Current File : //usr/local/lib/python3.6/site-packages/xlsxwriter/app.py |
###############################################################################
#
# App - A class for writing the Excel XLSX App file.
#
# SPDX-License-Identifier: BSD-2-Clause
# Copyright 2013-2023, John McNamara, jmcnamara@cpan.org
#
# Package imports.
from . import xmlwriter
class App(xmlwriter.XMLwriter):
"""
A class for writing the Excel XLSX App file.
"""
###########################################################################
#
# Public API.
#
###########################################################################
def __init__(self):
"""
Constructor.
"""
super(App, self).__init__()
self.part_names = []
self.heading_pairs = []
self.properties = {}
self.doc_security = 0
def _add_part_name(self, part_name):
# Add the name of a workbook Part such as 'Sheet1' or 'Print_Titles'.
self.part_names.append(part_name)
def _add_heading_pair(self, heading_pair):
# Add the name of a workbook Heading Pair such as 'Worksheets',
# 'Charts' or 'Named Ranges'.
# Ignore empty pairs such as chartsheets.
if not heading_pair[1]:
return
self.heading_pairs.append(("lpstr", heading_pair[0]))
self.heading_pairs.append(("i4", heading_pair[1]))
def _set_properties(self, properties):
# Set the document properties.
self.properties = properties
###########################################################################
#
# Private API.
#
###########################################################################
def _assemble_xml_file(self):
# Assemble and write the XML file.
# Write the XML declaration.
self._xml_declaration()
self._write_properties()
self._write_application()
self._write_doc_security()
self._write_scale_crop()
self._write_heading_pairs()
self._write_titles_of_parts()
self._write_manager()
self._write_company()
self._write_links_up_to_date()
self._write_shared_doc()
self._write_hyperlink_base()
self._write_hyperlinks_changed()
self._write_app_version()
self._xml_end_tag("Properties")
# Close the file.
self._xml_close()
###########################################################################
#
# XML methods.
#
###########################################################################
def _write_properties(self):
# Write the <Properties> element.
schema = "http://schemas.openxmlformats.org/officeDocument/2006/"
xmlns = schema + "extended-properties"
xmlns_vt = schema + "docPropsVTypes"
attributes = [
("xmlns", xmlns),
("xmlns:vt", xmlns_vt),
]
self._xml_start_tag("Properties", attributes)
def _write_application(self):
# Write the <Application> element.
self._xml_data_element("Application", "Microsoft Excel")
def _write_doc_security(self):
# Write the <DocSecurity> element.
self._xml_data_element("DocSecurity", self.doc_security)
def _write_scale_crop(self):
# Write the <ScaleCrop> element.
self._xml_data_element("ScaleCrop", "false")
def _write_heading_pairs(self):
# Write the <HeadingPairs> element.
self._xml_start_tag("HeadingPairs")
self._write_vt_vector("variant", self.heading_pairs)
self._xml_end_tag("HeadingPairs")
def _write_titles_of_parts(self):
# Write the <TitlesOfParts> element.
parts_data = []
self._xml_start_tag("TitlesOfParts")
for part_name in self.part_names:
parts_data.append(("lpstr", part_name))
self._write_vt_vector("lpstr", parts_data)
self._xml_end_tag("TitlesOfParts")
def _write_vt_vector(self, base_type, vector_data):
# Write the <vt:vector> element.
attributes = [
("size", len(vector_data)),
("baseType", base_type),
]
self._xml_start_tag("vt:vector", attributes)
for vt_data in vector_data:
if base_type == "variant":
self._xml_start_tag("vt:variant")
self._write_vt_data(vt_data)
if base_type == "variant":
self._xml_end_tag("vt:variant")
self._xml_end_tag("vt:vector")
def _write_vt_data(self, vt_data):
# Write the <vt:*> elements such as <vt:lpstr> and <vt:if>.
self._xml_data_element("vt:%s" % vt_data[0], vt_data[1])
def _write_company(self):
company = self.properties.get("company", "")
self._xml_data_element("Company", company)
def _write_manager(self):
# Write the <Manager> element.
if "manager" not in self.properties:
return
self._xml_data_element("Manager", self.properties["manager"])
def _write_links_up_to_date(self):
# Write the <LinksUpToDate> element.
self._xml_data_element("LinksUpToDate", "false")
def _write_shared_doc(self):
# Write the <SharedDoc> element.
self._xml_data_element("SharedDoc", "false")
def _write_hyperlink_base(self):
# Write the <HyperlinkBase> element.
hyperlink_base = self.properties.get("hyperlink_base")
if hyperlink_base is None:
return
self._xml_data_element("HyperlinkBase", hyperlink_base)
def _write_hyperlinks_changed(self):
# Write the <HyperlinksChanged> element.
self._xml_data_element("HyperlinksChanged", "false")
def _write_app_version(self):
# Write the <AppVersion> element.
self._xml_data_element("AppVersion", "12.0000")