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69 lines
2.2 KiB
69 lines
2.2 KiB
7 years ago
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"""
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jinja2content.py
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----------------
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Pelican plugin that processes Markdown files as jinja templates.
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"""
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from os import path
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from pelican import signals
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from pelican.readers import Markdown, MarkdownReader
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from pelican.utils import pelican_open
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from jinja2 import Environment, FileSystemLoader, ChoiceLoader
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class JinjaMarkdownReader(MarkdownReader):
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def __init__(self, *args, **kwargs):
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super(JinjaMarkdownReader, self).__init__(*args, **kwargs)
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# will look first in 'JINJA2CONTENT_TEMPLATES', by default the
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# content root path, then in the theme's templates
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# local_templates_dirs = self.settings.get('JINJA2CONTENT_TEMPLATES', ['.'])
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# local_templates_dirs = path.join(self.settings['PATH'], local_templates_dirs)
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local_dirs = self.settings.get('JINJA2CONTENT_TEMPLATES', ['.'])
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local_dirs = [path.join(self.settings['PATH'], folder)
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for folder in local_dirs]
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theme_dir = path.join(self.settings['THEME'], 'templates')
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loaders = [FileSystemLoader(_dir) for _dir
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in local_dirs + [theme_dir]]
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if 'JINJA_ENVIRONMENT' in self.settings: # pelican 3.7
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jinja_environment = self.settings['JINJA_ENVIRONMENT']
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else:
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jinja_environment = {
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'trim_blocks': True,
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'lstrip_blocks': True,
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'extensions': self.settings['JINJA_EXTENSIONS']
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}
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self.env = Environment(
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loader=ChoiceLoader(loaders),
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**jinja_environment)
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def read(self, source_path):
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"""Parse content and metadata of markdown files.
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Rendering them as jinja templates first.
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"""
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self._source_path = source_path
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self._md = Markdown(extensions=self.settings['MARKDOWN']['extensions'])
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with pelican_open(source_path) as text:
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text = self.env.from_string(text).render()
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content = self._md.convert(text)
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metadata = self._parse_metadata(self._md.Meta)
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return content, metadata
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def add_reader(readers):
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for ext in MarkdownReader.file_extensions:
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readers.reader_classes[ext] = JinjaMarkdownReader
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def register():
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signals.readers_init.connect(add_reader)
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