https://github.com/python/cpython/commit/e9dab656380ec03d628979975646748330b76b9b
commit: e9dab656380ec03d628979975646748330b76b9b
branch: main
author: Nicholas Hollander <31573882+nhhollan...@users.noreply.github.com>
committer: serhiy-storchaka <storch...@gmail.com>
date: 2024-02-01T17:24:15Z
summary:
gh-105031: Clarify datetime documentation for ISO8601 (GH-105049)
files:
M Doc/library/datetime.rst
diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst
index 4ff049c8709289..db9a92ae4111e3 100644
--- a/Doc/library/datetime.rst
+++ b/Doc/library/datetime.rst
@@ -536,7 +536,15 @@ Other constructors, all class methods:
.. classmethod:: date.fromisoformat(date_string)
Return a :class:`date` corresponding to a *date_string* given in any valid
- ISO 8601 format, except ordinal dates (e.g. ``YYYY-DDD``)::
+ ISO 8601 format, with the following exceptions:
+
+ 1. Reduced precision dates are not currently supported (``YYYY-MM``,
+ ``YYYY``).
+ 2. Extended date representations are not currently supported
+ (``±YYYYYY-MM-DD``).
+ 3. Ordinal dates are not currently supported (``YYYY-OOO``).
+
+ Examples::
>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
@@ -1017,8 +1025,12 @@ Other constructors, all class methods:
1. Time zone offsets may have fractional seconds.
2. The ``T`` separator may be replaced by any single unicode character.
- 3. Ordinal dates are not currently supported.
- 4. Fractional hours and minutes are not supported.
+ 3. Fractional hours and minutes are not supported.
+ 4. Reduced precision dates are not currently supported (``YYYY-MM``,
+ ``YYYY``).
+ 5. Extended date representations are not currently supported
+ (``±YYYYYY-MM-DD``).
+ 6. Ordinal dates are not currently supported (``YYYY-OOO``).
Examples::
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