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diff --git a/app/static/doc/flask-docs/deploying/others.html b/app/static/doc/flask-docs/deploying/others.html new file mode 100644 index 0000000..b1e545b --- /dev/null +++ b/app/static/doc/flask-docs/deploying/others.html @@ -0,0 +1,200 @@ + +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> + + +<html xmlns="http://www.w3.org/1999/xhtml"> + <head> + <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> + + <title>Other Servers — Flask 0.8 documentation</title> + + <link rel="stylesheet" href="../_static/flasky.css" type="text/css" /> + <link rel="stylesheet" href="../_static/pygments.css" type="text/css" /> + + <script type="text/javascript"> + var DOCUMENTATION_OPTIONS = { + URL_ROOT: '../', + VERSION: '0.8', + COLLAPSE_INDEX: false, + FILE_SUFFIX: '.html', + HAS_SOURCE: true + }; + </script> + <script type="text/javascript" src="../_static/jquery.js"></script> + <script type="text/javascript" src="../_static/underscore.js"></script> + <script type="text/javascript" src="../_static/doctools.js"></script> + <link rel="top" title="Flask 0.8 documentation" href="../index.html" /> + <link rel="up" title="Deployment Options" href="index.html" /> + <link rel="next" title="Becoming Big" href="../becomingbig.html" /> + <link rel="prev" title="uWSGI" href="uwsgi.html" /> + + + <link rel="apple-touch-icon" href="../_static/touch-icon.png" /> + + <link media="only screen and (max-device-width: 480px)" href="../_static/small_flask.css" type= "text/css" rel="stylesheet" /> + + </head> + <body> + <div class="related"> + <h3>Navigation</h3> + <ul> + <li class="right" style="margin-right: 10px"> + <a href="../genindex.html" title="General Index" + accesskey="I">index</a></li> + <li class="right" > + <a href="../becomingbig.html" title="Becoming Big" + accesskey="N">next</a> |</li> + <li class="right" > + <a href="uwsgi.html" title="uWSGI" + accesskey="P">previous</a> |</li> + <li><a href="../index.html">Flask 0.8 documentation</a> »</li> + <li><a href="index.html" accesskey="U">Deployment Options</a> »</li> + </ul> + </div> + + <div class="document"> + <div class="documentwrapper"> + <div class="bodywrapper"> + <div class="body"> + + <div class="section" id="other-servers"> +<span id="deploying-other-servers"></span><h1>Other Servers<a class="headerlink" href="#other-servers" title="Permalink to this headline">¶</a></h1> +<p>There are popular servers written in Python that allow the execution of WSGI +applications as well. These servers stand alone when they run; you can proxy +to them from your web server.</p> +<div class="section" id="tornado"> +<h2>Tornado<a class="headerlink" href="#tornado" title="Permalink to this headline">¶</a></h2> +<p><a class="reference external" href="http://www.tornadoweb.org/">Tornado</a> is an open source version of the scalable, non-blocking web +server and tools that power <a class="reference external" href="http://friendfeed.com/">FriendFeed</a>. Because it is non-blocking and +uses epoll, it can handle thousands of simultaneous standing connections, +which means it is ideal for real-time web services. Integrating this +service with Flask is a trivial task:</p> +<div class="highlight-python"><div class="highlight"><pre><span class="kn">from</span> <span class="nn">tornado.wsgi</span> <span class="kn">import</span> <span class="n">WSGIContainer</span> +<span class="kn">from</span> <span class="nn">tornado.httpserver</span> <span class="kn">import</span> <span class="n">HTTPServer</span> +<span class="kn">from</span> <span class="nn">tornado.ioloop</span> <span class="kn">import</span> <span class="n">IOLoop</span> +<span class="kn">from</span> <span class="nn">yourapplication</span> <span class="kn">import</span> <span class="n">app</span> + +<span class="n">http_server</span> <span class="o">=</span> <span class="n">HTTPServer</span><span class="p">(</span><span class="n">WSGIContainer</span><span class="p">(</span><span class="n">app</span><span class="p">))</span> +<span class="n">http_server</span><span class="o">.