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    <p>Going by your posted example:</p> <pre><code>import urllib2 from bs4 import BeautifulSoup url = "http://www.example.com/downlaod" site = urllib2.urlopen(url) html = site.read() soup = BeautifulSoup(html) list_urls = soup.find_all('a') print list_urls[6] </code></pre> <p>So, the URL you want to fetch next is presumably <code>list_urls[6]['href']</code>.</p> <p>The first trick is that this might be a relative URL rather than absolute. So:</p> <pre><code>newurl = list_urls[6]['href'] absurl = urlparse.urljoin(site.url, newurl) </code></pre> <p>Also, you want to only fetch the file if it has the right extension, so:</p> <pre><code>if not absurl.endswith(extensions): return # or break or whatever </code></pre> <p>But once you've decided what URL you want to download, it's no harder than your initial fetch:</p> <pre><code>page = urllib2.urlopen(absurl) html = page.read() path = urlparse.urlparse(absurl).path name = os.path.basename(path) with open(name, 'wb') as f: f.write(html) </code></pre> <p>That's mostly it.</p> <p>There are a few things you might want to add, but if so, you have to add them all manually. For example:</p> <ul> <li>Look for a Content-disposition header with a suggested filename to use in place of the URL's basename.</li> <li><code>copyfile</code> from <code>page</code> to <code>f</code> instead of <code>read</code>ing the whole thing into memory and then <code>write</code>ing it out.</li> <li>Deal with existing files with the same name.</li> <li>…</li> </ul> <p>But that's the basics.</p>
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    1. POHow can i download all types of file in python with request library
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    1. POHow can i download all types of file in python with request library
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    1. COthanks buddy , i will go from there. when u say from `r` to `f` what does it mean. so basically all files are contents which we can write. does not matter if its mp3 or pdf or zip. i was thinking only text files can be read and written
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    2. COSorry, I used `f` as the local file opened by `open` and `r` as the result of `urlopen` (because that's what the docs use when they're not using `f`)… but I should have realized that my own code above called it `page` rather than `r`. I'll edit it, and thanks for pointing it out.
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    3. COAnyway, yes, binary files are still just files. (Except that on Windows, you may have to be careful to use `'wb'` instead of `'w'` so Python doesn't try to "fix text newlines" in files that aren't actually text. If you switch to Python 3.x, the differences between binary and text make a lot more sense, but I don't want to confuse you with that as long as you're using 2.x.) And the whole point of `urllib2` is that it lets you treat web pages just like files. So, really, this is just copying from one file to another.
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