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annotate roundup/cgi/wsgi_handler.py @ 3882:46ef2a6fd79d

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config option to limit nosy attachments based on size reworking of patch [SF#772323] from Philipp Gortan It tries to avoid reading the file contents just to get the file size but that was too hard for metakit backends. They don't inherit from blobfiles.FileStorage which makes it more challenging. Really that backend should be reworked to inherit from FileStorage. I'm not sure I like the default being sys.maxint. Maybe have 0 == unlimited? But what if someone really wanted to set it to 0 to mean "don't attach anything"?
author Justus Pendleton <jpend@users.sourceforge.net>
date Mon, 03 Sep 2007 17:14:09 +0000
parents a2d22d0de0bc
children 0728808fdf5c
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3736
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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 self.__start_response = start_response
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41
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42 self.wfile = Writer(self)
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43 self.__wfile = None
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44
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45 tracker = roundup.instance.open(self.home, not self.debug)
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46
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47 # need to strip the leading '/'
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48 environ["PATH_INFO"] = environ["PATH_INFO"][1:]
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49 if self.timing:
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50 environ["CGI_SHOW_TIMING"] = self.timing
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51
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52 form = cgi.FieldStorage(fp=environ['wsgi.input'], environ=environ)
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53
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54 client = tracker.Client(tracker, self, environ, form,
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55 self.translator)
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56 try:
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57 client.main()
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58 except roundup.cgi.client.NotFound:
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59 self.start_response([('Content-Type', 'text/html')], 404)
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60 self.wfile.write('Not found: %s'%client.path)
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61
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62 # all body data has been written using wfile
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63 return []
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64
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65 def start_response(self, headers, response_code):
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66 """Set HTTP response code"""
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67 description = BaseHTTPRequestHandler.responses[response_code]
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68 self.__wfile = self.__start_response('%d %s'%(response_code,
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69 description), headers)
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70
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71 def get_wfile(self):
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72 if self.__wfile is None:
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73 raise ValueError, 'start_response() not called'
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74 return self.__wfile
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75
Roundup Issue Tracker: http://roundup-tracker.org/