Belchertown not running under Ubuntu 24.04

[MaKi68]

Hello,
I installed weewx 5.02 with the Belchertown skin on Ubuntu 24.04.
I installed weewx in Debian and pip as a test.
Unfortunately, both versions produce an error message

Debian:
2024-06-22T14:52:16.564778+02:00 weewx-ubuntu weectl[11523]: INFO user.belchertown: version 1.3.1
2024-06-22T14:52:16.574267+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine: Caught unrecoverable exception in generator 'weewx.cheetahgenerator.CheetahGenerator'
2024-06-22T14:52:16.574381+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****  module 'locale' has no attribute 'format'
2024-06-22T14:52:16.579307+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****  Traceback (most recent call last):
2024-06-22T14:52:16.579411+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****    File "/usr/share/weewx/weewx/reportengine.py", line 220, in run
2024-06-22T14:52:16.579478+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****      obj.start()
2024-06-22T14:52:16.579544+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****    File "/usr/share/weewx/weewx/reportengine.py", line 409, in start
2024-06-22T14:52:16.579613+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****      self.run()
2024-06-22T14:52:16.579674+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****    File "/usr/share/weewx/weewx/cheetahgenerator.py", line 166, in run
2024-06-22T14:52:16.579748+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****      ngen = self.generate(gen_dict[section_name], section_name, self.gen_ts)
2024-06-22T14:52:16.579821+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2024-06-22T14:52:16.579893+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****    File "/usr/share/weewx/weewx/cheetahgenerator.py", line 226, in generate
2024-06-22T14:52:16.579981+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****      ngen += self.generate(section[subsection], subsection, gen_ts)
2024-06-22T14:52:16.580055+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2024-06-22T14:52:16.580124+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****    File "/usr/share/weewx/weewx/cheetahgenerator.py", line 226, in generate
2024-06-22T14:52:16.580191+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****      ngen += self.generate(section[subsection], subsection, gen_ts)
2024-06-22T14:52:16.580257+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2024-06-22T14:52:16.580323+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****    File "/usr/share/weewx/weewx/cheetahgenerator.py", line 309, in generate
2024-06-22T14:52:16.580394+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****      searchList = self._getSearchList(encoding, timespan,
2024-06-22T14:52:16.580471+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2024-06-22T14:52:16.580541+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****    File "/usr/share/weewx/weewx/cheetahgenerator.py", line 401, in _getSearchList
2024-06-22T14:52:16.580613+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****      search_list += obj.get_extension_list(timespan, db_lookup)
2024-06-22T14:52:16.580682+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2024-06-22T14:52:16.580753+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****    File "/etc/weewx/bin/user/belchertown.py", line 619, in get_extension_list
2024-06-22T14:52:16.580823+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****      locale.format("%.1f", 0),
2024-06-22T14:52:16.580902+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****      ^^^^^^^^^^^^^
2024-06-22T14:52:16.580983+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****  AttributeError: module 'locale' has no attribute 'format'. Did you mean: '_format'?
2024-06-22T14:52:16.581049+02:00 weewx-ubuntu weectl[11523]: ERROR weewx.reportengine:         ****  Generator terminated

pip:
2024-06-22T15:55:56.747209+02:00 weewx-ubuntu weectl[17348]: INFO user.belchertown: version 1.3.1
2024-06-22T15:55:56.819946+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine: Caught unrecoverable exception in generator 'weewx.cheetahgenerator.CheetahGenerator'
2024-06-22T15:55:56.820074+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****  module 'locale' has no attribute 'format'
2024-06-22T15:55:56.823093+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****  Traceback (most recent call last):
2024-06-22T15:55:56.823205+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****    File "/home/maki68/weewx-venv/lib/python3.12/site-packages/weewx/reportengine.py", line 220, in run
2024-06-22T15:55:56.823271+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****      obj.start()
2024-06-22T15:55:56.823335+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****    File "/home/maki68/weewx-venv/lib/python3.12/site-packages/weewx/reportengine.py", line 409, in start
2024-06-22T15:55:56.823397+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****      self.run()
2024-06-22T15:55:56.823463+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****    File "/home/maki68/weewx-venv/lib/python3.12/site-packages/weewx/cheetahgenerator.py", line 166, in run
2024-06-22T15:55:56.823526+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****      ngen = self.generate(gen_dict[section_name], section_name, self.gen_ts)
2024-06-22T15:55:56.823591+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2024-06-22T15:55:56.823669+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****    File "/home/maki68/weewx-venv/lib/python3.12/site-packages/weewx/cheetahgenerator.py", line 226, in generate
2024-06-22T15:55:56.823743+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****      ngen += self.generate(section[subsection], subsection, gen_ts)
2024-06-22T15:55:56.823806+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2024-06-22T15:55:56.823875+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****    File "/home/maki68/weewx-venv/lib/python3.12/site-packages/weewx/cheetahgenerator.py", line 226, in generate
2024-06-22T15:55:56.823954+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****      ngen += self.generate(section[subsection], subsection, gen_ts)
2024-06-22T15:55:56.824024+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2024-06-22T15:55:56.824090+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****    File "/home/maki68/weewx-venv/lib/python3.12/site-packages/weewx/cheetahgenerator.py", line 309, in generate
2024-06-22T15:55:56.824169+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****      searchList = self._getSearchList(encoding, timespan,
2024-06-22T15:55:56.824243+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2024-06-22T15:55:56.824319+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****    File "/home/maki68/weewx-venv/lib/python3.12/site-packages/weewx/cheetahgenerator.py", line 401, in _getSearchList
2024-06-22T15:55:56.824392+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****      search_list += obj.get_extension_list(timespan, db_lookup)
2024-06-22T15:55:56.824463+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2024-06-22T15:55:56.824536+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****    File "/home/maki68/weewx-data/bin/user/belchertown.py", line 612, in get_extension_list
2024-06-22T15:55:56.824614+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****      locale.format("%g", float(year_outTemp_max_range_total)),
2024-06-22T15:55:56.824688+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****      ^^^^^^^^^^^^^
2024-06-22T15:55:56.824757+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****  AttributeError: module 'locale' has no attribute 'format'. Did you mean: '_format'?
2024-06-22T15:55:56.824831+02:00 weewx-ubuntu weectl[17348]: ERROR weewx.reportengine:         ****  Generator terminated

Is this a weewx problem or a problem in the skin?

Thanks!

[Tom Keffer]

locale.format() has been deprecated since Python 3.7, and was removed in Python 3.12. It has been replaced with local.format_string().

I believe that there was a pull request submitted to the Belchertown repository to fix this. I don't know if Pat has done a new release to reflect the fix. 

Alternatively, you could downgrade your version of Python.

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[MaKi68]

Thanks for your reply.

I try to downgrade Python.

[MaKi68]

I've seen, that belchertown.py was changed yesterday. I'll try ;).