author | Tero Marttila <terom@fixme.fi> |
Sat, 07 Feb 2009 06:54:52 +0200 | |
branch | sites |
changeset 30 | a86a25a9f75b |
parent 7 | d6a8258bd90e |
child 31 | 107062ebb6f9 |
permissions | -rw-r--r-- |
7 | 1 |
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""" |
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WSGI application implementation |
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""" |
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# for error reporting |
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import sys, traceback |
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# for Request/Response |
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import http |
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30
a86a25a9f75b
route requests through sites/www.qmsk.net, although still hardcoded
Tero Marttila <terom@fixme.fi>
parents:
7
diff
changeset
|
12 |
# to lookup the Site |
a86a25a9f75b
route requests through sites/www.qmsk.net, although still hardcoded
Tero Marttila <terom@fixme.fi>
parents:
7
diff
changeset
|
13 |
from site import lookup as site_lookup |
a86a25a9f75b
route requests through sites/www.qmsk.net, although still hardcoded
Tero Marttila <terom@fixme.fi>
parents:
7
diff
changeset
|
14 |
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7 | 15 |
# for the request -> response bit :) |
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import handler |
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def request_handler (env, start_response) : |
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""" |
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The actual request handling code |
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""" |
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# build Request object |
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request = http.Request(env) |
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30
a86a25a9f75b
route requests through sites/www.qmsk.net, although still hardcoded
Tero Marttila <terom@fixme.fi>
parents:
7
diff
changeset
|
25 |
|
a86a25a9f75b
route requests through sites/www.qmsk.net, although still hardcoded
Tero Marttila <terom@fixme.fi>
parents:
7
diff
changeset
|
26 |
# lookup site |
a86a25a9f75b
route requests through sites/www.qmsk.net, although still hardcoded
Tero Marttila <terom@fixme.fi>
parents:
7
diff
changeset
|
27 |
site = site_lookup(request) |
a86a25a9f75b
route requests through sites/www.qmsk.net, although still hardcoded
Tero Marttila <terom@fixme.fi>
parents:
7
diff
changeset
|
28 |
|
a86a25a9f75b
route requests through sites/www.qmsk.net, although still hardcoded
Tero Marttila <terom@fixme.fi>
parents:
7
diff
changeset
|
29 |
# mapper... |
a86a25a9f75b
route requests through sites/www.qmsk.net, although still hardcoded
Tero Marttila <terom@fixme.fi>
parents:
7
diff
changeset
|
30 |
mapper = site.get_mapper() |
a86a25a9f75b
route requests through sites/www.qmsk.net, although still hardcoded
Tero Marttila <terom@fixme.fi>
parents:
7
diff
changeset
|
31 |
|
a86a25a9f75b
route requests through sites/www.qmsk.net, although still hardcoded
Tero Marttila <terom@fixme.fi>
parents:
7
diff
changeset
|
32 |
# lookup handler |
a86a25a9f75b
route requests through sites/www.qmsk.net, although still hardcoded
Tero Marttila <terom@fixme.fi>
parents:
7
diff
changeset
|
33 |
handler = mapper.map_request(request) |
7 | 34 |
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try : |
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# request -> response |
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response = handler.handle_request(request) |
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except http.ResponseError, err : |
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# just use the generated response |
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response = err.get_response() |
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# send response |
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assert response, "No response" |
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# send response status/headers |
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start_response(response.get_status(), response.get_headers()) |
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# send respones data |
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yield response.get_data() |
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def app (env, start_response) : |
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""" |
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Wraps request_handler to trap errors |
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""" |
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try : |
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# passthrough request_handler |
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for chunk in request_handler(env, start_response) : |
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yield chunk |
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except : |
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# execption info |
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info = sys.exc_info() |
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# try and send 500 ISE to browser, if no headers yet... |
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start_response("500 Internal Server Error", [('Content-type', "text/plain; charset=utf8")], info) |
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# send traceback |
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yield traceback.format_exc() |
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