Updates

ETB-API/venv/lib/python3.12/site-packages/celery/utils/iso8601.py

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+"""Parse ISO8601 dates.
+
+Originally taken from :pypi:`pyiso8601`
+(https://bitbucket.org/micktwomey/pyiso8601)
+
+Modified to match the behavior of ``dateutil.parser``:
+
+    - raise :exc:`ValueError` instead of ``ParseError``
+    - return naive :class:`~datetime.datetime` by default
+
+This is the original License:
+
+Copyright (c) 2007 Michael Twomey
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub-license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+"""
+import re
+from datetime import datetime, timedelta, timezone
+
+from celery.utils.deprecated import warn
+
+__all__ = ('parse_iso8601',)
+
+# Adapted from http://delete.me.uk/2005/03/iso8601.html
+ISO8601_REGEX = re.compile(
+    r'(?P<year>[0-9]{4})(-(?P<month>[0-9]{1,2})(-(?P<day>[0-9]{1,2})'
+    r'((?P<separator>.)(?P<hour>[0-9]{2}):(?P<minute>[0-9]{2})'
+    r'(:(?P<second>[0-9]{2})(\.(?P<fraction>[0-9]+))?)?'
+    r'(?P<timezone>Z|(([-+])([0-9]{2}):([0-9]{2})))?)?)?)?'
+)
+TIMEZONE_REGEX = re.compile(
+    r'(?P<prefix>[+-])(?P<hours>[0-9]{2}).(?P<minutes>[0-9]{2})'
+)
+
+
+def parse_iso8601(datestring: str) -> datetime:
+    """Parse and convert ISO-8601 string to datetime."""
+    warn("parse_iso8601", "v5.3", "v6", "datetime.datetime.fromisoformat or dateutil.parser.isoparse")
+    m = ISO8601_REGEX.match(datestring)
+    if not m:
+        raise ValueError('unable to parse date string %r' % datestring)
+    groups = m.groupdict()
+    tz = groups['timezone']
+    if tz == 'Z':
+        tz = timezone(timedelta(0))
+    elif tz:
+        m = TIMEZONE_REGEX.match(tz)
+        prefix, hours, minutes = m.groups()
+        hours, minutes = int(hours), int(minutes)
+        if prefix == '-':
+            hours = -hours
+            minutes = -minutes
+        tz = timezone(timedelta(minutes=minutes, hours=hours))
+    return datetime(
+        int(groups['year']), int(groups['month']),
+        int(groups['day']), int(groups['hour'] or 0),
+        int(groups['minute'] or 0), int(groups['second'] or 0),
+        int(groups['fraction'] or 0), tz
+    )