Re: Retrieve Custom 404 page.

[Albert Hopkins]

On Mon, 2008-11-17 at 13:59 -0800, godavemon wrote:

I'm using urllib2 to pull pages for a custom version of a web proxy
and am having issues with 404 errors. Urllib2 does a great job of
letting me know that a 404 happened with the following code.

import urllib2
url = 'http://cnn.com/asfsdafsadfasdf/'
try:
page = urllib2.urlopen( url )
except urllib2.URLError, e:
print e

returns: HTTP Error 404: Not Found

>From the urllib2 docs: HTTPError is also a valid HTTP response, so you

can treat an HTTP error as an exceptional event or a valid response:

import urllib2
url = 'http://cnn.com/asfsdafsadfasdf/'
try:
page = urllib2.urlopen(url)
except urllib2.URLError, e:
print e.read()

>
http://cnn.com/asdfasdfadsf

[godavemon]

Perfect! Thanks!

On Nov 17, 4:16*pm, Albert Hopkins <[e-mail]:

On Mon, 2008-11-17 at 13:59 -0800, godavemon wrote:

I'm using urllib2 to pull pages for a custom version of a web proxy
and am having issues with 404 errors. *Urllib2 does a great job of
letting me know that a 404 happened with the following code.

import urllib2
url = 'http://cnn.com/asfsdafsadfasdf/'
try:
* * page = urllib2.urlopen( url )
except urllib2.URLError, e:
* * print e

returns: HTTP Error 404: Not Found
From the urllib2 docs: HTTPError is also a valid HTTP response, so you

can treat an HTTP error as an exceptional event or a valid response:

import urllib2
url = 'http://cnn.com/asfsdafsadfasdf/'
try:
* * page = urllib2.urlopen(url)
except urllib2.URLError, e:
* * print e.read()

http://cnn.com/asdfasdfadsf