app/django/core/management/commands/runserver.py
author Todd Larsen <tlarsen@google.com>
Fri, 18 Jul 2008 18:22:23 +0000
changeset 54 03e267d67478
child 323 ff1a9aa48cfd
permissions -rw-r--r--
Major reorganization of the soc svn repo, to merge into a single App Engine image (to make development easier, now that only a single app will run all Google Open Source programs).
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from django.core.management.base import BaseCommand, CommandError
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from optparse import make_option
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import os
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import sys
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class Command(BaseCommand):
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    option_list = BaseCommand.option_list + (
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        make_option('--noreload', action='store_false', dest='use_reloader', default=True,
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            help='Tells Django to NOT use the auto-reloader.'),
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        make_option('--adminmedia', dest='admin_media_path', default='',
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            help='Specifies the directory from which to serve admin media.'),
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    )
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    help = "Starts a lightweight Web server for development."
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    args = '[optional port number, or ipaddr:port]'
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    # Validation is called explicitly each time the server is reloaded.
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    requires_model_validation = False
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    def handle(self, addrport='', *args, **options):
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        import django
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        from django.core.servers.basehttp import run, AdminMediaHandler, WSGIServerException
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        from django.core.handlers.wsgi import WSGIHandler
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        if args:
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            raise CommandError('Usage is runserver %s' % self.args)
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        if not addrport:
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            addr = ''
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            port = '8000'
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        else:
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            try:
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                addr, port = addrport.split(':')
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            except ValueError:
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                addr, port = '', addrport
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        if not addr:
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            addr = '127.0.0.1'
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        if not port.isdigit():
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            raise CommandError("%r is not a valid port number." % port)
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        use_reloader = options.get('use_reloader', True)
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        admin_media_path = options.get('admin_media_path', '')
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        shutdown_message = options.get('shutdown_message', '')
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        quit_command = (sys.platform == 'win32') and 'CTRL-BREAK' or 'CONTROL-C'
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        def inner_run():
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            from django.conf import settings
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            print "Validating models..."
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            self.validate(display_num_errors=True)
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            print "\nDjango version %s, using settings %r" % (django.get_version(), settings.SETTINGS_MODULE)
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            print "Development server is running at http://%s:%s/" % (addr, port)
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            print "Quit the server with %s." % quit_command
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            try:
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                path = admin_media_path or django.__path__[0] + '/contrib/admin/media'
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                handler = AdminMediaHandler(WSGIHandler(), path)
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                run(addr, int(port), handler)
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            except WSGIServerException, e:
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                # Use helpful error messages instead of ugly tracebacks.
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                ERRORS = {
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                    13: "You don't have permission to access that port.",
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                    98: "That port is already in use.",
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                    99: "That IP address can't be assigned-to.",
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                }
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                try:
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                    error_text = ERRORS[e.args[0].args[0]]
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                except (AttributeError, KeyError):
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                    error_text = str(e)
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                sys.stderr.write(self.style.ERROR("Error: %s" % error_text) + '\n')
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                # Need to use an OS exit because sys.exit doesn't work in a thread
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                os._exit(1)
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            except KeyboardInterrupt:
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                if shutdown_message:
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                    print shutdown_message
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                sys.exit(0)
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        if use_reloader:
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            from django.utils import autoreload
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            autoreload.main(inner_run)
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        else:
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            inner_run()