python-xlsx

Create and edit Excel workbooks with formulas and formatting from Python.

Updated Aug 27, 2026
One-click install
npx skills add https://github.com/LounisBou/claude-code --skill python-xlsx
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: python-xlsx
Source: https://github.com/LounisBou/claude-code/tree/main/skills-available/python/python-xlsx
Command: npx skills add https://github.com/LounisBou/claude-code --skill python-xlsx

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Creating and editing Excel workbooks (.xlsx) from Python code can be tedious and error-prone, especially when handling formulas, formatting, and charts.

Core Features & Use Cases

  • Openpyxl and XlsxWriter integration for reading, writing, and updating Excel files.
  • Preserve formulas and formatting when updating existing templates.
  • Generate reports and dashboards from Python-driven data pipelines.

Quick Start

Create a new Excel workbook named report.xlsx and add a worksheet with sample data using Python.

Frequently Asked Questions about python-xlsx

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I create and edit Excel xlsx files in Python without losing existing formulas?

To edit Excel xlsx files in Python while preserving formulas, use openpyxl integration to read and update existing workbook templates. It enforces Excel-compatible data handling so formulas and formatting remain intact when applying programmatic updates.

What is the best way to automate Excel report generation from Python data pipelines?

Automating Excel report generation from Python data pipelines involves using xlsxwriter and openpyxl to programmatically populate templated spreadsheets with data, apply formatting, and insert charts for data-driven reporting outputs.

Does openpyxl or xlsxwriter support adding charts and formatting to Excel workbooks?

Yes, both openpyxl and xlsxwriter support adding charts and formatting to Excel workbooks. They enable programmatic management of visual elements, enforcing Excel-compatible data handling for generating reports and dashboards from Python code.

Can I update existing Excel templates with new data using Python without breaking the layout?

You can update existing Excel templates with Python by leveraging openpyxl to load and modify saved xlsx files. The process preserves formulas and formatting when updating, ensuring the original template layout and logic remain functional.

Why does my Python script overwrite Excel formulas instead of calculating them?

Python scripts overwrite Excel formulas when writing raw values instead of formula strings. Using openpyxl to preserve formulas when updating existing xlsx templates ensures Excel-compatible data handling keeps formulas intact for spreadsheet applications to calculate.

Do I need to install openpyxl or xlsxwriter to generate xlsx files in Python?

You need openpyxl or xlsxwriter to generate xlsx files in Python because they provide the integration required for reading, writing, and updating Excel workbooks with formulas, formatting, and charts programmatically.