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-rw-r--r--jfr_playoff/tournamentinfo/__init__.py224
1 files changed, 224 insertions, 0 deletions
diff --git a/jfr_playoff/tournamentinfo/__init__.py b/jfr_playoff/tournamentinfo/__init__.py
new file mode 100644
index 0000000..70e341f
--- /dev/null
+++ b/jfr_playoff/tournamentinfo/__init__.py
@@ -0,0 +1,224 @@
+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