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.
This commit is contained in:
str4d
@ -14,7 +14,7 @@ try:
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except ImportError:
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import simplejson as json
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from helpers import Pagination
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from helpers import LazyView, Pagination
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CURRENT_I2P_VERSION = '0.9.4'
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@ -36,6 +36,24 @@ app.debug = bool(os.environ.get('APP_DEBUG', 'False'))
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babel = Babel(app)
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######
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# URLs
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def url(url_rule, import_name, **options):
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view = LazyView('i2p2www.' + import_name)
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app.add_url_rule(url_rule, view_func=view, **options)
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url('/', 'views.main_index')
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url('/<string:lang>/', 'views.site_show', defaults={'page': 'index'})
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url('/<string:lang>/<path:page>', 'views.site_show')
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url('/<string:lang>/blog/', 'blog.views.blog_index', defaults={'page': 1})
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url('/<string:lang>/blog/page/<int:page>', 'blog.views.blog_index')
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url('/<string:lang>/blog/entry/<path:slug>', 'blog.views.blog_entry')
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url('/<string:lang>/feed/blog/rss', 'blog.views.blog_rss')
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url('/<string:lang>/feed/blog/atom', 'blog.views.blog_atom')
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#################
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# Babel selectors
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@ -186,50 +204,6 @@ def server_error(error):
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return render_template('global/error_500.html'), 500
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########################
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# General helper methods
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def get_for_page(items, page, per_page):
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from_item = (page-1)*per_page
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to_item = page*per_page
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return items[from_item:to_item]
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#######################
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# General page handlers
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# Index - redirects to en homepage
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@app.route('/')
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def main_index():
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return redirect(url_for('site_show', lang='en'))
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# Site pages
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@app.route('/<string:lang>/', defaults={'page': 'index'})
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@app.route('/<string:lang>/<path:page>')
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def site_show(page):
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if page.endswith('.html'):
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return redirect(url_for('site_show', page=page[:-5]))
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name = 'site/%s.html' % page
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page_file = safe_join(TEMPLATE_DIR, name)
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if not os.path.exists(page_file):
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# Could be a directory, so try index.html
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name = 'site/%s/index.html' % page
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page_file = safe_join(TEMPLATE_DIR, name)
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if not os.path.exists(page_file):
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# bah! those damn users all the time!
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abort(404)
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options = {
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'page': page,
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}
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if (page == 'index'):
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options['blog_entries'] = get_blog_entries(8)
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# hah!
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return render_template(name, **options)
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########################
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# Meeting helper methods
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@ -446,123 +420,6 @@ def downloads_redirect(protocol, file, mirror):
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return redirect(mirrors[randint(0, len(mirrors) - 1)]['url'] % data)
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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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###############
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# Blog handlers
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@app.route('/<string:lang>/blog/', defaults={'page': 1})
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@app.route('/<string:lang>/blog/page/<int:page>')
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def blog_index(page):
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all_entries = get_blog_entries()
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entries = get_for_page(all_entries, page, BLOG_ENTRIES_PER_PAGE)
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if not entries and page != 1:
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abort(404)
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pagination = Pagination(page, BLOG_ENTRIES_PER_PAGE, len(all_entries))
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return render_template('blog/index.html', pagination=pagination, entries=entries)
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@app.route('/<string:lang>/blog/entry/<path:slug>')
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def blog_entry(slug):
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# try to render that blog entry.. throws 404 if it does not exist
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parts = render_blog_entry(slug)
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if parts:
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# now just pass to simple template file and we are done
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return render_template('blog/entry.html', parts=parts, title=parts['title'], body=parts['fragment'], slug=slug)
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else:
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abort(404)
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@app.route('/<string:lang>/feed/blog/rss')
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def blog_rss():
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# TODO: implement
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pass
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@app.route('/<string:lang>/feed/blog/atom')
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def blog_atom():
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# TODO: Only output beginning of each blog entry
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feed = AtomFeed('I2P Blog', feed_url=request.url, url=request.url_root)
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items = get_blog_feed_items(10)
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for item in items:
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feed.add(item['title'],
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item['content'],
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content_type='html',
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url=item['url'],
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updated=item['updated'])
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return feed.get_response()
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############
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# Root files
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0
i2p2www/blog/__init__.py
Normal file
0
i2p2www/blog/__init__.py
Normal file
82
i2p2www/blog/helpers.py
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82
i2p2www/blog/helpers.py
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@ -0,0 +1,82 @@
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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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44
i2p2www/blog/views.py
Normal file
44
i2p2www/blog/views.py
Normal file
@ -0,0 +1,44 @@
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from flask import request, abort, render_template
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from werkzeug.contrib.atom import AtomFeed
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from i2p2www import BLOG_ENTRIES_PER_PAGE
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from i2p2www.blog.helpers import get_blog_entries, get_blog_feed_items, render_blog_entry
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from i2p2www.helpers import Pagination, get_for_page
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############
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# Blog views
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def blog_index(page):
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all_entries = get_blog_entries()
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entries = get_for_page(all_entries, page, BLOG_ENTRIES_PER_PAGE)
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if not entries and page != 1:
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abort(404)
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pagination = Pagination(page, BLOG_ENTRIES_PER_PAGE, len(all_entries))
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return render_template('blog/index.html', pagination=pagination, entries=entries)
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def blog_entry(slug):
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# try to render that blog entry.. throws 404 if it does not exist
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parts = render_blog_entry(slug)
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if parts:
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# now just pass to simple template file and we are done
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return render_template('blog/entry.html', parts=parts, title=parts['title'], body=parts['fragment'], slug=slug)
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else:
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abort(404)
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def blog_rss():
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# TODO: implement
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pass
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def blog_atom():
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# TODO: Only output beginning of each blog entry
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feed = AtomFeed('I2P Blog', feed_url=request.url, url=request.url_root)
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items = get_blog_feed_items(10)
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for item in items:
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feed.add(item['title'],
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item['content'],
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content_type='html',
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url=item['url'],
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updated=item['updated'])
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return feed.get_response()
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@ -1,6 +1,18 @@
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from math import ceil
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from werkzeug import import_string, cached_property
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########################
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# General helper methods
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def get_for_page(items, page, per_page):
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from_item = (page-1)*per_page
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to_item = page*per_page
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return items[from_item:to_item]
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########################
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# General helper classes
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class LazyView(object):
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def __init__(self, import_name):
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self.__module__, self.__name__ = import_name.rsplit('.', 1)
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