annotate wiki/signals.py @ 887:9a15f7c27526
Actually save model object upon change.
This commit was tested on the comments model.
Additional logging added.
Added check for Markdown image references.
Added TODOs after observing behavior on comments.
| author |
Brian Neal <bgneal@gmail.com> |
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Tue, 03 Feb 2015 21:09:44 -0600 |
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63603e931503 |
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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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