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annotate website/issues/detectors/nosyreaction.py @ 4587:a2eb4fb3e6d8

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New Chameleon templating engine, engine is now configurable. We now have two configurable templating engines, the old Zope TAL templates (called zopetal in the config) and the new Chameleon (called chameleon in the config). A new config-option "template_engine" under [main] can take these config-options, the default is zopetal. Thanks to Cheer Xiao for the idea of making this configurable *and* for the actual implementation! Cheer Xiao commit log: - The original TAL engine ported from Zope is thereafter referred to as "zopetal", in speech and in code - A new option "template_engine" under [main] introduced - Zopetal-specific code stripped from cgi/templating.py to form the new cgi/engine_zopetal.py - Interface to Chameleon in cgi/engine_chameleon.py - Engines are supposed to provide a Templates class that mimics the behavior of the old cgi.templating.Templates. The Templates class is preferably subclassed from cgi.templating.TemplatesBase. - New function cgi.templating.get_templates to get the appropriate engine's Templates instance according to the engine name
author Ralf Schlatterbeck <rsc@runtux.com>
date Thu, 23 Feb 2012 18:10:03 +0100
parents c2d0d3e9099d
children dc2a8d256952
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4024
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1 import sets
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2
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3 from roundup import roundupdb, hyperdb
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4
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5 def nosyreaction(db, cl, nodeid, oldvalues):
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6 ''' A standard detector is provided that watches for additions to the
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7 "messages" property.
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8
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9 When a new message is added, the detector sends it to all the users on
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10 the "nosy" list for the issue that are not already on the "recipients"
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11 list of the message.
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12
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13 Those users are then appended to the "recipients" property on the
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14 message, so multiple copies of a message are never sent to the same
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15 user.
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16
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17 The journal recorded by the hyperdatabase on the "recipients" property
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18 then provides a log of when the message was sent to whom.
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19 '''
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20 # send a copy of all new messages to the nosy list
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21 for msgid in determineNewMessages(cl, nodeid, oldvalues):
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22 try:
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23 cl.nosymessage(nodeid, msgid, oldvalues)
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24 except roundupdb.MessageSendError, message:
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25 raise roundupdb.DetectorError, message
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26
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27 def determineNewMessages(cl, nodeid, oldvalues):
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28 ''' Figure a list of the messages that are being added to the given
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29 node in this transaction.
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30 '''
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31 messages = []
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32 if oldvalues is None:
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33 # the action was a create, so use all the messages in the create
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34 messages = cl.get(nodeid, 'messages')
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35 elif oldvalues.has_key('messages'):
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36 # the action was a set (so adding new messages to an existing issue)
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37 m = {}
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38 for msgid in oldvalues['messages']:
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39 m[msgid] = 1
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40 messages = []
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41 # figure which of the messages now on the issue weren't there before
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42 for msgid in cl.get(nodeid, 'messages'):
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43 if not m.has_key(msgid):
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44 messages.append(msgid)
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45 return messages
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46
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47 def updatenosy(db, cl, nodeid, newvalues):
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48 '''Update the nosy list for changes to the assignedto
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49 '''
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50 # nodeid will be None if this is a new node
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51 current_nosy = sets.Set()
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52 if nodeid is None:
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53 ok = ('new', 'yes')
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54 else:
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55 ok = ('yes',)
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56 # old node, get the current values from the node if they haven't
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57 # changed
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58 if not newvalues.has_key('nosy'):
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59 nosy = cl.get(nodeid, 'nosy')
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60 for value in nosy:
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61 current_nosy.add(value)
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62
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63 # if the nosy list changed in this transaction, init from the new value
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64 if newvalues.has_key('nosy'):
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65 nosy = newvalues.get('nosy', [])
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66 for value in nosy:
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67 if not db.hasnode('user', value):
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68 continue
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69 current_nosy.add(value)
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70
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71 new_nosy = sets.Set(current_nosy)
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72
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73 # add assignedto(s) to the nosy list
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74 if newvalues.has_key('assignedto') and newvalues['assignedto'] is not None:
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75 propdef = cl.getprops()
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76 if isinstance(propdef['assignedto'], hyperdb.Link):
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77 assignedto_ids = [newvalues['assignedto']]
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78 elif isinstance(propdef['assignedto'], hyperdb.Multilink):
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79 assignedto_ids = newvalues['assignedto']
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80 for assignedto_id in assignedto_ids:
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81 new_nosy.add(assignedto_id)
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82
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83 # see if there's any new messages - if so, possibly add the author and
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84 # recipient to the nosy
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85 if newvalues.has_key('messages'):
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86 if nodeid is None:
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87 ok = ('new', 'yes')
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88 messages = newvalues['messages']
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89 else:
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90 ok = ('yes',)
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91 # figure which of the messages now on the issue weren't
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92 oldmessages = cl.get(nodeid, 'messages')
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93 messages = []
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94 for msgid in newvalues['messages']:
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95 if msgid not in oldmessages:
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96 messages.append(msgid)
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97
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98 # configs for nosy modifications
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99 add_author = getattr(db.config, 'ADD_AUTHOR_TO_NOSY', 'new')
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100 add_recips = getattr(db.config, 'ADD_RECIPIENTS_TO_NOSY', 'new')
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101
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102 # now for each new message:
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103 msg = db.msg
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104 for msgid in messages:
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105 if add_author in ok:
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106 authid = msg.get(msgid, 'author')
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107 new_nosy.add(authid)
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108
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109 # add on the recipients of the message
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110 if add_recips in ok:
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111 for recipient in msg.get(msgid, 'recipients'):
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112 new_nosy.add(recipient)
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113
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114 if current_nosy != new_nosy:
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115 # that's it, save off the new nosy list
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116 newvalues['nosy'] = list(new_nosy)
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117
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118 def init(db):
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119 db.issue.react('create', nosyreaction)
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120 db.issue.react('set', nosyreaction)
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121 db.issue.audit('create', updatenosy)
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122 db.issue.audit('set', updatenosy)
Roundup Issue Tracker: http://roundup-tracker.org/