def poll_feed_sub(mb, sub, config):
if sub.subscription_type != FEED_SUBSCRIPTION_TYPE:
return False
# sweet, go ahead...
client = http.create_client(config)
try:
poll_feed(mb, sub, client)
finally:
http.close_all(client)
return True
def _feed_links_html(request, query):
if query is None:
return None
client = http.create_client(request.context.config)
try:
headers = {'Connection': 'close'}
response, content = client.request(query, headers=headers)
if response.status != 200:
return None
ct = response.get('content-type', '')
if ';' in ct:
ct = ct[0:ct.find(';')]
ct = ct.strip()
if ct not in HTML_TYPES:
return None
# parse html
links = []
parser = html5lib.HTMLParser(tree=treebuilders.getTreeBuilder("etree", etree),
namespaceHTMLElements=False)
html = parser.parse(content)
for link in html.find("head").findall("link"):
if link.get("rel", "").lower() == "alternate":
linktype = link.get("type", "").lower()
if linktype in FEED_TYPES:
href = link.get("href", "")
if href:
feed_item = {'url': href, 'title': link.get("title", "")}
links.append(feed_item)
return links
except:
log.error("Error finding feed links at %s: %s" % (query, traceback.format_exc()))
return None
finally:
http.close_all(client)
def _feed_info(request, query):
if query is None:
return None
client = http.create_client(request.context.config)
try:
headers = {'Connection': 'close'}
response, content = client.request(query, headers=headers)
if response.status != 200:
return None
ff = feedparser.parse(content)
if ff and 'feed' in ff and 'bozo_exception' not in ff:
return {'url': query,
'title': ff.feed.get('title', '')}
else:
return None
except:
log.error("Error verifying feed at %s: %s" % (query, traceback.format_exc()))
return None
finally:
http.close_all(client)
