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annotate piecrust/sources/generator.py @ 857:d231a10d18f9

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refactor: Make the data providers and blog archives source functional. Also, because of a behaviour change in Jinja, the blog archives sources is now offering monthly archives by itself.
author Ludovic Chabant <ludovic@chabant.com>
date Thu, 08 Jun 2017 08:49:33 -0700
parents 9bb22bbe093c
children d1095774bfcf
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856
9bb22bbe093c refactor: Make the blog archives functional again.
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1 import io
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2 import time
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3 from werkzeug.utils import cached_property
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4 from piecrust.configuration import ConfigurationError
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5 from piecrust.sources.base import ContentSource, GeneratedContentException
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6
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8 class GeneratorSourceBase(ContentSource):
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9 def __init__(self, app, name, config):
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10 super().__init__(app, name, config)
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11
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12 source_name = config.get('source')
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13 if source_name is None:
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14 raise ConfigurationError(
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15 "Taxonomy source '%s' requires an inner source." % name)
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16 self._inner_source_name = source_name
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17
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18 self._raw_item = ''
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19
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20 @cached_property
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21 def inner_source(self):
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22 return self.app.getSource(self._inner_source_name)
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23
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24 def getContents(self, group):
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25 # Our content is procedurally generated from other content sources,
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26 # so we really don't support listing anything here -- it would be
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27 # typically quite costly.
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28 raise GeneratedContentException()
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29
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30 def openItem(self, item, mode='r', **kwargs):
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31 return io.StringIO(self._raw_item)
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32
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33 def getItemMtime(self, item):
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34 return time.time()
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35