</span><span class="n">listen</span><span class="p">(</span><span class="mi">5000</span><span class="p">)</span> +<span class="n">IOLoop</span><span class="o">.</span><span class="n">instance</span><span class="p">()</span><span class="o">.</span><span class="n">start</span><span class="p">()</span> +</pre></div> +</div> +</div> +<div class="section" id="gevent"> +<h2>Gevent<a class="headerlink" href="#gevent" title="Permalink to this headline">¶</a></h2> +<p><a class="reference external" href="http://www.gevent.org/">Gevent</a> is a coroutine-based Python networking library that uses +<a class="reference external" href="http://codespeak.net/py/0.9.2/greenlet.html">greenlet</a> to provide a high-level synchronous API on top of <a class="reference external" href="http://monkey.org/~provos/libevent/">libevent</a> +event loop:</p> +<div class="highlight-python"><div class="highlight"><pre><span class="kn">from</span> <span class="nn">gevent.wsgi</span> <span class="kn">import</span> <span class="n">WSGIServer</span> +<span class="kn">from</span> <span class="nn">yourapplication</span> <span class="kn">import</span> <span class="n">app</span> + +<span class="n">http_server</span> <span class="o">=</span> <span class="n">WSGIServer</span><span class="p">((</span><span class="s">''</span><span class="p">,</span> <span class="mi">5000</span><span class="p">),</span> <span class="n">app</span><span class="p">)</span> +<span class="n">http_server</span><span class="o">.</span><span class="n">serve_forever</span><span class="p">()</span> +</pre></div> +</div> +</div> +<div class="section" id="gunicorn"> +<h2>Gunicorn<a class="headerlink" href="#gunicorn" title="Permalink to this headline">¶</a></h2> +<p><a class="reference external" href="http://gunicorn.org/">Gunicorn</a> ‘Green Unicorn’ is a WSGI HTTP Server for UNIX. It’s a pre-fork +worker model ported from Ruby’s Unicorn project. It supports both <a class="reference external" href="http://eventlet.net/">eventlet</a> +and <a class="reference external" href="http://codespeak.net/py/0.9.2/greenlet.html">greenlet</a>. Running a Flask application on this server is quite simple:</p> +<div class="highlight-python"><pre>gunicorn myproject:app</pre> +</div> +<p><a class="reference external" href="http://gunicorn.org/">Gunicorn</a> provides many command-line options – see <tt class="docutils literal"><span class="pre">gunicorn</span> <span class="pre">-h</span></tt>. +For example, to run a Flask application with 4 worker processes (<tt class="docutils literal"><span class="pre">-w</span> +<span class="pre">4</span></tt>) binding to localhost port 4000 (<tt class="docutils literal"><span class="pre">-b</span> <span class="pre">127.0.0.1:4000</span></tt>):</p> +<div class="highlight-python"><pre>gunicorn -w 4 -b 127.0.0.1:4000 myproject:app</pre> +</div> +</div> +<div class="section" id="proxy-setups"> +<h2>Proxy Setups<a class="headerlink" href="#proxy-setups" title="Permalink to this headline">¶</a></h2> +<p>If you deploy your application using one of these servers behind an HTTP +proxy you will need to rewrite a few headers in order for the +application to work. The two problematic values in the WSGI environment +usually are <cite>REMOTE_ADDR</cite> and <cite>HTTP_HOST</cite>. Werkzeug ships a fixer that +will solve some common setups, but you might want to write your own WSGI +middleware for specific setups.</p> +<p>The most common setup invokes the host being set from <cite>X-Forwarded-Host</cite> +and the remote address from <cite>X-Forwarded-For</cite>:</p> +<div class="highlight-python"><div class="highlight"><pre><span class="kn">from</span> <span class="nn">werkzeug.contrib.fixers</span> <span class="kn">import</span> <span class="n">ProxyFix</span> +<span class="n">app</span><span class="o">.</span><span class="n">wsgi_app</span> <span class="o">=</span> <span class="n">ProxyFix</span><span class="p">(</span><span class="n">app</span><span class="o">.