old_contents: from django.views.decorators.csrf import csrf_exempt
  from django.http import HttpResponse
  from amazon_buttons import models
  import datetime
  from django.conf import settings
  import urllib
  from amazon_buttons import buttonconf
  from amazon_buttons import _crypt
  
  
  
  
  
  @csrf_exempt
  def ipn_handler(request):
  	ipn = models.ipn_response()
  	ipn.datetime = datetime.datetime.fromtimestamp(int(request.POST['transactionDate']))
  	for key, val in request.POST.iteritems():
  		attrib = getattr(ipn, key, None)
  		if attrib:
  			setattr(ipn, key, val)
  	if settings.AMAZON_IPN_VERIFY:
  		if settings.AMAZON_SANDBOX:
  			ver_url = buttonconf.SANDBOX_VERIFY		
  		else:
  			ver_url = buttonconf.LIVE_VERIFY
  		prepd_data = buttonconf.DEFAULT_IPNVER_DATA
  		prepd_data['UrlEndPoint'] = settings.DOMAIN_FOR_AMAZON_IPN + reverse('amazon_ipn')
  		prepd_data['target_url'] = ver_url
  		prepd_data['HttpParameters'] = urllib.urlencode(request.POST)
  		prepd_data['AWSAccessKeyId'] = settings.AMAZON_ACCESS_KEY 
  		prepd_data['Timestamp'] = datetime.datetime.now().isoformat()
  		s_key = settings.AMAZON_SECRET_KEY
  		prepd_data['Signature'] = _crypt.sig_maker(s_key, prepd_data,'GET')
  		del prepd_data['target_url']
  		fin_url = urllib.urlencode(prepd_data)
  		print fin_url
  		
  		
  	else:
  		ipn.save()
  	return HttpResponse('Done')
  	
  
new_contents: from django.views.decorators.csrf import csrf_exempt
  from django.http import HttpResponse
  from amazon_buttons import models
  import datetime
  from django.conf import settings
  import urllib
  from amazon_buttons import buttonconf
  from amazon_buttons import _crypt
  
  
  
  
  
  @csrf_exempt
  def ipn_handler(request):
  	ipn = models.ipn_response()
  	ipn.datetime = datetime.datetime.fromtimestamp(int(request.POST['transactionDate']))
  	for key, val in request.POST.iteritems():
  		attrib = getattr(ipn, key, None)
  		if attrib:
  			setattr(ipn, key, val)
  	if settings.AMAZON_IPN_VERIFY:
  		if settings.AMAZON_SANDBOX:
  			ver_url = buttonconf.SANDBOX_VERIFY		
  		else:
  			ver_url = buttonconf.LIVE_VERIFY
  		prepd_data = buttonconf.DEFAULT_IPNVER_DATA
  		prepd_data['UrlEndPoint'] = ver_url
  		prepd_data['target_url'] = ver_url
  		prepd_data['HttpParameters'] = urllib.urlencode(request.POST)
  		prepd_data['AWSAccessKeyId'] = settings.AMAZON_ACCESS_KEY 
  		prepd_data['Timestamp'] = datetime.datetime.now().isoformat()
  		s_key = settings.AMAZON_SECRET_KEY
  		prepd_data['Signature'] = _crypt.sig_maker(s_key, prepd_data,'GET')
  		del prepd_data['target_url']
  		fin_url = urllib.urlencode(prepd_data)
  		print fin_url
  		
  		
  	else:
  		ipn.save()
  	return HttpResponse('Done')
  	
  
subject: Revert "change to ipn ver"