134 lines
4.8 KiB
Python
134 lines
4.8 KiB
Python
from django.core.handlers.base import BaseHandler
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from django.utils import datastructures, httpwrappers
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from pprint import pformat
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STATUS_CODE_TEXT = {
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200: 'OK',
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404: 'NOT FOUND',
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500: 'INTERNAL SERVER ERROR',
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}
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class WSGIRequest(httpwrappers.HttpRequest):
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def __init__(self, environ):
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self.environ = environ
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self.path = environ['PATH_INFO']
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self.META = environ
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def __repr__(self):
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from pprint import pformat
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return '<DjangoRequest\nGET:%s,\nPOST:%s,\nCOOKIES:%s,\nMETA:%s>' % \
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(pformat(self.GET), pformat(self.POST), pformat(self.COOKIES),
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pformat(self.META))
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def get_full_path(self):
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return '%s%s' % (self.path, self.environ['QUERY_STRING'] and ('?' + self.environ['QUERY_STRING']) or '')
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def _load_post_and_files(self):
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# Populates self._post and self._files
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if self.environ['REQUEST_METHOD'] == 'POST':
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if self.environ.get('CONTENT_TYPE', '').startswith('multipart'):
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header_dict = dict([(k, v) for k, v in self.environ.items() if k.startswith('HTTP_')])
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header_dict['Content-Type'] = self.environ.get('CONTENT_TYPE', '')
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self._post, self._files = httpwrappers.parse_file_upload(header_dict, self.raw_post_data)
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else:
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self._post, self._files = httpwrappers.QueryDict(self.raw_post_data), datastructures.MultiValueDict()
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else:
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self._post, self._files = httpwrappers.QueryDict(''), datastructures.MultiValueDict()
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def _get_request(self):
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if not hasattr(self, '_request'):
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self._request = datastructures.MergeDict(self.POST, self.GET)
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return self._request
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def _get_get(self):
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if not hasattr(self, '_get'):
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self._get = httpwrappers.QueryDict(self.environ['QUERY_STRING'])
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return self._get
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def _set_get(self, get):
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self._get = get
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def _get_post(self):
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if not hasattr(self, '_post'):
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self._load_post_and_files()
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return self._post
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def _set_post(self, post):
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self._post = post
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def _get_cookies(self):
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if not hasattr(self, '_cookies'):
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self._cookies = httpwrappers.parse_cookie(self.environ.get('HTTP_COOKIE', ''))
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return self._cookies
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def _set_cookies(self, cookies):
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self._cookies = cookies
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def _get_files(self):
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if not hasattr(self, '_files'):
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self._load_post_and_files()
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return self._files
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def _get_raw_post_data(self):
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try:
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return self._raw_post_data
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except AttributeError:
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self._raw_post_data = self.environ['wsgi.input'].read(int(self.environ["CONTENT_LENGTH"]))
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return self._raw_post_data
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def _get_user(self):
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if not hasattr(self, '_user'):
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from django.models.auth import users
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try:
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user_id = self.session[users.SESSION_KEY]
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if not user_id:
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raise ValueError
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self._user = users.get_object(pk=user_id)
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except (AttributeError, KeyError, ValueError, users.UserDoesNotExist):
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from django.parts.auth import anonymoususers
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self._user = anonymoususers.AnonymousUser()
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return self._user
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def _set_user(self, user):
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self._user = user
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GET = property(_get_get, _set_get)
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POST = property(_get_post, _set_post)
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COOKIES = property(_get_cookies, _set_cookies)
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FILES = property(_get_files)
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REQUEST = property(_get_request)
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raw_post_data = property(_get_raw_post_data)
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user = property(_get_user, _set_user)
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class WSGIHandler(BaseHandler):
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def __call__(self, environ, start_response):
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from django.conf import settings
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from django.core import db
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# Set up middleware if needed. We couldn't do this earlier, because
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# settings weren't available.
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if self._request_middleware is None:
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self.load_middleware()
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try:
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request = WSGIRequest(environ)
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response = self.get_response(request.path, request)
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finally:
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db.db.close()
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# Apply response middleware
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for middleware_method in self._response_middleware:
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response = middleware_method(request, response)
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try:
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status_text = STATUS_CODE_TEXT[response.status_code]
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except KeyError:
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status_text = 'UNKNOWN STATUS CODE'
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status = '%s %s' % (response.status_code, status_text)
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response_headers = response.headers.items()
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for c in response.cookies.values():
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response_headers.append(('Set-Cookie', c.output(header='')))
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output = [response.get_content_as_string('utf-8')]
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start_response(status, response_headers)
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return output
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