Fix nwp prepare

[ninahakansson]

Be smarter when constructing the NWP files for PPS. Only include fields from the requirement file. Also don't use the name of fields as that can be slightly modified (Height => height).

• [ ] Closes #xxxx
• [x] Tests added
• [x] Tests passed: Passes pytest nwcsafpps_runner
• [X] Passes flake8 nwcsafpps_runner
• [ ] Fully documented

[codecov[bot]]

Codecov Report

Merging #52 (bea4f0c) into main (d1ed092) will increase coverage by 7.94%. The diff coverage is 94.73%.

@@            Coverage Diff             @@
##             main      #52      +/-   ##
==========================================
+ Coverage   58.41%   66.36%   +7.94%     
==========================================
  Files          14       15       +1     
  Lines        1960     2066     +106     
  Branches      248      323      +75     
==========================================
+ Hits         1145     1371     +226     
+ Misses        793      656     -137     
- Partials       22       39      +17     

Flag	Coverage Δ
unittests	66.36% <94.73%> (+7.94%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
nwcsafpps_runner/tests/test_nwp_prepare.py	94.66% <94.66%> (ø)
nwcsafpps_runner/prepare_nwp.py	71.13% <94.82%> (+71.13%)	:arrow_up:
nwcsafpps_runner/tests/test_utils.py	100.00% <0.00%> (ø)
nwcsafpps_runner/publish_and_listen.py	0.00% <0.00%> (ø)
nwcsafpps_runner/utils.py	37.10% <0.00%> (+3.46%)	:arrow_up:

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[adybbroe]

Is it ready for review @ninahakansson ? I see the test coverage went down a bit?

[ninahakansson]

I fixed most of the comments.

[adybbroe]

@TAlonglong Could you have a quick look as well. I am quite happy and ready to merge now. Once we understand the failed tests above

[adybbroe]

@ninahakansson https://conda-forge.org/docs/user/announcements.html#dropping-python-3-7 Time to drop 3.7 support? Otherwise we need to find another channel to get Python 3.7