Question RE urllib

Tobiah toby at tobiah.org
Tue Dec 17 17:25:48 CET 2013


On 12/17/2013 08:10 AM, Larry Martell wrote:
> On Tue, Dec 17, 2013 at 10:26 AM, Jeff James <jeff at jeffljames.com <mailto:jeff at jeffljames.com>> wrot
>
>>     So I'm using the following script to check our sites to make sure they are all up and some of them are reporting they are
>>     "down" when, in fact, they are actually up.   These sites do not require a logon in order for the home page to come up.  Could
>>     this be due to some port being blocked internally ?  Only one of the sites reporting as down is "https" but all are internal
>>     sites.  Is there some other component I should be including in the script ?  There are about 30 or 40 sites that I have listed
>>     in all.  I just use those in the following script as examples.   Thanks
>>
>>     import urllib
>>
>>     sites = ["http://www.amazon.com/", "https://internalsite.com/intranet.html", etc.]
>>
>>     for site in sites:
>>         try:
>>             urllib.urlopen(site)
>>             print site + " "
>>         except Exception, e:
>>             print site + " is down"
>>     --
>>     https://mail.python.org/mailman/listinfo/python-list
>
>     I've never used urllib, although I've done a fair amount of network programming at lower levels.
>
>     Are you sure the report of "down" isn't simply a time out due to the server being busier than you expect when you hit it?
>
>     -Bill
>
>     After adding the line suggested by Larry, I was able to determine that the URLs reporting as "down" were actually sites
>     requiring authentication in order to provide site content, so adding that line to the handler was at least enlightening in that
>     respect.  Thanks Larry.
>
> Glad to help. Here is some info on authenticating with urllib:
>
> http://docs.python.org/2.7/howto/urllib2.html#id6
>
>


It must be a network problem, cuz your code works fine:

:w !python
http://www.amazon.com/
http://google.com
http://tobiah.org
http://notavalidurl.com
http://superreallyforsurenotavalidurlnokidding.com is down

Tobiah



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