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#! /usr/bin/env python
"""The CherryPy daemon."""
import sys
import cherrypy
from cherrypy.process import plugins, servers
def start(configfiles=None, daemonize=False, environment=None,
fastcgi=False, scgi=False, pidfile=None, imports=None):
"""Subscribe all engine plugins and start the engine."""
sys.path = [''] + sys.path
for i in imports or []:
exec "import %s" % i
for c in configfiles or []:
cherrypy.config.update(c)
engine = cherrypy.engine
if environment is not None:
cherrypy.config.update({'environment': environment})
# Only daemonize if asked to.
if daemonize:
# Don't print anything to stdout/sterr.
cherrypy.config.update({'log.screen': False})
plugins.Daemonizer(engine).subscribe()
if pidfile:
plugins.PIDFile(engine, pidfile).subscribe()
if hasattr(engine, "signal_handler"):
engine.signal_handler.subscribe()
if hasattr(engine, "console_control_handler"):
engine.console_control_handler.subscribe()
if fastcgi and scgi:
# fastcgi and scgi aren't allowed together.
cherrypy.log.error("fastcgi and scgi aren't allowed together.", 'ENGINE')
sys.exit(1)
elif fastcgi or scgi:
# Turn off autoreload when using fastcgi or scgi.
cherrypy.config.update({'engine.autoreload_on': False})
# Turn off the default HTTP server (which is subscribed by default).
cherrypy.server.unsubscribe()
sock_file = cherrypy.config.get('server.socket_file', None)
if sock_file:
bindAddress = sock_file
else:
flup_port = cherrypy.config.get('server.socket_port', 4000)
flup_bindaddr = cherrypy.config.get('server.socket_host', '0.0.0.0')
bindAddress = (flup_bindaddr, flup_port)
if fastcgi:
f = servers.FlupFCGIServer(application=cherrypy.tree, bindAddress=bindAddress)
else:
f = servers.FlupSCGIServer(application=cherrypy.tree, bindAddress=bindAddress)
s = servers.ServerAdapter(engine, httpserver=f, bind_addr=bindAddress)
s.subscribe()
# Always start the engine; this will start all other services
try:
engine.start()
except:
# Assume the error has been logged already via bus.log.
sys.exit(1)
else:
engine.block()
if __name__ == '__main__':
from optparse import OptionParser
p = OptionParser()
p.add_option('-c', '--config', action="append", dest='config',
help="specify config file(s)")
p.add_option('-d', action="store_true", dest='daemonize',
help="run the server as a daemon")
p.add_option('-e', '--environment', dest='environment', default=None,
help="apply the given config environment")
p.add_option('-f', action="store_true", dest='fastcgi',
help="start a fastcgi server instead of the default HTTP server")
p.add_option('-s', action="store_true", dest='scgi',
help="start a scgi server instead of the default HTTP server")
p.add_option('-i', '--import', action="append", dest='imports',
help="specify modules to import")
p.add_option('-p', '--pidfile', dest='pidfile', default=None,
help="store the process id in the given file")
options, args = p.parse_args()
start(options.config, options.daemonize,
options.environment, options.fastcgi, options.scgi, options.pidfile,
options.imports)