def run_solver(solver, all_players, args):
'''
Set objective and constraints, then optimize
'''
variables = []
for player in all_players:
if player.lock and not player.multi_position:
variables.append(solver.IntVar(1, 1, player.solver_id))
else:
variables.append(solver.IntVar(0, 1, player.solver_id))
objective = solver.Objective()
objective.SetMaximization()
# optimize on projected points
for i, player in enumerate(all_players):
objective.SetCoefficient(variables[i], player.proj)
# set multi-player constraint
multi_caps = {}
for i, p in enumerate(all_players):
if not p.multi_position:
continue
if p.name not in multi_caps:
if p.lock:
multi_caps[p.name] = solver.Constraint(1, 1)
else:
multi_caps[p.name] = solver.Constraint(0, 1)
multi_caps[p.name].SetCoefficient(variables[i], 1)
# set salary cap constraint
salary_cap = solver.Constraint(0, cons.SALARY_CAP)
for i, player in enumerate(all_players):
salary_cap.SetCoefficient(variables[i], player.cost)
# set roster size constraint
size_cap = solver.Constraint(cons.ROSTER_SIZE[args.l],
cons.ROSTER_SIZE[args.l])
for variable in variables:
size_cap.SetCoefficient(variable, 1)
# set position limit constraint
for position, min_limit, max_limit in cons.POSITIONS[args.l]:
position_cap = solver.Constraint(min_limit, max_limit)
for i, player in enumerate(all_players):
if position == player.pos:
position_cap.SetCoefficient(variables[i], 1)
# set G / F NBA position limits
if args.l == 'NBA':
for general_position, min_limit, max_limit in \
cons.NBA_GENERAL_POSITIONS:
position_cap = solver.Constraint(min_limit, max_limit)
for i, player in enumerate(all_players):
if general_position == player.nba_general_position:
position_cap.SetCoefficient(variables[i], 1)
# max out at one player per team (allow QB combos)
team_limits = set([(p.team, 0, 1) for p in all_players])
if args.limit != 'n':
for team, min_limit, max_limit in team_limits:
team_cap = solver.Constraint(min_limit, max_limit)
for i, player in enumerate(all_players):
if team.upper() == player.team.upper() and \
player.pos != 'QB':
team_cap.SetCoefficient(variables[i], 1)
# force QB / WR or QB / TE combo on specified team
if args.duo != 'n':
all_teams = set(p.team for p in all_players)
if args.duo.upper() not in all_teams:
raise dke.InvalidNFLTeamException(
'You need to pass in a valid NFL team ' +
'abbreviation to use this option. ' +
'See valid team abbreviations here: ' + str(all_teams))
for pos, min_limit, max_limit in cons.DUO_TYPE[args.dtype.lower()]:
position_cap = solver.Constraint(min_limit, max_limit)
for i, player in enumerate(all_players):
if pos == player.pos and \
player.team.upper() == args.duo.upper():
position_cap.SetCoefficient(variables[i], 1)
return variables, solver.Solve()
def run_solver(solver, all_players, max_flex, args):
'''
Set objective and constraints, then optimize
'''
variables = []
for player in all_players:
if player.lock:
variables.append(solver.IntVar(1, 1, player.name))
else:
variables.append(solver.IntVar(0, 1, player.name))
objective = solver.Objective()
objective.SetMaximization()
# optimize on projected points
for i, player in enumerate(all_players):
objective.SetCoefficient(variables[i], player.proj)
# set salary cap constraint
salary_cap = solver.Constraint(0, cons.SALARY_CAP)
for i, player in enumerate(all_players):
salary_cap.SetCoefficient(variables[i], player.cost)
# set roster size constraint
size_cap = solver.Constraint(cons.ROSTER_SIZE[args.l],
cons.ROSTER_SIZE[args.l])
for variable in variables:
size_cap.SetCoefficient(variable, 1)
# set position limit constraint
for position, min_limit, max_limit in cons.POSITIONS[args.l]:
position_cap = solver.Constraint(min_limit, max_limit)
for i, player in enumerate(all_players):
if position == player.pos:
position_cap.SetCoefficient(variables[i], 1)
# max out at one player per team (allow QB combos)
if args.limit != 'n':
for team, min_limit, max_limit in cons.COMBO_TEAM_LIMITS_NFL:
team_cap = solver.Constraint(min_limit, max_limit)
for i, player in enumerate(all_players):
if team.upper() == player.team.upper() and \
player.pos != 'QB':
team_cap.SetCoefficient(variables[i], 1)
# force QB / WR or QB / TE combo on specified team
if args.duo != 'n':
if args.duo.upper() not in cons.ALL_NFL_TEAMS:
raise dke.InvalidNFLTeamException(
'You need to pass in a valid NFL team ' +
'abbreviation to use this option. ' +
'See valid team abbreviations here: '
+ str(cons.ALL_NFL_TEAMS))
for pos, min_limit, max_limit in cons.DUO_TYPE[args.dtype.lower()]:
position_cap = solver.Constraint(min_limit, max_limit)
for i, player in enumerate(all_players):
if pos == player.pos and \
player.team.upper() == args.duo.upper():
position_cap.SetCoefficient(variables[i], 1)
return variables, solver.Solve()
