def __init__(self, teams=Teams.MLB, year='2015', playoffs=False, csv_mode=''):
""" Prep class for scrapping for information.
"""
if teams in Teams.LEAGUES:
teams = Teams.TEAMS[teams](year)
else:
if not Teams.valid_teams_subset(year, teams):
raise ValueError('{} contains one or more invalid entries.'
.format(teams))
self.year = year
self.teams = teams
self.playoffs = playoffs
self.base_url = 'http://www.baseball-reference.com/'
self.team_post = '-schedule-scores.shtml'
self.csv = 'CSV'
if csv_mode not in CSV:
raise ValueError('{} is not found in {}.'
.format(csv_mode, CSV))
self.csv_mode = csv_mode
self.delimiter = ';'