</span><span class="n">wsgi_app</span><span class="p">)</span> +</pre></div> +</div> +<p>Please keep in mind that it is a security issue to use such a middleware +in a non-proxy setup because it will blindly trust the incoming +headers which might be forged by malicious clients.</p> +<p>If you want to rewrite the headers from another header, you might want to +use a fixer like this:</p> +<div class="highlight-python"><div class="highlight"><pre><span class="k">class</span> <span class="nc">CustomProxyFix</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span> + + <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">app</span><span class="p">):</span> + <span class="bp">self</span><span class="o">.</span><span class="n">app</span> <span class="o">=</span> <span class="n">app</span> + + <span class="k">def</span> <span class="nf">__call__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">environ</span><span class="p">,</span> <span class="n">start_response</span><span class="p">):</span> + <span class="n">host</span> <span class="o">=</span> <span class="n">environ</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s">'HTTP_X_FHOST'</span><span class="p">,</span> <span class="s">''</span><span class="p">)</span> + <span class="k">if</span> <span class="n">host</span><span class="p">:</span> + <span class="n">environ</span><span class="p">[</span><span class="s">'HTTP_HOST'</span><span class="p">]</span> <span class="o">=</span> <span class="n">host</span> + <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">app</span><span class="p">(</span><span class="n">environ</span><span class="p">,</span> <span class="n">start_response</span><span class="p">)</span> + +<span class="n">app</span><span class="o">.</span><span class="n">wsgi_app</span> <span class="o">=</span> <span class="n">CustomProxyFix</span><span class="p">(</span><span class="n">app</span><span class="o">.</span><span class="n">wsgi_app</span><span class="p">)</span> +</pre></div> +</div> +</div> +</div> + + + </div> + </div> + </div> + <div class="sphinxsidebar"> + <div class="sphinxsidebarwrapper"><p class="logo"><a href="../index.html"> + <img class="logo" src="../_static/flask.png" alt="Logo"/> +</a></p> + <h3><a href="../index.html">Table Of Contents</a></h3> + <ul> +<li><a class="reference internal" href="#">Other Servers</a><ul> +<li><a class="reference internal" href="#tornado">Tornado</a></li> +<li><a class="reference internal" href="#gevent">Gevent</a></li> +<li><a class="reference internal" href="#gunicorn">Gunicorn</a></li> +<li><a class="reference internal" href="#proxy-setups">Proxy Setups</a></li> +</ul> +</li> +</ul> +<h3>Related Topics</h3> +<ul> + <li><a href="../index.html">Documentation overview</a><ul> + <li><a href="index.html">Deployment Options</a><ul> + <li>Previous: <a href="uwsgi.html" title="previous chapter">uWSGI</a></li> + <li>Next: <a href="../becomingbig.html" title="next chapter">Becoming Big</a></li> + </ul></li> + </ul></li> +</ul> + <h3>This Page</h3> + <ul class="this-page-menu"> + <li><a href="../_sources/deploying/others.txt" + rel="nofollow">Show Source</a></li> + </ul> +<div id="searchbox" style="display: none"> + <h3>Quick search</h3> + <form class="search" action="../search.html" method="get"> + <input type="text" name="q" /> + <input type="submit" value="Go" /> + <input type="hidden" name="check_keywords" value="yes" /> + <input type="hidden" name="area" value="default" /> + </form> + <p class="searchtip" style="font-size: 90%"> + Enter search terms or a module, class or function name. + </p> +</div> +<script type="text/javascript">$('#searchbox').show(0);</script> + </div> + </div> + <div class="clearer"></div> + </div> + <div class="footer"> + © Copyright 2010, Armin Ronacher. + Created using <a href="http://sphinx.pocoo.org/">Sphinx</a>. + </div> + </body> +</html>
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