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