Python Crawler Learning 1

1 #Coding=utf-82  fromUrllib2ImportUrlopen3  fromBs4ImportBeautifulSoup4 ImportUrllib25Url="http://pythonscraping.com/pages/page1.html"6 defgetTitle (URL):7     """8 describe the process of handling the exception9 1. Check to see if the Web page exception type URLLIB2 is open. HttperrorTen 2. Check if the server exists, there is no return empty, then the read is returned Attributeerror One :p Aram URL: A : return: -     """ -     Try: the  -Html=urlopen (URL) -     exceptUrllib2. Httperror as E: - #the error here is that the page does not exist +         Printe -         returnNone +     Try: ABsobj=beautifulsoup (Html.read (),"Html.parser") attitle=bsobj.body.h1 -     exceptAttributeerror as E: -         returnNone -     returntitle -title=getTitle (URL) - ifTitle isNone: in     Print "Title could not being found" - Else: to     PrintTitle

Python Crawler Learning 1