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