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annotate piecrust/dataproviders/base.py @ 856:9bb22bbe093c

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refactor: Make the blog archives functional again. The blog archives are using the same pattern as the taxonomy support.
author Ludovic Chabant <ludovic@chabant.com>
date Tue, 06 Jun 2017 01:23:25 -0700
parents 08e02c2a2a1a
children d231a10d18f9
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1 from piecrust.configuration import ConfigurationError
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2
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3
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4 class DataProvider:
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5 """ The base class for a data provider.
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6 """
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7 PROVIDER_NAME = None
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8
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9 debug_render_dynamic = []
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10 debug_render_invoke_dynamic = []
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12 def __init__(self, source, page):
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13 self._page = page
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14 self._sources = []
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15 if source is not None:
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16 self._sources.append(source)
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17
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18 def _addSource(self, source):
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19 self._sources.append(source)
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22 def build_data_provider(provider_type, source, page):
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23 if not provider_type:
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24 raise Exception("No data provider type specified.")
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26 for p in page.app.plugin_loader.getDataProviders():
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27 if p.PROVIDER_NAME == provider_type:
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28 pclass = p
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29 break
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30 else:
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31 raise ConfigurationError("Unknown data provider type: %s" %
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32 provider_type)
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33
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34 return pclass(source, page)
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