summaryrefslogtreecommitdiff
path: root/dealconvert/formats/pbn.py
blob: 959ca7b303303f5c94cda324522df6b530604235 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
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)
            if not deal_obj.has_field('Deal'):
                continue
            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:
                if deal_dto.number is not None:
                    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:
                if deal_dto.number is not None:
                    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 not self.options.get('jfr_only', False):
                if deal_obj.has_field('OptimumResultTable'):
                    deal_dto.extra_fields += deal_obj.get_optimum_table()
                if deal_obj.has_field('OptimumScore'):
                    deal_dto.extra_fields.append(
                        str(deal_obj.get_field('OptimumScore', True)))
            for field in ['Ability', 'Minimax']:
                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)
            if self.analyze:
                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, jfr_only=self.options.get('jfr_only', False))
                    dd_board.save_par_contract(dd_contract, jfr_only=self.options.get('jfr_only', False))
                    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'))