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POURL works fine from browser or wget, but comes up empty from Python or cURL
 

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  1. POURL works fine from browser or wget, but comes up empty from Python or cURL
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    <p>When I try to open <a href="http://www.comicbookdb.com/browse.php">http://www.comicbookdb.com/browse.php</a> (which works fine in my browser) from Python, I get an empty response:</p> <pre><code>&gt;&gt;&gt; import urllib.request &gt;&gt;&gt; content = urllib.request.urlopen('http://www.comicbookdb.com/browse.php') &gt;&gt;&gt; print(content.read()) b'' </code></pre> <p>The same also happens when I set a User-agent:</p> <pre><code>&gt;&gt;&gt; opener = urllib.request.build_opener() &gt;&gt;&gt; opener.addheaders = [('User-agent', 'Mozilla/5.0')] &gt;&gt;&gt; content = opener.open('http://www.comicbookdb.com/browse.php') &gt;&gt;&gt; print(content.read()) b'' </code></pre> <p>Or when I use httplib2 instead:</p> <pre><code>&gt;&gt;&gt; import httplib2 &gt;&gt;&gt; h = httplib2.Http('.cache') &gt;&gt;&gt; response, content = h.request('http://www.comicbookdb.com/browse.php') &gt;&gt;&gt; print(content) b'' &gt;&gt;&gt; print(response) {'cache-control': 'no-store, no-cache, must-revalidate, post-check=0, pre-check=0', 'content-location': 'http://www.comicbookdb.com/browse.php', 'expires': 'Thu, 19 Nov 1981 08:52:00 GMT', 'content-length': '0', 'set-cookie': 'PHPSESSID=590f5997a91712b7134c2cb3291304a8; path=/', 'date': 'Wed, 25 Dec 2013 15:12:30 GMT', 'server': 'Apache', 'pragma': 'no-cache', 'content-type': 'text/html', 'status': '200'} </code></pre> <p>Or when I try to download it using cURL:</p> <pre><code>C:\&gt;curl -v http://www.comicbookdb.com/browse.php * About to connect() to www.comicbookdb.com port 80 * Trying 208.76.81.137... * connected * Connected to www.comicbookdb.com (208.76.81.137) port 80 &gt; GET /browse.php HTTP/1.1 User-Agent: curl/7.13.1 (i586-pc-mingw32msvc) libcurl/7.13.1 zlib/1.2.2 Host: www.comicbookdb.com Pragma: no-cache Accept: */* &lt; HTTP/1.1 200 OK &lt; Date: Wed, 25 Dec 2013 15:20:06 GMT &lt; Server: Apache &lt; Expires: Thu, 19 Nov 1981 08:52:00 GMT &lt; Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 &lt; Pragma: no-cache &lt; Set-Cookie: PHPSESSID=0a46f2d390639da7eb223ad47380b394; path=/ &lt; Content-Length: 0 &lt; Content-Type: text/html * Connection #0 to host www.comicbookdb.com left intact * Closing connection #0 </code></pre> <p>Opening the URL in a browser or downloading it with Wget seems to work fine, though:</p> <pre><code>C:\&gt;wget http://www.comicbookdb.com/browse.php --16:16:26-- http://www.comicbookdb.com/browse.php =&gt; `browse.php' Resolving www.comicbookdb.com... 208.76.81.137 Connecting to www.comicbookdb.com[208.76.81.137]:80... connected. HTTP request sent, awaiting response... 200 OK Length: unspecified [text/html] [ &lt;=&gt; ] 40,687 48.75K/s 16:16:27 (48.75 KB/s) - `browse.php' saved [40687] </code></pre> <p>As does downloading a different file from the same server:</p> <pre><code>&gt;&gt;&gt; content = urllib.request.urlopen('http://www.comicbookdb.com/index.php') &gt;&gt;&gt; print(content.read(100)) b'&lt;!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"\n\t\t"http://www.w3.org/TR/1999/REC-html' </code></pre> <p>So why doesn't the other URL work?</p>
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    1. COall worked for me.
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      1. USSabuj Hassan
 

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