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import meetingtools.mimeparse as mimeparse
import re
import rfc822
from django.conf import settings
from django.shortcuts import render_to_response
from django.http import HttpResponse, HttpResponseForbidden,\
HttpResponseRedirect
from django.utils import simplejson
from django.template import loader
from meetingtools.settings import PREFIX_URL
default_suffix_mapping = {"\.htm(l?)$": "text/html",
"\.json$": "application/json",
"\.rss$": "application/rss+xml",
"\.atom$": "application/atom+xml",
"\.torrent$": "application/x-bittorrent"}
def _accept_types(request, suffix):
for r in suffix.keys():
p = re.compile(r)
if p.search(request.path):
return suffix.get(r)
return None
def timeAsrfc822 ( theTime ) :
return rfc822 . formatdate ( rfc822 . mktime_tz ( rfc822 . parsedate_tz ( theTime . strftime ( "%a, %d %b %Y %H:%M:%S" ) ) ) )
def make_response_dict(request,d={}):
if request.user.is_authenticated():
d['user'] = request.user
d['prefix'] = PREFIX_URL
return d
def json_response(data,request=None):
response_data = None
if request and request.GET.has_key('callback'):
callback = request.GET['callback']
json = simplejson.dumps(data)
response_data = "%s(%s)" % (callback, json)
else:
response_data = simplejson.dumps(data)
r = HttpResponse(response_data,content_type='application/json')
r['Cache-Control'] = 'no-cache, must-revalidate'
r['Pragma'] = 'no-cache'
return r
def render403(message="You don't seem to have enough rights for what you are trying to do....",dict={}):
dict['message'] = message
return HttpResponseForbidden(loader.render_to_string("403.html",dict))
def respond_to(request, template_mapping, dict={}, suffix_mapping=default_suffix_mapping):
accept = _accept_types(request, suffix_mapping)
if accept is None:
accept = (request.META['HTTP_ACCEPT'].split(','))[0]
content_type = mimeparse.best_match(template_mapping.keys(), accept)
template = None
if template_mapping.has_key(content_type):
template = template_mapping[content_type]
else:
template = template_mapping["text/html"]
if callable(template):
response = template(make_response_dict(request,dict))
elif isinstance(template, HttpResponse):
response = template
response['Content-Type'] = "%s; charset=%s" % (content_type, settings.DEFAULT_CHARSET)
else:
response = render_to_response(template,make_response_dict(request,dict))
response['Content-Type'] = "%s; charset=%s" % (content_type, settings.DEFAULT_CHARSET)
return response
def redirect_to(path):
return HttpResponseRedirect("%s%s" % (PREFIX_URL,path))
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