d82c
Edit json.dump docstring
jonathandung Mar 19, 2026
5571e3c
Merge branch 'python:main' into main
jonathandung Mar 19, 2026
62a65d9
Remove trailing whitespace
jonathandung Mar 19, 2026
307fbf1
Shorten description
jonathandung Mar 19, 2026
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jonathandung Mar 19, 2026
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jonathandung Mar 19, 2026
f8f49dc
Change docstring for dumps as well
jonathandung Mar 19, 2026
c8b2cd0
Remove trailing whitespace
jonathandung Mar 19, 2026
2336497
Merge branch 'main' into main
jonathandung Mar 19, 2026
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jonathandung Mar 19, 2026
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jonathandung Mar 19, 2026
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2 changes: 1 addition & 1 deletion Doc/library/json.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -211,7 +211,7 @@ Basic Usage
a string (such as ``"\t"``) is used to indent each level.
If zero, negative, or ``""`` (the empty string),
only newlines are inserted.
If ``None`` (the default), the most compact representation is used.
If ``None`` (the default), no newlines are inserted.
:type indent: int | str | None

:param separators:
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8 changes: 4 additions & 4 deletions Lib/json/__init__.py
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Expand Up @@ -142,8 +142,8 @@ def dump(obj, fp, *, skipkeys=False, ensure_ascii=True, check_circular=True,

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`` is the most compact
representation.
level of 0 will only insert newlines. ``None`` gives a compact
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@serhiy-storchaka serhiy-storchaka Mar 19, 2026

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If ``indent`` is ``None`` (the default), no newlines are inserted.

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@serhiy-storchaka serhiy-storchaka Mar 19, 2026

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This is not true. indent=None does not give a compact representation. indent=None gives the result of the same size as indent=0. I would not mention compactness here, it is misleading.

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@jonathandung jonathandung Mar 19, 2026

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It does give a compact representation.

> python -c "print(__import__('json').dumps([{'a': 1, 'b': [2, 3], 'c': {'d': 4, 'e': [5, 6]}}, 7]))"
[{"a": 1, "b": [2, 3], "c": {"d": 4, "e": [5, 6]}}, 7]
> python -c "print(__import__('json').dumps([{'a': 1, 'b': [2, 3], 'c': {'d': 4, 'e': [5, 6]}}, 7], indent=None))"
[{"a": 1, "b": [2, 3], "c": {"d": 4, "e": [5, 6]}}, 7]
> python -c "print(__import__('json').dumps([{'a': 1, 'b': [2, 3], 'c': {'d': 4, 'e': [5, 6]}}, 7], indent=0))"
[
{
"a": 1,
"b": [
2,
3
],
"c": {
"d": 4,
"e": [
5,
6
]
}
},
7
]

representation; see below.

If specified, ``separators`` should be an ``(item_separator,
key_separator)`` tuple. The default is ``(', ', ': ')`` if *indent* is
Expand Down Expand Up @@ -206,8 +206,8 @@ def dumps(obj, *, skipkeys=False, ensure_ascii=True, check_circular=True,

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`` is the most compact
representation.
level of 0 will only insert newlines. ``None`` gives a compact
representation; see below.

If specified, ``separators`` should be an ``(item_separator,
key_separator)`` tuple. The default is ``(', ', ': ')`` if *indent* is
Expand Down
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