class MyFreeSound:
def __init__(self):
self.keyword_getter = KeyWordGetter()
def get_sounds_from_url(self, url, num=8):
"""
Return set of sounds (mp3 file urls) based on the contents of a html
page url. Finds keywords and then queries them to freesound.org.
"""
keywords = self.keyword_getter.get_keywords_from_url(url)
print 'Top keywords for %s are %s' % (url, str(keywords))
results = self.search_words(keywords)[0:num]
if len(results) < num:
warn('Could only find %d results instead of %d' % (
len(results), num))
return results
def search_words(self, word_weight_pair):
"""
Returns collection of sounds (mp3 file urls) sorted by relavence to
inputed keywords with initial weights.
"""
word_weight_pairs = []
worker_threads = []
# Freesound API calls block so use concurrent threads to increase
# performance
for pair in word_weight_pair:
t = threading.Thread(target=worker, args=(pair, word_weight_pairs))
t.start()
worker_threads.append(t)
for t in worker_threads:
t.join()
for t in worker_threads:
if not t.isAlive():
# get results from thtead
t.handled = True
worker_threads = [t for t in worker_threads if not t.handled]
# After collecting all sound results from freesound
# Sort sounds by second element (determined weight)
return [url for (url, weight) in sorted(word_weight_pairs, key=itemgetter(1), reverse=True)]
def __init__(self):
self.keyword_getter = KeyWordGetter()
