Add recipe for metadata changes in Python

recipes/change-metadata.cmds.py

+import uuid
+from netCDF4 import Dataset
+
+ds = Dataset("...", "r+")
+
+ds.tracking_id = f'hdl:21.14100/{str(uuid.uuid4())}'
+
+ds.realization_index=X
+ds.initialization_index=1
+ds.variant_label="rXi1p1f1"
+
+ds.experiment_id="ssp119"
+ds.experiment="low-end scenario reaching 1.9 W m-2, based on SSP1"
+ds.further_info_url="https://furtherinfo.es-doc.org/CMIP6.EC-Earth-Consortium.EC-Earth3-Veg.ssp119.none.rXi1p1f1"
+
+ds.experiment_id="ssp126"
+ds.experiment="update of RCP2.6 based on SSP1"
+ds.further_info_url="https://furtherinfo.es-doc.org/CMIP6.EC-Earth-Consortium.EC-Earth3-Veg.ssp126.none.rXi1p1f1"
+
+ds.experiment_id="ssp245"
+ds.experiment="update of RCP4.5 based on SSP2"
+ds.further_info_url="https://furtherinfo.es-doc.org/CMIP6.EC-Earth-Consortium.EC-Earth3-Veg.ssp245.none.rXi1p1f1"
+
+ds.experiment_id="ssp370"
+ds.experiment="gap-filling scenario reaching 7.0 based on SSP3"
+ds.further_info_url="https://furtherinfo.es-doc.org/CMIP6.EC-Earth-Consortium.EC-Earth3-Veg.ssp370.none.rXi1p1f1"
+
+ds.experiment_id="ssp585"
+ds.experiment="update of RCP8.5 based on SSP5"
+ds.further_info_url="https://furtherinfo.es-doc.org/CMIP6.EC-Earth-Consortium.EC-Earth3-Veg.ssp585.none.rXi1p1f1"
+
+ds.close()
+