download all mib files from a web page

Chris Rebert clp2 at rebertia.com
Wed May 27 21:11:55 CEST 2009


On Wed, May 27, 2009 at 11:06 AM, powah <wong_powah at yahoo.ca> wrote:
> On May 27, 12:29 pm, powah <wong_po... at yahoo.ca> wrote:
>> I want to download all mib files from the web page:http://www.juniper.net/techpubs/software/junos/junos94/swconfig-net-m...
>>
>> All mib filenames are of this format:www.juniper.net/techpubs... .txt
>>
>> I write this program but has the following error.
>> Please help.
>> Thanks.
>>
>> [code]
>> #!/usr/bin/env python
>> import urllib2,os,urlparse
>> url="http://www.juniper.net/techpubs/software/junos/junos94/swconfig-
>> net-mgmt/juniper-specific-mibs-junos-nm.html#jN18E19"
>> page=urllib2.urlopen(url)
>> f=0
>> links=[]
>> data=page.read().split("\n")
>> for item in data:
>>     if "www.juniper.net/techpubs" in item:
>>         httpind=item.index("www.juniper.net/techpubs")
>>         item=item[httpind:]
>>         #print "item " + item
>>         ind=item.index("<")
>>         links.append(item[:ind]) #grab all links
>> # download all links
>> for link in links:
>>     print "link " + link
>>     filename=link.split("/")[-1]
>>     print "downloading ... " + filename
>>     u=urllib2.urlopen(link)
>>     p=u.read()
>>     open(filename,"w").write(p)
>> [/code]
>>
>> $ ~/python/downloadjuniper.py
>> linkwww.juniper.net/techpubs/software/junos/junos94/swconfig-net-mgmt/mib...
>> downloading ... mib-jnx-user-aaa.txt
>> Traceback (most recent call last):
>>   File "/home/powah/python/downloadjuniper.py", line 20, in ?
>>     u=urllib2.urlopen(link)
>>   File "/usr/lib/python2.4/urllib2.py", line 130, in urlopen
>>     return _opener.open(url, data)
>>   File "/usr/lib/python2.4/urllib2.py", line 350, in open
>>     protocol = req.get_type()
>>   File "/usr/lib/python2.4/urllib2.py", line 233, in get_type
>>     raise ValueError, "unknown url type: %s" % self.__original
>> ValueError: unknown url type:www.juniper.net/techpubs/software/junos/junos94/swconfig-net-mgmt/mib...
>>
>> $ python
>> Python 2.4.4 (#1, Oct 23 2006, 13:58:00)
>> [GCC 4.1.1 20061011 (Red Hat 4.1.1-30)] on linux2
>> Type "help", "copyright", "credits" or "license" for more information.
>>
>>
>>
>> My computer is FC6 linux.
>
> I fixed one error, now if the filename is misspelled, how to ignore
> the error and continue?

Read the fine tutorial: http://docs.python.org/tutorial/errors.html

Cheers,
Chris
-- 
http://blog.rebertia.com



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