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annotate piecrust/formatting/markdownformatter.py @ 457:7d868afc6791

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rendering: Truly skip formatters that are not enabled. This make `smartypants` work as expected.
author Ludovic Chabant <ludovic@chabant.com>
date Thu, 09 Jul 2015 21:23:01 -0700
parents e7b865f8f335
children 79f03b5c1b8f
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d1a472464e57 markdown: Cache the formatter once.
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1 from markdown import Markdown
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2 from piecrust.formatting.base import Formatter
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5 class MarkdownFormatter(Formatter):
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6 FORMAT_NAMES = ['markdown', 'mdown', 'md']
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7 OUTPUT_FORMAT = 'html'
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9 def __init__(self):
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10 super(MarkdownFormatter, self).__init__()
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11 self._formatter = None
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13 def render(self, format_name, txt):
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14 assert format_name in self.FORMAT_NAMES
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15 self._ensureInitialized()
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16 return self._formatter.reset().convert(txt)
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18 def _ensureInitialized(self):
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19 if self._formatter is not None:
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20 return
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22 config = self.app.config.get('markdown')
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23 if config is None:
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24 config = {}
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25 elif not isinstance(config, dict):
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26 raise Exception("The `markdown` configuration setting must be "
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27 "a dictionary.")
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29 extensions = config.get('extensions')
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30 if extensions is None:
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31 extensions = []
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32 if isinstance(extensions, str):
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33 extensions = [e.strip() for e in extensions.split(',')]
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34 # Compatibility with PieCrust 1.x
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35 if config.get('use_markdown_extra'):
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36 extensions.append('extra')
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38 self._formatter = Markdown(extensions=extensions)
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