bpo-33400: Removed references to RFC3339 and ISO8601 from the logging documentation. (GH-7297)
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@ -790,11 +790,10 @@ Sections which specify formatter configuration are typified by the following.
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The ``format`` entry is the overall format string, and the ``datefmt`` entry is
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the :func:`strftime`\ -compatible date/time format string. If empty, the
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package substitutes ISO8601-style format date/times, which is almost equivalent to
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specifying the date format string ``'%Y-%m-%d %H:%M:%S'``. This format also
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specifies milliseconds, which are appended to the result of using the above
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format string, with a comma separator. An example time in this format is
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``2003-01-23 00:29:50,411``.
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package substitutes something which is almost equivalent to specifying the date
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format string ``'%Y-%m-%d %H:%M:%S'``. This format also specifies milliseconds,
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which are appended to the result of using the above format string, with a comma
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separator. An example time in this format is ``2003-01-23 00:29:50,411``.
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The ``class`` entry is optional. It indicates the name of the formatter's class
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(as a dotted module and class name.) This option is useful for instantiating a
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@ -515,9 +515,8 @@ The useful mapping keys in a :class:`LogRecord` are given in the section on
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Returns a new instance of the :class:`Formatter` class. The instance is
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initialized with a format string for the message as a whole, as well as a
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format string for the date/time portion of a message. If no *fmt* is
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specified, ``'%(message)s'`` is used. If no *datefmt* is specified, an
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ISO8601-like (or :rfc:`3339`-like) date format is used. See the
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:meth:`formatTime` documentation for more details.
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specified, ``'%(message)s'`` is used. If no *datefmt* is specified, a format
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is used which is described in the :meth:`formatTime` documentation.
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The *style* parameter can be one of '%', '{' or '$' and determines how
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the format string will be merged with its data: using one of %-formatting,
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@ -557,8 +556,10 @@ The useful mapping keys in a :class:`LogRecord` are given in the section on
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formatters to provide for any specific requirement, but the basic behavior
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is as follows: if *datefmt* (a string) is specified, it is used with
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:func:`time.strftime` to format the creation time of the
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record. Otherwise, an ISO8601-like (or RDC 3339-like) format is used. The
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resulting string is returned.
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record. Otherwise, the format '%Y-%m-%d %H:%M:%S,uuu' is used, where the
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uuu part is a millisecond value and the other letters are as per the
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:func:`time.strftime` documentation. An example time in this format is
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``2003-01-23 00:29:50,411``. The resulting string is returned.
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This function uses a user-configurable function to convert the creation
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time to a tuple. By default, :func:`time.localtime` is used; to change
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@ -569,8 +570,8 @@ The useful mapping keys in a :class:`LogRecord` are given in the section on
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attribute in the ``Formatter`` class.
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.. versionchanged:: 3.3
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Previously, the default ISO8601-like format was hard-coded as in this
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example: ``2010-09-06 22:38:15,292`` where the part before the comma is
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Previously, the default format was hard-coded as in this example:
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``2010-09-06 22:38:15,292`` where the part before the comma is
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handled by a strptime format string (``'%Y-%m-%d %H:%M:%S'``), and the
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part after the comma is a millisecond value. Because strptime does not
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have a format placeholder for milliseconds, the millisecond value is
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