def test_wavelength_range_cf_roundtrip():
"""Test the wavelength range object roundtrip to cf."""
from satpy.dataset.dataid import WavelengthRange
wr = WavelengthRange(1, 2, 3)
assert WavelengthRange.from_cf(wr.to_cf()) == wr
assert WavelengthRange.from_cf([str(item) for item in wr]) == wr
def _assign_ds_info(self, var_name, val):
"""Assign ds_info."""
ds_info = dict(val.attrs)
ds_info['file_type'] = self.filetype_info['file_type']
ds_info['name'] = ds_info['nc_store_name'] = var_name
if 'original_name' in ds_info:
ds_info['name'] = ds_info['original_name']
elif self._numeric_name_prefix and var_name.startswith(self._numeric_name_prefix):
ds_info['name'] = var_name.replace(self._numeric_name_prefix, '')
try:
ds_info['wavelength'] = WavelengthRange.from_cf(ds_info['wavelength'])
except KeyError:
pass
return ds_info
def _dynamic_datasets(self):
"""Add information of dynamic datasets."""
nc = xr.open_dataset(self.filename, engine=self.engine)
# get dynamic variables known to this file (that we created)
for var_name, val in nc.data_vars.items():
ds_info = dict(val.attrs)
ds_info['file_type'] = self.filetype_info['file_type']
ds_info['name'] = var_name
try:
ds_info['wavelength'] = WavelengthRange.from_cf(
ds_info['wavelength'])
except KeyError:
pass
self.fix_modifier_attr(ds_info)
yield True, ds_info