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lukaszb/getfreesound.py

Created July 25, 2012 13:08
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getfreesound.py
#!/usr/bin/env python
"""
I couldn't register at www.freesound.org so I wrote this little script to make
downloading sounds from their site easy.
Usage
-----
getfreesound.py URL
example::
getfreesound.py http://www.freesound.org/people/yewbic/sounds/33796/
"""
import os
import sys
import urllib2
import unittest
from lxml.html import fromstring
def get_content(url):
return urllib2.urlopen(url).read()
def get_meta_content(content, property_name):
tree = fromstring(content)
for meta in tree.cssselect('head meta'):
if meta.get('property') == property_name:
return meta.get('content')
return ''
def get_sound_url(content):
return get_meta_content(content, 'og:audio')
def get_sound_name(content):
return get_meta_content(content, 'og:audio:title')
def get_sound_for_url(url):
content = get_content(url)
sound_url = get_sound_url(content)
print "Got proper URL: %s" % sound_url
sound_name = get_sound_name(content)
print "Got filename: %s" % sound_name
if os.path.exists(sound_name):
print "Error: %s already exists!" % sound_name
sys.exit(1)
with open(sound_name, 'w') as fout:
fout.write(get_content(sound_url))
print "Sound saved!"
class Tests(unittest.TestCase):
def setUp(self):
self.content = """
<html>
<head>
<script type="text/javascript">
swfobject.registerObject("player_33796", "10");
</script>
<meta property="og:title" content="ambience03.wav by yewbic" />
<meta property="og:type" content="song" />
<meta property="og:audio" content="http://www.freesound.org/data/previews/33/33796_208116-lq.mp3" />
<meta property="og:audio:artist" content="yewbic" />
<meta property="og:audio:title" content="ambience03.wav" />
<meta property="og:url" content="http://www.freesound.org/people/yewbic/sounds/33796/" />
<meta property="og:audio:type" content="application/mp3" />
<!-- <meta property="og:image" content="http://www.freesound.org/data/displays/33/33796_208116_wave_M.png" /> -->
<meta property="og:site_name" content="Freesound.org" />
<meta property="fb:admins" content="100002130282170" />
</head>
<body></body>
</html>"""
def test_get_sound_url(self):
self.assertEqual(get_sound_url(self.content),
'http://www.freesound.org/data/previews/33/33796_208116-lq.mp3')
def test_get_sound_name(self):
self.assertEqual(get_sound_name(self.content), 'ambience03.wav')
def main():
url = sys.argv[1]
get_sound_for_url(url)
if __name__ == '__main__':
#unittest.main()
main()
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