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annotate roundup/cgi/wsgi_handler.py @ 4009:e335ce40d6c8

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Make URL matching code less matchy
author Richard Jones <richard@users.sourceforge.net>
date Mon, 01 Sep 2008 01:37:00 +0000
parents 0728808fdf5c
children 859ab007829f
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1 # WSGI interface for Roundup Issue Tracker
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2 #
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3 # This module is free software, you may redistribute it
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4 # and/or modify under the same terms as Python.
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5 #
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6
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7 import os
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8 import cgi
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9 import weakref
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10
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11 import roundup.instance
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12 from roundup.cgi import TranslationService
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13 from BaseHTTPServer import BaseHTTPRequestHandler
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14
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15
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16 class Writer(object):
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17 '''Perform a start_response if need be when we start writing.'''
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18 def __init__(self, request):
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19 self.request = request #weakref.ref(request)
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20 def write(self, data):
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21 f = self.request.get_wfile()
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22 self.write = f
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23 return f(data)
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24
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25 class RequestDispatcher(object):
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26 def __init__(self, home, debug=False, timing=False, lang=None):
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27 assert os.path.isdir(home), '%r is not a directory'%(home,)
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28 self.home = home
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29 self.debug = debug
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30 self.timing = timing
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31 if lang:
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32 self.translator = TranslationService.get_translation(lang,
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33 tracker_home=home)
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34 else:
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35 self.translator = None
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36
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37 def __call__(self, environ, start_response):
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38 """Initialize with `apache.Request` object"""
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39 self.environ = environ
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40 request = RequestDispatcher(self.home, self.debug, self.timing)
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41 request.__start_response = start_response
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42
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43 request.wfile = Writer(request)
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44 request.__wfile = None
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45
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46 tracker = roundup.instance.open(self.home, not self.debug)
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47
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48 # need to strip the leading '/'
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49 environ["PATH_INFO"] = environ["PATH_INFO"][1:]
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50 if request.timing:
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51 environ["CGI_SHOW_TIMING"] = request.timing
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52
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53 form = cgi.FieldStorage(fp=environ['wsgi.input'], environ=environ)
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54
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55 client = tracker.Client(tracker, request, environ, form,
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56 request.translator)
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57 try:
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58 client.main()
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59 except roundup.cgi.client.NotFound:
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60 request.start_response([('Content-Type', 'text/html')], 404)
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61 request.wfile.write('Not found: %s'%client.path)
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62
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63 # all body data has been written using wfile
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64 return []
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65
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66 def start_response(self, headers, response_code):
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67 """Set HTTP response code"""
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68 description = BaseHTTPRequestHandler.responses[response_code]
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69 self.__wfile = self.__start_response('%d %s'%(response_code,
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70 description), headers)
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71
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72 def get_wfile(self):
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73 if self.__wfile is None:
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74 raise ValueError, 'start_response() not called'
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75 return self.__wfile
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76
Roundup Issue Tracker: http://roundup-tracker.org/