b6a913df1d
- Import MLS_TEAMS from mls module - Add MLS_DIVISIONS dict (Eastern/Western conferences) - Add MLS to sport_mappings for team canonicalization - Add MLS team abbreviation aliases (LA, NYC, RBNY, etc.) - Add MLS stadium historical aliases (BMO, PayPal Park, Shell Energy, etc.) Total teams: 154 (30 MLS teams added) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
490 lines
19 KiB
Python
490 lines
19 KiB
Python
#!/usr/bin/env python3
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"""
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Stadium Canonicalization for SportsTime
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========================================
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Stage 1 of the canonicalization pipeline.
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Normalizes stadium data and generates deterministic canonical IDs.
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Creates stadium name aliases for fuzzy matching during game resolution.
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Usage:
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python canonicalize_stadiums.py --input data/stadiums.json --output data/
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"""
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import argparse
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import json
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import re
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from dataclasses import dataclass, asdict, field
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from pathlib import Path
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from typing import Optional
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# =============================================================================
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# DATA CLASSES
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# =============================================================================
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@dataclass
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class CanonicalStadium:
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"""A canonicalized stadium with stable ID."""
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canonical_id: str
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name: str
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city: str
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state: str
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latitude: float
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longitude: float
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capacity: int
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sport: str
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primary_team_abbrevs: list = field(default_factory=list)
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year_opened: Optional[int] = None
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@dataclass
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class StadiumAlias:
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"""Maps an alias name to a canonical stadium ID."""
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alias_name: str # Normalized (lowercase)
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stadium_canonical_id: str
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valid_from: Optional[str] = None
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valid_until: Optional[str] = None
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# =============================================================================
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# HISTORICAL STADIUM ALIASES
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# Known name changes for stadiums (sponsorship changes, renames)
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# =============================================================================
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HISTORICAL_STADIUM_ALIASES = {
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# MLB
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'stadium_mlb_minute_maid_park': [
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{'alias_name': 'daikin park', 'valid_from': '2025-01-01'},
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{'alias_name': 'enron field', 'valid_from': '2000-04-01', 'valid_until': '2002-02-28'},
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{'alias_name': 'astros field', 'valid_from': '2002-03-01', 'valid_until': '2002-06-04'},
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],
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'stadium_mlb_guaranteed_rate_field': [
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{'alias_name': 'rate field', 'valid_from': '2024-01-01'},
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{'alias_name': 'us cellular field', 'valid_from': '2003-01-01', 'valid_until': '2016-08-24'},
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{'alias_name': 'comiskey park ii', 'valid_from': '1991-04-01', 'valid_until': '2002-12-31'},
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{'alias_name': 'new comiskey park', 'valid_from': '1991-04-01', 'valid_until': '2002-12-31'},
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],
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'stadium_mlb_truist_park': [
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{'alias_name': 'suntrust park', 'valid_from': '2017-04-01', 'valid_until': '2020-01-13'},
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],
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'stadium_mlb_progressive_field': [
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{'alias_name': 'jacobs field', 'valid_from': '1994-04-01', 'valid_until': '2008-01-10'},
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{'alias_name': 'the jake', 'valid_from': '1994-04-01', 'valid_until': '2008-01-10'},
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],
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'stadium_mlb_american_family_field': [
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{'alias_name': 'miller park', 'valid_from': '2001-04-01', 'valid_until': '2020-12-31'},
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],
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'stadium_mlb_rogers_centre': [
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{'alias_name': 'skydome', 'valid_from': '1989-06-01', 'valid_until': '2005-02-01'},
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],
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'stadium_mlb_loandepot_park': [
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{'alias_name': 'marlins park', 'valid_from': '2012-04-01', 'valid_until': '2021-03-31'},
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],
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'stadium_mlb_t_mobile_park': [
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{'alias_name': 'safeco field', 'valid_from': '1999-07-01', 'valid_until': '2018-12-31'},
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],
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'stadium_mlb_oracle_park': [
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{'alias_name': 'att park', 'valid_from': '2006-01-01', 'valid_until': '2019-01-08'},
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{'alias_name': 'sbc park', 'valid_from': '2004-01-01', 'valid_until': '2005-12-31'},
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{'alias_name': 'pac bell park', 'valid_from': '2000-04-01', 'valid_until': '2003-12-31'},
