""" Fetch All Real Historical Odds from BallDontLie API Supports: NBA, NFL, NHL, NCAAF """ import json import os import time import urllib.request import urllib.error from datetime import datetime, timedelta from collections import defaultdict API_KEY = os.environ.get("BALLDONTLIE_API_KEY") if not API_KEY: raise RuntimeError("BALLDONTLIE_API_KEY is not set. Put it in the environment (recommended: .env / systemd EnvironmentFile).") DATA_DIR = '/var/www/html/eventheodds/data/betting' REQUEST_DELAY = 0.3 def api_request(url: str) -> dict: headers = {'Authorization': API_KEY} req = urllib.request.Request(url, headers=headers) try: with urllib.request.urlopen(req, timeout=30) as response: data = json.loads(response.read().decode('utf-8')) time.sleep(REQUEST_DELAY) return data except Exception as e: print(f' Error: {e}') return {'data': []} def merge_odds(game: dict, odds_list: list, sport: str) -> dict: priority = ['draftkings', 'fanduel', 'betmgm', 'caesars', 'bet365'] best = next((o for v in priority for o in odds_list if o.get('vendor','').lower()==v), odds_list[0] if odds_list else None) if not best: return None home_score = game.get('home_team_score') or game.get('home_score') or 0 away_score = game.get('visitor_team_score') or game.get('away_score') or 0 margin = home_score - away_score try: spread = float(best.get('spread_home_value', 0) or 0) except: spread = 0 winner = 'home' if home_score > away_score else ('away' if away_score > home_score else 'draw') spread_covered = 'home' if (spread < 0 and margin > abs(spread)) or (spread >= 0 and margin > -spread) else 'away' home_team = game.get('home_team', {}) away_team = game.get('visitor_team') or game.get('away_team', {}) home_name = home_team.get('name', home_team.get('full_name', str(home_team))) if isinstance(home_team, dict) else str(home_team) away_name = away_team.get('name', away_team.get('full_name', str(away_team))) if isinstance(away_team, dict) else str(away_team) return { 'id': str(game.get('id')), 'sport': sport, 'date': str(game.get('date', ''))[:10], 'season': game.get('season', 2024), 'homeTeam': home_name, 'awayTeam': away_name, 'scores': {'homeScore': home_score, 'awayScore': away_score}, 'odds': { 'moneylineHome': best.get('moneyline_home_odds', -110), 'moneylineAway': best.get('moneyline_away_odds', 100), 'spreadHome': spread, 'spreadAway': -spread, 'totalLine': float(best.get('total_value', 0) or 0), 'source': 'balldontlie', 'vendor': best.get('vendor', 'unknown') }, 'result': {'winner': winner, 'spreadCovered': spread_covered, 'margin': margin, 'totalPoints': home_score + away_score} } def fetch_nba(start: str, end: str) -> list: print(f'\n=== NBA: {start} to {end} ===') results = [] current = datetime.strptime(start, '%Y-%m-%d') end_dt = datetime.strptime(end, '%Y-%m-%d') while current <= end_dt: ds = current.strftime('%Y-%m-%d') games = api_request(f'https://api.balldontlie.io/v1/games?dates[]={ds}').get('data', []) odds = api_request(f'https://api.balldontlie.io/v2/odds?dates[]={ds}').get('data', []) odds_map = defaultdict(list) for o in odds: odds_map[o.get('game_id')].append(o) for g in games: if g.get('status', '').lower() not in ('final', 'f'): continue game_odds = odds_map.get(g.get('id'), []) if game_odds: m = merge_odds(g, game_odds, 'nba') if m: results.append(m) print(f' {ds}: {len([g for g in games if g.get('status','').lower() in ('final','f')])} games, {len([r for r in