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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__, e.message)
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__, e.message)
if self.is_finished() and 'final_positions' in self.settings:
PlayoffLogger.get('tournamentinfo').info(
'setting final positions from tournament results: %s',
self.settings['final_positions'])
for position in self.settings['final_positions']:
if len(teams) >= position:
teams[position-1].append(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__, e.message)
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__, e.message)
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__, e.message)
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__, e.message)
return None
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