Add xlsxwriter-based Excel generation scripts with openpyxl implementation

- Created create_excel_xlsxwriter.py and update_excel_xlsxwriter.py
- Uses openpyxl exclusively to preserve Excel formatting and formulas
- Updated server.js to use new xlsxwriter scripts for form submissions
- Maintains all original functionality while ensuring proper Excel file handling

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

venv/lib/python3.12/site-packages/xlsxwriter/app.py

@@ -0,0 +1,202 @@
+###############################################################################
+#
+# App - A class for writing the Excel XLSX App file.
+#
+# SPDX-License-Identifier: BSD-2-Clause
+#
+# Copyright (c) 2013-2025, John McNamara, jmcnamara@cpan.org
+#
+
+from typing import Dict, List, Tuple
+
+from . import xmlwriter
+
+
+class App(xmlwriter.XMLwriter):
+    """
+    A class for writing the Excel XLSX App file.
+
+
+    """
+
+    ###########################################################################
+    #
+    # Public API.
+    #
+    ###########################################################################
+
+    def __init__(self) -> None:
+        """
+        Constructor.
+
+        """
+
+        super().__init__()
+
+        self.part_names = []
+        self.heading_pairs = []
+        self.properties = {}
+        self.doc_security = 0
+
+    def _add_part_name(self, part_name: str) -> None:
+        # 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: Tuple[str, int]) -> None:
+        # 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: Dict[str, str]) -> None:
+        # Set the document properties.
+        self.properties = properties
+
+    ###########################################################################
+    #
+    # Private API.
+    #
+    ###########################################################################
+
+    def _assemble_xml_file(self) -> None:
+        # 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) -> None:
+        # 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) -> None:
+        # Write the <Application> element.
+        self._xml_data_element("Application", "Microsoft Excel")
+
+    def _write_doc_security(self) -> None:
+        # Write the <DocSecurity> element.
+        self._xml_data_element("DocSecurity", self.doc_security)
+
+    def _write_scale_crop(self) -> None:
+        # Write the <ScaleCrop> element.
+        self._xml_data_element("ScaleCrop", "false")
+
+    def _write_heading_pairs(self) -> None:
+        # 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) -> None:
+        # 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: str, vector_data: List[Tuple[str, int]]
+    ) -> None:
+        # 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: Tuple[str, int]) -> None:
+        # Write the <vt:*> elements such as <vt:lpstr> and <vt:if>.
+        self._xml_data_element(f"vt:{vt_data[0]}", vt_data[1])
+
+    def _write_company(self) -> None:
+        company = self.properties.get("company", "")
+
+        self._xml_data_element("Company", company)
+
+    def _write_manager(self) -> None:
+        # 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) -> None:
+        # Write the <LinksUpToDate> element.
+        self._xml_data_element("LinksUpToDate", "false")
+
+    def _write_shared_doc(self) -> None:
+        # Write the <SharedDoc> element.
+        self._xml_data_element("SharedDoc", "false")
+
+    def _write_hyperlink_base(self) -> None:
+        # 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) -> None:
+        # Write the <HyperlinksChanged> element.
+        self._xml_data_element("HyperlinksChanged", "false")
+
+    def _write_app_version(self) -> None:
+        # Write the <AppVersion> element.
+        self._xml_data_element("AppVersion", "12.0000")