1"""LICENSE 

2Copyright 2020 Hermann Krumrey <hermann@krumreyh.com> 

3 

4This file is part of betbot. 

5 

6betbot is free software: you can redistribute it and/or modify 

7it under the terms of the GNU General Public License as published by 

8the Free Software Foundation, either version 3 of the License, or 

9(at your option) any later version. 

10 

11betbot is distributed in the hope that it will be useful, 

12but WITHOUT ANY WARRANTY; without even the implied warranty of 

13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

14GNU General Public License for more details. 

15 

16You should have received a copy of the GNU General Public License 

17along with betbot. If not, see <http://www.gnu.org/licenses/>. 

18LICENSE""" 

19 

20from math import sqrt 

21from typing import List, Tuple 

22from betbot.api.Bet import Bet 

23from betbot.api.Match import Match 

24from betbot.data.OddsPortal import OddsPortal 

25from betbot.prediction.Predictor import Predictor 

26 

27 

28class BettingOddsPredictor(Predictor): 

29 """ 

30 Class that determinalistically predicts matches based on Tipico quotes 

31 """ 

32 

33 @classmethod 

34 def name(cls) -> str: 

35 """ 

36 :return: The name of the predictor 

37 """ 

38 return "betting-odds" 

39 

40 def predict(self, matches: List[Match]) -> List[Bet]: 

41 """ 

42 Performs the prediction 

43 :param matches: The matches to predict 

44 :return: The predictions as Bet objects 

45 """ 

46 bets = [] 

47 oddsportal = OddsPortal() 

48 odds = oddsportal.get_odds(self.league) 

49 for match in matches: 

50 match_tuple = (match.home_team, match.away_team) 

51 match_odds = odds.get(match_tuple) 

52 if match_odds is None: 

53 continue 

54 home_score, away_score = self.generate_scores(*match_odds) 

55 bets.append(Bet(match, home_score, away_score)) 

56 return bets 

57 

58 # noinspection PyMethodMayBeStatic 

59 def generate_scores( 

60 self, 

61 home_odds: float, 

62 draw_odds: float, 

63 away_odds: float 

64 ) -> Tuple[int, int]: 

65 """ 

66 Generates a scoreline based on the quote data 

67 :param home_odds: The odds that the home team wins 

68 :param draw_odds: The odds that the match ends in a draw 

69 :param away_odds: The odds that the away team wins 

70 :return: The generated bet 

71 """ 

72 winner = int(sqrt(abs(home_odds - away_odds) * 2)) 

73 loser = int(min(home_odds, away_odds) - 1) 

74 

75 if home_odds < away_odds: 

76 home_score, away_score = winner, loser 

77 else: 

78 home_score, away_score = loser, winner 

79 

80 if draw_odds > home_odds and draw_odds > away_odds: 

81 home_score += 1 

82 away_score += 1 

83 

84 return home_score, away_score