requirements.txt

# iLoveExcel - Core Runtime Dependencies
# This file contains the minimal dependencies needed for CLI + Tkinter GUI
# For additional GUI backends, install extras: pip install iLoveExcel[gui_pysimplegui]

# Core data processing
pandas>=2.0.0,<3.0.0

# Excel file support
openpyxl>=3.1.0,<4.0.0
xlsxwriter>=3.1.0,<4.0.0

# CLI framework
click>=8.1.0,<9.0.0

# Progress bars
tqdm>=4.65.0,<5.0.0

# Note: Tkinter is included with Python standard library
# If Tkinter is missing on Linux, install system package:
#   Ubuntu/Debian: sudo apt-get install python3-tk
#   Fedora/RHEL:   sudo dnf install python3-tkinter
#   Arch Linux:    sudo pacman -S tk

# Optional extras (install separately):
# - PySimpleGUI GUI: pip install iLoveExcel[gui_pysimplegui]
# - Streamlit web UI: pip install iLoveExcel[gui_streamlit]
# - All extras: pip install iLoveExcel[all]