def test_is_valid_play(student):
hands = game.deal()
prev = random.choice(common.generate_plays(hands[0]))
retval = []
t_pass = True
retval.append("prev = {0}".format(sorted(prev)))
for play in common.generate_plays(hands[1]):
x = check.compare_solutions(common.is_valid_play, student, t_args=[prev, play])
t_pass = t_pass and x[0]
retval.append(["play = {0}".format(sorted(play)), checkresult2list(x)])
return t_pass, (retval)
def test_is_valid_play(student):
hands = game.deal()
prev = random.choice(common.generate_plays(hands[0]))
retval = []
t_pass = True
retval.append('prev = {0}'.format(sorted(prev)))
for play in common.generate_plays(hands[1]):
x = check.compare_solutions(common.is_valid_play,
student,
t_args=[prev, play])
t_pass = t_pass and x[0]
retval.append(['play = {0}'.format(sorted(play)), checkresult2list(x)])
return t_pass, (retval)
def test_get_valid_plays(student):
hands = game.deal()
retval = []
t_pass = True
for prev in common.generate_plays(hands[0]):
retval.append("prev = {0}".format(sorted(prev)))
for hand in hands[1:]:
x = check.compare_solutions(
common.get_valid_plays,
student,
t_args=[prev, list(hand)],
t_kwargs=dict(generate=common.generate_plays, is_valid=common.is_valid_play),
transform=list2frozenset,
)
t_pass = t_pass and x[0]
retval.append(["hand = {0}".format(sorted(hand)), checkresult2list(x)])
return t_pass, (retval)
def test_get_valid_plays(student):
hands = game.deal()
retval = []
t_pass = True
for prev in common.generate_plays(hands[0]):
retval.append('prev = {0}'.format(sorted(prev)))
for hand in hands[1:]:
x = check.compare_solutions(common.get_valid_plays,
student,
t_args=[prev, list(hand)],
t_kwargs=dict(
generate=common.generate_plays,
is_valid=common.is_valid_play),
transform=list2frozenset)
t_pass = t_pass and x[0]
retval.append(
['hand = {0}'.format(sorted(hand)),
checkresult2list(x)])
return t_pass, (retval)
def play_round(hands,
players,
discard=None,
first_player=0,
invalid_action='pass'):
"""
Execute simulation of one round of gameplay.
"""
if invalid_action not in ['pass', 'raise']:
raise ValueError, "invalid_action cannot be '{0}'".format(
invalid_action)
num_players = len(players)
assert len(hands) == num_players
prev = None #last hand played
if discard is None:
# First round played
discard = [[]]
else:
# add an empty list representing the start of a new round
discard.append([])
indices = range(num_players)
pass_count = 0
last_player = first_player
index = first_player
while True:
player = players[index]
hand = hands[index]
holding = tuple(
len(hands[(index + i) % num_players])
for i in range(1, num_players))
args = [
copy.deepcopy(prev),
list(hand),
copy.deepcopy(discard), holding
]
kwargs = dict(valid=common.get_valid_plays,
generate=common.generate_plays,
is_valid=common.is_valid_play)
call_str = "play({args[0]},{args[1]},{args[2]},{args[3]})".format(
args=args)
try:
# TODO: Suppress stdout
# TODO: impose timelimit
play = player(*args, **kwargs)
except Exception, e:
if DEBUG:
print " {0} failed with exception: '{1}'".format(index, e)
if invalid_action == 'pass':
play = None
elif invalid_action == 'raise':
raise InvalidAction(
"player {0} raised {1}: '{2}'".format(
index, cgi.escape(e.__class__.__name__), e), call_str)
if DEBUG:
if play is None:
print " {0} ({2} cards) --> {1}".format(
index, "pass", len(hands[index]))
else:
print " {0} ({2} cards) --> {1}".format(
index, play,
len(hands[index]) - len(play))
# need to check a play is a valid play
if play and frozenset(play) not in map(frozenset,
common.generate_plays(hand)):
if DEBUG:
print " {0} invalid play {1}".format(index, play)
# Force player to pass if their play is invalid
if invalid_action == 'pass':
play = None
elif invalid_action == 'raise':
raise InvalidAction(
"player {0} attempted invalid play {1}".format(
index, play), call_str)
if prev is None:
if play is None:
if DEBUG:
print " {0} passed as first player".format(index)
if invalid_action == 'pass':
play = None
elif invalid_action == 'raise':
raise InvalidAction(
"player {0} passed as first player".format(index),
call_str)
else:
# need to check a play is valid in the context of the previous play
if not common.is_valid_play(prev, play):
if DEBUG:
print " {0} invalid play {1} -> {2}".format(
index, prev, play)
# Force player to pass if their play is invalid
if invalid_action == 'pass':
play = None
elif invalid_action == 'raise':
raise InvalidAction(
"player {0} attempted invalid play {1} -> {2}".format(
index, prev, play), call_str)
discard[-1].append(play)
if play is None:
pass_count += 1
else:
hand -= set(play)
prev = play
pass_count = 0
last_player = index
# Assess end of round
if len(hands[index]) == 0:
if DEBUG: print "ROUND OVER: Player {0} wins".format(index)
return hands, last_player, True, discard
elif pass_count == num_players:
if DEBUG:
print "ROUND OVER: All passed - LP {0}".format(last_player)
return hands, last_player, False, discard
elif prev is not None and prev[-1][0] == '2':
if DEBUG: print "ROUND OVER: 2 played - LP {0}".format(last_player)
return hands, last_player, False, discard
index = (index + 1) % num_players
def play_round(hands, players, discard=None, first_player=0, invalid_action='pass'):
"""
Execute simulation of one round of gameplay.
