def hypernyms_of_class_from_db(w_class, limit=sys.maxint):
"""
Given a wikipedia class, return a list of hypernyms (as a list of strings)
from DBpedia's Ontology Classes.
Deprecated: uses the database, resulting in slow, unordered
results. Use hypernyms_of_class() instead.
"""
w_class = to_wikipedia_class(w_class)
result = (DbpediaClass.select().join(Hypernym).join(WikiClass).where(
WikiClass.class_name == w_class).limit(limit))
return [from_dbpedia_class(x.dbpedia_class) for x in result]
def articles_of_class(w_class, limit=sys.maxint, random=False):
"""
Given a wikipedia class, return all articles of that type.
Set random=True to get random articles from the database (slower)
"""
w_class = to_wikipedia_class(w_class)
if random:
result = (Article.select().join(ArticleClass).join(WikiClass).where(
WikiClass.class_name == w_class).order_by(
fn.Random()).limit(limit))
else:
result = (Article.select().join(ArticleClass).join(WikiClass).where(
WikiClass.class_name == w_class).limit(limit))
return [x.title for x in result]
def hypernyms_of_class_from_db(w_class, limit=sys.maxint):
"""
Given a wikipedia class, return a list of hypernyms (as a list of strings)
from DBpedia's Ontology Classes.
Deprecated: uses the database, resulting in slow, unordered
results. Use hypernyms_of_class() instead.
"""
w_class = to_wikipedia_class(w_class)
result = (DbpediaClass
.select()
.join(Hypernym)
.join(WikiClass)
.where(WikiClass.class_name == w_class)
.limit(limit))
return [from_dbpedia_class(x.dbpedia_class) for x in result]
def articles_of_class(w_class, limit=sys.maxint, random=False):
"""
Given a wikipedia class, return all articles of that type.
Set random=True to get random articles from the database (slower)
"""
w_class = to_wikipedia_class(w_class)
if random:
result = (Article
.select()
.join(ArticleClass)
.join(WikiClass)
.where(WikiClass.class_name == w_class)
.order_by(fn.Random())
.limit(limit))
else:
result = (Article
.select()
.join(ArticleClass)
.join(WikiClass)
.where(WikiClass.class_name == w_class)
.limit(limit))
return [x.title for x in result]
def test_to_wikipedia_class(self):
self.assertEqual('wikipedia-french-commune',
util.to_wikipedia_class('french COmmune'))
self.assertEqual('wikipedia-french-commune',
util.to_wikipedia_class('wikipedia-french-commune'))
def test_to_wikipedia_class(self):
self.assertEqual('wikipedia-french-commune',
util.to_wikipedia_class('french COmmune'))
self.assertEqual('wikipedia-french-commune',
util.to_wikipedia_class('wikipedia-french-commune'))
