allowed_domains = ['stats.nba.com']
start_urls = 'http://stats.nba.com/',

def parse(self, response):
    return self.get_lineup('1610612739', '2008-09')

def get_lineup(self, team_id, season):
    params = {'Season': season, 'SeasonType': 'Regular Season', 'LeagueID':
        '00', 'TeamID': team_id, 'MeasureType': 'Base', 'PerMode': 'Per48',
        'PlusMinus': 'N', 'PaceAdjust': 'N', 'Rank': 'N', 'Outcome': '',
        'Location': '', 'Month': '0', 'SeasonSegment': '', 'DateFrom': '',
        'DateTo': '', 'OpponentTeamID': '0', 'VsConference': '',
        'VsDivision': '', 'GameSegment': '', 'Period': '0', 'LastNGames':
        '0', 'GroupQuantity': '5', 'GameScope': '', 'GameID': '', 'pageNo':
        '1', 'rowsPerPage': '100', 'sortField': 'MIN', 'sortOrder': 'DES'}
crawl dynamic webpage for data using scrapy