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POHandle non standard 401 headers with machanize
 

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    <p>I am trying to automate login to this page <a href="http://portal.globaltransit.net/" rel="nofollow">http://portal.globaltransit.net/</a> the thing is the page return a 401 header when you first reach the page but does not show standerd bassic http auth page rather a http form. Here is the output of <code>curl -vvv http://portal.globaltransit.net/</code></p> <pre><code>* About to connect() to portal.globaltransit.net port 80 (#0) * Trying 124.158.236.65... connected * Connected to portal.globaltransit.net (124.158.236.65) port 80 (#0) &gt; GET / HTTP/1.1 &gt; User-Agent: curl/7.19.7 (i486-pc-linux-gnu) libcurl/7.19.7 OpenSSL/0.9.8k zlib/1.2.3.3 libidn/1.15 &gt; Host: portal.globaltransit.net &gt; Accept: */* &gt; &lt; HTTP/1.1 401 Unauthorized &lt; Date: Thu, 14 Nov 2013 07:18:06 GMT &lt; Server: Apache &lt; X-Powered-By: PHP/5.2.11 &lt; Set-Cookie: symfony=1960d9b76a5f9fc3b00786e126cc69af; path=/ &lt; Content-Length: 1211 &lt; Content-Type: text/html; charset=utf-8 &lt; &lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt; &lt;html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"&gt; &lt;head&gt; &lt;meta http-equiv="Content-Type" content="text/html; charset=utf-8" /&gt; &lt;title&gt;&lt;/title&gt; &lt;link rel="shortcut icon" href="/favicon.ico" /&gt; &lt;link rel="stylesheet" type="text/css" media="screen" href="/css/main.css" /&gt; &lt;/head&gt; &lt;body&gt; &lt;form action="/login" method="post"&gt; &lt;table&gt; &lt;tr&gt; &lt;th&gt;&lt;label for="signin_username"&gt;Username&lt;/label&gt;&lt;/th&gt; &lt;td&gt;&lt;input type="text" name="signin[username]" id="signin_username" /&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;th&gt;&lt;label for="signin_password"&gt;Password&lt;/label&gt;&lt;/th&gt; &lt;td&gt;&lt;input type="password" name="signin[password]" id="signin_password" /&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;th&gt;&lt;label for="signin_remember"&gt;Remember&lt;/label&gt;&lt;/th&gt; &lt;td&gt;&lt;input type="checkbox" name="signin[remember]" id="signin_remember" /&gt;&lt;input type="hidden" name="signin[_csrf_token]" value="6bdf80ca900038ada394467752593135" id="signin__csrf_token" /&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;input type="submit" value="sign in" /&gt; &lt;a href="/request_password"&gt;Forgot your password?&lt;/a&gt; &lt;/form&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>when i try to use machanize to load the page with the following script</p> <pre><code>import mechanize import mimetypes import logging import urllib2 from urlparse import urlparse import cookielib from base64 import b64encode class Browser: def __init__(self, url): br = mechanize.Browser() br.set_handle_robots(False) # no robots br.set_handle_refresh(False) br.set_handle_redirect(True) br.set_debug_http(True) cj = cookielib.LWPCookieJar() br.set_cookiejar(cj) # can sometimes hang without this br.addheaders = [('User-agent', 'Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.1) Gecko/2008071615 Fedora/3.0.1-1.fc9 Firefox/3.0.1')] self.page = br.open(url).read() print self.page if __name__ == '__main__': browser = Browser("http://portal.globaltransit.net/") </code></pre> <p>I get the following error <code>mechanize._response.httperror_seek_wrapper: HTTP Error 401: Unauthorized</code>. I was wondering if there any way to get mechanize to ignore the 401 returned by the server so I can process the form.</p>
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    1. COif you are trying to ignore an error couldn't you just use try and catch?
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