bpo-34158: Documentation UTC offset update (GH-8377)
* Documentation of UTC offset update Since changes in the UTC offset that allows sub-minute offsets, the documentation needs update: - "%z" format code documentation update Karthikeyan Singaravelan commented on bugs.python.org: Added as part of018d353c1cand a fix regarding duplicate words for that part was added atbac2d5ba30. Relevant format string at https://github.com/python/cpython/pull/2896/files#diff-25e2d173c84057d069b7890450714eddR214. Relevant test case with 6-digit string for microsecond : https://github.com/python/cpython/pull/2896/files#diff-acc40bec51c7de832de3361db3edae52R309. Table at https://docs.python.org/3.7/library/datetime.html#strftime-and-strptime-behavior could also be updated with microseconds being optional in the second column %z | UTC offset in the form ±HHMM[SS] (empty string if the object is naive). | (empty), +0000, -0400, +1030 - isoformat documentation update According to me, needs confirmation: Relevant format string at https://github.com/python/cpython/pull/4699/files#diff-25e2d173c84057d069b7890450714eddR176 Relevant test case at https://github.com/python/cpython/pull/4699/files#diff-25e2d173c84057d069b7890450714edd * From Martin Panter: some style improvment; From @pganssle: using f for fractional part of seconds in all file.
This commit is contained in:
Christophe Nanteuil
Alexander Belopolsky
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7bb9cd0a67
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92878829c3
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@ -841,7 +841,7 @@ Other constructors, all class methods:
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Return a :class:`datetime` corresponding to a *date_string* in one of the
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formats emitted by :meth:`date.isoformat` and :meth:`datetime.isoformat`.
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Specifically, this function supports strings in the format(s)
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``YYYY-MM-DD[*HH[:MM[:SS[.mmm[mmm]]]][+HH:MM[:SS[.ffffff]]]]``,
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``YYYY-MM-DD[*HH[:MM[:SS[.fff[fff]]]][+HH:MM[:SS[.ffffff]]]]``,
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where ``*`` can match any single character.
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.. caution::
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@ -1215,13 +1215,13 @@ Instance methods:
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.. method:: datetime.isoformat(sep='T', timespec='auto')
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Return a string representing the date and time in ISO 8601 format,
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YYYY-MM-DDTHH:MM:SS.mmmmmm or, if :attr:`microsecond` is 0,
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YYYY-MM-DDTHH:MM:SS.ffffff or, if :attr:`microsecond` is 0,
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YYYY-MM-DDTHH:MM:SS
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If :meth:`utcoffset` does not return ``None``, a 6-character string is
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appended, giving the UTC offset in (signed) hours and minutes:
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YYYY-MM-DDTHH:MM:SS.mmmmmm+HH:MM or, if :attr:`microsecond` is 0
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YYYY-MM-DDTHH:MM:SS+HH:MM
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If :meth:`utcoffset` does not return ``None``, a string is
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appended, giving the UTC offset:
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YYYY-MM-DDTHH:MM:SS.ffffff+HH:MM[:SS[.ffffff]] or, if :attr:`microsecond`
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is 0 YYYY-MM-DDTHH:MM:SS+HH:MM[:SS[.ffffff]].
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The optional argument *sep* (default ``'T'``) is a one-character separator,
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placed between the date and time portions of the result. For example,
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@ -1245,7 +1245,7 @@ Instance methods:
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in HH:MM:SS format.
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- ``'milliseconds'``: Include full time, but truncate fractional second
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part to milliseconds. HH:MM:SS.sss format.
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- ``'microseconds'``: Include full time in HH:MM:SS.mmmmmm format.
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- ``'microseconds'``: Include full time in HH:MM:SS.ffffff format.
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.. note::
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@ -1522,7 +1522,7 @@ Other constructor:
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Return a :class:`time` corresponding to a *time_string* in one of the
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formats emitted by :meth:`time.isoformat`. Specifically, this function supports
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strings in the format(s) ``HH[:MM[:SS[.mmm[mmm]]]][+HH:MM[:SS[.ffffff]]]``.
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strings in the format(s) ``HH[:MM[:SS[.fff[fff]]]][+HH:MM[:SS[.ffffff]]]``.
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.. caution::
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@ -1548,10 +1548,10 @@ Instance methods:
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.. method:: time.isoformat(timespec='auto')
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Return a string representing the time in ISO 8601 format, HH:MM:SS.mmmmmm or, if
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Return a string representing the time in ISO 8601 format, HH:MM:SS.ffffff or, if
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:attr:`microsecond` is 0, HH:MM:SS If :meth:`utcoffset` does not return ``None``, a
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6-character string is appended, giving the UTC offset in (signed) hours and
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minutes: HH:MM:SS.mmmmmm+HH:MM or, if self.microsecond is 0, HH:MM:SS+HH:MM
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string is appended, giving the UTC offset: HH:MM:SS.ffffff+HH:MM[:SS[.ffffff]]
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or, if self.microsecond is 0, HH:MM:SS+HH:MM[:SS[.ffffff]].
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The optional argument *timespec* specifies the number of additional
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components of the time to include (the default is ``'auto'``).
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@ -1565,7 +1565,7 @@ Instance methods:
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in HH:MM:SS format.
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- ``'milliseconds'``: Include full time, but truncate fractional second
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part to milliseconds. HH:MM:SS.sss format.
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- ``'microseconds'``: Include full time in HH:MM:SS.mmmmmm format.
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- ``'microseconds'``: Include full time in HH:MM:SS.ffffff format.
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.. note::
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@ -2091,9 +2091,10 @@ format codes.
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| | number, zero-padded on the | 999999 | |
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| | left. | | |
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+-----------+--------------------------------+------------------------+-------+
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| ``%z`` | UTC offset in the form | (empty), +0000, -0400, | \(6) |
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| | ±HHMM[SS] (empty string if the | +1030 | |
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| | object is naive). | | |
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| ``%z`` | UTC offset in the form | (empty), +0000, | \(6) |
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| | ±HHMM[SS[.ffffff]] (empty | -0400, +1030, | |
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| | string if the object is | +063415, | |
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| | naive). | -030712.345216 | |
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+-----------+--------------------------------+------------------------+-------+
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| ``%Z`` | Time zone name (empty string | (empty), UTC, EST, CST | |
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| | if the object is naive). | | |
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@ -2206,12 +2207,12 @@ Notes:
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``%z``
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:meth:`utcoffset` is transformed into a string of the form
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±HHMM[SS[.uuuuuu]], where HH is a 2-digit string giving the number of UTC
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offset hours, and MM is a 2-digit string giving the number of UTC offset
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±HHMM[SS[.ffffff]], where HH is a 2-digit string giving the number of UTC
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offset hours, MM is a 2-digit string giving the number of UTC offset
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minutes, SS is a 2-digit string giving the number of UTC offset
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seconds and uuuuuu is a 2-digit string giving the number of UTC
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offset microseconds. The uuuuuu part is omitted when the offset is a
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whole number of minutes and both the uuuuuu and the SS parts are omitted
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seconds and ffffff is a 6-digit string giving the number of UTC
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offset microseconds. The ffffff part is omitted when the offset is a
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whole number of seconds and both the ffffff and the SS part is omitted
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when the offset is a whole number of minutes. For example, if
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:meth:`utcoffset` returns ``timedelta(hours=-3, minutes=-30)``, ``%z`` is
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replaced with the string ``'-0330'``.
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