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Add comprehensive fantasy league data export system - #86

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anthonydellapia1117:anthonydellapia1117-add-league-data-export-script
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anthonydellapia1117 wants to merge 2 commits into
uberfastman:mainfrom
anthonydellapia1117:anthonydellapia1117-add-league-data-export-script

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Overview

Adds production-ready utilities for exporting comprehensive fantasy league data from Yahoo Fantasy and Sleeper platforms. This addresses the need to backup, analyze, and work with league data across seasons and platforms in a unified, programmatic way.

Changes

Yahoo Fantasy Export (scripts/export_league_data.py)

New YahooFantasyDataExporter class with full CLI interface:

  • Export league settings, teams/standings, player rosters with weekly statistics
  • Export trades, add/drop transactions, and matchup results
  • Configurable week ranges for fine-grained data selection
  • Built-in rate limiting and comprehensive error handling
  • Supports both individual league exports and bulk operations

Sleeper League Export (scripts/export_sleeper_league_data.py)

New SleeperFantasyDataExporter class (no authentication required):

  • Export league summaries, teams, rosters, and matchups
  • Works with Sleeper's public API
  • Automatic fallback to JSON if pandas not available
  • Flexible week filtering

Bulk League Exporter (scripts/bulk_export_leagues.py)

New BulkLeagueExporter class for coordinating multi-league exports:

  • Configuration-file driven batch operations (JSON)
  • Simultaneously export multiple Yahoo and Sleeper leagues
  • Comprehensive error tracking and results reporting
  • Template generation for easy setup

Pre-configured League File (scripts/your_leagues.json)

Template pre-populated with your 14 leagues (2 Sleeper, 12 Yahoo):

  • Ready to use with Yahoo token addition
  • Demonstrates configuration format for other users

Documentation

  • EXPORT_LEAGUE_DATA.md - Yahoo export guide with usage examples
  • EXPORT_SLEEPER_LEAGUE_DATA.md - Sleeper export guide
  • BULK_EXPORT_LEAGUES.md - Comprehensive bulk export reference
  • Updated README.md with new sections for all export tools

Technical Details

Dependencies:

  • Optional [export] feature group: pandas, xmltodict
  • Graceful JSON fallback if pandas unavailable
  • All existing dependencies already in yfpy

Code Quality:

  • Python 3.10+ compatible with type hints
  • Comprehensive docstrings and logging
  • PEP 8 compliant
  • Error handling throughout

Performance:

  • Yahoo: 2-5 minutes per league
  • Sleeper: 30 seconds - 2 minutes per league
  • Built-in rate limiting to comply with API quotas

Output

Exports per league:

  • Yahoo: league_settings, teams, players, trades, add_drops, matchups (CSV+JSON)
  • Sleeper: league_summary, teams, rosters, matchups (CSV+JSON)

All organized by platform, year, and league ID.

Usage

# Single Yahoo league
python scripts/export_league_data.py YOUR_TOKEN 42081 -o ./2024_league

# Single Sleeper league
python scripts/export_sleeper_league_data.py 1389378429505241088 -o ./2026_league

# Bulk export all 14 of your leagues
nano scripts/your_leagues.json  # Add Yahoo token
python scripts/bulk_export_leagues.py export scripts/your_leagues.json -o ./all_leagues

Integration

  • Follows yfpy project structure and conventions
  • Uses existing pyproject.toml dependency management
  • No conflicts with existing code
  • Ready for immediate use

anthonydellapia1117 and others added 2 commits August 11, 2026 12:32
Introduces a new utility script for exporting Yahoo Fantasy League data to CSV and JSON formats.

Features:
- Export league settings, teams, players with statistics, trades, add/drops, and matchups
- Supports filtering by week range for player statistics
- Includes rate limiting for API compliance
- Provides both CLI and Python API interfaces
- Comprehensive error handling and logging
- Full documentation with usage examples

Changes:
- Add scripts/export_league_data.py: Main export utility class and CLI
- Add scripts/EXPORT_LEAGUE_DATA.md: Detailed documentation and examples
- Update pyproject.toml: Add optional dependencies for export functionality
- Update README.md: Add section and documentation links for export utility

Optional dependencies added (xmltodict, pandas) for data processing.
CLI usage: python scripts/export_league_data.py TOKEN LEAGUE_KEY

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Extends league data export functionality with:
- Sleeper Fantasy League export script with no authentication required
- Bulk export tool for simultaneously exporting multiple Yahoo/Sleeper leagues
- Pre-configured leagues.json template with comprehensive documentation
- Full support for batch operations across entire league history

Features:
- SleeperFantasyDataExporter class with league, team, roster, and matchup export
- BulkLeagueExporter class for coordinated multi-league exports
- Configuration-based batch operations (JSON config files)
- Flexible week/season filtering
- Comprehensive error tracking and results reporting
- Support for both CSV and JSON output formats

Changes:
- Add scripts/export_sleeper_league_data.py: Sleeper API exporter
- Add scripts/bulk_export_leagues.py: Multi-league bulk exporter
- Add scripts/EXPORT_SLEEPER_LEAGUE_DATA.md: Sleeper export documentation
- Add scripts/BULK_EXPORT_LEAGUES.md: Bulk export documentation and guide
- Add scripts/your_leagues.json: Pre-configured league reference for user's leagues
- Update README.md: Add sections for Sleeper and bulk export utilities

No additional dependencies beyond those already in optional[export] group.
Works with both CSV (if pandas available) and JSON fallback formats.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
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