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annotate piecrust/taxonomies.py @ 440:32c7c2d219d2

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performance: Refactor how data is managed to reduce copying. * Make use of `collections.abc.Mapping` to better identify things that are supposed to look like dictionaries. * Instead of handling "overlay" of data in a dict tree in each different data object, make all objects `Mapping`s and handle merging at a higher level with the new `MergedMapping` object. * Since this new object is read-only, remove the need for deep-copying of app and page configurations. * Split data classes into separate modules.
author Ludovic Chabant <ludovic@chabant.com>
date Sun, 28 Jun 2015 08:22:39 -0700
parents e7b865f8f335
children
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f130365568ff internal: Code reorganization to put less stuff in `sources.base`.
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1 from piecrust.sources.pageref import PageRef, PageNotFoundError
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4 class Taxonomy(object):
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5 def __init__(self, app, name, config):
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6 self.app = app
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7 self.name = name
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8 self.term_name = config.get('term', name)
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9 self.is_multiple = config.get('multiple', False)
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10 self.page_ref = config.get('page')
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11 self._source_page_refs = {}
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13 @property
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14 def setting_name(self):
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15 if self.is_multiple:
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16 return self.name
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17 return self.term_name
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19 def resolvePagePath(self, source):
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20 pr = self.getPageRef(source)
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21 try:
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22 return pr.path
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23 except PageNotFoundError:
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24 return None
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26 def getPageRef(self, source):
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27 if source.name in self._source_page_refs:
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28 return self._source_page_refs[source.name]
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30 ref_path = source.getTaxonomyPageRef(self.name)
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31 page_ref = PageRef(self.app, ref_path)
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32 self._source_page_refs[source.name] = page_ref
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33 return page_ref
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