90 lines
3.0 KiB
Python
90 lines
3.0 KiB
Python
"""
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This file is part of the web2py Web Framework
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Copyrighted by Massimo Di Pierro <mdipierro@cs.depaul.edu>
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License: LGPLv3 (http://www.gnu.org/licenses/lgpl.html)
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"""
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import datetime
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from storage import Storage
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from html import TAG
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from html import xmlescape
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from languages import lazyT
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import contrib.rss2 as rss2
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try:
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import json as json_parser # try stdlib (Python 2.6)
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except ImportError:
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try:
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import simplejson as json_parser # try external module
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except:
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import contrib.simplejson as json_parser # fallback to pure-Python module
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def custom_json(o):
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if hasattr(o,'custom_json') and callable(o.custom_json):
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return o.custom_json()
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if isinstance(o, (datetime.date,
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datetime.datetime,
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datetime.time)):
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return o.isoformat()[:19].replace('T',' ')
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elif isinstance(o, (int, long)):
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return int(o)
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elif isinstance(o, lazyT):
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return str(o)
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elif hasattr(o,'as_list') and callable(o.as_list):
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return o.as_list()
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elif hasattr(o,'as_dict') and callable(o.as_dict):
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return o.as_dict()
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else:
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raise TypeError(repr(o) + " is not JSON serializable")
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def xml_rec(value, key, quote=True):
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if hasattr(value,'custom_xml') and callable(value.custom_xml):
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return value.custom_xml()
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elif isinstance(value, (dict, Storage)):
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return TAG[key](*[TAG[k](xml_rec(v, '',quote)) \
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for k, v in value.items()])
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elif isinstance(value, list):
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return TAG[key](*[TAG.item(xml_rec(item, '',quote)) for item in value])
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elif hasattr(value,'as_list') and callable(value.as_list):
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return str(xml_rec(value.as_list(),'',quote))
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elif hasattr(value,'as_dict') and callable(value.as_dict):
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return str(xml_rec(value.as_dict(),'',quote))
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else:
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return xmlescape(value,quote)
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def xml(value, encoding='UTF-8', key='document', quote=True):
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return ('<?xml version="1.0" encoding="%s"?>' % encoding) + str(xml_rec(value,key,quote))
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def json(value,default=custom_json):
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return json_parser.dumps(value,default=default)
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def csv(value):
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return ''
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def rss(feed):
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if not 'entries' in feed and 'items' in feed:
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feed['entries'] = feed['items']
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now=datetime.datetime.now()
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rss = rss2.RSS2(title = feed['title'],
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link = str(feed['link']),
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description = feed['description'],
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lastBuildDate = feed.get('created_on', now),
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items = [rss2.RSSItem(\
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title=entry['title'],
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link=str(entry['link']),
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description=entry['description'],
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pubDate=entry.get('created_on', now)
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)\
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for entry in feed['entries']
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]
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)
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return rss2.dumps(rss)
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