def get_odf_spreadsheet(sheets):
"""Creates a spreadsheet from a dictionary sheets of
dictionary entries sheetname -> nested list of rows"""
doc = OpenDocumentSpreadsheet()
spreadsheet = doc.spreadsheet
for sheet_name, list_rows in sheets.iteritems():
sheet = Table()
spreadsheet.addElement(sheet)
sheet.setAttribute("name", sheet_name)
for list_row in list_rows:
table_row = TableRow()
for cell_content in list_row:
vtype = valuetype(cell_content)
if vtype == "boolean":
cell_content = ("True" if cell_content else "False")
vtype = "string"
elif vtype == "string":
cell_content = unicodedata.normalize(
'NFKD',
unicode(cell_content)).encode('ascii', 'ignore')
table_cell = TableCell(valuetype=vtype, value=cell_content)
if vtype == "string":
s = str(cell_content)
table_cell.addElement(P(text=s))
table_row.addElement(table_cell)
sheet.addElement(table_row)
st = StringIO()
doc.write(st)
return st.getvalue()
