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rich_value_rel.py2.19 kB
############################################################################### # # RichValueRel - A class for writing the Excel XLSX richValueRel.xml file. # # SPDX-License-Identifier: BSD-2-Clause # # Copyright (c) 2013-2025, John McNamara, jmcnamara@cpan.org # # Package imports. from . import xmlwriter class RichValueRel(xmlwriter.XMLwriter): """ A class for writing the Excel XLSX richValueRel.xml file. """ ########################################################################### # # Public API. # ########################################################################### def __init__(self): """ Constructor. """ super().__init__() self.num_embedded_images = 0 ########################################################################### # # Private API. # ########################################################################### def _assemble_xml_file(self): # Assemble and write the XML file. # Write the XML declaration. self._xml_declaration() # Write the richValueRels element. self._write_rich_value_rels() self._xml_end_tag("richValueRels") # Close the file. self._xml_close() ########################################################################### # # XML methods. # ########################################################################### def _write_rich_value_rels(self): # Write the <richValueRels> element. xmlns = "http://schemas.microsoft.com/office/spreadsheetml/2022/richvaluerel" xmlns_r = "http://schemas.openxmlformats.org/officeDocument/2006/relationships" attributes = [ ("xmlns", xmlns), ("xmlns:r", xmlns_r), ] self._xml_start_tag("richValueRels", attributes) # Write the rel elements. for index in range(self.num_embedded_images): self._write_rel(index + 1) def _write_rel(self, index): # Write the <rel> element. r_id = f"rId{index}" attributes = [("r:id", r_id)] self._xml_empty_tag("rel", attributes)

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