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import re, sys, warnings
from bcdd.PBNBoard import PBNBoard
from bcdd.DDTable import DDTable
from bcdd.ParScore import ParScore
from . import DealFormat
from .. import dto
class PBNField(object):
__slots__ = ['key', 'value']
def __init__(self, key, value):
self.key = key
self.value = value
field_regex = re.compile(r'\[(.*) "(.*)"\]')
@staticmethod
def parse_line(line):
match = PBNField.field_regex.match(line)
if match:
return PBNField(key=match.group(1), value=match.group(2))
return PBNField(None, line)
def __repr__(self):
return '[%s "%s"]' % (self.key, self.value) \
if self.key is not None else self.value
class PBNDeal(object):
__slots__ = ['fields']
def parse(self, lines):
self.fields = []
for line in lines:
self.fields.append(PBNField.parse_line(line))
def has_field(self, fieldname):
for field in self.fields:
if field.key == fieldname:
return True
return False
def get_field(self, fieldname, obj=False):
for field in self.fields:
if field.key == fieldname:
return field if obj else field.value
return None
def get_optimum_table(self):
table = []
found = False
for field in self.fields:
if field.key == 'OptimumResultTable':
table.append(str(field))
found = True
else:
if found:
if field.key is None:
table.append(str(field))
else:
break
return table
class PBNFormat(DealFormat):
@property
def suffix(self):
return '.pbn'
def parse_content(self, content):
lines = [line.strip() for line in content.readlines()]
deals = []
current_deal = []
for line in lines:
if len(line):
current_deal.append(line)
else:
deals.append(current_deal)
current_deal = []
if len(current_deal):
deals.append(current_deal)
result = []
for deal in deals:
deal_obj = PBNDeal()
deal_obj.parse(deal)
deal_dto = dto.Deal()
if deal_obj.has_field('Event'):
deal_dto.event = deal_obj.get_field('Event')
if deal_obj.has_field('Board'):
deal_dto.number = int(deal_obj.get_field('Board'))
dealers = {'N': dto.POSITION_NORTH,
'E': dto.POSITION_EAST,
'S': dto.POSITION_SOUTH,
'W': dto.POSITION_WEST}
if deal_obj.has_field('Dealer'):
deal_dto.dealer = dealers[deal_obj.get_field('Dealer')]
else:
deal_dto.dealer = deal_dto.get_dealer(deal_dto.number)
if deal_obj.has_field('Vulnerable'):
vulnerability = deal_obj.get_field('Vulnerable')
for pair in deal_dto.vulnerable:
deal_dto.vulnerable[pair] = vulnerability in [pair, 'All']
else:
deal_dto.vulnerable = deal_dto.get_vulnerability(deal_dto.number)
deal_parts = deal_obj.get_field('Deal').split(':')
dealer = dealers[deal_parts[0]]
hands = deal_parts[1].split(' ')
for hand in range(0, 4):
for i, suit in enumerate(hands[hand].split('.')):
deal_dto.hands[(hand + dealer) % 4][i] = list(suit)
result.append(deal_dto)
if deal_obj.has_field('OptimumResultTable'):
deal_dto.extra_fields += deal_obj.get_optimum_table()
for field in ['Ability', 'Minimax', 'OptimumScore']:
if deal_obj.has_field(field):
deal_dto.extra_fields.append(
str(deal_obj.get_field(field, True)))
return result
def output_content(self, out_file, dealset):
for board in dealset:
lines = []
lines.append('[Event "%s"]' % (board.event))
lines.append('[Board "%d"]' % (board.number))
lines.append('[Dealer "%s"]' % (
'NESW'[board.dealer]
))
lines.append('[Vulnerable "%s"]' % (
('All' if board.vulnerable['EW'] else 'NS') if
board.vulnerable['NS'] else
('EW' if board.vulnerable['EW'] else 'None')
))
lines.append('[Deal "N:%s"]' % (
' '.join([
'.'.join([''.join(suit) for suit in hand])
for hand in board.hands
])))
for field in board.extra_fields:
lines.append(field)
try:
dd_board = PBNBoard(lines)
dd_table = DDTable(dd_board).get_dd_table(self.interactive)
dd_contract = ParScore(dd_board).get_par_contract(dd_table)
dd_board.save_dd_table(dd_table)
dd_board.save_par_contract(dd_contract)
lines = [field.raw_field for field in dd_board.fields]
except Exception as e:
warnings.warn('unable to determine double-dummy data: %s' % e)
for line in lines + ['']:
out_file.write(line + '\r\n')
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