etwist/twctl.py
author Nicolas Chauvat <nicolas.chauvat@logilab.fr>
Sat, 18 Jul 2009 22:58:30 +0200
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"""cubicweb-clt handlers for twisted
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:organization: Logilab
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:copyright: 2001-2009 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
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:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
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"""
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import sys
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from cubicweb import underline_title
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from cubicweb.toolsutils import CommandHandler
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from cubicweb.web.webctl import WebCreateHandler
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# trigger configuration registration
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import cubicweb.etwist.twconfig # pylint: disable-msg=W0611
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class TWCreateHandler(WebCreateHandler):
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    cfgname = 'twisted'
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    def bootstrap(self, cubes, inputlevel=0):
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        """bootstrap this configuration"""
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        print '\n'+underline_title('Configuring Twisted')
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        mainpyfile = self.config.server_file()
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        mainpy = open(mainpyfile, 'w')
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        mainpy.write('''
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from cubicweb.etwist import server
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application = server.main(%r, %r)
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''' % (self.config.appid, self.config.name))
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        mainpy.close()
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        print '-> generated %s' % mainpyfile
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        super(TWCreateHandler, self).bootstrap(cubes, inputlevel)
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class TWStartHandler(CommandHandler):
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    cmdname = 'start'
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    cfgname = 'twisted'
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    def start_command(self, config, debug):
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        command = ['%s `which twistd`' % sys.executable]
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        for ctl_opt, server_opt in (('pid-file', 'pidfile'),
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                                    ('uid', 'uid'),
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                                    ('log-file', 'logfile',)):
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            value = config[ctl_opt]
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            if not value or (debug and ctl_opt == 'log-file'):
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                continue
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            command.append('--%s %s' % (server_opt, value))
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        if debug:
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            command.append('-n')
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        if config['profile']:
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            command.append('-p %s --savestats' % config['profile'])
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        command.append('-oy')
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        command.append(self.config.server_file())
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        return ' '.join(command)
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class TWStopHandler(CommandHandler):
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    cmdname = 'stop'
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    cfgname = 'twisted'
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try:
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    from cubicweb.server import serverctl
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    class AllInOneCreateHandler(serverctl.RepositoryCreateHandler, TWCreateHandler):
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        """configuration to get a web application running in a twisted web
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        server integrating a repository server in the same process
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        """
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        cfgname = 'all-in-one'
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        def bootstrap(self, cubes, inputlevel=0):
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            """bootstrap this configuration"""
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            serverctl.RepositoryCreateHandler.bootstrap(self, cubes, inputlevel)
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            TWCreateHandler.bootstrap(self, cubes, inputlevel)
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    class AllInOneStartHandler(TWStartHandler):
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        cmdname = 'start'
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        cfgname = 'all-in-one'
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        subcommand = 'cubicweb-twisted'
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    class AllInOneStopHandler(serverctl.RepositoryStopHandler):
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        cmdname = 'stop'
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        cfgname = 'all-in-one'
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        subcommand = 'cubicweb-twisted'
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except ImportError:
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    pass