a crawler to help abed

abed.py

from splinter import Browser

class Abed(object):

    def save_name(self, name):
        self.open_file.write(name.encode('utf-8') + '\n')

    def prepare(self):
        self.browser = Browser()

    def kill_browser(self):
        self.browser.quit()

    def open(self):
        self.open_file = open('nomes_%s.txt' % self.sex, 'w')

    def close(self):
        self.open_file.close()

    def how_many_pages(self):
        if self.sex == 'femininos':
            return 129
        return 178

    def extract(self, sex='masculinos'):
        self.sex = sex
        self.open()
        self.prepare()

        url = 'http://www.dicionariodenomesproprios.com.br/nomes-%s/' % self.sex
        pages_num = self.how_many_pages()

        for i in range(1, pages_num):
            self.browser.visit(url + str(i))
            elems = self.browser.find_by_css('.box-list dt')
            for elem in elems:
                self.save_name(elem.text)

        self.kill_browser()
        self.close()