Added recipe for Ars Technica (thanks to Michael Warner)

src/calibre/utils/sftp.py

@@ -68,7 +68,7 @@ def connect_to_url(url, getpw=portable_getpass, mode='r+', bufsize=-1):
         raise Exception(_('Failed to negotiate SSH session: ') + str(t.get_exception()))
     if not agent_auth(t, username):
         if not password_auth(t, username, host, getpw):
-            raise ValueError(_('Failed to authenticate with server: %s'%url))
+            raise ValueError(_('Failed to authenticate with server: %s')%url)
     sftp = paramiko.SFTPClient.from_transport(t)
     return sftp, sftp.open(path, mode=mode, bufsize=bufsize)
 

src/calibre/web/feeds/recipes/__init__.py

@@ -8,6 +8,7 @@ recipes = [
            'newsweek', 'atlantic', 'economist', 'portfolio', 
            'nytimes', 'usatoday', 'outlook_india', 'bbc', 'greader', 'wsj',
            'wired', 'globe_and_mail', 'smh', 'espn', 'business_week',
+           'ars_technica',
           ]
 
 import re, imp, inspect, time

src/calibre/web/feeds/recipes/ars_technica.py

@@ -0,0 +1,49 @@
+#!/usr/bin/env  python
+__license__   = 'GPL v3'
+__copyright__ = '2008, Kovid Goyal kovid@kovidgoyal.net'
+__docformat__ = 'restructuredtext en'
+
+'''
+arstechnica.com
+'''
+
+from calibre.web.feeds.news import BasicNewsRecipe
+
+class ArsTechnica(BasicNewsRecipe):
+    title          = 'Ars Technica'
+    description    = 'The art of technology'
+    oldest_article = 7
+    no_stylesheets = True
+    __author__     = 'Michael Warner'
+    max_articles_per_feed = 100
+    extra_css = """
+body {
+   font: normal 19px/180% Times, serif;
+}
+
+h1, h2, h3, h4 {
+   font: bold 28px/100% Verdana, Arial, Helvetica, sans-serif;
+   margin-top: 19px
+}
+"""
+    remove_tags = [
+                   dict(id="Masthead"),
+                   dict(id="Banner"),
+                   dict(id="Nav"),
+                   dict(name='div', attrs={'class':'ContentHeader'}), 
+                   dict(name='img'), 
+                   dict(name='div', attrs={'class':'Inset RelatedStories'}), 
+                   dict(name='div', attrs={'class':'Tags'}), 
+                   dict(name='div', attrs={'class':'PostOptions flat'}),
+                   dict(name='div', attrs={'class':'ContentFooter'}),
+                   dict(id="Sidebar"),
+                   dict(id="LatestPosts"),
+                   dict(id="Footer")]
+    feeds       = [(u'News and Features', u'http://feeds.arstechnica.com/arstechnica/BAaf'),
+                   (u'Nobel Intent (Science)', u'http://arstechnica.com/journals/science.rssx'),
+                   (u'Infinite Loop (Apple)', u'http://arstechnica.com/journals/apple.rssx'),
+                   (u'M-Dollar (Microsoft)', u'http://arstechnica.com/journals/microsoft.rssx'),
+                   (u'Open Ended (Linux)', u'http://arstechnica.com/journals/linux.rssx'),
+                   (u'Opposable Thumbs (Games)', u'http://arstechnica.com/journals/thumbs.rssx'),
+                   (u'Kit (Hardware)', u'http://arstechnica.com/journals/hardware.rssx'),
+                   (u'Journals', u'http://arstechnica.com/journals.rssx')]