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    <p>"Does anybody know how can I open a webpage with python ? The second and most important question is: how can I return a value from a web page to my "original" python module ??"</p> <p>This is all very simple.</p> <p>However, you need to read about what the web really <em>is</em>. You need to read up on web servers, browsers and the HTTP protocol.</p> <p>Here's the golden rule: <strong>A web server responds to HTTP requests with a web page.</strong></p> <p>The second part of that rules is: <strong>A Request is a URL and a method (GET or POST).</strong> There's more to a request, but that's the important part.</p> <p>That's all that ever happens. So, you have to recast your use case into the above form.</p> <p>Person clicks a bookmark; browser makes an empty request (to a URL of "/") and gets a form. </p> <p>Person fills in the form, clicks the button; browser POST's the request (to the URL in the form) and gets one of two things.</p> <ul> <li><p>If your script worked, they get their page that says it all worked.</p></li> <li><p>If your script needed information, they get another form.</p></li> </ul> <p>Person fills in the form, clicks the button; browser POST's the request (to the URL in the form) and gets the final page that says it all worked.</p> <p>You can do all of this from a "CGI" script. Use mod_wsgi and plug your stuff into the Apache web server.</p> <p>Or, you can get a web framework. Django, TurboGears, web.py, etc. You'll be happier with a framework even though you think your operation is simple.</p>
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