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],
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'stadium_mlb_globe_life_field': [
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{'alias_name': 'choctaw stadium', 'valid_from': '2020-01-01'}, # Globe Life Field opened 2020
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],
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# NBA
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'stadium_nba_state_farm_arena': [
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{'alias_name': 'philips arena', 'valid_from': '1999-09-01', 'valid_until': '2018-06-25'},
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],
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'stadium_nba_crypto_com_arena': [
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{'alias_name': 'staples center', 'valid_from': '1999-10-01', 'valid_until': '2021-12-24'},
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],
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'stadium_nba_kaseya_center': [
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{'alias_name': 'ftx arena', 'valid_from': '2021-06-01', 'valid_until': '2023-03-31'},
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{'alias_name': 'american airlines arena', 'valid_from': '1999-12-01', 'valid_until': '2021-05-31'},
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],
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'stadium_nba_gainbridge_fieldhouse': [
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{'alias_name': 'bankers life fieldhouse', 'valid_from': '2011-01-01', 'valid_until': '2021-12-31'},
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{'alias_name': 'conseco fieldhouse', 'valid_from': '1999-11-01', 'valid_until': '2010-12-31'},
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],
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'stadium_nba_rocket_mortgage_fieldhouse': [
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{'alias_name': 'quicken loans arena', 'valid_from': '2005-08-01', 'valid_until': '2019-08-08'},
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{'alias_name': 'gund arena', 'valid_from': '1994-10-01', 'valid_until': '2005-07-31'},
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],
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'stadium_nba_kia_center': [
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{'alias_name': 'amway center', 'valid_from': '2010-10-01', 'valid_until': '2023-07-12'},
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],
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'stadium_nba_frost_bank_center': [
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{'alias_name': 'att center', 'valid_from': '2002-10-01', 'valid_until': '2023-10-01'},
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],
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'stadium_nba_intuit_dome': [
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# New arena opened 2024, Clippers moved from Crypto.com Arena
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],
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'stadium_nba_delta_center': [
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{'alias_name': 'vivint arena', 'valid_from': '2020-12-01', 'valid_until': '2023-07-01'},
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{'alias_name': 'vivint smart home arena', 'valid_from': '2015-11-01', 'valid_until': '2020-11-30'},
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{'alias_name': 'energysolutions arena', 'valid_from': '2006-11-01', 'valid_until': '2015-10-31'},
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],
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# NHL
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'stadium_nhl_amerant_bank_arena': [
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{'alias_name': 'fla live arena', 'valid_from': '2021-10-01', 'valid_until': '2024-05-31'},
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{'alias_name': 'bb&t center', 'valid_from': '2012-06-01', 'valid_until': '2021-09-30'},
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{'alias_name': 'bankatlantic center', 'valid_from': '2005-10-01', 'valid_until': '2012-05-31'},
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],
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'stadium_nhl_climate_pledge_arena': [
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{'alias_name': 'keyarena', 'valid_from': '1995-01-01', 'valid_until': '2018-10-01'},
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{'alias_name': 'seattle center coliseum', 'valid_from': '1962-01-01', 'valid_until': '1994-12-31'},
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],
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# NFL
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'stadium_nfl_sofi_stadium': [
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# SoFi Stadium opened 2020, no prior name
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],
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'stadium_nfl_allegiant_stadium': [
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# Allegiant Stadium opened 2020, no prior name (Raiders moved from Oakland Coliseum)
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],
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'stadium_nfl_caesars_superdome': [
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{'alias_name': 'mercedes-benz superdome', 'valid_from': '2011-10-01', 'valid_until': '2021-07-01'},
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{'alias_name': 'louisiana superdome', 'valid_from': '1975-08-01', 'valid_until': '2011-09-30'},
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{'alias_name': 'superdome', 'valid_from': '1975-08-01'},
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],
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'stadium_nfl_paycor_stadium': [
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{'alias_name': 'paul brown stadium', 'valid_from': '2000-08-01', 'valid_until': '2022-09-05'},
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],
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'stadium_nfl_empower_field_at_mile_high': [
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{'alias_name': 'broncos stadium at mile high', 'valid_from': '2018-09-01', 'valid_until': '2019-08-31'},
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{'alias_name': 'sports authority field at mile high', 'valid_from': '2011-08-01', 'valid_until': '2018-08-31'},
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{'alias_name': 'invesco field at mile high', 'valid_from': '2001-09-01', 'valid_until': '2011-07-31'},
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{'alias_name': 'mile high stadium', 'valid_from': '1960-01-01', 'valid_until': '2001-08-31'},
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],
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'stadium_nfl_acrisure_stadium': [
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{'alias_name': 'heinz field', 'valid_from': '2001-08-01', 'valid_until': '2022-07-10'},
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],
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'stadium_nfl_everbank_stadium': [
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{'alias_name': 'tiaa bank field', 'valid_from': '2018-01-01', 'valid_until': '2023-03-31'},
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{'alias_name': 'everbank field', 'valid_from': '2014-01-01', 'valid_until': '2017-12-31'},
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{'alias_name': 'alltel stadium', 'valid_from': '1997-06-01', 'valid_until': '2006-12-31'},
