urlparse | 易学教程

What are the URL parameters? (element at position #3 in urlparse result)

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问题 I've taken a look to urlparse.urlparse method documentation and I'm a little bit confused about what is the parameters part (not to be confused with the more familiar query part, that is what goes after the question mark and before the fragment part). Wikipedia entry on URL's structure doesn't say anything about that, so could please anybody elaborate a little bit on this and possibly give some examples? 回答1: fascinating, this is the first time I've encounter them, found this http:/

Python urlparse — extract domain name without subdomain

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Need a way to extract a domain name without the subdomain from a url using Python urlparse. For example, I would like to extract "google.com" from a full url like "http://www.google.com" . The closest I can seem to come with urlparse is the netloc attribute, but that includes the subdomain, which in this example would be www.google.com . I know that it is possible to write some custom string manipulation to turn www.google.com into google.com, but I want to avoid by-hand string transforms or regex in this task. (The reason for this is that I am not familiar enough with url formation rules to

Python script to see if a web page exists without downloading the whole page?

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问题 I'm trying to write a script to test for the existence of a web page, would be nice if it would check without downloading the whole page. This is my jumping off point, I've seen multiple examples use httplib in the same way, however, every site I check simply returns false. import httplib from httplib import HTTP from urlparse import urlparse def checkUrl(url): p = urlparse(url) h = HTTP(p[1]) h.putrequest('HEAD', p[2]) h.endheaders() return h.getreply()[0] == httplib.OK if __name__=="__main_

How do you strip out the domain name from a URL in php?

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问题 Im looking for a method (or function) to strip out the domain.ext part of any URL thats fed into the function. The domain extension can be anything (.com, .co.uk, .nl, .whatever), and the URL thats fed into it can be anything from http://www.domain.com to www.domain.com/path/script.php?=whatever Whats the best way to go about doing this? 回答1: parse_url turns a URL into an associative array: php > $foo = "http://www.example.com/foo/bar?hat=bowler&accessory=cane"; php > $blah = parse_url($foo);

Python urlparse — extract domain name without subdomain

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问题 Need a way to extract a domain name without the subdomain from a url using Python urlparse. For example, I would like to extract \"google.com\" from a full url like \"http://www.google.com\" . The closest I can seem to come with urlparse is the netloc attribute, but that includes the subdomain, which in this example would be www.google.com . I know that it is possible to write some custom string manipulation to turn www.google.com into google.com, but I want to avoid by-hand string transforms