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POEmulating a browser to download a file?
 

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    <p>There's an FLV file on the web that can be downloaded directly in Chrome. The file is a television program, published by CCTV (China Central Television). CCTV is a non-profit, state-owned broadcaster, financed by the Chinese tax payer, which allows us to download their content without infringing copyrights.</p> <p>Using <code>wget</code>, I can download the file from a different address, but not from the address that works in Chrome.</p> <p>This is what I've tried to do:</p> <pre><code>url='http://114.80.235.200/f4v/94/163005294.h264_1.f4v?10000&amp;key=7b9b1155dc632cbab92027511adcb300401443020d&amp;amp;playtype=1&amp;amp;tk=163659644989925531390490125&amp;amp;brt=2&amp;amp;bc=0&amp;amp;nt=0&amp;amp;du=1496650&amp;amp;ispid=23&amp;amp;rc=200&amp;amp;inf=1&amp;amp;si=11000&amp;amp;npc=1606&amp;amp;pp=0&amp;amp;ul=2&amp;amp;mt=-1&amp;amp;sid=10000&amp;amp;au=0&amp;amp;pc=0&amp;amp;cip=222.73.44.31&amp;amp;hf=0&amp;amp;id=tudou&amp;amp;itemid=135558267&amp;amp;fi=163005294&amp;amp;sz=59138302' wget -c $url --user-agent="" -O xfgs.f4v </code></pre> <p>This doesn't work either:</p> <pre><code>wget -c $url -O xfgs.f4v </code></pre> <p>The output is:</p> <pre><code>Connecting to 118.26.57.12:80... connected. HTTP request sent, awaiting response... 403 Forbidden 2013-02-13 09:50:42 ERROR 403: Forbidden. </code></pre> <p>What am I doing wrong?</p> <p>I ultimately want to download it with the Python library <code>mechanize</code>. Here is the code I'm using for that:</p> <pre><code>import mechanize br = mechanize.Browser() br = mechanize.Browser() br.set_handle_robots(False) br.set_handle_equiv(False) 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')] url='http://114.80.235.200/f4v/94/163005294.h264_1.f4v?10000&amp;key=7b9b1155dc632cbab92027511adcb300401443020d&amp;amp;playtype=1&amp;amp;tk=163659644989925531390490125&amp;amp;brt=2&amp;amp;bc=0&amp;amp;nt=0&amp;amp;du=1496650&amp;amp;ispid=23&amp;amp;rc=200&amp;amp;inf=1&amp;amp;si=11000&amp;amp;npc=1606&amp;amp;pp=0&amp;amp;ul=2&amp;amp;mt=-1&amp;amp;sid=10000&amp;amp;au=0&amp;amp;pc=0&amp;amp;cip=222.73.44.31&amp;amp;hf=0&amp;amp;id=tudou&amp;amp;itemid=135558267&amp;amp;fi=163005294&amp;amp;sz=59138302' r = br.open(url).read() tofile=open("/tmp/xfgs.f4v","w") tofile.write(r) tofile.close() </code></pre> <p>This is the result:</p> <pre><code>Traceback (most recent call last): File "&lt;stdin&gt;", line 1, in &lt;module&gt; File "/usr/lib/python2.7/dist-packages/mechanize/_mechanize.py", line 203, in open return self._mech_open(url, data, timeout=timeout) File "/usr/lib/python2.7/dist-packages/mechanize/_mechanize.py", line 255, in _mech_open raise response mechanize._response.httperror_seek_wrapper: HTTP Error 403: Forbidden </code></pre> <p>Can anyone explain how to get the <code>mechanize</code> code to work please?</p>
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    1. COWhat happens if you use: `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)'` and then `wget -c "${url}" --user-agent="${user_agent}" -O xfgs.f4v`? If that doesn't work, then Python may not be able to help you!
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    2. COThe reason you get a 403 response is most likely because the website keeps a state when you visit it in a browser, most likely a cookie. That's what YouTube does. Export your cookie from the browser and set it in wget (you can simply use the "Cookie:" header) and it should work.
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    3. CO@Johnsyweb Python can perfectly emulate a browser in most cases (well, except odd sites that set a cookie via JavaScript and such).
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