120 lines
4.0 KiB
Python
120 lines
4.0 KiB
Python
"""
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HTTP server that implements the Python WSGI protocol (PEP 333, rev 1.21).
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Based on wsgiref.simple_server which is part of the standard library since 2.5.
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This is a simple server for use in testing or debugging Django apps. It hasn't
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been reviewed for security issues. DON'T USE IT FOR PRODUCTION USE!
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"""
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from __future__ import unicode_literals
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import socket
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import sys
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from wsgiref import simple_server
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from wsgiref.util import FileWrapper # NOQA: for backwards compatibility
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from django.core.exceptions import ImproperlyConfigured
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from django.core.management.color import color_style
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from django.core.wsgi import get_wsgi_application
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from django.utils import six
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from django.utils.module_loading import import_string
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from django.utils.six.moves import socketserver
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__all__ = ('WSGIServer', 'WSGIRequestHandler')
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def get_internal_wsgi_application():
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"""
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Loads and returns the WSGI application as configured by the user in
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``settings.WSGI_APPLICATION``. With the default ``startproject`` layout,
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this will be the ``application`` object in ``projectname/wsgi.py``.
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This function, and the ``WSGI_APPLICATION`` setting itself, are only useful
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for Django's internal servers (runserver, runfcgi); external WSGI servers
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should just be configured to point to the correct application object
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directly.
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If settings.WSGI_APPLICATION is not set (is ``None``), we just return
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whatever ``django.core.wsgi.get_wsgi_application`` returns.
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"""
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from django.conf import settings
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app_path = getattr(settings, 'WSGI_APPLICATION')
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if app_path is None:
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return get_wsgi_application()
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try:
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return import_string(app_path)
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except ImportError as e:
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msg = (
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"WSGI application '%(app_path)s' could not be loaded; "
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"Error importing module: '%(exception)s'" % ({
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'app_path': app_path,
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'exception': e,
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})
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)
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six.reraise(ImproperlyConfigured, ImproperlyConfigured(msg),
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sys.exc_info()[2])
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class WSGIServer(simple_server.WSGIServer, object):
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"""BaseHTTPServer that implements the Python WSGI protocol"""
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request_queue_size = 10
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def __init__(self, *args, **kwargs):
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if kwargs.pop('ipv6', False):
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self.address_family = socket.AF_INET6
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super(WSGIServer, self).__init__(*args, **kwargs)
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def server_bind(self):
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"""Override server_bind to store the server name."""
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super(WSGIServer, self).server_bind()
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self.setup_environ()
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class WSGIRequestHandler(simple_server.WSGIRequestHandler, object):
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def __init__(self, *args, **kwargs):
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self.style = color_style()
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super(WSGIRequestHandler, self).__init__(*args, **kwargs)
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def address_string(self):
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# Short-circuit parent method to not call socket.getfqdn
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return self.client_address[0]
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def log_message(self, format, *args):
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msg = "[%s] %s\n" % (self.log_date_time_string(), format % args)
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# Utilize terminal colors, if available
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if args[1][0] == '2':
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# Put 2XX first, since it should be the common case
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msg = self.style.HTTP_SUCCESS(msg)
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elif args[1][0] == '1':
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msg = self.style.HTTP_INFO(msg)
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elif args[1] == '304':
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msg = self.style.HTTP_NOT_MODIFIED(msg)
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elif args[1][0] == '3':
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msg = self.style.HTTP_REDIRECT(msg)
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elif args[1] == '404':
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msg = self.style.HTTP_NOT_FOUND(msg)
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elif args[1][0] == '4':
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msg = self.style.HTTP_BAD_REQUEST(msg)
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else:
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# Any 5XX, or any other response
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msg = self.style.HTTP_SERVER_ERROR(msg)
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sys.stderr.write(msg)
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def run(addr, port, wsgi_handler, ipv6=False, threading=False):
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server_address = (addr, port)
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if threading:
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httpd_cls = type(str('WSGIServer'), (socketserver.ThreadingMixIn, WSGIServer), {})
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else:
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httpd_cls = WSGIServer
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httpd = httpd_cls(server_address, WSGIRequestHandler, ipv6=ipv6)
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httpd.set_app(wsgi_handler)
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httpd.serve_forever()
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