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{'alias_name': 'jacksonville municipal stadium', 'valid_from': '1995-08-01', 'valid_until': '1997-05-31'},
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],
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'stadium_nfl_northwest_stadium': [
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{'alias_name': 'fedexfield', 'valid_from': '1999-11-01', 'valid_until': '2025-01-01'},
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{'alias_name': 'fedex field', 'valid_from': '1999-11-01', 'valid_until': '2025-01-01'},
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{'alias_name': 'jack kent cooke stadium', 'valid_from': '1997-09-01', 'valid_until': '1999-10-31'},
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],
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'stadium_nfl_hard_rock_stadium': [
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{'alias_name': 'sun life stadium', 'valid_from': '2010-01-01', 'valid_until': '2016-07-31'},
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{'alias_name': 'land shark stadium', 'valid_from': '2009-01-01', 'valid_until': '2009-12-31'},
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{'alias_name': 'dolphin stadium', 'valid_from': '2005-01-01', 'valid_until': '2008-12-31'},
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{'alias_name': 'pro player stadium', 'valid_from': '1996-04-01', 'valid_until': '2004-12-31'},
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{'alias_name': 'joe robbie stadium', 'valid_from': '1987-08-01', 'valid_until': '1996-03-31'},
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],
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'stadium_nfl_highmark_stadium': [
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{'alias_name': 'bills stadium', 'valid_from': '2020-03-01', 'valid_until': '2021-03-31'},
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{'alias_name': 'new era field', 'valid_from': '2016-08-01', 'valid_until': '2020-02-29'},
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{'alias_name': 'ralph wilson stadium', 'valid_from': '1998-08-01', 'valid_until': '2016-07-31'},
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{'alias_name': 'rich stadium', 'valid_from': '1973-08-01', 'valid_until': '1998-07-31'},
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],
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'stadium_nfl_geha_field_at_arrowhead_stadium': [
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{'alias_name': 'arrowhead stadium', 'valid_from': '1972-08-01'},
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],
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'stadium_nfl_att_stadium': [
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{'alias_name': 'cowboys stadium', 'valid_from': '2009-05-01', 'valid_until': '2013-07-24'},
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],
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'stadium_nfl_us_bank_stadium': [
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# Opened 2016, no prior name (Vikings moved from Metrodome)
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],
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'stadium_nfl_lumen_field': [
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{'alias_name': 'centurylink field', 'valid_from': '2011-06-01', 'valid_until': '2020-11-18'},
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{'alias_name': 'qwest field', 'valid_from': '2004-06-01', 'valid_until': '2011-05-31'},
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{'alias_name': 'seahawks stadium', 'valid_from': '2002-07-01', 'valid_until': '2004-05-31'},
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],
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# MLS
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'stadium_mls_bmo_stadium': [
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{'alias_name': 'banc of california stadium', 'valid_from': '2018-04-01', 'valid_until': '2023-06-01'},
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],
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'stadium_mls_paypal_park': [
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{'alias_name': 'earthquakes stadium', 'valid_from': '2015-03-01', 'valid_until': '2020-12-31'},
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{'alias_name': 'avaya stadium', 'valid_from': '2015-03-01', 'valid_until': '2020-12-31'},
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],
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'stadium_mls_shell_energy_stadium': [
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{'alias_name': 'pnc stadium', 'valid_from': '2021-03-01', 'valid_until': '2023-03-01'},
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{'alias_name': 'bbva stadium', 'valid_from': '2019-01-01', 'valid_until': '2021-02-28'},
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{'alias_name': 'bbva compass stadium', 'valid_from': '2012-05-01', 'valid_until': '2018-12-31'},
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],
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'stadium_mls_dignity_health_sports_park': [
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{'alias_name': 'stubhub center', 'valid_from': '2013-06-01', 'valid_until': '2019-01-31'},
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{'alias_name': 'home depot center', 'valid_from': '2003-06-01', 'valid_until': '2013-05-31'},
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],
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'stadium_mls_interandco_stadium': [
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{'alias_name': 'exploria stadium', 'valid_from': '2017-03-01', 'valid_until': '2023-07-01'},
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{'alias_name': 'orlando city stadium', 'valid_from': '2017-03-01', 'valid_until': '2019-01-01'},
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],
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'stadium_mls_chase_stadium': [
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{'alias_name': 'drv pnk stadium', 'valid_from': '2020-07-01', 'valid_until': '2024-01-01'},
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{'alias_name': 'inter miami cf stadium', 'valid_from': '2020-07-01', 'valid_until': '2020-09-01'},
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],
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'stadium_mls_america_first_field': [
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{'alias_name': 'rio tinto stadium', 'valid_from': '2008-10-01', 'valid_until': '2021-08-01'},
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],
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'stadium_mls_lowercom_field': [
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{'alias_name': 'lower.com field', 'valid_from': '2021-07-01'}, # Current name with period
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{'alias_name': 'new crew stadium', 'valid_from': '2021-07-01', 'valid_until': '2021-07-01'},
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],
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}
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# =============================================================================
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# SLUG GENERATION
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# =============================================================================
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def normalize_stadium_name(name: str) -> str:
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"""
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Normalize stadium name for slug generation.
