# Core data processing
pandas==2.3.0
numpy==2.2.6
scipy==1.16.0
statsmodels==0.14.4

# Excel/document parsing
openpyxl==3.1.5
python-docx==1.2.0
chardet==5.2.0

# Visualization
plotly==5.24.1
matplotlib==3.9.3
kaleido==0.2.1
networkx==3.5

# Database connectivity
SQLAlchemy==2.0.47

# HTTP / API
requests==2.32.5

# Utilities
tqdm==4.67.1

# Testing
pytest==8.3.0
pytest-cov==5.0.0

# Platform-specific (install as needed)
# Windows: pip install pywin32==306
# macOS:   pip install xlwings==0.33.0
# Legacy:  pip install xlrd==2.0.1

# Database drivers (install as needed)
# MySQL:      pip install pymysql==1.1.1
# PostgreSQL: pip install psycopg2-binary==2.9.9
# SQL Server: pip install pymssql==2.3.1
