kennethreitz/dive-into-python3
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Mark Pilgrim
2009-05-30 13:16:22 -07:00
parent f743ad0517
commit 66d126e500
1 changed files with 8 additions and 4 deletions
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http-web-services.html
+8 -4
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@@ -59,7 +59,8 @@ mark{display:inline}
<id>tag:diveintomark.org,2001-07-29:/</id>
<updated>2009-03-27T21:56:07Z</updated>
<link rel="alternate" type="text/html" href="http://diveintomark.org/"/>
&lt;-- rest of feed omitted for brevity --></samp></pre>
&hellip;
</samp></pre>
<ol>
<li>Downloading anything over HTTP is incredibly easy in Python; in fact, it&#8217;s a one-liner. The <code>urllib.request</code> module has a handy <code>urlopen()</code> function that takes the address of the page you want, and returns a file-like object that you can just <code>read()</code> from to get the full contents of the page. It just can&#8217;t get any easier.
</ol>
@@ -341,7 +342,8 @@ class DefaultErrorHandler(urllib2.HTTPDefaultErrorHandler): <span>&#x2460;</s
xml:lang="en">
&lt;title mode="escaped">dive into mark&lt;/title>
&lt;link rel="alternate" type="text/html" href="http://diveintomark.org/"/>
&lt;-- rest of feed omitted for brevity --&gt;</samp>
&hellip;
</samp>
<samp class=p>>>> </samp><kbd>request.add_header('If-None-Match',</kbd>
<samp class=p>... </samp>firstdatastream.headers.get('ETag')) <span>&#x2462;</span>
<samp class=p>>>> </samp><kbd>seconddatastream = opener.open(request)</kbd>
@@ -602,7 +604,8 @@ header: Content-Type: application/atom+xml</span>
xml:lang="en">
&lt;title mode="escaped">dive into mark&lt;/title>
&lt;link rel="alternate" type="text/html" href="http://diveintomark.org/"/>
&lt;-- rest of feed omitted for brevity --&gt;</samp>
&hellip;
</samp>
<samp class=p>>>> </samp><kbd>len(data)</kbd>
15955
</pre>
@@ -711,7 +714,8 @@ def fetch(source, etag=None, last_modified=None, agent=USER_AGENT):
'status': 301,
'data': '&lt;?xml version="1.0" encoding="iso-8859-1"?>
&lt;feed version="0.3"
&lt;-- rest of data omitted for brevity --&gt;'}</samp>
&hellip;
'}</samp>
<samp class=p>>>> </samp><kbd>if params['status'] == 301:</kbd><span>&#x2462;</span>
<samp class=p>... </samp>url = params['url']
<samp class=p>>>> </samp><kbd>newparams = openanything.fetch(</kbd>