html - Python Parsing user defined values -


i trying change:-

import urllib2 urllib ... ... file2 = urllib.urlopen(url2) ... ... line in file2:     indexfrom2 = line.find('mean temperature')     if indexfrom2 > -1:         nxtln = file2.next()         nextline = file2.next()         indexfrom21 = nextline.find('"nobr"')         if indexfrom21 > -1:             indexto21 = nextline.find('</span>&nbsp;&deg;c</span>',indexfrom21)         code2 = nextline[indexfrom21+23:indexto21]         print code2

and make like:- 

class (...)   def ....   temperature = parse( file2, '<span>mean temperature</span></td>', '<b>' )

but i'm not sure how it. above set of codes want parse repeated different values , want keep short using parsing function forms set or loop don't have repeat codes again , again. [for every value (like mean temp, max temp, humidity, pressure, etc.), code repeated on script, kinda looks unprofessional].

you want using beautifulsoup this. it's canonical way parse html (and works pretty in horrible edge cases). if continue current approach, you're relying on things line numbers , code pretty brittle in face of minor document structure changes.

http://www.crummy.com/software/beautifulsoup/


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