def _write_app_file(self):
# Write the app.xml file.
properties = self.workbook.doc_properties
app = App()
# Add the Worksheet heading pairs.
app._add_heading_pair(['Worksheets', self.worksheet_count])
# Add the Chartsheet heading pairs.
app._add_heading_pair(['Charts', self.chartsheet_count])
# Add the Worksheet parts.
for worksheet in self.workbook.worksheets():
if worksheet.is_chartsheet:
continue
app._add_part_name(worksheet.name)
# Add the Chartsheet parts.
for worksheet in self.workbook.worksheets():
if not worksheet.is_chartsheet:
continue
app._add_part_name(worksheet.name)
# Add the Named Range heading pairs.
if self.named_ranges:
app._add_heading_pair(['Named Ranges', len(self.named_ranges)])
# Add the Named Ranges parts.
for named_range in self.named_ranges:
app._add_part_name(named_range)
app._set_properties(properties)
app._set_xml_writer(self._filename('docProps/app.xml'))
app._assemble_xml_file()
