0e2e1bddba
- 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>
147 lines
3.8 KiB
Python
147 lines
3.8 KiB
Python
###############################################################################
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#
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# ChartLine - A class for writing the Excel XLSX Line charts.
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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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from typing import Any, Dict, Optional
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from . import chart
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class ChartLine(chart.Chart):
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"""
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A class for writing the Excel XLSX Line charts.
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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, options: Optional[Dict[str, Any]] = None) -> None:
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"""
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Constructor.
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"""
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super().__init__()
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if options is None:
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options = {}
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self.subtype = options.get("subtype")
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if not self.subtype:
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self.subtype = "standard"
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self.default_marker = {"type": "none"}
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self.smooth_allowed = True
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# Override and reset the default axis values.
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if self.subtype == "percent_stacked":
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self.y_axis["defaults"]["num_format"] = "0%"
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# Set the available data label positions for this chart type.
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self.label_position_default = "right"
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self.label_positions = {
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"center": "ctr",
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"right": "r",
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"left": "l",
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"above": "t",
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"below": "b",
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# For backward compatibility.
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"top": "t",
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"bottom": "b",
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}
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self.set_y_axis({})
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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 _write_chart_type(self, args) -> None:
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# Override the virtual superclass method with a chart specific method.
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# Write the c:lineChart element.
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self._write_line_chart(args)
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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_line_chart(self, args) -> None:
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# Write the <c:lineChart> element.
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if args["primary_axes"]:
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series = self._get_primary_axes_series()
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else:
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series = self._get_secondary_axes_series()
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if not series:
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return
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subtype = self.subtype
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if subtype == "percent_stacked":
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subtype = "percentStacked"
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self._xml_start_tag("c:lineChart")
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# Write the c:grouping element.
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self._write_grouping(subtype)
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# Write the series elements.
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for data in series:
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self._write_ser(data)
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# Write the c:dropLines element.
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self._write_drop_lines()
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# Write the c:hiLowLines element.
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self._write_hi_low_lines()
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# Write the c:upDownBars element.
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self._write_up_down_bars()
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# Write the c:marker element.
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self._write_marker_value()
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# Write the c:axId elements
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self._write_axis_ids(args)
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self._xml_end_tag("c:lineChart")
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def _write_d_pt_point(self, index, point) -> None:
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# Write an individual <c:dPt> element. Override the parent method to
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# add markers.
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self._xml_start_tag("c:dPt")
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# Write the c:idx element.
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self._write_idx(index)
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self._xml_start_tag("c:marker")
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# Write the c:spPr element.
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self._write_sp_pr(point)
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self._xml_end_tag("c:marker")
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self._xml_end_tag("c:dPt")
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def _write_marker_value(self) -> None:
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# Write the <c:marker> element without a sub-element.
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attributes = [("val", 1)]
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self._xml_empty_tag("c:marker", attributes)
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