summaryrefslogtreecommitdiff
path: root/jfr_playoff/tournamentinfo.py
blob: 70e341f8d18449097225528aafc1f0020b673fb9 (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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
from math import ceil
import re

import jfr_playoff.sql as p_sql
from jfr_playoff.remote import RemoteUrl as p_remote
from jfr_playoff.logger import PlayoffLogger

SWISS_TIE_WARNING = 'tie detected in swiss %s.' + \
                    ' Make sure to resolve the tie by arranging teams' + \
                    ' in configuration file.'


class TournamentInfo:

    def __init__(self, settings, database):
        self.settings = settings
        self.database = database

    def __get_html_results(self):
        if 'link' not in self.settings:
            raise KeyError('link not configured')
        if not self.settings['link'].endswith('leaderb.html'):
            raise ValueError('invalid link to tournament results')
        PlayoffLogger.get('tournamentinfo').info(
            'fetching tournament results from leaderboard URL: %s',
            self.settings['link'])
        leaderboard = p_remote.fetch(self.settings['link'])
        result_links = [
            row.select('a[onmouseover]')
            for row
            in leaderboard.find_all('tr')
            if len(row.select('a[onmouseover]')) > 0]
        results = [None] * (len(result_links) * max([
            len(links) for links in result_links]))
        for i in range(0, len(result_links)):
            for j in range(0, len(result_links[i])):
                results[len(result_links) * j + i] = result_links[i][j]
        teams = []
        team_links = {}
        for team in results:
            if team is not None:
                team_info = []
                fullname = team.text.strip(u'\xa0')
                team_links[team['href']] = fullname
                team_info.append(fullname)
                team_info.append('')
                team_image = team.find('img')
                if team_image is not None:
                    team_info.append(team_image['src'].replace('images/', ''))
                teams.append(team_info)
        PlayoffLogger.get('tournamentinfo').info(
            'read tournament results from leaderboard: %s', teams)
        for table in range(1, int(ceil(len(teams)/2.0))+1):
            table_url = self.get_results_link('1t%d-1.html' % (table))
            table_content = p_remote.fetch(table_url)
            PlayoffLogger.get('tournamentinfo').info(
                'reading team shortnames from traveller: %s', table_url)
            for link in table_content.select('a.br'):
                if link['href'] in team_links:
                    for team in teams:
                        if team[0] == team_links[link['href']]:
                            team[1] = link.text.strip(u'\xa0')
                            PlayoffLogger.get('tournamentinfo').info(
                                'shortname for %s: %s', team[0], team[1])
                            break
        PlayoffLogger.get('tournamentinfo').info(
            'tournament results from HTML: %s', teams)
        return teams

    def __get_db_results(self):
        if self.database is None:
            raise KeyError('database not configured')
        if 'database' not in self.settings:
            raise KeyError('database not configured')
        if 'ties' not in self.settings:
            self.settings['ties'] = []
        swiss_teams = self.database.fetch_all(
            self.settings['database'], p_sql.SWISS_RESULTS, {})
        swiss_results = sorted(
            swiss_teams,
            key=lambda t: self.settings['ties'].index(t[0]) \
            if t[0] in self.settings['ties'] else -1)
        swiss_results = sorted(
            swiss_results, key=lambda t: t[1], reverse=True)
        swiss_results = sorted(swiss_results, key=lambda team: team[2])
        PlayoffLogger.get('tournamentinfo').info(
            'fetched tournament results from database %s: %s',
            self.settings['database'], swiss_results)
        prev_result = None
        for team in swiss_results:
            if prev_result == team[1]:
                PlayoffLogger.get('tournamentinfo').warning(
                    SWISS_TIE_WARNING, self.settings['database'])
            prev_result = team[1]
        db_teams = [[team[0], team[3], team[4]] for team in swiss_results]
        PlayoffLogger.get('tournamentinfo').info(
            'fetched team list from database %s: %s',
            self.settings['database'], db_teams)
        return db_teams

