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import re
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)
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):
for field in self.fields:
if field.key == fieldname:
return field.value
return None
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}
deal_dto.dealer = dealers[deal_obj.get_field('Dealer')]
vulnerability = deal_obj.get_field('Vulnerable')
for pair in deal_dto.vulnerable:
deal_dto.vulnerable[pair] = vulnerability in [pair, 'All']
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)
return result
def output_content(self, out_file, deal):
for board in deal:
out_file.write('[Event "%s"]\r\n' % (board.event))
out_file.write('[Board "%d"]\r\n' % (board.number))
out_file.write('[Dealer "%s"]\r\n' % (
'NESW'[board.dealer]
))
out_file.write('[Vulnerable "%s"]\r\n' % (
('All' if board.vulnerable['EW'] else 'NS') if
board.vulnerable['NS'] else
('EW' if board.vulnerable['EW'] else 'None')
))
out_file.write('[Deal "N:%s"]\r\n' % (
' '.join([
'.'.join([''.join(suit) for suit in hand])
for hand in board.hands
])))
out_file.write('\r\n')
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