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comparison piecrust/sources/mixins.py @ 280:8c0c53a315ae

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data: Correctly build pagination filters when we know items are pages.
author Ludovic Chabant <ludovic@chabant.com>
date Sun, 01 Mar 2015 21:39:26 -0800
parents 07b4b8484c0a
children 4b1019bb2533
comparison
equal deleted inserted replaced
279:980bbbd0705e 280:8c0c53a315ae
1 import os 1 import os
2 import os.path 2 import os.path
3 import logging 3 import logging
4 from piecrust.data.base import PaginationData 4 from piecrust.data.base import PaginationData
5 from piecrust.data.filters import PaginationFilter 5 from piecrust.data.filters import PaginationFilter, page_value_accessor
6 from piecrust.sources.base import PageFactory 6 from piecrust.sources.base import PageFactory
7 from piecrust.sources.interfaces import IPaginationSource, IListableSource 7 from piecrust.sources.interfaces import IPaginationSource, IListableSource
8 8
9 9
10 logger = logging.getLogger(__name__) 10 logger = logging.getLogger(__name__)
42 yield None 42 yield None
43 else: 43 else:
44 yield PaginationData(page) 44 yield PaginationData(page)
45 45
46 46
47 def page_setting_accessor(item, name):
48 return item.config.get(name)
49
50
51 class SimplePaginationSourceMixin(IPaginationSource): 47 class SimplePaginationSourceMixin(IPaginationSource):
52 """ Implements the `IPaginationSource` interface in a standard way that 48 """ Implements the `IPaginationSource` interface in a standard way that
53 should fit most page sources. 49 should fit most page sources.
54 """ 50 """
55 def getItemsPerPage(self): 51 def getItemsPerPage(self):
68 conf = (page.config.get('items_filters') or 64 conf = (page.config.get('items_filters') or
69 self.config.get('items_filters')) 65 self.config.get('items_filters'))
70 if conf == 'none' or conf == 'nil' or conf == '': 66 if conf == 'none' or conf == 'nil' or conf == '':
71 conf = None 67 conf = None
72 if conf is not None: 68 if conf is not None:
73 f = PaginationFilter() 69 f = PaginationFilter(value_accessor=page_value_accessor)
74 f.addClausesFromConfig(conf) 70 f.addClausesFromConfig(conf)
75 return f 71 return f
76 return None 72 return None
77 73
78 def getSettingAccessor(self): 74 def getSettingAccessor(self):
79 return page_setting_accessor 75 return page_value_accessor
80 76
81 77
82 class SimpleListableSourceMixin(IListableSource): 78 class SimpleListableSourceMixin(IListableSource):
83 """ Implements the `IListableSource` interface for sources that map to 79 """ Implements the `IListableSource` interface for sources that map to
84 simple file-system structures. 80 simple file-system structures.