def key_part(part):
"""
returns a comparison key for a part
"""
if part[1] in SUIT_MAP.keys():
# odds
is_pair = part[0] == part[2]
is_suited = part[1] == part[3]
key_rank1 = Rank.from_mnemonic(part[0])
key_rank2 = Rank.from_mnemonic(part[2])
key_suit1 = Suit.from_mnemonic(part[1])
key_suit2 = Suit.from_mnemonic(part[3])
else:
# evens
is_pair = part[0] == part[1]
is_suited = len(part) > 2 and part[2] == "s"
key_rank1 = Rank.from_mnemonic(part[0])
key_rank2 = Rank.from_mnemonic(part[1])
key_suit1 = SPADES # no way to compare, e.g. AA to AhAs
key_suit2 = SPADES # ditto
return [is_pair, is_suited, key_rank1, key_rank2, key_suit1, key_suit2]
def key_part(part):
"""
returns a comparison key for a part
"""
if part[1] in SUIT_MAP.keys():
# odds
is_pair = part[0] == part[2]
is_suited = part[1] == part[3]
key_rank1 = Rank.from_mnemonic(part[0])
key_rank2 = Rank.from_mnemonic(part[2])
key_suit1 = Suit.from_mnemonic(part[1])
key_suit2 = Suit.from_mnemonic(part[3])
else:
# evens
is_pair = part[0] == part[1]
is_suited = len(part) > 2 and part[2] == "s"
key_rank1 = Rank.from_mnemonic(part[0])
key_rank2 = Rank.from_mnemonic(part[1])
key_suit1 = SPADES # no way to compare, e.g. AA to AhAs
key_suit2 = SPADES # ditto
return [is_pair, is_suited, key_rank1, key_rank2, key_suit1, key_suit2]
def _colate_group(g):
"""
takes a list of hands that share a primary rank
may be pairs, suited, or offsuit
returns a list of range parts, e.g. ["AA", "TT", "99"] -> ["AA", "TT-99"]
"""
# pylint:disable=R0912
# I know this code reads weird
if not g:
return []
is_pairs = (g[0][0] == g[0][1])
prefix = g[0][0] # only means anything for non-pair hands
# only means anything for non-pair hands
primary = Rank.from_mnemonic(prefix)
postfix = g[0][2:] # only means anything for non-pair hands
secondaries = [text[1] for text in g]
ranks = [Rank.from_mnemonic(ch) for ch in secondaries]
ranks.sort(reverse=True)
all_ranks = RANKS_HIGH_TO_LOW[:]
# so we have:
# ranks = [A, T, 9]
# all_ranks = [A, K, Q, J, T, 9, 8, 7, 6, 5, 4, 3, 2]
# and we want [A, T-9]
# or as an interim result: [[A], [T, 9]] (we will call this list groups)
groups = []
# algorithm:
# - run down all_ranks until we find a card that matches head of ranks
# - add a new group, and add this rank to the current group
# - keep running down while cards match, adding them to the current group
# - when one doesn't match, set current group to None, as per we started
current_group = None
for rank in all_ranks:
if not ranks:
break
if current_group is None:
if rank == ranks[0]:
current_group = [rank]
del ranks[0]
groups.append(current_group)
else:
if rank == ranks[0]:
current_group.append(rank)
del ranks[0]
else:
current_group = None
results = []
for group in groups:
if len(group) == 1:
if is_pairs:
results.append(RANK_INVERT[group[0]] * 2)
else:
results.append("%s%s%s" % (prefix, RANK_INVERT[group[0]],
postfix))
else:
if is_pairs:
if group[0] == ACE:
results.append("%s+" % (RANK_INVERT[group[-1]] * 2))
else:
results.append("-".join([RANK_INVERT[group[0]] * 2,
RANK_INVERT[group[-1]] * 2]))
else:
# this now may be a "AJs-ATs" type hand or "ATs+" type hand
# the condition is: the secondary of the second element is the
# next lowest rank than the secondary of the first.
if RANKS_LOW_TO_HIGH.index(primary) \
- RANKS_LOW_TO_HIGH.index(group[0]) == 1:
results.append("%s%s%s+" %
(prefix, RANK_INVERT[group[-1]], postfix))
else:
results.append("%s%s%s-%s%s%s" %
(prefix, RANK_INVERT[group[0]], postfix,
prefix, RANK_INVERT[group[-1]], postfix))
return results
def _colate_group(g):
"""
takes a list of hands that share a primary rank
may be pairs, suited, or offsuit
returns a list of range parts, e.g. ["AA", "TT", "99"] -> ["AA", "TT-99"]
"""
# pylint:disable=R0912
# I know this code reads weird
if not g:
return []
is_pairs = (g[0][0] == g[0][1])
prefix = g[0][0] # only means anything for non-pair hands
# only means anything for non-pair hands
primary = Rank.from_mnemonic(prefix)
postfix = g[0][2:] # only means anything for non-pair hands
secondaries = [text[1] for text in g]
ranks = [Rank.from_mnemonic(ch) for ch in secondaries]
ranks.sort(reverse=True)
all_ranks = RANKS_HIGH_TO_LOW[:]
# so we have:
# ranks = [A, T, 9]
# all_ranks = [A, K, Q, J, T, 9, 8, 7, 6, 5, 4, 3, 2]
# and we want [A, T-9]
# or as an interim result: [[A], [T, 9]] (we will call this list groups)
groups = []
# algorithm:
# - run down all_ranks until we find a card that matches head of ranks
# - add a new group, and add this rank to the current group
# - keep running down while cards match, adding them to the current group
# - when one doesn't match, set current group to None, as per we started
current_group = None
for rank in all_ranks:
if not ranks:
break
if current_group is None:
if rank == ranks[0]:
current_group = [rank]
del ranks[0]
groups.append(current_group)
else:
if rank == ranks[0]:
current_group.append(rank)
del ranks[0]
else:
current_group = None
results = []
for group in groups:
if len(group) == 1:
if is_pairs:
results.append(RANK_INVERT[group[0]] * 2)
else:
results.append("%s%s%s" %
(prefix, RANK_INVERT[group[0]], postfix))
else:
if is_pairs:
if group[0] == ACE:
results.append("%s+" % (RANK_INVERT[group[-1]] * 2))
else:
results.append("-".join([
RANK_INVERT[group[0]] * 2, RANK_INVERT[group[-1]] * 2
]))
else:
# this now may be a "AJs-ATs" type hand or "ATs+" type hand
# the condition is: the secondary of the second element is the
# next lowest rank than the secondary of the first.
if RANKS_LOW_TO_HIGH.index(primary) \
- RANKS_LOW_TO_HIGH.index(group[0]) == 1:
results.append("%s%s%s+" %
(prefix, RANK_INVERT[group[-1]], postfix))
else:
results.append("%s%s%s-%s%s%s" %
(prefix, RANK_INVERT[group[0]], postfix,
prefix, RANK_INVERT[group[-1]], postfix))
return results
