matchms.importing.load_from_mzxml module

matchms.importing.load_from_mzxml.load_from_mzxml(filename: str | Path, ms_level: int = 2, metadata_harmonization: bool = True) → Generator[Spectrum, None, None][source]

Load spectrum(s) from mzml file.

This function will create ~matchms.Spectrum for every spectrum of desired ms_level found in a given MzXML file. For more extensive parsing options consider using the pyteomics package.

Example:

from matchms.importing import load_from_mzxml

file_mzxml = "testdata.mzxml"
spectra = list(load_from_mzml(file_mzxml))
Parameters:

  • filename – Filename for mzXML file to import.

  • ms_level – Specify which ms level to import. Default is 2.

  • metadata_harmonization (bool, optional) – Set to False if metadata harmonization to default keys is not desired. The default is True.