Feed2json: Difference between revisions
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Useful proxy CGI to read an RSS feed from Javascript | Useful proxy CGI to read an RSS feed from Javascript | ||
Python's JSON module will take of many things, by datetime and time objects mess it up. A custom "jsonify" function takes care of the translation in these cases (following [http://stackoverflow.com/questions/455580/json-datetime-between-python-and-javascript this example]) | |||
<source lang="python"> | <source lang="python"> | ||
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def jsonify(obj): | def jsonify(obj): | ||
if (type(obj) == time.struct_time): | if (type(obj) == time.struct_time): | ||
obj = datetime.datetime.fromtimestamp(time.mktime(obj)) | obj = datetime.datetime.fromtimestamp(time.mktime(obj)) | ||
| Line 35: | Line 36: | ||
</source> | </source> | ||
[[Category: Cookbook]] [[Category: RSS]] [[Category: JSON]] | [[Category: Cookbook]] [[Category: Python]] [[Category: RSS]] [[Category: JSON]] | ||
Latest revision as of 20:46, 7 October 2012
Useful proxy CGI to read an RSS feed from Javascript
Python's JSON module will take of many things, by datetime and time objects mess it up. A custom "jsonify" function takes care of the translation in these cases (following this example)
#!/usr/bin/env python
#-*- coding:utf-8 -*-
import cgitb; cgitb.enable()
import cgi, urllib
import feedparser, json, time, datetime
request = cgi.FieldStorage()
feedurl = request.getvalue("f", "http://api.flickr.com/services/feeds/photos_public.gne")
q = {}
for key in request:
if key != "f":
q[key] = request.getvalue(key)
if q:
feedurl += "?"+urllib.urlencode(q)
def jsonify(obj):
if (type(obj) == time.struct_time):
obj = datetime.datetime.fromtimestamp(time.mktime(obj))
if hasattr(obj, 'isoformat'):
return obj.isoformat()
else:
raise TypeError, 'Object of type %s with value of %s is not JSON serializable' % (type(obj), repr(obj))
print "Content-type: application/json"
print
feed = feedparser.parse(feedurl)
print json.dumps(feed, default=jsonify)