部署了TG,就想着把DJANGO也弄上去。本来是打算用FASTCGI方式的,这个在DJANGO官网上也有教程,但后来又在网上看到了一篇文章,地址如下
http://blog.opensource.org.cn/hdcola/2007/10/django-1.html
这让我立即考虑换成SCGI,本来我的TG也是跑在SCGI上的,既然DJANGO跑在SCGI上性能如此出色,没有不选择它的道理。
更何况用FASTCGI的话配置静态文件的目录必须用REWRITE,ALIAS是无效的
好,启用人肉搜索引擎,终于在一个老外的博客上找到了一篇配置方法,
首先是下载flup和scgi
easy_install flup
easy_install scgi
新建文件django-scgi.py,
脚本如下:
import os
import sys
if os.name == 'posix':
def become_daemon(ourHomeDir='.',outLog='/dev/null',errLog='/dev/null'):
"""
Robustly turn us into a UNIX daemon, running in ourHomeDir.
Modelled after the original code of this module and some
sample code from the net.
"""
# first fork
try:
if os.fork() > 0:
sys.exit(0) # kill off parent
except OSError, e:
sys.stderr.write("fork #1 failed: (%d) %s" % (e.errno, e.strerror))
sys.exit(1)
os.setsid()
os.chdir(ourHomeDir)
os.umask(0)
# second fork
try:
if os.fork() > 0:
sys.exit(0)
except OSError, e:
sys.stderr.write("fork #2 failed: (%d) %s" % (e.errno, e.strerror))
sys.exit(1)
si = open('/dev/null', 'r')
so = open(outLog, 'a+', 0)
se = open(errLog, 'a+', 0)
os.dup2(si.fileno(), sys.stdin.fileno())
os.dup2(so.fileno(), sys.stdout.fileno())
os.dup2(se.fileno(), sys.stderr.fileno())
else:
def become_daemon(ourHomeDir='.',outLog=None,errLog=None):
"""
If we are not running under a POSIX system, just simulate
the daemon mode by doing redirections and directory changeing
"""
os.chdir(ourHomeDir)
os.umask(0)
sys.stdin.close()
sys.stdout.close()
sys.stderr.close()
if errLog and outLog:
sys.stderr=open (errLog, 'a', 0)
sys.stdout=open (outLog, 'a', 0)
elif errLog:
sys.stderr=open (errLog, 'a', 0)
sys.stdout=NullDevice ()
elif outLog:
sys.stdout=open (outLog, 'a', 0)
sys.stderr=NullDevice ()
else:
sys.stdout = NullDevice()
sys.stderr = NullDevice()
class NullDevice:
"""
A substitute for stdout and stderr that writes to nowhere.
This is a substitute for /dev/null
"""
def write(self, s):
pass
def main():
from flup.server.scgi_fork import WSGIServer
from django.core.handlers.wsgi import WSGIHandler
import getopt
(opts, args) = getopt.getopt(sys.argv[1:], 'f:s:h:p:',
['settings=','socket=','host=','port=',
'minspare=', 'maxspare=', 'maxchildren=',
'daemon', 'etclog=', 'errorlog=', 'workdir=',
'projects='])
socket = None
host = None
port = None
minspare = 1
maxspare = 5
maxchildren = 50
daemon = None
workdir = '.'
etclog = '/dev/null'
errorlog = '/dev/null'
projects = []
for (o, v) in opts:
if o in ('-s', '--socket'):
socket = v
elif o in ('-h', '--host'):
host = v
elif o in ('-p', '--port'):
port = int(v)
elif o in ('-f', '--settings'):
os.environ['DJANGO_SETTINGS_MODULE'] = v
elif o in ('--minspare',):
minspare = int(v)
elif o in ('--maxspare',):
maxspare = int(v)
elif o in ('--maxchildren',):
maxchildren = int(v)
elif o in ('--daemon',):
daemon = 1
elif o in ('--errorlog',):
errorlog = v
elif o in ('--etclog',):
etclog = v
elif o in ('--workdir',):
workdir = v
elif o in ('--projects',):
projects.append(v)
# add projects to path
for p in projects:
if p not in sys.path:
sys.path.insert(0, p)
# if we should run as a daemon, use the above function to turn us
# into one reliably. This should correctly detach from the tty.
if daemon:
become_daemon(ourHomeDir=workdir,
outLog=etclog, errLog=errorlog)
if socket and not host and not port:
WSGIServer(WSGIHandler(), minSpare=minspare, maxSpare=maxspare, maxChildren=maxchildren, bindAddress=socket).run()
elif not socket and host and port:
WSGIServer(WSGIHandler(), minSpare=minspare, maxSpare=maxspare, maxChildren=maxchildren, bindAddress=(host, port)).run()
else:
print "usage: django-scgi.py [--settings=<settingsmodule>] --socket=<socketname>"
print " or: django-scgi.py [--settings=<settingsmodule>] --host==<hostname> --port=<portnumber>"
print
print " additional options are:"
print " --minspare=<minimum number of spare processes, default 1>"
print " --maxspare=<maximum number of spare processes, default 5>"
print " --maxchildren=<maximum number of child processes, default 50>"
print
print " --daemon"
print " --etclog=<path for stdout log, default /dev/null>"
print " --errorlog=<path for stderr log, default /dev/null>"
print " --workdir=<path for working directory, default .>"
print
print " --projects=<path to add to sys.path>"
if __name__ == '__main__':
# first patch our own version of socketpair into the sockets module
# if we don't have it already (comes with Python 2.4)
import socket
if not hasattr(socket, 'socketpair'):
import eunuchs.socketpair
def socketpair():
(p,c) = eunuchs.socketpair.socketpair()
(pp,cc) = (socket.fromfd(p,1,1), socket.fromfd(c,1,1))
os.close(c)
os.close(p)
return (pp,cc)
socket.socketpair = socketpair
main()
OK,将此文件COPY至DJANGO工程文件的上一级路径(和文件夹同一级),然后运行命令
python django-scgi.py --projects=/home/usr/djapp/ --settings=settings --host=localhost --port=8000
wsgi启动了,接下来配置lighttpd
scgi.server = ("/" =>
("127.0.0.1" =>
("host" => "127.0.0.1",
"port" => 8000,
"check-local" => "disable")
)
)
}
重启lighttpd,OK
另外要注意,我用的DJANGO就是目前官网上的0.96版,但其中的wsgi.py(CORE/HANDLERS下)文件是要修改一下的,至少我下载的这个是需要的,官网还没及时补丁
#self.path = environ['PATH_INFO']
#注释掉第77句,然后改成
self.path = force_unicode(environ['SCRIPT_NAME'] + environ['PATH_INFO'])
另外在utils文件夹下还缺少两个文件,分别是encoding.py和safestring.py
去官网上下载
当然,这是我的安装情况,也许你下载的DJANGO不需要这样做
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