results if r['date']==ds])} with odds') current += timedelta(days=1) return results def fetch_nhl(start: str, end: str) -> list: print(f'\n=== NHL: {start} to {end} ===') results = [] current = datetime.strptime(start, '%Y-%m-%d') end_dt = datetime.strptime(end, '%Y-%m-%d') while current <= end_dt: ds = current.strftime('%Y-%m-%d') games = api_request(f'https://api.balldontlie.io/nhl/v1/games?dates[]={ds}').get('data', []) odds = api_request(f'https://api.balldontlie.io/nhl/v1/odds?dates[]={ds}').get('data', []) odds_map = defaultdict(list) for o in odds: odds_map[o.get('game_id')].append(o) for g in games: status = g.get('status', '').lower() if status not in ('final', 'f', 'finished'): continue game_odds = odds_map.get(g.get('id'), []) if game_odds: m = merge_odds(g, game_odds, 'nhl') if m: results.append(m) if games: print(f' {ds}: {len(games)} games, {len([r for r in results if r['date']==ds])} with odds') current += timedelta(days=1) return results def fetch_nfl(season: int) -> list: print(f'\n=== NFL Season {season} ===') results = [] for week in range(1, 19): odds = api_request(f'https://api.balldontlie.io/nfl/v1/odds?season={season}&week={week}').get('data', []) if odds: print(f' Week {week}: {len(odds)} odds entries') # NFL odds don't have game data attached, store raw odds for o in odds: results.append({ 'id': str(o.get('id')), 'sport': 'nfl', 'game_id': o.get('game_id'), 'season': season, 'week': week, 'vendor': o.get('vendor'), 'odds': { 'spreadHome': float(o.get('spread_home_value', 0) or 0), 'spreadHomeOdds': o.get('spread_home_odds'), 'spreadAway': float(o.get('spread_away_value', 0) or 0), 'spreadAwayOdds': o.get('spread_away_odds'), 'moneylineHome': o.get('moneyline_home_odds'), 'moneylineAway': o.get('moneyline_away_odds'), 'totalLine': float(o.get('total_value', 0) or 0), 'source': 'balldontlie' } }) return results def fetch_ncaaf(season: int) -> list: print(f'\n=== NCAAF Season {season} ===') results = [] for week in range(1, 16): odds = api_request(f'https://api.balldontlie.io/ncaaf/v1/odds?season={season}&week={week}').get('data', []) if odds: print(f' Week {week}: {len(odds)} odds entries') for o in odds: results.append({ 'id': str(o.get('id')), 'sport': 'ncaaf', 'game_id': o.get('game_id'), 'season': season, 'week': week, 'vendor': o.get('vendor'), 'odds': { 'spreadHome': float(o.get('spread_home_value', 0) or 0), 'spreadHomeOdds': o.get('spread_home_odds'), 'moneylineHome': o.get('moneyline_home_odds'), 'moneylineAway': o.get('moneyline_away_odds'), 'totalLine': float(o.get('total_value', 0) or 0), 'source': 'balldontlie' } }) return results def save_data(data: list, sport: str): if not data: print(f' No {sport} data to save') return filepath = os.path.join(DATA_DIR, f'{sport}_historical.json') with open(filepath, 'w') as f: json.dump(data, f, indent=2) print(f' Saved {len(data)} {sport} records to {filepath}') def main(): print('='*60) print('BallDontLie All Sports Odds Downloader') print('='*60) os.makedirs(DATA_DIR, exist_ok=True) # NBA - 2 months nba = fetch_nba('2025-11-01', '2025-12-31') save_data(nba, 'nba') # NHL - 2 months nhl = fetch_nhl('2025-10-01', '2025-12-31') save_data(nhl, 'nhl') # NFL - 2025 season nfl = fetch_nfl(2025) save_data(nfl, 'nfl') # NCAAF - 2025 season ncaaf = fetch_ncaaf(2025) save_data(ncaaf, 'ncaaf') print('\n' + '='*60) print('All downloads complete!') print('='*60) if __name__ == '__main__': main()