Having watched the threads on weewx-dev for months now I just want to say great work and thank you to Tom and Matt and *all* of the amazing people who contribute to this excellent software. Congratulations on the release. Really looking forward to trying it out!
Cheers Chris > On Apr 30, 2020, at 10:09 AM, Tom Keffer <tkef...@gmail.com> wrote: > > After months of waiting, Version 4 has finally arrived! The major new feature > is that WeeWX will not run under either Python 2 or Python 3. > > It took a long time to get the packaging right but now, thanks to Matthew > Wall, WeeWX is easier than ever to install. Be sure to read the installation > instructions for your specific operating system <http://weewx.com/docs.html>. > As always, a setup.py install method is also supported. > > Generally, the package installers will use Python 3, if its available. On > older systems, the installers will use Python 2. > > > CHANGE LOG > Ported to Python 3. WeeWX should now run under Python 3.5 and greater, as well > as Python 2.7. Support for Python 2.5 and 2.6 has been dropped. > > New facility for creating new user-defined derived types. See the Wiki article > https://github.com/weewx/weewx/wiki/WeeWX-V4-user-defined-types > <https://github.com/weewx/weewx/wiki/WeeWX-V4-user-defined-types> > > WeeWX now uses the Python 'logging' facility. This means log, formats, and > other > things can now be customized. Fixes issue #353. > > Strings appearing in the data stream no longer cause a TypeError if they can > be > converted to a number. > > Strings can now be accumulated and extracted in the accumulators, making it > possible to include them in the database schemas. > > The utility wee_reports now loads services, allowing it to use user-supplied > extensions. Fixes issue #95. > > New default schema ("wview_extended") that offers many new types. The old > schema > is still supported. Fixes issue #115. > > Optional, more flexible, way of specifying schemas for the daily summaries. > The > old way is still supported. > > The install process now offers to register a user's station with weewx.com > <http://weewx.com/>. > > The package MySQL-python, which we used previously, is not always available on > Python 3. Ported the MySQL code to use the package mysqlclient as an > alternative. > > The default for WOW no longer throttles posting frequency (the default used to > be no more than once every 15 minutes). > > Added new aggregate types minsum, minsumtime, sum_le. PR #382. > > Unit group group_distance is now a first-class group. > > Added new tag $python_version. > > Ported to Python2-PyMySQL package on OpenSUSE. > > Added new aggregation types 'first' (similar to 'last'), 'diff' (the > difference > between last and first value in the aggregation interval), and 'tderiv' (the > difference divided by the time difference). > > Created new unit group 'group_energy2', defined as watt-seconds. Useful for > high > resolution energy monitors. > > An observation type known to the system, but not in a record, will now return > a > proper ValueTuple, rather than UnknownType. > > Type "stormStart" was added to the unit system. Fixes issue #380. > > Added new aggregation type 'growdeg'. Similar to 'heatdeg', or 'cooldeg', it > measures growing degree-days. Basically, cooldeg, but with a different base. > Fixes issue #367. Thanks to user Clay Jackson for guidance! > > Ported OS uptime to OpenBSD. Fixes issue #428. Thanks to user Jeff Ross! > > Catch SSL certificate errors in uploaders. Retry after an hour. Fixes issue > #413. > > Wunderfixer has been ported to the new WU API. This API requires an API key, > which you can get from the WU. Put it in weewx.conf. Added option > --upload-only. > Thanks to user Leon Shaner! Fixes issues #414 and #445. > > Wee_import can now import Weather Display monthly log files. > > Fixed problem where sub-sections DegreeDays and Trend were located under the > wrong weewx.conf section. Fixes issue #432. Thanks to user mph for spotting > this! > > Added new parameters to the Weather Underground uploader. Fixes issue #435. > > Added new air quality types pm1_0, pm2_5, and pm10_0 to the unit system. Added > new unit microgram_per_meter_cubed. Added new unit group, group_concentration. > > Plist for the Mac launcher now includes a log file for stderr. > > Night-day transition in plots now uses shortest travel distance around color > wheel to minimize extra colors. Fixes issue #457. Thanks to user Alex Edwards! > > Fixed bug that causes plots to fail when both min and max are zero. Fixes > issue > #463. > > Fixed problem with sqlite driver that can lead to memory growth. See PR #467. > Thanks to user Rich Bell! > > Fixed bug that caused windrun to be calculated wrongly under METRICWX unit > system. Fixes issue #452. > > If a bad value of 'interval' is encountered in a record, the program will > simply > ignore it, rather than stopping. Address issue #375. > > Change in how the archive timespan is calculated in the engine. This allows > oddball archive intervals. Fixes issue #469. > > NOAA reports are now more tolerant of missing data. Fixes issue #300. > > Use of strftime() date and time format codes in template file names is now > supported as an alternative to the legacy 'YYYY', 'MM' and 'DD'. The legacy > codes continue to be supported for backwards compatibility. Fixes issue #415. > > New --calc-missing action added to wee_database to calculate and store derived > observations. > > wee_import now calculates missing derived observations once all imported data > has been saved to archive. Fixes issue #443. > > wee_import now tolerates periods that contain no source data. Fixes issue > #499. > > wee_import now accepts strings representing cardinal, intercardinal and > secondary intercardinal directions in CSV imports. Partially fixes issue #238. > > The field delimiter character may now be defined for wee_import CSV imports. > > Ignore historical records if the timestamp is in the future. > > Can now recover from MariaDB-specific database connection error 1927. > > Changed the name of the unit "litre" to "liter", making its spelling more > consistent with "meter". The spelling "litre" is still accepted. > > Systemd type changed from "simple" to "forking". Thanks to user Jaap de Munck > for figuring this one out! > > The configuration file is now an optional argument when running weewxd > directly. > This means most users will be able to use the simple command line 'sudo > weewxd'. > > Use correct log path for netbsd and openbsd in logger setup. > > StdWXCalculate no longer calculates anything by default. Instead, types to be > calculated must be listed in weewx.conf. See the Upgrade Guide. > > setup.py install no longer saves the old 'bin' subdirectory. 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