def hasImage(obj, **kwargs):
""" Get image url
"""
if not IRSSNewsItem.providedBy(obj):
raise AttributeError
try:
image = obj.getField('image').getAccessor(obj)()
except Exception:
raise AttributeError
else:
return True if image else False
def sourceUrl(obj, **kwargs):
""" Index source url
"""
if not IRSSNewsItem.providedBy(obj):
raise AttributeError
try:
url = obj.getField('url').getAccessor(obj)()
except Exception:
raise AttributeError
else:
return url
def sourceTitle(obj, **kwargs):
""" Get source for catalog index """
if not IRSSNewsItem.providedBy(obj):
raise AttributeError
found = False
myparent = parent(obj)
for _back in range(0, 5):
if IRSSServer.providedBy(myparent):
found = True
break
myparent = parent(myparent)
if not found:
raise AttributeError
return myparent.title_or_id()
