1 | import logging |
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2 | from zope.component import getSiteManager |
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3 | |
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4 | logger = logging.getLogger('quintagroup.plonecaptchas') |
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5 | |
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6 | |
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7 | def registerDiscussionLayer(context): |
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8 | """ Register browser layer for extending discussion |
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9 | with quintagroup captcha |
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10 | """ |
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11 | from quintagroup.plonecaptchas.interfaces import IQGDiscussionCaptchas |
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12 | from plone.browserlayer.utils import register_layer |
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13 | name = "QGCaptchaDiscussionLayer" |
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14 | site = getSiteManager(context) |
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15 | register_layer(IQGDiscussionCaptchas, name, site_manager=site) |
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16 | |
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17 | |
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18 | def removeBrowserLayers(site): |
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19 | """ Remove browser layers. |
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20 | """ |
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21 | from plone.browserlayer.utils import unregister_layer |
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22 | from plone.browserlayer.interfaces import ILocalBrowserLayerType |
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23 | |
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24 | layers = ["quintagroup.plonecaptchas", "QGCapchaDiscussionLayer"] |
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25 | site = getSiteManager(site) |
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26 | registeredLayers = [r.name for r in site.registeredUtilities() |
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27 | if r.provided == ILocalBrowserLayerType] |
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28 | for name in layers: |
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29 | if name in registeredLayers: |
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30 | unregister_layer(name, site_manager=site) |
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31 | logger.log(logging.INFO, |
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32 | "Unregistered \"%s\" browser layer." % name) |
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33 | |
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34 | |
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35 | def uninstall(context): |
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36 | """ Do customized uninstallation. |
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37 | """ |
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38 | if context.readDataFile('qgplonecaptchas_uninstall.txt') is None: |
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39 | return |
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40 | site = context.getSite() |
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41 | removeBrowserLayers(site) |
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