"""
if invalid_action not in ['pass', 'raise']:
raise ValueError, "invalid_action cannot be '{0}'".format(invalid_action)
num_players = len(players)
assert len(hands) == num_players
prev = None #last hand played
if discard is None:
# First round played
discard = [[]]
else:
# add an empty list representing the start of a new round
discard.append([])
indices = range(num_players)
pass_count = 0
last_player=first_player
index = first_player
while True:
player = players[index]
hand = hands[index]
holding = tuple(len(hands[(index+i)%num_players]) for i in range(1,num_players))
args = [copy.deepcopy(prev), list(hand), copy.deepcopy(discard), holding]
kwargs = dict(valid=common.get_valid_plays, generate=common.generate_plays,
is_valid=common.is_valid_play)
call_str = "play({args[0]},{args[1]},{args[2]},{args[3]})".format(args=args)
try:
# TODO: Suppress stdout
# TODO: impose timelimit
play = player(*args, **kwargs)
except Exception, e:
if DEBUG: print " {0} failed with exception: '{1}'".format(index, e)
if invalid_action == 'pass':
play = None
elif invalid_action == 'raise':
raise InvalidAction("player {0} raised {1}: '{2}'".format(index, cgi.escape(e.__class__.__name__), e), call_str)
if DEBUG:
if play is None:
print " {0} ({2} cards) --> {1}".format(index, "pass", len(hands[index]))
else:
print " {0} ({2} cards) --> {1}".format(index, play, len(hands[index])-len(play))
# need to check a play is a valid play
if play and frozenset(play) not in map(frozenset,common.generate_plays(hand)):
if DEBUG:
print " {0} invalid play {1}".format(index, play)
# Force player to pass if their play is invalid
if invalid_action=='pass':
play = None
elif invalid_action =='raise':
raise InvalidAction("player {0} attempted invalid play {1}".format(index, play), call_str)
if prev is None:
if play is None:
if DEBUG:
print " {0} passed as first player".format(index)
if invalid_action=='pass':
play = None
elif invalid_action =='raise':
raise InvalidAction("player {0} passed as first player".format(index), call_str)
else:
# need to check a play is valid in the context of the previous play
if not common.is_valid_play(prev, play):
if DEBUG:
print " {0} invalid play {1} -> {2}".format(index, prev, play)
# Force player to pass if their play is invalid
if invalid_action=='pass':
play = None
elif invalid_action =='raise':
raise InvalidAction("player {0} attempted invalid play {1} -> {2}".format(index, prev, play), call_str)
discard[-1].append(play)
if play is None:
pass_count += 1
else:
hand -= set(play)
prev = play
pass_count = 0
last_player = index
# Assess end of round
if len(hands[index]) == 0:
if DEBUG: print "ROUND OVER: Player {0} wins".format(index)
return hands, last_player, True, discard
elif pass_count == num_players:
if DEBUG: print "ROUND OVER: All passed - LP {0}".format(last_player)
return hands, last_player, False, discard
elif prev is not None and prev[-1][0] == '2':
if DEBUG: print "ROUND OVER: 2 played - LP {0}".format(last_player)
return hands, last_player, False, discard
index = (index+1) % num_players