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# gLifestream Copyright (C) 2009, 2010 Wojciech Polak
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 3 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
import urllib
from glifestream.utils import httpclient
try:
import json
except ImportError:
import simplejson as json
providers = {
'flickr': 'www.flickr.com/services/oembed'
}
def discover(url, provider, maxwidth=None, maxheight=None):
pro = providers.get(provider, None)
if not pro:
return None
q = '?url=%s&format=json' % urllib.quote(url)
if maxwidth:
q += '&maxwidth=%d' % maxwidth
if maxheight:
q += '&maxheight=%d' % maxheight
try:
r = httpclient.urlopen(pro + q, timeout=15)
if r.code == 200:
return json.loads(r.data)
except:
pass
return None
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