Sure,

Below you will find a crawl of http://doc.scrapy.org with a depth of 1 and 
extraction of inlinks only.

http://pastebin.com/wE292pQe

As you can see from the stats the status 200 count is only 13. This is not 
the case if I put my agent-list directly in my module or if I disable my 
middleware.

Thanks

Den fredagen den 21:e mars 2014 kl. 10:55:26 UTC+1 skrev Paul Tremberth:
>
> Can you share logs? 
>
> On Fri, Mar 21, 2014 at 10:53 AM, James Ford 
> <[email protected]<javascript:>> 
> wrote: 
> > Hello, 
> > 
> > I'm having an odd issue with one of my projects. 
> > 
> > I have implemented a custom middleware that rotates user-agent for each 
> > request. 
> > 
> > The middleware works by reading from a file when the middleware is 
> > initialized by putting the contents of the file into a list(in memory). 
> > 
> > According to me this should work fine, but I am getting a large amount 
> of 
> > 400 bad requsts of my crawls? The odd thing is that it works fine if I 
> just 
> > put the agents in a list directly instead of reading from file. 
> > 
> > What can cause this error? Here is my middleware: 
> > 
> > class UserAgentPool(): 
> >     def __init__(self): 
> >         basepath = os.path.dirname(__file__) 
> >         filepath = os.path.abspath(os.path.join(basepath, "agents.txt")) 
> >         with open(filepath, 'r') as f: 
> >             self.agents = f.readlines() 
> > 
> >     def rotate(self): 
> >         log.msg("Rotating user agent", level=log.DEBUG) 
> >         agent = self.agents.pop(0) 
> >         log.msg("Agent popped %s" %agent, level=log.DEBUG) 
> >         log.msg("[%s]" % ", ".join(map(str, self.agents)), 
> level=log.DEBUG) 
> >         self.agents.append(agent) 
> >         return agent 
> > 
> > class UserAgentRotationMiddleware(object): 
> >     def __init__(self): 
> >         self.pool = UserAgentPool() 
> > 
> >     def process_request(self, request, spider): 
> >         if getattr(spider, 'agent_rotation', None): 
> >             agent = self.pool.rotate() 
> >             request.headers.setdefault('User-Agent', agent) 
> >             log.msg("Setting User-Agent to %s" 
> > %request.headers["User-Agent"]) 
> > 
> > 
> > -- 
> > You received this message because you are subscribed to the Google 
> Groups 
> > "scrapy-users" group. 
> > To unsubscribe from this group and stop receiving emails from it, send 
> an 
> > email to [email protected] <javascript:>. 
> > To post to this group, send email to 
> > [email protected]<javascript:>. 
>
> > Visit this group at http://groups.google.com/group/scrapy-users. 
> > For more options, visit https://groups.google.com/d/optout. 
>

-- 
You received this message because you are subscribed to the Google Groups 
"scrapy-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To post to this group, send email to [email protected].
Visit this group at http://groups.google.com/group/scrapy-users.
For more options, visit https://groups.google.com/d/optout.

Reply via email to