def test_unique_with_key():
first = {'a': '1', 'b': '1'}
second = {'a': '2', 'b': '2'}
third = {'a': '3', 'b': '1'}
items = [first, second, third]
assert list(unique(items, key=lambda v: v['a'])) == [first, second, third]
assert list(unique(items, key=lambda v: v['b'])) == [first, second]
def test_unique():
assert list(unique([1, 2, 3])) == [1, 2, 3]
assert list(unique([1, 2, 1, 2])) == [1, 2]
def tags(feed_or_entry):
return list(unique(tag.label or tag.term
for tag in feed_or_entry.get('tags', [])))
def subscription_urls():
try:
with open_file_from(STORAGE_ROOT, 'subscriptions.opml', 'rb') as f:
return list(unique(feed_url for _, _, feed_url in opml_feeds(f)))
except OSError:
return []
def author_names(feed_or_entry):
return list(unique(remove_tags(author.name)
for author in authors(feed_or_entry)
if author.get('name')))