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