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bgneal@285
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1 """
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bgneal@285
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2 This module contains core functionality for the oembed application.
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bgneal@285
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3 """
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bgneal@285
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4 from __future__ import with_statement
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bgneal@285
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5 import urllib
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bgneal@285
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6 import urllib2
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7 import gzip
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bgneal@285
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8 try:
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bgneal@285
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9 from cStringIO import StringIO
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bgneal@285
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10 except ImportError:
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bgneal@285
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11 from StringIO import StringIO
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12
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13 import django.utils.simplejson as json
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bgneal@285
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14
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15
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16 USER_AGENT = 'gremmies python oembed'
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17
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18
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bgneal@285
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19 def get_oembed(api_endpoint, url, format='json', **opts):
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bgneal@285
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20 """
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bgneal@285
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21 Perform the GET request to retrieve the embedded media data from the given
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bgneal@285
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22 API endpoint for the given URL. Return the result as a Python dictionary.
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bgneal@285
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23
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24 format specifies the response format, and should be 'json' or 'xml'.
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bgneal@285
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25 opts are any additional GET options that should be present in the GET
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bgneal@285
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26 request.
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27
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bgneal@285
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28 """
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bgneal@285
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29 opts['url'] = url
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30 opts['format'] = format
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bgneal@285
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31 api_url = "%s?%s" % (api_endpoint, urllib.urlencode(opts))
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bgneal@285
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32
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33 headers = {
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34 'User-Agent': USER_AGENT,
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bgneal@285
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35 'Accept-Encoding': 'gzip',
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bgneal@285
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36 }
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bgneal@285
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37 request = urllib2.Request(api_url, headers=headers)
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bgneal@285
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38
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bgneal@285
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39 opener = urllib2.build_opener()
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bgneal@285
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40 f = opener.open(request)
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bgneal@285
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41 headers = f.info()
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bgneal@285
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42 result = f.read()
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bgneal@285
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43 f.close()
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44
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bgneal@285
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45 if headers.get('content-encoding') == 'gzip':
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bgneal@285
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46 with gzip.GzipFile(fileobj=StringIO(result)) as f:
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bgneal@285
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47 result = f.read()
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bgneal@285
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48
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bgneal@285
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49 return json.loads(result)
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bgneal@285
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50
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bgneal@285
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51 if __name__ == "__main__":
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bgneal@285
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52 try:
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bgneal@285
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53 print get_oembed("http://www.youtube.com/oembed",
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54 #"http://www.youtube.com/watch?v=7_IMzJldOf4")
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bgneal@285
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55 "http://www.youtube.com/watch?v=99999999999")
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bgneal@285
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56 except urllib2.HTTPError, e:
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bgneal@285
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57 print e
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