libreoffice-calc
Python reader and writer for .ods files (OpenDocument Spreadsheet, LibreOffice/OpenOffice Calc), with a numpy-inspired indexing API: sheet["A1"], sheet[0, 0], sheet["A1:B3"], plain Python slices, etc.
Libreoffice files generator programmatically with python and Libreoffice server instances
a tool to export invoice and receipt from libreoffice calc into pdf file