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copied!<p>I've tested the code below on Windows XP and on OSX 10.6.6 (shell) and it exits without waiting for the child process to finish.</p> <p><strong>invoke.py:</strong></p> <pre><code>from subprocess import Popen, PIPE import platform if platform.system() == 'Windows': close_fds=False else: close_fds=True p = Popen('python long.py', stdin=PIPE, stdout=PIPE, stderr=PIPE, close_fds=close_fds, shell=True) print "Content-Type: text/plain\n" print "invoked (%d)" % (p.pid) </code></pre> <p><strong>long.py</strong></p> <pre><code>import time import os print "start (%d)" %(os.getpid()) time.sleep(10) print "end (%d)" %(os.getpid()) </code></pre> <p><strong>Update:</strong> Tested on Windows 7 + Apache 2.2.17 + Python 2.7 + mod_wsgi 3.3.</p> <p>mod_wsgi.so file can be downloaded from <a href="http://code.google.com/p/modwsgi/wiki/DownloadTheSoftware?tm=2" rel="nofollow">here</a>. File should be renamed to mod_wsgi.so and and placed in apache modules folder.</p> <p><strong>invoke.wsgi:</strong> from subprocess import Popen, PIPE import platform</p> <pre><code>def application(environ, start_response): if platform.system() == 'Windows': close_fds=False else: close_fds=True p = Popen('python "C:\testing\long.py"', stdin=PIPE, stdout=PIPE, stderr=PIPE, close_fds=close_fds, shell=True) status = '200 OK' output = "invoked (%d)" % (p.pid) response_headers = [('Content-type', 'text/plain'), ('Content-Length', str(len(output)))] start_response(status, response_headers) return [output] </code></pre> <p><strong>long.py</strong> file was left unchanged.</p> <p>changes made to <strong>httpd.conf</strong>:</p> <p>append wsgi module: </p> <pre><code>LoadModule wsgi_module modules/mod_wsgi.so </code></pre> <p>add directory to the config</p> <pre><code><Directory "C:/testing"> AllowOverride None Options None Order allow,deny Allow from all </Directory> </code></pre> <p>link url with directory</p> <pre><code>Alias /testapp "C:\testing" </code></pre> <p>link url with wsgi app</p> <pre><code>WSGIScriptAlias /testapp "C:\testing\invoke.wsgi" </code></pre> <p>Restart web server. Go <a href="http://server_name/testapp" rel="nofollow">http://server_name/testapp</a> App should show process id and exit.</p>

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