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- Lowercase
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- Remove parentheticals like "(IV)"
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- Remove special characters except spaces
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- Collapse multiple spaces
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"""
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normalized = name.lower()
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# Remove parentheticals
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normalized = re.sub(r'\s*\([^)]*\)', '', normalized)
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# Remove special characters except spaces and alphanumeric
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normalized = re.sub(r'[^a-z0-9\s]', '', normalized)
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# Replace multiple spaces with single space
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normalized = re.sub(r'\s+', ' ', normalized).strip()
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return normalized
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def generate_stadium_slug(name: str) -> str:
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"""
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Generate URL-safe slug from stadium name.
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Examples:
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"State Farm Arena" -> "state_farm_arena"
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"TD Garden" -> "td_garden"
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"Crypto.com Arena" -> "crypto_com_arena"
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"""
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normalized = normalize_stadium_name(name)
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# Replace spaces with underscores
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slug = normalized.replace(' ', '_')
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# Truncate to 50 chars
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return slug[:50]
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def generate_canonical_stadium_id(sport: str, name: str) -> str:
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"""
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Generate deterministic canonical ID for stadium.
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Format: stadium_{sport}_{slug}
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Example: stadium_nba_state_farm_arena
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"""
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slug = generate_stadium_slug(name)
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return f"stadium_{sport.lower()}_{slug}"
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# =============================================================================
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# CANONICALIZATION
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# =============================================================================
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def canonicalize_stadiums(
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raw_stadiums: list[dict],
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verbose: bool = False
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) -> tuple[list[CanonicalStadium], list[StadiumAlias]]:
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"""
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Stage 1: Canonicalize stadiums.
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1. Normalize names and cities
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2. Deduplicate by (sport, normalized_name, city)
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3. Generate canonical IDs
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4. Create name aliases
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Args:
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raw_stadiums: List of raw stadium dicts from scraper
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verbose: Print detailed progress
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Returns:
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(canonical_stadiums, aliases)
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"""
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canonical_stadiums = []
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aliases = []
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seen_keys = {} # (sport, normalized_name, city) -> canonical_id
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for raw in raw_stadiums:
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sport = raw.get('sport', '').upper()
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name = raw.get('name', '')
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city = raw.get('city', '')
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if not sport or not name:
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if verbose:
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print(f" Skipping invalid stadium: {raw}")
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continue
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# Generate canonical ID
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canonical_id = generate_canonical_stadium_id(sport, name)
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# Deduplication key (same stadium in same city for same sport)
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normalized_name = normalize_stadium_name(name)
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dedup_key = (sport, normalized_name, city.lower())
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if dedup_key in seen_keys:
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existing_canonical_id = seen_keys[dedup_key]
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# Add as alias if the display name differs
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alias_name = name.lower().strip()
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if alias_name != normalized_name:
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aliases.append(StadiumAlias(
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alias_name=alias_name,
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stadium_canonical_id=existing_canonical_id
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))
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if verbose:
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print(f" Duplicate: {name} -> {existing_canonical_id}")
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continue
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seen_keys[dedup_key] = canonical_id
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# Create canonical stadium
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canonical = CanonicalStadium(
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canonical_id=canonical_id,
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name=name,
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city=city,
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state=raw.get('state', ''),
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latitude=raw.get('latitude', 0.0),
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longitude=raw.get('longitude', 0.0),
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capacity=raw.get('capacity', 0),
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sport=sport,
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primary_team_abbrevs=raw.get('team_abbrevs', []),
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year_opened=raw.get('year_opened')
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)
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canonical_stadiums.append(canonical)
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# Add primary name as alias (normalized)
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aliases.append(StadiumAlias(
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alias_name=name.lower().strip(),
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stadium_canonical_id=canonical_id
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))
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# Also add normalized version if different
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if normalized_name != name.lower().strip():
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aliases.append(StadiumAlias(
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alias_name=normalized_name,
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stadium_canonical_id=canonical_id
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))
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if verbose:
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print(f" {canonical_id}: {name} ({city})")
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return canonical_stadiums, aliases
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def add_historical_aliases(
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aliases: list[StadiumAlias],
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canonical_ids: set[str]
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) -> list[StadiumAlias]:
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"""
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Add historical stadium name aliases.
