annotate roundup/cgi/wsgi_handler.py @ 5179:e8b3d3a14563

- issue2550796: Calendar and Classhelp selection tools don't cause onchange event to be triggered. Using the helper popups for modifying lists of users, lists of issues, dates etc.. now trigger the change event on the form's field. This allows onchange javascript to trigger to highlight changes, recalculate other form values etc. See ``upgrading.txt`` for details on applying these changes to your tracker.
author John Rouillard <rouilj@ieee.org>
date Sat, 28 Jan 2017 20:58:19 -0500
parents 7aa72c31464d
children 92757447dcf0 35ea9b1efc14 ab37c1705dbf
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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, DEFAULT_ERROR_MESSAGE
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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 if environ ['REQUEST_METHOD'] == 'OPTIONS':
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47 code = 501
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48 message, explain = BaseHTTPRequestHandler.responses[code]
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49 request.start_response([('Content-Type', 'text/html'),
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50 ('Connection', 'close')], code)
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51 request.wfile.write(DEFAULT_ERROR_MESSAGE % locals())
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52 return []
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53
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54 tracker = roundup.instance.open(self.home, not self.debug)
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55
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56 # need to strip the leading '/'
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57 environ["PATH_INFO"] = environ["PATH_INFO"][1:]
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58 if request.timing:
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59 environ["CGI_SHOW_TIMING"] = request.timing
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60
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61 form = cgi.FieldStorage(fp=environ['wsgi.input'], environ=environ)
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62
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63 client = tracker.Client(tracker, request, environ, form,
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64 request.translator)
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65 try:
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66 client.main()
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67 except roundup.cgi.client.NotFound:
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68 request.start_response([('Content-Type', 'text/html')], 404)
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69 request.wfile.write('Not found: %s'%client.path)
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70
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71 # all body data has been written using wfile
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72 return []
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73
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74 def start_response(self, headers, response_code):
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75 """Set HTTP response code"""
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76 message, explain = BaseHTTPRequestHandler.responses[response_code]
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77 self.__wfile = self.__start_response('%d %s'%(response_code,
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78 message), headers)
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79
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80 def get_wfile(self):
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81 if self.__wfile is None:
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82 raise ValueError, 'start_response() not called'
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83 return self.__wfile
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84

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