"""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 Exception:
# Assume the error has been logged already via bus.log.
sys.exit(1)
else:
engine.block()
[docs]def run():
"""Run cherryd CLI."""
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)
