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107 lines
3.8 KiB
107 lines
3.8 KiB
6 years ago
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"""The CherryPy daemon."""
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import sys
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import cherrypy
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from cherrypy.process import plugins, servers
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from cherrypy import Application
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def start(configfiles=None, daemonize=False, environment=None,
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fastcgi=False, scgi=False, pidfile=None, imports=None,
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cgi=False):
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"""Subscribe all engine plugins and start the engine."""
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sys.path = [''] + sys.path
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for i in imports or []:
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exec('import %s' % i)
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for c in configfiles or []:
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cherrypy.config.update(c)
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# If there's only one app mounted, merge config into it.
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if len(cherrypy.tree.apps) == 1:
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for app in cherrypy.tree.apps.values():
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if isinstance(app, Application):
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app.merge(c)
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engine = cherrypy.engine
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if environment is not None:
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cherrypy.config.update({'environment': environment})
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# Only daemonize if asked to.
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if daemonize:
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# Don't print anything to stdout/sterr.
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cherrypy.config.update({'log.screen': False})
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plugins.Daemonizer(engine).subscribe()
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if pidfile:
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plugins.PIDFile(engine, pidfile).subscribe()
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if hasattr(engine, 'signal_handler'):
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engine.signal_handler.subscribe()
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if hasattr(engine, 'console_control_handler'):
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engine.console_control_handler.subscribe()
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if (fastcgi and (scgi or cgi)) or (scgi and cgi):
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cherrypy.log.error('You may only specify one of the cgi, fastcgi, and '
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'scgi options.', 'ENGINE')
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sys.exit(1)
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elif fastcgi or scgi or cgi:
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# Turn off autoreload when using *cgi.
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cherrypy.config.update({'engine.autoreload.on': False})
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# Turn off the default HTTP server (which is subscribed by default).
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cherrypy.server.unsubscribe()
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addr = cherrypy.server.bind_addr
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cls = (
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servers.FlupFCGIServer if fastcgi else
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servers.FlupSCGIServer if scgi else
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servers.FlupCGIServer
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)
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f = cls(application=cherrypy.tree, bindAddress=addr)
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s = servers.ServerAdapter(engine, httpserver=f, bind_addr=addr)
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s.subscribe()
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# Always start the engine; this will start all other services
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try:
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engine.start()
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except:
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# Assume the error has been logged already via bus.log.
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sys.exit(1)
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else:
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engine.block()
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def run():
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from optparse import OptionParser
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p = OptionParser()
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p.add_option('-c', '--config', action='append', dest='config',
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help='specify config file(s)')
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p.add_option('-d', action='store_true', dest='daemonize',
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help='run the server as a daemon')
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p.add_option('-e', '--environment', dest='environment', default=None,
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help='apply the given config environment')
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p.add_option('-f', action='store_true', dest='fastcgi',
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help='start a fastcgi server instead of the default HTTP '
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'server')
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p.add_option('-s', action='store_true', dest='scgi',
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help='start a scgi server instead of the default HTTP server')
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p.add_option('-x', action='store_true', dest='cgi',
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help='start a cgi server instead of the default HTTP server')
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p.add_option('-i', '--import', action='append', dest='imports',
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help='specify modules to import')
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p.add_option('-p', '--pidfile', dest='pidfile', default=None,
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help='store the process id in the given file')
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p.add_option('-P', '--Path', action='append', dest='Path',
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help='add the given paths to sys.path')
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options, args = p.parse_args()
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if options.Path:
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for p in options.Path:
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sys.path.insert(0, p)
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start(options.config, options.daemonize,
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options.environment, options.fastcgi, options.scgi,
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options.pidfile, options.imports, options.cgi)
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