weectl database reconfigure

[Werner Krenn]

WeeWx 5.2.0:

I'm trying to convert a database from "US" to "METRICWX", but I'm getting this error message:

weectl database reconfigure --config=/etc/weewx/weewx8.conf --dry-run -y

weectl database reconfigure --config=/etc/weewx/weewx8.conf --dry-run -y
Using configuration file /etc/weewx/weewx8.conf
This is a dry run. Nothing will actually be done.
Copying database 'weewx_ecowitt_http_ws6210.sdb' to 'weewx_ecowitt_http_ws6210.sdb_new'
Units will be converted from the 'US' system to the 'METRICWX' system.
Traceback (most recent call last):
  File "/usr/share/weewx/weectl.py", line 75, in <module>
    main()
  File "/usr/share/weewx/weectl.py", line 67, in main
    namespace.func(namespace)
  File "/usr/share/weewx/weectllib/__init__.py", line 90, in dispatch
    namespace.action_func(config_dict, namespace)
  File "/usr/share/weewx/weectllib/database_cmd.py", line 371, in reconfigure_database
    weectllib.database_actions.reconfigure_database(config_dict,
  File "/usr/share/weewx/weectllib/database_actions.py", line 295, in reconfigure_database
    weewx.manager.reconfig(manager_dict['database_dict'],
  File "/usr/share/weewx/weewx/manager.py", line 715, in reconfig
    record_generator = weewx.units.GenWithConvert(old_archive.genBatchRecords(),
                       ^^^^^
UnboundLocalError: cannot access local variable 'weewx' where it is not associated with a value

How can I fix this error?

[Tom Keffer]

I was able to reproduce this. It's an interesting bug. If a schema is named, then the import of "weewx.schemas" is never done, so the package "weewx" will not be defined. Replace your copy of /usr/share/weewx/weewx/manager.py with the attached version and give it another try. 

-tk

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[Werner Krenn]

Tom

 thanks, it worked.

I have another question:

I'm using additional fields, e.g., "co2_Temp" with the group "group_temperature". To ensure this field is also converted, I'm adding these fields and their group assignments to "units.py".

Could this assignment also be entered into "extensions.py" so that the conversion is performed?

Werner

[Tom Keffer]

If you added the additional fields in extensions.py you should be OK. That file is imported before starting processing.

To view this discussion visit https://groups.google.com/d/msgid/weewx-user/a81e75d7-61ea-4e6d-888c-81ad4f21d73fn%40googlegroups.com.

[Graham Eddy]

stregthening tom’s words, it should be added to extensions.py rather than in addition to units.py.

units.py is part of weewx’s code base and subject to updates. extensions.py is the hook to allow custom changes to weewx code base and is not changed by weewx updates.

⊣GE⊢