Ticket #2039: pyisapie.py

File pyisapie.py, 5.7 KB (added by pjs, 17 years ago)

IIS ISAPI handler for django.core.handlers

Line 
1# https://pyisapie.svn.sourceforge.net/svnroot/pyisapie/Tags/1.0.121/PyISAPIe/Python/Examples/Django/pyisapie.py
2# 91 2008-01-10 23:53:59 -0800 (Thu, 10 Jan 2008)
3# (C)2008 Phillip Sitbon <phillip@sitbon.net>
4#
5"""Custom request handler for PyISAPIe.
6"""
7
8from django.core.handlers.base import BaseHandler
9from django.core import signals
10from django.dispatch import dispatcher
11from django.utils import datastructures
12from django import http
13import os
14
15from Http import *
16
17class PyISAPIeRequest(http.HttpRequest):
18 def __init__(This):
19 This.method = Env.REQUEST_METHOD.upper()
20 This.path = Env.URL
21 # aren't list comprehensions fun?!
22 This._headers_in = \
23 dict((N.lower(), V) for N, V in [Item.split(': ',1) for Item in Env.ALL_RAW.split('\r\n') if Item])
24
25 def get_full_path(This):
26 Qs = Env.QUERY_STRING
27 return '%s%s' % (This.path, Qs and ('?' + Qs) or '')
28
29 def _load_post_and_files(This):
30 "Populates This._post and This._files"
31 Ctype = Env.HTTP_CONTENT_TYPE or ''
32 if Ctype.startswith('multipart'):
33 This._post, This._files = http.parse_file_upload(This._headers_in, This.raw_post_data)
34 else:
35 This._post, This._files = http.QueryDict(This.raw_post_data), datastructures.MultiValueDict()
36
37 def _get_request(This):
38 if not hasattr(This, '_request'):
39 This._request = datastructures.MergeDict(This.POST, This.GET)
40 return This._request
41
42 def _get_get(This):
43 if not hasattr(This, '_get'):
44 This._get = http.QueryDict(Env.QUERY_STRING)
45 return This._get
46
47 def _set_get(This, get):
48 This._get = get
49
50 def _get_post(This):
51 if not hasattr(This, '_post'):
52 This._load_post_and_files()
53 return This._post
54
55 def _set_post(This, post):
56 This._post = post
57
58 def _get_cookies(This):
59 if not hasattr(This, '_cookies'):
60 This._cookies = http.parse_cookie(This._headers_in.get('cookie', ''))
61 return This._cookies
62
63 def _set_cookies(This, cookies):
64 This._cookies = cookies
65
66 def _get_files(This):
67 if not hasattr(This, '_files'):
68 This._load_post_and_files()
69 return This._files
70
71 def _get_meta(This):
72 "Lazy loader that returns This.META dictionary"
73 if not hasattr(This, '_meta'):
74 This._meta = {
75 'AUTH_TYPE': Env.AUTH_TYPE,
76 'CONTENT_LENGTH': Env.CONTENT_LENGTH,
77 'CONTENT_TYPE': Env.CONTENT_TYPE,
78 'GATEWAY_INTERFACE': Env.GATEWAY_INTERFACE,
79 'PATH_INFO': Env.PATH_INFO,
80 'PATH_TRANSLATED': Env.PATH_TRANSLATED,
81 'QUERY_STRING': Env.QUERY_STRING,
82 'REMOTE_ADDR': Env.REMOTE_ADDR,
83 'REMOTE_HOST': Env.REMOTE_HOST,
84 'REMOTE_IDENT': None,
85 'REMOTE_USER': Env.REMOTE_USER,
86 'REQUEST_METHOD': Env.REQUEST_METHOD,
87 'SCRIPT_NAME': Env.SCRIPT_NAME,
88 'SERVER_NAME': Env.SERVER_NAME,
89 'SERVER_PORT': Env.SERVER_PORT,
90 'SERVER_PROTOCOL': Env.SERVER_PROTOCOL,
91 'SERVER_SOFTWARE': Env.SERVER_SOFTWARE
92 }
93 for key, value in This._headers_in.items():
94 key = 'HTTP_' + key.upper().replace('-', '_')
95 This._meta[key] = value
96 return This._meta
97
98 def _get_raw_post_data(This):
99 try:
100 return This._raw_post_data
101 except AttributeError:
102 This._raw_post_data = Read()
103 return This._raw_post_data
104
105 def _get_user(This):
106 if not hasattr(This, '_user'):
107 from django.models.auth import users
108 try:
109 user_id = This.session[users.SESSION_KEY]
110 if not user_id:
111 raise ValueError
112 This._user = users.get_object(pk=user_id)
113 except (AttributeError, KeyError, ValueError, users.UserDoesNotExist):
114 from django.parts.auth import anonymoususers
115 This._user = anonymoususers.AnonymousUser()
116 return This._user
117
118 def _set_user(This, user):
119 This._user = user
120
121 GET = property(_get_get, _set_get)
122 POST = property(_get_post, _set_post)
123 COOKIES = property(_get_cookies, _set_cookies)
124 FILES = property(_get_files)
125 META = property(_get_meta)
126 REQUEST = property(_get_request)
127 raw_post_data = property(_get_raw_post_data)
128 user = property(_get_user, _set_user)
129
130class PyISAPIeHandler(BaseHandler):
131 def __call__(This):
132 from django.conf import settings
133
134
135 if This._request_middleware is None:
136 This.load_middleware()
137
138 dispatcher.send(signal=signals.request_started)
139
140 try:
141 request = PyISAPIeRequest()
142 response = This.get_response(request)
143
144 # Apply response middleware
145 for middleware_method in This._response_middleware:
146 response = middleware_method(request, response)
147
148 finally:
149 dispatcher.send(signal=signals.request_finished)
150
151
152 process_response(response)
153
154def process_response(http_response):
155 from django.conf import settings
156 for itm in http_response.items():
157 Header("%s: %s" % itm)
158 for c in http_response.cookies.values():
159 Header('Set-Cookie: ' + c.output(header=''))
160 Header(Status = http_response.status_code)
161 for chunk in http_response:
162 Write(chunk)
163
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