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Only adds aliases for stadiums that exist in canonical_ids.
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"""
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for canonical_id, historical in HISTORICAL_STADIUM_ALIASES.items():
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if canonical_id not in canonical_ids:
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continue
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for hist in historical:
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aliases.append(StadiumAlias(
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alias_name=hist['alias_name'],
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stadium_canonical_id=canonical_id,
|
|
valid_from=hist.get('valid_from'),
|
|
valid_until=hist.get('valid_until')
|
|
))
|
|
|
|
return aliases
|
|
|
|
|
|
def deduplicate_aliases(aliases: list[StadiumAlias]) -> list[StadiumAlias]:
|
|
"""Remove duplicate aliases (same alias_name -> same canonical_id)."""
|
|
seen = set()
|
|
deduped = []
|
|
|
|
for alias in aliases:
|
|
key = (alias.alias_name, alias.stadium_canonical_id)
|
|
if key not in seen:
|
|
seen.add(key)
|
|
deduped.append(alias)
|
|
|
|
return deduped
|
|
|
|
|
|
# =============================================================================
|
|
# MAIN
|
|
# =============================================================================
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser(
|
|
description='Canonicalize stadium data'
|
|
)
|
|
parser.add_argument(
|
|
'--input', type=str, default='./data/stadiums.json',
|
|
help='Input raw stadiums JSON file'
|
|
)
|
|
parser.add_argument(
|
|
'--output', type=str, default='./data',
|
|
help='Output directory for canonical files'
|
|
)
|
|
parser.add_argument(
|
|
'--verbose', '-v', action='store_true',
|
|
help='Verbose output'
|
|
)
|
|
|
|
args = parser.parse_args()
|
|
input_path = Path(args.input)
|
|
output_dir = Path(args.output)
|
|
output_dir.mkdir(parents=True, exist_ok=True)
|
|
|
|
# Load raw stadiums
|
|
print(f"Loading raw stadiums from {input_path}...")
|
|
with open(input_path) as f:
|
|
raw_stadiums = json.load(f)
|
|
print(f" Loaded {len(raw_stadiums)} raw stadiums")
|
|
|
|
# Canonicalize
|
|
print("\nCanonicalizing stadiums...")
|
|
canonical_stadiums, aliases = canonicalize_stadiums(
|
|
raw_stadiums, verbose=args.verbose
|
|
)
|
|
print(f" Created {len(canonical_stadiums)} canonical stadiums")
|
|
|
|
# Add historical aliases
|
|
canonical_ids = {s.canonical_id for s in canonical_stadiums}
|
|
aliases = add_historical_aliases(aliases, canonical_ids)
|
|
|
|
# Deduplicate aliases
|
|
aliases = deduplicate_aliases(aliases)
|
|
print(f" Created {len(aliases)} stadium aliases")
|
|
|
|
# Export
|
|
stadiums_path = output_dir / 'stadiums_canonical.json'
|
|
aliases_path = output_dir / 'stadium_aliases.json'
|
|
|
|
with open(stadiums_path, 'w') as f:
|
|
json.dump([asdict(s) for s in canonical_stadiums], f, indent=2)
|
|
print(f"\nExported stadiums to {stadiums_path}")
|
|
|
|
with open(aliases_path, 'w') as f:
|
|
json.dump([asdict(a) for a in aliases], f, indent=2)
|
|
print(f"Exported aliases to {aliases_path}")
|
|
|
|
# Summary by sport
|
|
print("\nSummary by sport:")
|
|
by_sport = {}
|
|
for s in canonical_stadiums:
|
|
by_sport[s.sport] = by_sport.get(s.sport, 0) + 1
|
|
for sport, count in sorted(by_sport.items()):
|
|
print(f" {sport}: {count} stadiums")
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|