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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_scatter.py Normal file
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###############################################################################
#
# ChartScatter - A class for writing the Excel XLSX Scatter charts.
#
# SPDX-License-Identifier: BSD-2-Clause
#
# Copyright (c) 2013-2025, John McNamara, jmcnamara@cpan.org
#
from typing import Any, Dict, Optional
from warnings import warn
from . import chart
class ChartScatter(chart.Chart):
"""
A class for writing the Excel XLSX Scatter charts.
"""
###########################################################################
#
# Public API.
#
###########################################################################
def __init__(self, options: Optional[Dict[str, Any]] = None) -> None:
"""
Constructor.
"""
super().__init__()
if options is None:
options = {}
self.subtype = options.get("subtype")
if not self.subtype:
self.subtype = "marker_only"
self.cross_between = "midCat"
self.horiz_val_axis = 0
self.val_axis_position = "b"
self.smooth_allowed = True
self.requires_category = True
# Set the available data label positions for this chart type.
self.label_position_default = "right"
self.label_positions = {
"center": "ctr",
"right": "r",
"left": "l",
"above": "t",
"below": "b",
# For backward compatibility.
"top": "t",
"bottom": "b",
}
def combine(self, chart: Optional[chart.Chart] = None) -> None:
# pylint: disable=redefined-outer-name
"""
Create a combination chart with a secondary chart.
Note: Override parent method to add a warning.
Args:
chart: The secondary chart to combine with the primary chart.
Returns:
Nothing.
"""
if chart is None:
return
warn(
"Combined chart not currently supported with scatter chart "
"as the primary chart"
)
###########################################################################
#
# Private API.
#
###########################################################################
def _write_chart_type(self, args) -> None:
# Override the virtual superclass method with a chart specific method.
# Write the c:scatterChart element.
self._write_scatter_chart(args)
###########################################################################
#
# XML methods.
#
###########################################################################
def _write_scatter_chart(self, args) -> None:
# Write the <c:scatterChart> element.
if args["primary_axes"]:
series = self._get_primary_axes_series()
else:
series = self._get_secondary_axes_series()
if not series:
return
style = "lineMarker"
subtype = self.subtype
# Set the user defined chart subtype.
if subtype == "marker_only":
style = "lineMarker"
if subtype == "straight_with_markers":
style = "lineMarker"
if subtype == "straight":
style = "lineMarker"
self.default_marker = {"type": "none"}
if subtype == "smooth_with_markers":
style = "smoothMarker"
if subtype == "smooth":
style = "smoothMarker"
self.default_marker = {"type": "none"}
# Add default formatting to the series data.
self._modify_series_formatting()
self._xml_start_tag("c:scatterChart")
# Write the c:scatterStyle element.
self._write_scatter_style(style)
# Write the series elements.
for data in series:
self._write_ser(data)
# Write the c:axId elements
self._write_axis_ids(args)
self._xml_end_tag("c:scatterChart")
def _write_ser(self, series) -> None:
# Over-ridden to write c:xVal/c:yVal instead of c:cat/c:val elements.
# Write the <c:ser> element.
index = self.series_index
self.series_index += 1
self._xml_start_tag("c:ser")
# Write the c:idx element.
self._write_idx(index)
# Write the c:order element.
self._write_order(index)
# Write the series name.
self._write_series_name(series)
# Write the c:spPr element.
self._write_sp_pr(series)
# Write the c:marker element.
self._write_marker(series.get("marker"))
# Write the c:dPt element.
self._write_d_pt(series.get("points"))
# Write the c:dLbls element.
self._write_d_lbls(series.get("labels"))
# Write the c:trendline element.
self._write_trendline(series.get("trendline"))
# Write the c:errBars element.
self._write_error_bars(series.get("error_bars"))
# Write the c:xVal element.
self._write_x_val(series)
# Write the c:yVal element.
self._write_y_val(series)
# Write the c:smooth element.
if "smooth" in self.subtype and series["smooth"] is None:
# Default is on for smooth scatter charts.
self._write_c_smooth(True)
else:
self._write_c_smooth(series["smooth"])
self._xml_end_tag("c:ser")
def _write_plot_area(self) -> None:
# Over-ridden to have 2 valAx elements for scatter charts instead
# of catAx/valAx.
#
# 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 elements for primary and secondary axes.
self._write_chart_type({"primary_axes": 1})
self._write_chart_type({"primary_axes": 0})
# Write c:catAx and c:valAx elements for series using primary axes.
self._write_cat_val_axis(
{
"x_axis": self.x_axis,
"y_axis": self.y_axis,
"axis_ids": self.axis_ids,
"position": "b",
}
)
tmp = self.horiz_val_axis
self.horiz_val_axis = 1
self._write_val_axis(
{
"x_axis": self.x_axis,
"y_axis": self.y_axis,
"axis_ids": self.axis_ids,
"position": "l",
}
)
self.horiz_val_axis = tmp
# Write c:valAx and c:catAx elements for series using secondary axes
self._write_cat_val_axis(
{
"x_axis": self.x2_axis,
"y_axis": self.y2_axis,
"axis_ids": self.axis2_ids,
"position": "b",
}
)
self.horiz_val_axis = 1
self._write_val_axis(
{
"x_axis": self.x2_axis,
"y_axis": self.y2_axis,
"axis_ids": self.axis2_ids,
"position": "l",
}
)
# Write the c:spPr element for the plotarea formatting.
self._write_sp_pr(self.plotarea)
self._xml_end_tag("c:plotArea")
def _write_x_val(self, series) -> None:
# Write the <c:xVal> element.
formula = series.get("categories")
data_id = series.get("cat_data_id")
data = self.formula_data[data_id]
self._xml_start_tag("c:xVal")
# Check the type of cached data.
data_type = self._get_data_type(data)
if data_type == "str":
# Write the c:numRef element.
self._write_str_ref(formula, data, data_type)
else:
# Write the c:numRef element.
self._write_num_ref(formula, data, data_type)
self._xml_end_tag("c:xVal")
def _write_y_val(self, series) -> None:
# Write the <c:yVal> element.
formula = series.get("values")
data_id = series.get("val_data_id")
data = self.formula_data[data_id]
self._xml_start_tag("c:yVal")
# Unlike Cat axes data should only be numeric.
# Write the c:numRef element.
self._write_num_ref(formula, data, "num")
self._xml_end_tag("c:yVal")
def _write_scatter_style(self, val) -> None:
# Write the <c:scatterStyle> element.
attributes = [("val", val)]
self._xml_empty_tag("c:scatterStyle", attributes)
def _modify_series_formatting(self) -> None:
# Add default formatting to the series data unless it has already been
# specified by the user.
subtype = self.subtype
# The default scatter style "markers only" requires a line type.
if subtype == "marker_only":
# Go through each series and define default values.
for series in self.series:
# Set a line type unless there is already a user defined type.
if not series["line"]["defined"]:
series["line"] = {
"width": 2.25,
"none": 1,
"defined": 1,
}
def _write_d_pt_point(self, index, point) -> None:
# Write an individual <c:dPt> element. Override the parent method to
# add markers.
self._xml_start_tag("c:dPt")
# Write the c:idx element.
self._write_idx(index)
self._xml_start_tag("c:marker")
# Write the c:spPr element.
self._write_sp_pr(point)
self._xml_end_tag("c:marker")
self._xml_end_tag("c:dPt")