Issue/pv inputs

[dfulu]

Pull Request

Description

This pull request grew unfortunately organically. But in essence, boils down to

• Update functions to load PV training data to be able to use the new ml_id which will be consistent across training and database data. I wanted to move aspects like infilling and filtering out of the main loading function to make this more composable
  • Refactoring the loading function loading had the knock on affect of needing to write new datapipe components to do infilling, and fix/refactor a couple of datapipes that do filtering
• Remove the OSGB coordinates from PV data - only use lon-lat from now on
  • This had a big knock on affect that meant I had to strip OSGB from other components of the library
• General refactor - the pull request had me messing with a lot of the library in order to fix knock on effects of my changes. I've also tried to clean up some of the code I touched in the hopes of making it easier to read, and/or more maintainable.

major

Checklist:

• [x] My code follows OCF's coding style guidelines
• [x] I have performed a self-review of my own code
• [x] I have made corresponding changes to the documentation
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] I have checked my code and corrected any misspellings

[codecov[bot]]

Codecov Report

Merging #225 (19d0816) into main (4a7c7df) will increase coverage by 0.97%. The diff coverage is 86.05%.

@@            Coverage Diff             @@
##             main     #225      +/-   ##
==========================================
+ Coverage   81.47%   82.45%   +0.97%     
==========================================
  Files         132      125       -7     
  Lines        5690     5402     -288     
==========================================
- Hits         4636     4454     -182     
+ Misses       1054      948     -106     

Files Changed	Coverage Δ
ocf_datapipes/convert/numpy/batch/pv.py	100.00% <ø> (ø)
ocf_datapipes/select/__init__.py	100.00% <ø> (ø)
..._datapipes/select/select_pv_systems_on_capacity.py	0.00% <0.00%> (ø)
ocf_datapipes/training/example/gsp_national.py	100.00% <ø> (ø)
ocf_datapipes/training/pseudo_irradience.py	75.00% <ø> (ø)
ocf_datapipes/training/pvnet.py	82.02% <ø> (ø)
ocf_datapipes/transform/numpy/__init__.py	100.00% <ø> (ø)
ocf_datapipes/transform/xarray/create_sun_image.py	85.71% <25.00%> (+4.58%)	:arrow_up:
ocf_datapipes/convert/numpy/pv.py	81.81% <50.00%> (ø)
ocf_datapipes/load/pv/utils.py	92.59% <50.00%> (-2.15%)	:arrow_down:
... and 27 more

... and 2 files with indirect coverage changes

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