Getting a "Cannot be Opened"" error Message

[Larz60+]

def team_average(filename):
    numberOfGames = 0
    soxWins = 0
    try:
        with open(filename, 'r') as file:
            for line in file:
                numberOfGames += 1
                game = line.split()
                scores = game[1]
                scores_list = scores.split('-')
                print('scores_list: {}'.format(scores_list))
                for score in scores_list:
                    if (int(score[0]) - int(score[1])) > 0:
                        soxWins += 1
                    average_win = int(soxWins / numberOfGames) * 100

                    team_average('xxxxxx')
                    print(team_average('red_sox.txt'))
    except:
        print(filename, "Cannot be opened")

team_average('red_sox.txt')

This is why print statements are so useful

results:

Output:
C:\Python35\python.exe M:/python/e-h/f/forum/misc4.py
scores_list: ['Red']
red_sox.txt Cannot be opened

• because score has 'Red' in it, it causes an exception (but not a file exception)
  
• The exception is caught, but displays the wrong message (becuase not being qualified)
  

---

adding one more print statement makes the problem very clear:

def team_average(filename):
    numberOfGames = 0
    soxWins = 0
    try:
        with open(filename, 'r') as file:
            for line in file:
                numberOfGames += 1
                game = line.split()
                print('game: {}'.format(game))
                scores = game[1]
                scores_list = scores.split('-')
                print('scores_list: {}'.format(scores_list))
                for score in scores_list:
                    if (int(score[0]) - int(score[1])) > 0:
                        soxWins += 1
                    average_win = int(soxWins / numberOfGames) * 100

                    team_average('xxxxxx')
                    print(team_average('red_sox.txt'))
    except:
        print(filename, "Cannot be opened")

if __name__ == '__main__':
    team_average('red_sox.txt')

result:

Output:
game: ['2011-07-02', 'Red', 'Sox', '@', 'Astros', 'Win', '7-5']
scores_list: ['Red']
red_sox.txt Cannot be opened