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annotate piecrust/sources/prose.py @ 750:377f4b626e74 2.0.0rc1

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cm: Regenerate the CHANGELOG.
author Ludovic Chabant <ludovic@chabant.com>
date Thu, 09 Jun 2016 22:35:18 -0700
parents 65db6df28120
children 4850f8c21b6e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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55910ab4bfea First draft of the `prose` page source.
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1 import os
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2 import os.path
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3 import copy
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4 import logging
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5 from piecrust.sources.base import MODE_CREATING, MODE_PARSING
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6 from piecrust.sources.default import DefaultPageSource
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9 logger = logging.getLogger(__name__)
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12 class ProseSource(DefaultPageSource):
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13 SOURCE_NAME = 'prose'
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15 def __init__(self, app, name, config):
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16 super(ProseSource, self).__init__(app, name, config)
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17 self.config_recipe = config.get('config', {})
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19 def _populateMetadata(self, rel_path, metadata, mode=None):
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20 metadata['config'] = self._makeConfig(rel_path, mode)
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22 def _makeConfig(self, rel_path, mode):
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23 c = copy.deepcopy(self.config_recipe)
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24 if c.get('title') == '%first_line%' and mode != MODE_CREATING:
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25 path = os.path.join(self.fs_endpoint_path, rel_path)
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26 try:
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27 c['title'] = get_first_line(path)
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28 except IOError:
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29 if mode == MODE_PARSING:
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30 raise
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31 return c
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34 def get_first_line(path):
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35 with open(path, 'r') as f:
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36 while True:
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37 l = f.readline()
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38 if not l:
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39 break
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40 l = l.strip()
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41 if not l:
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42 continue
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43 return l
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44 return None
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