'Function to return the list of user-supplied strings'

@staticmethod
def get_user_strings():

    user_file = os.path.join(current.request.folder, 'uploads', 'user_strings.txt')
    strings = []
    COMMENT = 'User    supplied'
    if os.path.exists(user_file):
        f = open(user_file, 'r')
        for line in f:
            line = line.replace('\n', '').replace('\r', '')
            strings.append((COMMENT, line))
        f.close()
    return strings
