annotate wiki/signals.py @ 645:99f7917702ca
Fix 081a88b3bfc8, javascript resize of forum images.
Commit 081a88b3bfc8 broke those pages that loaded forums.js but did not load
the imagesLoaded jQuery extension. Now we have arranged it so that only the
forums topic view loads imagesLoaded and put the resizing javascript inline.
| author |
Brian Neal <bgneal@gmail.com> |
| date |
Mon, 11 Mar 2013 15:30:25 -0500 |
| parents |
63603e931503 |
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| rev |
line source |
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bgneal@626
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1 """Signal handlers for wiki integration.
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2
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3 We are interested in hearing about users logging in and out, so we can create
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4 and destroy an external cookie to allow access to the wiki.
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5
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6 """
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7 import logging
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8
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9 from django.contrib.auth.signals import user_logged_in, user_logged_out
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10
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11 from wiki.constants import SESSION_SET_MEMBER
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12
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13 logger = logging.getLogger(__name__)
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14
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15
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16 def login_callback(sender, request, user, **kwargs):
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17 """Signal callback function for a user logging in.
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18
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19 Sets a flag for the middleware to create an external cookie.
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20
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21 """
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22 logger.info('User login: %s', user.username)
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23
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24 request.wiki_set_cookie = True
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25
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26
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27 def logout_callback(sender, request, user, **kwargs):
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28 """Signal callback function for a user logging in.
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29
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30 Sets a flag for the middleware to delete the external cookie.
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31
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32 Since the user is about to logout, her session will be wiped out after
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33 this function returns. This forces us to set an attribute on the request
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34 object so that the response middleware can delete the wiki's cookie.
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35
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36 """
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37 if user:
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38 logger.info('User logout: %s', user.username)
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39
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40 # Remember what Redis set member to delete by adding an attribute to the
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41 # request object:
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42 request.wiki_delete_cookie = request.session.get(SESSION_SET_MEMBER)
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43
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44
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45 user_logged_in.connect(login_callback, dispatch_uid='wiki.signals.login')
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46 user_logged_out.connect(logout_callback, dispatch_uid='wiki.signals.logout')
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