Source code for cherrypy.daemon

"""The CherryPy daemon."""

import sys

import cherrypy
from cherrypy.process import plugins, servers
from cherrypy import Application

[docs]def start(configfiles=None, daemonize=False, environment=None, fastcgi=False, scgi=False, pidfile=None, imports=None, cgi=False): """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) # If there's only one app mounted, merge config into it. if len(cherrypy.tree.apps) == 1: for app in cherrypy.tree.apps.values(): if isinstance(app, Application): app.merge(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 or cgi)) or (scgi and cgi): cherrypy.log.error('You may only specify one of the cgi, fastcgi, and ' 'scgi options.', 'ENGINE') sys.exit(1) elif fastcgi or scgi or cgi: # Turn off autoreload when using *cgi. cherrypy.config.update({'engine.autoreload.on': False}) # Turn off the default HTTP server (which is subscribed by default). cherrypy.server.unsubscribe() addr = cherrypy.server.bind_addr cls = ( servers.FlupFCGIServer if fastcgi else servers.FlupSCGIServer if scgi else servers.FlupCGIServer ) f = cls(application=cherrypy.tree, bindAddress=addr) s = servers.ServerAdapter(engine, httpserver=f, bind_addr=addr) 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()
[docs]def run(): 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('-x', action='store_true', dest='cgi', help='start a cgi 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') p.add_option('-P', '--Path', action='append', dest='Path', help='add the given paths to sys.path') options, args = p.parse_args() if options.Path: for p in options.Path: sys.path.insert(0, p) start(options.config, options.daemonize, options.environment, options.fastcgi, options.scgi, options.pidfile, options.imports, options.cgi)