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Changelog
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Changelog
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version 1.3.1 (not yet released)
================================
* fix for issue #211 (bug in masked array handling in date2num)
version 1.3.0 (release tag v1.3.0rel)
=====================================
* zero pad years in strtime (issue #194)
* have cftime.datetime constuctor create 'calendar-aware' instances (default is
'standard' calendar, if calendar='' or None the instance is not calendar aware and some
methods, like dayofwk, dayofyr, __add__ and __sub__, will not work). Fixes issue #198.
The calendar specific sub-classes are now deprecated, but remain for now
as stubs that just instantiate the base class and override __repr__.
* update regex in _cpdef _parse_date so reference years with more than four
digits can be handled.
* Change default calendar in cftime.date2num from 'standard' to None
(calendar associated with first input datetime object is used).
* add `cftime.datetime.tzinfo=None` for compatibility with python datetime
(issue #208).
version 1.2.1 (release tag v1.2.1rel)
=====================================
* num2date uses 'proleptic_gregorian' scheme when basedate is post-Gregorian but date is pre-Gregorian
(issue #182).
* fix 1.2.0 regression (date2num no longer works with numpy scalar array inputs, issue #185).
* Fix for issue #187 (have date2num round to the nearest second when within 1
microsecond).
* Fix for issue #189 (leap years calculated incorrectly for negative years in
proleptic_gregorian calendar).
version 1.2.0 (release tag v1.2.0rel)
=====================================
* Return the default values of dayofwk and dayofyr when calendar
is '' (issue #173).
* fix treatment of masked arrays in num2date and date2num (issue #175).
Also make sure masked arrays are output from num2date/date2num if
masked arrays are input.
* Where possible, use timedelta arithmetic to decode times exactly within
num2date (issue #171).
* Make taking the difference between two cftime datetimes to produce a
timedelta exact to the microsecond; depending on the units encoding,
this enables date2num to be exact as well (issue #109).
* utime.date2num/utime.num2date now just call module level functions.
JulianDayFromDate/DateFromJulianDay no longer used internally (PR #180).
version 1.1.3 (release tag v1.1.3rel)
=====================================
* add isoformat method for compatibility with python datetime (issue #152).
* make 'standard' default calendar for cftime.datetime
so that dayofwk,dayofyr methods don't fail (issue #169).
version 1.1.2 (release tag v1.1.2rel)
=====================================
* change dayofwk and dayofyr attributes into properties (issue #158)
* fix for issue #165 (python datetime should be returned when
only_use_cftime_datetimes=False).
version 1.1.1.2 (release tag v1.1.1.2rel)
=========================================
* include pyproject.toml in MANIFEST.in so it gets
included in source tarball (issue #154).
version 1.1.1.1 (release tag v1.1.1.1rel)
=========================================
* Fix error installing with pip on python 3.8 by following
PEP 517 (issue #148, PR #149)
version 1.1.1 (release tag v1.1.1rel)
=====================================
* fix microsecond formatting issue, ensure identical results
computed for arrays and scales (issue #143, PR #146).
version 1.1.0 (release tag v1.1.0rel)
=====================================
* improved exceptions for time differences (issue #128, PR #131).
* fix intersphinx entries (issue #133, PR #133)
* make only_use_cftime_datetimes=True by default, so cftime datetime
instances are returned by default by num2date (instead of returning python
datetime instances where possible). Issue #136, PR #135.
* Add daysinmonth attribute (issue #137, PR #138).
* If only_use_python_datetimes=True and only_use_cftime_datetimes=False,
num2date only returns python datetime instances and raises an exception
if this is not possible. num2pydate convenience function added which just calls
num2date with only_use_python_datetimes=True and
only_use_cftime_datetimes=False.
Remove positive times check, raise ValueError if python datetime
tries to compute a date before MINYEAR (issue #134, PR #139)
* Fix for fractional seconds in reference date in units string (issue #140,
PR # 141).
version 1.0.4.2 release
=======================
* fix for issue #126 (date2num error when converting a DatetimeProlepticGregorian
object). PR #127.