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89 lines
2.0 KiB
89 lines
2.0 KiB
# -*- coding: utf-8 -*-
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"""
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Random Article Plugin For Pelican
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========================
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This plugin generates a html file which redirect to a random article
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using javascript's window.location. The generated html file is
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saved at SITEURL.
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"""
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from __future__ import unicode_literals
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import os.path
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from logging import info
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from codecs import open
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from pelican import signals
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HTML_TOP = """
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<!DOCTYPE html>
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<head>
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<title>random</title>
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<script type="text/javascript">
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function redirect(){
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var urls = [
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"""
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HTML_BOTTOM = """
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""];
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var index = Math.floor(Math.random() * (urls.length-1));
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window.location = urls[index];
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}
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</script>
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<body onload="redirect()">
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</body>
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</html>
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"""
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ARTICLE_URL = """ "{0}/{1}",
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"""
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class RandomArticleGenerator(object):
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"""
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The structure is derived from sitemap plugin
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"""
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def __init__(self, context, settings, path, theme, output_path, *null):
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self.output_path = output_path
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self.context = context
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self.siteurl = settings.get('SITEURL')
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self.randomurl = settings.get('RANDOM')
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def write_url(self, article, fd):
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if getattr(article, 'status', 'published') != 'published':
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return
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page_path = os.path.join(self.output_path, article.url)
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if not os.path.exists(page_path):
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return
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fd.write(ARTICLE_URL.format(self.siteurl, article.url))
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def generate_output(self, writer):
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path = os.path.join(self.output_path, self.randomurl)
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articles = self.context['articles']
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info('writing {0}'.format(path))
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if len(articles) == 0:
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return
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with open(path, 'w', encoding='utf-8') as fd:
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fd.write(HTML_TOP)
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for art in articles:
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self.write_url(art, fd)
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fd.write(HTML_BOTTOM)
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def get_generators(generators):
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return RandomArticleGenerator
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def register():
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signals.get_generators.connect(get_generators)
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