Source code for matchms.filtering.make_ionmode_lowercase

from ..typing import SpectrumType


[docs]def make_ionmode_lowercase(spectrum_in: SpectrumType) -> SpectrumType: """Convert entry in field "ionmode" to lower case.""" if spectrum_in is None: return None spectrum = spectrum_in.clone() # if the ionmode key exists in the metadata, lowercase its value if spectrum.get("ionmode") is not None: spectrum.set("ionmode", spectrum.get("ionmode").lower()) return spectrum