83 lines
2.2 KiB
Python
83 lines
2.2 KiB
Python
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import codecs
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import datetime
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from docutils.core import publish_parts
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from flask import abort, g, safe_join, url_for
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import os
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import os.path
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from i2p2www import BLOG_DIR
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#####################
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# Blog helper methods
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def get_blog_feed_items(num=0):
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entries = get_blog_entries(num)
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items = []
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for entry in entries:
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parts = render_blog_entry(entry[0])
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if parts:
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a = {}
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a['title'] = parts['title']
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a['content'] = parts['fragment']
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a['url'] = url_for('blog_entry', lang=g.lang, slug=entry[0])
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a['updated'] = datetime.datetime.strptime(entry[1], '%Y-%m-%d')
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items.append(a)
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return items
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def get_blog_entries(num=0):
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"""
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Returns the latest #num valid entries sorted by date, or all slugs if num=0.
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"""
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slugs = get_blog_slugs(num)
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entries= []
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for slug in slugs:
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date = get_date_from_slug(slug)
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titlepart = slug.rsplit('/', 1)[1]
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title = ' '.join(titlepart.split('_'))
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entries.append((slug, date, title))
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return entries
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def get_blog_slugs(num=0):
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"""
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Returns the latest #num valid slugs sorted by date, or all slugs if num=0.
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"""
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# list of slugs
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slugs=[]
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# walk over all directories/files
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for v in os.walk(BLOG_DIR):
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# iterate over all files
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slugbase = os.path.relpath(v[0], BLOG_DIR)
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for f in v[2]:
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# ignore all non-.rst files
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if not f.endswith('.rst'):
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continue
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slugs.append(safe_join(slugbase, f[:-4]))
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slugs.sort()
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slugs.reverse()
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if (num > 0):
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return slugs[:num]
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return slugs
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def get_date_from_slug(slug):
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parts = slug.split('/')
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return "%s-%s-%s" % (parts[0], parts[1], parts[2])
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def render_blog_entry(slug):
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"""
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Render the blog entry
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TODO:
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- caching
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- move to own file
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"""
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# check if that file actually exists
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path = safe_join(BLOG_DIR, slug + ".rst")
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if not os.path.exists(path):
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abort(404)
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# read file
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with codecs.open(path, encoding='utf-8') as fd:
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content = fd.read()
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return publish_parts(source=content, source_path=BLOG_DIR, writer_name="html")
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