class NBAPlayers(object):
'''
TODO: need to update / merge this with the names module
Provides for updating nba.com players table (stats.players)
Also permits cross-reference of player names and player ids from various sites(stats.player_xref)
Usage:
np = NBAComPlayers(db=True)
np.missing_players('2015-16')
'''
def __init__(self, db=False):
self.logger = logging.getLogger(__name__)
self._dk_players = []
self.scraper = NBAComScraper()
self.parser = NBAComParser()
if db:
self.nbadb = NBAPostgres()
@property
def dk_players(self):
'''
Dictionary of player_name: draftkings_player_id
Returns:
dk_players (dict): key is player name, value is dk_player_id
'''
if not self._dk_players:
try:
fn = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'data', 'dk_players.json')
with open(fn, 'r') as infile:
self._dk_players = json.load(infile)
except:
self.logger.exception('could not open dk_players json file')
return self._dk_players
def missing_players(self, season):
'''
Looks for missing players by comparing current_season_gamelogs and players tables
Fetches player_info by id, inserts player into players table
Arguments:
season (str): example '2015-16' for the current season
Returns:
missing (list): list of dictionaries that represent row in players table
'''
if not self.nbadb:
raise ValueError('missing_players requires a database connection')
missing = []
# get list of ids that appear in current_season_gamelogs but not players
sql = '''
SELECT DISTINCT player_id FROM stats.cs_player_gamelogs
WHERE player_id NOT IN (SELECT DISTINCT nbacom_player_id FROM stats.players)
'''
results = self.nbadb.select_list(sql)
if results:
for pid in results:
content = self.scraper.player_info(pid, season)
pi = self.parser.player_info(content)
pi = {k.lower(): v for k,v in pi.iteritems()}
pi.pop('games_played_flag', None)
pi['nbacom_team_id'] = pi.get('team_id', None)
pi.pop('team_id', None)
pi['nbacom_position'] = pi.get('position', None)
pi.pop('position', None)
pi['nbacom_player_id'] = pi.get('person_id', None)
pi.pop('person_id', None)
if pi.get('height', None):
try:
feet, inches = pi['height'].split('-')
pi['height'] = int(feet)*12 + int(inches)
except: pass
# have to convert empty strings to None, otherwise insert fails for integer/numeric columns
player_info= {}
for k,v in pi.iteritems():
if not v:
player_info[k] = None
else:
player_info[k] = v
missing.append(player_info)
if self.polite: time.sleep(1)
if missing: self.nbadb.insert_dicts(missing, 'stats.players')
return missing
def recent_nbacom_players(self):
'''
Gets last couple of years of players from nba.com
Returns dictionary with key of name + team
'''
if not self.nbadb:
return None
else:
# can also return in dict format
# {'{0} {1}'.format(item['player_name'], item.get('team_code')):item for item in self.nbadb.select_dict(sql)}
sql = '''SELECT * FROM recent_nba_players'''
return self.nbadb.select_dict(sql)
def player_xref(self, site_name):
'''
Obtains dictionary of site_player_id and nbacom_player_id
Args:
site_name (str): 'dk', 'fantasylabs', etc.
Return:
player_xref (dict): key is site_player_id
'''
sql = '''SELECT nbacom_player_id, site_player_id FROM stats.player_xref WHERE site='{0}' ORDER by nbacom_player_id'''
xref = self.nbadb.select_dict(sql.format(site_name))
return {p.get('site_player_id'): p.get('nbacom_player_id') for p in xref if p.get('site_player_id')}
def site_to_nbacom(self, site, player_name):
'''
Returns dictionary with name of player on site, value is list of name and id of player on nba.com
Arguments:
site (str): 'dk', 'fd', 'rg', 'doug', 'espn'
Returns:
players (dict): key is player name on site, value is list [nbacom_player_name, nbacom_player id]
'''
if site.lower() not in self.sites:
# should try name matcher
pass
elif site.lower() == 'dk':
return self._dk_name(player_name)
elif 'doug' in site.lower():
return self._doug_name(player_name)
elif 'espn' in site.lower():
return self._espn_name(player_name)
elif site.lower() == 'fd' or 'duel' in site.lower():
return self._fd_name(player_name)
elif site.lower() == 'fl' or 'labs' in site.lower():
return self._fl_name(player_name)
elif site.lower() == 'rg' or 'guru' in site.lower():
return self._rg_name(player_name)
