forked from github/pelican
836d4ea117
Added some more notes about how this is working on the documentation. I do think that the overall structure is clearer now, and easiest to understand. After all, that's how it should always be ! --HG-- rename : pelican/processors.py => pelican/generators.py rename : pelican/generators.py => pelican/writers.py
80 lines
2.8 KiB
Python
80 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
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import os
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from codecs import open
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from feedgenerator import Atom1Feed, Rss201rev2Feed
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from pelican.utils import get_relative_path
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class Writer(object):
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def __init__(self, output_path):
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self.output_path = output_path
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def write_feed(self, elements, context, filename=None, feed_type='atom'):
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"""Generate a feed with the list of articles provided
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Return the feed. If no output_path or filename is specified, just return
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the feed object.
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:param articles: the articles to put on the feed.
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:param context: the context to get the feed metadata.
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:param output_path: where to output the file.
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:param filename: the filename to output.
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:param feed_type: the feed type to use (atom or rss)
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"""
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site_url = context.get('SITEURL', get_relative_path(filename))
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feed_class = Rss201rev2Feed if feed_type == 'rss' else Atom1Feed
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feed = feed_class(
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title=context['SITENAME'],
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link=site_url,
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feed_url= "%s/%s" % (site_url, filename),
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description=context.get('SITESUBTITLE', ''))
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for element in elements:
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feed.add_item(
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title=element.title,
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link= "%s/%s" % (site_url, element.url),
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description=element.content,
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categories=element.tags if hasattr(element, "tags") else None,
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author_name=getattr(element, 'author', 'John Doe'),
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pubdate=element.date)
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if filename:
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complete_path = os.path.join(self.output_path, filename)
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try:
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os.makedirs(os.path.dirname(complete_path))
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except Exception:
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pass
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fp = open(complete_path, 'w')
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feed.write(fp, 'utf-8')
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print u' [ok] writing %s' % complete_path
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fp.close()
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return feed
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def write_file(self, name, template, context, relative_urls=True,
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**kwargs):
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"""Render the template and write the file.
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:param name: name of the file to output
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:param template: template to use to generate the content
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:param context: dict to pass to the templates.
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:param relative_urls: use relative urls or absolutes ones
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:param **kwargs: additional variables to pass to the templates
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"""
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localcontext = context.copy()
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if relative_urls:
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localcontext['SITEURL'] = get_relative_path(name)
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localcontext.update(kwargs)
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output = template.render(localcontext)
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filename = os.sep.join((self.output_path, name))
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try:
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os.makedirs(os.path.dirname(filename))
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except Exception:
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pass
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with open(filename, 'w', encoding='utf-8') as f:
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f.write(output)
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print u' [ok] writing %s' % filename
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