def scorePerPossessionFullGame(self):
'''
Returns a dictionary where keys are game_ids and values are dictionaries of the form:
{
'home':{'team': TEAM_NAME, 'spp': SCORE_PER_POSSESSION},
'away':{'team': TEAM_NAME, 'spp': SCORE_PER_POSSESSION}
}
'''
returnDict = {}
# game variables
current_game = None
game_counter = -1
total_scores = None
# possession variables
current_possession_number = -1
totaler = None
current_possession = []
with open(self.csvfile) as csvfile:
reader = csv.DictReader(csvfile)
for row in reader:
# check if we are looking at a new game
if row['game_id'] != current_game:
# evaluate the last possession from the previous game
if current_possession_number != -1:
totaler['total'] += self.pe(current_possession)
totaler['possessions'] += 1
# add the game to the return dictionary
if current_game != None:
avg_scores = {'home':{}, 'away':{}}
avg_scores['home']['team'] = total_scores['home']['team']
avg_scores['away']['team'] = total_scores['away']['team']
avg_scores['home']['spp'] = (total_scores['home']['total'] , total_scores['home']['possessions'])
avg_scores['away']['spp'] = (total_scores['away']['total'] , total_scores['away']['possessions'])
returnDict[current_game] = avg_scores
# reset vars for new game
current_game = row['game_id']
game_counter += 1
total_scores = {
'home': {'team': None, 'total': 0, 'possessions': 0},
'away': {'team': None, 'total': 0, 'possessions': 0}
}
teams = homeAwayLookup(current_game)
total_scores['home']['team'] = teams['home']
total_scores['away']['team'] = teams['away']
current_possession_number = -1
totaler = None
current_possession = []
# ignore lines without a possession
if empty(row['possession_number']):
continue
# check if we have a new possession
if row['possession_number'] != current_possession_number:
# add score for the possession
if current_possession_number != -1:
totaler['total'] += self.pe(current_possession)
totaler['possessions'] += 1
# reset possession variables
if total_scores['home']['team'] == row['possession_team']:
totaler = total_scores['home']
else:
totaler = total_scores['away']
current_possession_number = row['possession_number']
current_possession = []
current_possession.append(row)
return returnDict
def scorePerPossessionAfterEvent(self):
'''
Returns a dictionary where keys are game_ids and values are dictionaries of the form:
{
'home':{'team': TEAM_NAME, 'spp': {'own': SCORE_PER_POSSESSION, 'opp': SCORE_PER_POSSESSION}},
'away':{'team': TEAM_NAME, 'spp': {'own': SCORE_PER_POSSESSION, 'opp': SCORE_PER_POSSESSION}}
}
'''
returnDict = {}
# game variables
current_game = None
game_counter = -1
total_scores = None
# possession variables
current_possession_number = -1
totaler = None
current_possession = []
event_counter = 0
whose_event = None
change_event_counter = False
with open(self.csvfile) as csvfile:
reader = csv.DictReader(csvfile)
for row in reader:
# check if we are looking at a new game
if row['game_id'] != current_game:
# evaluate the last possession from the previous game
if current_possession_number != -1 and event_counter > 0:
if whose_event == totaler['team']:
totaler['total']['own'] += self.pe(current_possession)
totaler['possessions']['own'] += 1
else:
totaler['total']['opp'] += self.pe(current_possession)
totaler['possessions']['opp'] += 1
event_counter -= 1
# add the game to the return dictionary
if current_game != None:
avg_scores = {'home':{'spp':{}}, 'away':{'spp':{}}}
avg_scores['home']['team'] = total_scores['home']['team']
avg_scores['away']['team'] = total_scores['away']['team']
if total_scores['home']['possessions']['own'] != 0:
avg_scores['home']['spp']['own'] = (total_scores['home']['total']['own'] , total_scores['home']['possessions']['own'])
else:
avg_scores['home']['spp']['own'] = None
if total_scores['home']['possessions']['opp'] != 0:
avg_scores['home']['spp']['opp'] = (total_scores['home']['total']['opp'] , total_scores['home']['possessions']['opp'])
else:
avg_scores['home']['spp']['opp'] = None
if total_scores['away']['possessions']['own'] != 0:
avg_scores['away']['spp']['own'] = (total_scores['away']['total']['own'] , total_scores['away']['possessions']['own'])
else:
avg_scores['away']['spp']['own'] = None
if total_scores['away']['possessions']['opp'] != 0:
avg_scores['away']['spp']['opp'] = (total_scores['away']['total']['opp'] , total_scores['away']['possessions']['opp'])
else:
avg_scores['away']['spp']['opp'] = None
returnDict[current_game] = avg_scores
# reset vars for new game
current_game = row['game_id']
game_counter += 1
total_scores = {
'home': {'team': None, 'total': {'opp':0, 'own':0}, 'possessions': {'opp':0, 'own':0}},
'away': {'team': None, 'total': {'opp':0, 'own':0}, 'possessions': {'opp':0, 'own':0}}
}
teams = homeAwayLookup(current_game)
total_scores['home']['team'] = teams['home']
total_scores['away']['team'] = teams['away']
current_possession_number = -1
totaler = None
event_counter = 0
current_possession = []
whose_event = None
# ignore lines without a possession
if empty(row['possession_number']):
continue
# check if we have a new possession
if row['possession_number'] != current_possession_number:
# add score for the possession
if current_possession_number != -1 and event_counter > 0 and current_possession != []:
if whose_event == totaler['team']:
totaler['total']['own'] += self.pe(current_possession)
totaler['possessions']['own'] += 1
else:
totaler['total']['opp'] += self.pe(current_possession)
totaler['possessions']['opp'] += 1
event_counter -= 1
# reset possession variables
if total_scores['home']['team'] == row['possession_team']:
totaler = total_scores['home']
else:
totaler = total_scores['away']
current_possession_number = row['possession_number']
current_possession = []
if change_event_counter:
event_counter = change_event_counter[0]
whose_event = change_event_counter[1]
change_event_counter = False
# check if we have an event:
if self.ef(row):
change_event_counter = [self.ptt, row['possession_team']]
current_possession.append(row)
return returnDict