    def __get_html_finished(self):
        if 'link' not in self.settings:
            raise KeyError('link not configured')
        if not self.settings['link'].endswith('leaderb.html'):
            raise ValueError('invalid tournament leaderboard link')
        PlayoffLogger.get('tournamentinfo').info(
            'fetching tournament finished status from HTML: %s',
            self.settings['link'])
        leaderboard = p_remote.fetch(self.settings['link'])
        leaderb_heading = leaderboard.select('td.bdnl12')[0].text
        contains_digits = any(char.isdigit() for char in leaderb_heading)
        PlayoffLogger.get('tournamentinfo').info(
            'tournament header from HTML: %s, %s',
            leaderb_heading,
            'contains digits' if contains_digits else "doesn't contain digits")
        non_zero_scores = [
            imps.text
            for imps
            in leaderboard.select('td.bdc small')
            if imps.text != '0-0']
        PlayoffLogger.get('tournamentinfo').info(
            'tournament leaderboard from HTML: has %d non-zero scores',
            len(non_zero_scores))
        finished = (not contains_digits) and (len(non_zero_scores) > 0)
        PlayoffLogger.get('tournamentinfo').info(
            'tournament leaderboard from HTML indicates finished: %s',
            finished)
        return finished

    def __get_db_finished(self):
        if self.database is None:
            raise KeyError('database not configured')
        if 'database' not in self.settings:
            raise KeyError('database not configured')
        finished = self.database.fetch(
            self.settings['database'], p_sql.SWISS_ENDED, {})
        PlayoffLogger.get('tournamentinfo').info(
            'fetching tournament finished status from DB %s: %s',
            self.settings['database'], finished)
        return (len(finished) > 0) and (finished[0] > 0)

    def __get_html_link(self, suffix='leaderb.html'):
        if 'link' not in self.settings:
            raise KeyError('link not configured')
        if not self.settings['link'].endswith('leaderb.html'):
            raise ValueError('invalid tournament leaderboard link')
        link = re.sub(r'leaderb.html$', suffix, self.settings['link'])
        PlayoffLogger.get('tournamentinfo').info(
            'generating tournament-specific link from leaderboard link %s: %s -> %s',
            self.settings['link'], suffix, link)
        return link

    def __get_db_link(self, suffix='leaderb.html'):
        if self.database is None:
            raise KeyError('database not configured')
        if 'database' not in self.settings:
            raise KeyError('database not configured')
        row = self.database.fetch(
            self.settings['database'], p_sql.PREFIX, ())
        if row is not None:
            if len(row) > 0:
                link = row[0] + suffix
                PlayoffLogger.get('tournamentinfo').info(
                    'generating tournament-specific link from DB %s prefix: %s -> %s',
                    self.settings['database'], suffix, link)
                return link
        raise ValueError('unable to fetch db link')

    def get_tournament_results(self):
        teams = []
        try:
            teams = self.__get_db_results()
        except (IOError, TypeError, IndexError, KeyError) as e:
            PlayoffLogger.get('tournamentinfo').warning(
                'cannot determine tournament results from DB: %s(%s)',
                type(e).__name__, str(e))
            try:
                teams = self.__get_html_results()
            except (TypeError, IndexError, KeyError, IOError, ValueError) as e:
                PlayoffLogger.get('tournamentinfo').warning(
                    'cannot determine tournament results from HTML: %s(%s)',
                    type(e).__name__, str(e))
        if self.is_finished():
            final_positions = self.settings.get('final_positions', [])
            PlayoffLogger.get('tournamentinfo').info(
                'setting final positions from tournament results: %s',
                final_positions)
            for position in final_positions:
                if len(teams) >= position:
                    teams[position-1] = (teams[position-1] + [None] * 4)[0:4]
                    teams[position-1][3] = position
        return teams

    def is_finished(self):
        try:
            return self.__get_db_finished()
        except (IOError, TypeError, IndexError, KeyError) as e:
            PlayoffLogger.get('tournamentinfo').warning(
                'cannot determine tournament finished status from DB: %s(%s)',
                type(e).__name__, str(e))
            try:
                return self.__get_html_finished()
            except (TypeError, IndexError, KeyError, IOError, ValueError) as e:
                PlayoffLogger.get('tournamentinfo').warning(
                    'cannot determine tournament finished status from HTML: %s(%s)',
                    type(e).__name__, str(e))
        PlayoffLogger.get('tournamentinfo').info(
            'assuming tournament is finished')
        return True

    def get_results_link(self, suffix='leaderb.html'):
        try:
            return self.__get_db_link(suffix)
        except (IOError, TypeError, IndexError, KeyError) as e:
            PlayoffLogger.get('tournamentinfo').warning(
                'cannot determine tournament link from DB: %s(%s)',
                type(e).__name__, str(e))
            try:
                return self.__get_html_link(suffix)
            except (KeyError, ValueError):
                PlayoffLogger.get('tournamentinfo').warning(
                    'cannot determine tournament link from HTML: %s(%s)',
                    type(e).__name__, str(e))
        return None