annotate gpp/oembed/core.py @ 505:a5d11471d031
Refactor the logic in the rate limiter decorator. Check to see if the request was ajax, as the ajax view always returns 200. Have to decode the JSON response to see if an error occurred or not.
| author |
Brian Neal <bgneal@gmail.com> |
| date |
Sat, 03 Dec 2011 19:13:38 +0000 |
| parents |
6d6fdc58487c |
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line source |
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bgneal@285
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1 """
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2 This module contains core functionality for the oembed application.
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3 """
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4 from __future__ import with_statement
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5 import urllib
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6 import urllib2
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7 import gzip
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8 try:
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9 from cStringIO import StringIO
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10 except ImportError:
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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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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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19 def get_oembed(api_endpoint, url, format='json', **opts):
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20 """
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21 Perform the GET request to retrieve the embedded media data from the given
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22 API endpoint for the given URL. Return the result as a Python dictionary.
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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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25 opts are any additional GET options that should be present in the GET
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26 request.
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27
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28 """
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29 opts['url'] = url
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30 opts['format'] = format
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31 api_url = "%s?%s" % (api_endpoint, urllib.urlencode(opts))
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32
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33 headers = {
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34 'User-Agent': USER_AGENT,
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35 'Accept-Encoding': 'gzip',
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36 }
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37 request = urllib2.Request(api_url, headers=headers)
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38
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39 opener = urllib2.build_opener()
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40 f = opener.open(request)
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41 headers = f.info()
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42 result = f.read()
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43 f.close()
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44
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45 if headers.get('content-encoding') == 'gzip':
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46 f = gzip.GzipFile(fileobj=StringIO(result))
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47 result = f.read()
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48 f.close()
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49
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50 return json.loads(result)
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51
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52 if __name__ == "__main__":
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53 try:
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54 print get_oembed("http://www.youtube.com/oembed",
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55 "http://www.youtube.com/watch?v=7_IMzJldOf4")
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56 except urllib2.HTTPError, e:
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57 print e
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