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Add xlsxwriter-based Excel generation scripts with openpyxl implementation

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- 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>
This commit is contained in:
andrei
2025-09-22 13:53:06 +00:00
commit 0e2e1bddba
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venv/lib/python3.12/site-packages/xlsxwriter/chart_pie.py Normal file
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###############################################################################
#
# ChartPie - A class for writing the Excel XLSX Pie charts.
#
# SPDX-License-Identifier: BSD-2-Clause
#
# Copyright (c) 2013-2025, John McNamara, jmcnamara@cpan.org
#
from warnings import warn
from . import chart
class ChartPie(chart.Chart):
"""
A class for writing the Excel XLSX Pie charts.
"""
###########################################################################
#
# Public API.
#
###########################################################################
def __init__(self) -> None:
"""
Constructor.
"""
super().__init__()
self.vary_data_color = 1
self.rotation = 0
# Set the available data label positions for this chart type.
self.label_position_default = "best_fit"
self.label_positions = {
"center": "ctr",
"inside_end": "inEnd",
"outside_end": "outEnd",
"best_fit": "bestFit",
}
def set_rotation(self, rotation: int) -> None:
"""
Set the Pie/Doughnut chart rotation: the angle of the first slice.
Args:
rotation: First segment angle: 0 <= rotation <= 360.
Returns:
Nothing.
"""
if rotation is None:
return
# Ensure the rotation is in Excel's range.
if rotation < 0 or rotation > 360:
warn(
f"Chart rotation '{rotation}' outside Excel range: 0 <= rotation <= 360"
)
return
self.rotation = int(rotation)
###########################################################################
#
# Private API.
#
###########################################################################
def _write_chart_type(self, args) -> None:
# Override the virtual superclass method with a chart specific method.
# Write the c:pieChart element.
self._write_pie_chart()
###########################################################################
#
# XML methods.
#
###########################################################################
def _write_pie_chart(self) -> None:
# Write the <c:pieChart> element. Over-ridden method to remove
# axis_id code since Pie charts don't require val and cat axes.
self._xml_start_tag("c:pieChart")
# Write the c:varyColors element.
self._write_vary_colors()
# Write the series elements.
for data in self.series:
self._write_ser(data)
# Write the c:firstSliceAng element.
self._write_first_slice_ang()
self._xml_end_tag("c:pieChart")
def _write_plot_area(self) -> None:
# Over-ridden method to remove the cat_axis() and val_axis() code
# since Pie charts don't require those axes.
#
# Write the <c:plotArea> element.
self._xml_start_tag("c:plotArea")
# Write the c:layout element.
self._write_layout(self.plotarea.get("layout"), "plot")
# Write the subclass chart type element.
self._write_chart_type(None)
# Configure a combined chart if present.
second_chart = self.combined
if second_chart:
# Secondary axis has unique id otherwise use same as primary.
if second_chart.is_secondary:
second_chart.id = 1000 + self.id
else:
second_chart.id = self.id
# Share the same filehandle for writing.
second_chart.fh = self.fh
# Share series index with primary chart.
second_chart.series_index = self.series_index
# Write the subclass chart type elements for combined chart.
# pylint: disable-next=protected-access
second_chart._write_chart_type(None)
# Write the c:spPr element for the plotarea formatting.
self._write_sp_pr(self.plotarea)
self._xml_end_tag("c:plotArea")
def _write_legend(self) -> None:
# Over-ridden method to add <c:txPr> to legend.
# Write the <c:legend> element.
legend = self.legend
position = legend.get("position", "right")
font = legend.get("font")
delete_series = []
overlay = 0
if legend.get("delete_series") and isinstance(legend["delete_series"], list):
delete_series = legend["delete_series"]
if position.startswith("overlay_"):
position = position.replace("overlay_", "")
overlay = 1
allowed = {
"right": "r",
"left": "l",
"top": "t",
"bottom": "b",
"top_right": "tr",
}
if position == "none":
return
if position not in allowed:
return
position = allowed[position]
self._xml_start_tag("c:legend")
# Write the c:legendPos element.
self._write_legend_pos(position)
# Remove series labels from the legend.
for index in delete_series:
# Write the c:legendEntry element.
self._write_legend_entry(index)
# Write the c:layout element.
self._write_layout(legend.get("layout"), "legend")
# Write the c:overlay element.
if overlay:
self._write_overlay()
# Write the c:spPr element.
self._write_sp_pr(legend)
# Write the c:txPr element. Over-ridden.
self._write_tx_pr_legend(None, font)
self._xml_end_tag("c:legend")
def _write_tx_pr_legend(self, horiz, font) -> None:
# Write the <c:txPr> element for legends.
if font and font.get("rotation"):
rotation = font["rotation"]
else:
rotation = None
self._xml_start_tag("c:txPr")
# Write the a:bodyPr element.
self._write_a_body_pr(rotation, horiz)
# Write the a:lstStyle element.
self._write_a_lst_style()
# Write the a:p element.
self._write_a_p_legend(font)
self._xml_end_tag("c:txPr")
def _write_a_p_legend(self, font) -> None:
# Write the <a:p> element for legends.
self._xml_start_tag("a:p")
# Write the a:pPr element.
self._write_a_p_pr_legend(font)
# Write the a:endParaRPr element.
self._write_a_end_para_rpr()
self._xml_end_tag("a:p")
def _write_a_p_pr_legend(self, font) -> None:
# Write the <a:pPr> element for legends.
attributes = [("rtl", 0)]
self._xml_start_tag("a:pPr", attributes)
# Write the a:defRPr element.
self._write_a_def_rpr(font)
self._xml_end_tag("a:pPr")
def _write_vary_colors(self) -> None:
# Write the <c:varyColors> element.
attributes = [("val", 1)]
self._xml_empty_tag("c:varyColors", attributes)
def _write_first_slice_ang(self) -> None:
# Write the <c:firstSliceAng> element.
attributes = [("val", self.rotation)]
self._xml_empty_tag("c:firstSliceAng", attributes)
def _write_show_leader_lines(self) -> None:
# Write the <c:showLeaderLines> element.
#
# This is for Pie/Doughnut charts. Other chart types only supported
# leader lines after Excel 2015 via an extension element.
attributes = [("val", 1)]
self._xml_empty_tag("c:showLeaderLines", attributes)