Files
i2p.www/i2p2www/blog/helpers.py
str4d 785f627d7a Reorganized site and blog views and helpers to use LazyView
This increases the speed of the site by not requiring the site and blog code to
be imported on every request - just those that are relevant. It also splits the
code into modules which are easier to work with.
2012-12-19 06:53:59 +00:00

83 lines
2.2 KiB
Python

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