from baike_spider import url_manager, html_downloader, html_parser, html_outputer


class SpierMain(object):
    def __init__(self):
        self.urls = url_manager.UrlManager()
        self.downloader =html_downloader.HtmlDownloader()
        self.parser =html_parser.HtmlParser()
        self.outputer = html_outputer.HtmlOutputer()


    def craw(self,root_url):
        count=1
        self.urls.add_new_url(root_url)
        while self.urls.has_new_url():
            try:
                new_url =self.urls.get_new_url()
                print ('craw %d : %s' %(count,new_url))
                html_content= self.downloader.download(new_url)
                new_urls,new_data=self.parser.parse(new_url,html_content)
                self.urls.add_new_urls(new_urls)
                self.outputer.collect_data(new_data)

                if count==10:
                    break
                count = count+1
            except:
                print('craw failed')
        self.outputer.output_html()

if __name__=="__main__":
    root_url= "https://baike.baidu.com/item/Python/407313"
    obj_spider = SpierMain()
    obj_spider.craw(root_url)