simple app

Procfile

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+web: gunicorn app:app

app.py

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+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# -*- coding: utf-8 -*-
+
+"""
+Python-Guide Installer
+~~~~~~~~~~~~~~~~~~~~~~
+
+This module provides the core redirector experience.
+
+Doesn't really get much simpler than this.
+
+"""
+
+import httpagentparser
+
+from werkzeug.wsgi import responder
+from werkzeug.utils import redirect
+
+
+LOCATIONS = {
+    'linux': 'http://docs.python-guide.org/en/latest/starting/install/linux/',
+    'windows': 'http://docs.python-guide.org/en/latest/starting/install/win/',
+    'macintosh': 'http://docs.python-guide.org/en/latest/starting/install/osx/',
+    'default': 'http://docs.python-guide.org/en/latest/index.html'
+}
+
+@responder
+def app(request, *args):
+    agent = httpagentparser.detect(request['HTTP_USER_AGENT'])['os']['name'].lower()
+    url = LOCATIONS.get(agent, LOCATIONS.get('default'))
+
+    return redirect(url)
+
+if __name__ == '__main__':
+    from werkzeug.serving import run_simple
+    run_simple('localhost', 4000, app)

requirements.txt

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+Flask==0.8
+Jinja2==2.6
+Werkzeug==0.8.3
+distribute==0.6.24
+gunicorn==0.14.2
+httpagentparser==1.0.5
+wsgiref==0.1.2