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1 # |
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2 # Copyright (c) 2008-2015 Thierry Florac <tflorac AT ulthar.net> |
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3 # All Rights Reserved. |
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4 # |
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5 # This software is subject to the provisions of the Zope Public License, |
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6 # Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution. |
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7 # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED |
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8 # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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9 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS |
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10 # FOR A PARTICULAR PURPOSE. |
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11 # |
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12 |
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13 __docformat__ = 'restructuredtext' |
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14 |
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15 |
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16 # import standard library |
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17 |
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18 # import interfaces |
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19 from pyams_gis.interfaces.utility import IMapManager |
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20 from pyams_utils.interfaces.site import ISiteGenerations |
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21 from zope.site.interfaces import INewLocalSite |
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22 |
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23 # import packages |
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24 from pyams_gis.utility import MapManager |
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25 from pyams_utils.registry import utility_config |
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26 from pyams_utils.site import check_required_utilities |
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27 from pyramid.events import subscriber |
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28 |
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29 |
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30 REQUIRED_UTILITIES = ((IMapManager, '', MapManager, 'Maps manager'), ) |
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31 |
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32 |
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33 @subscriber(INewLocalSite) |
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34 def handle_new_local_site(event): |
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35 """Create a new map manager when a site is created""" |
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36 site = event.manager.__parent__ |
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37 check_required_utilities(site, REQUIRED_UTILITIES) |
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38 |
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39 |
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40 @utility_config(name='PyAMS GIS', provides=ISiteGenerations) |
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41 class MapGenerationsChecker(object): |
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42 """Maps generations checker""" |
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43 |
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44 generation = 1 |
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45 |
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46 def evolve(self, site, current=None): |
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47 """Check for required utilities""" |
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48 check_required_utilities(site, REQUIRED_UTILITIES) |