Executing Javascript, then reading value

[Diez B. Roggisch]

Melih Onvural schrieb:
> I need to execute some javascript and then read the value as part of a 
> program that I am writing. I am currently doing something like this:
> 
> import htmllib, urllib, formatter
> 
> class myparser(htmllib.HTMLParser):
> 	insave = 0
> 	def start_div(self, attrs):
> 		for i in attrs:
> 			if i[0] == "id" and i[1] == "pr":
> 				self.save_bgn()
> 				self.insave = 1
> 
> 	def end_div(self):
> 		if self.insave == 1:
> 			print self.save_end()
> 		self.insave = 0
> 
> parser = myparser(formatter.NullFormatter())
> 
> #def getPageRank(self, url):
> try:
> 	learn_url = "http://127.0.0.1/research/getPageRank.html?q=http://
> www.yahoo.com&"
> 	pr_url = urllib.urlopen(learn_url)
> 	parser.feed(pr_url.read())
> except IOError, e:
> 	print e
> 
> but the result is the javascript function and not the calculated 
> value. Is there anyway to get the javascript to execute first, and 
> then return to me the value? thanks in advance,

Do it in a browser. There are ways to automate one, for example the 
webbrowser module, and others.

Then rework your script to work with AJAX.

Diez