dynamicweb/datacenterlight/views.py

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Python
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from datetime import datetime
from django import forms
from django.conf import settings
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from django.contrib import messages
from django.core.exceptions import ValidationError
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from django.core.mail import EmailMessage
from django.core.urlresolvers import reverse
from django.http import HttpResponseRedirect
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from django.shortcuts import redirect
from django.shortcuts import render
from django.utils.translation import ugettext_lazy as _
from django.views.decorators.cache import cache_control
from django.views.generic import FormView, CreateView, TemplateView, DetailView
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from hosting.models import HostingOrder, HostingBill
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from membership.models import CustomUser, StripeCustomer
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from opennebula_api.models import OpenNebulaManager
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from opennebula_api.serializers import VirtualMachineTemplateSerializer, VirtualMachineSerializer, VMTemplateSerializer
from utils.forms import BillingAddressForm, UserBillingAddressForm
from utils.mailer import BaseEmail
from utils.models import BillingAddress
from utils.stripe_utils import StripeUtils
from .forms import BetaAccessForm
from .models import BetaAccess, BetaAccessVMType, BetaAccessVM, VMTemplate
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class LandingProgramView(TemplateView):
template_name = "datacenterlight/landing.html"
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class SuccessView(TemplateView):
template_name = "datacenterlight/success.html"
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def get(self, request, *args, **kwargs):
if 'specs' not in request.session or 'user' not in request.session:
return HttpResponseRedirect(reverse('datacenterlight:index'))
elif 'token' not in request.session:
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return HttpResponseRedirect(reverse('datacenterlight:payment'))
elif 'order_confirmation' not in request.session:
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return HttpResponseRedirect(reverse('datacenterlight:order_confirmation'))
else:
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for session_var in ['specs', 'user', 'template', 'billing_address', 'billing_address_data',
'token', 'customer']:
if session_var in request.session:
del request.session[session_var]
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return render(request, self.template_name)
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class PricingView(TemplateView):
template_name = "datacenterlight/pricing.html"
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def get(self, request, *args, **kwargs):
try:
manager = OpenNebulaManager()
templates = manager.get_templates()
context = {
'templates': VirtualMachineTemplateSerializer(templates, many=True).data,
}
except:
messages.error(request,
'We have a temporary problem to connect to our backend. \
Please try again in a few minutes'
)
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context = {
'error': 'connection'
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}
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return render(request, self.template_name, context)
def post(self, request):
cores = request.POST.get('cpu')
memory = request.POST.get('ram')
storage = request.POST.get('storage')
price = request.POST.get('total')
template_id = int(request.POST.get('config'))
manager = OpenNebulaManager()
template = manager.get_template(template_id)
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request.session['template'] = VirtualMachineTemplateSerializer(
template).data
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if not request.user.is_authenticated():
request.session['next'] = reverse('hosting:payment')
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request.session['specs'] = {
'cpu': cores,
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'memory': memory,
'disk_size': storage,
'price': price,
}
return redirect(reverse('hosting:payment'))
class BetaAccessView(FormView):
template_name = "datacenterlight/beta_access.html"
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form_class = BetaAccessForm
success_message = "Thank you, we will contact you as soon as possible"
def form_valid(self, form):
context = {
'base_url': "{0}://{1}".format(self.request.scheme, self.request.get_host())
}
email_data = {
'subject': 'DatacenterLight Beta Access Request',
'from_address': '(datacenterlight) datacenterlight Support <support@datacenterlight.ch>',
'to': form.cleaned_data.get('email'),
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'from': '(datacenterlight) DatacenterLight Support support@datacenterlight.ch',
'context': context,
'template_name': 'request_access_confirmation',
'template_path': 'datacenterlight/emails/'
}
email = BaseEmail(**email_data)
email.send()
context.update({
'email': form.cleaned_data.get('email')
})
email_data = {
'subject': 'DatacenterLight Beta Access Request',
'from_address': '(datacenterlight) datacenterlight Support <support@datacenterlight.ch>',
'to': 'info@ungleich.ch',
'context': context,
'template_name': 'request_access_notification',
'template_path': 'datacenterlight/emails/'
}
email = BaseEmail(**email_data)
email.send()
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messages.add_message(
self.request, messages.SUCCESS, self.success_message)
return render(self.request, 'datacenterlight/beta_success.html', {})
class BetaProgramView(CreateView):
template_name = "datacenterlight/beta.html"
model = BetaAccessVM
fields = '__all__'
# form_class = BetaAccessForm
# success_url = "/datacenterlight#requestform"
success_message = "Thank you, we will contact you as soon as possible"
def get_success_url(self):
success_url = reverse('datacenterlight:beta')
success_url += "#success"
return success_url
def get_context_data(self, **kwargs):
vms = BetaAccessVMType.objects.all()
context = super(BetaProgramView, self).get_context_data(**kwargs)
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# templates = OpenNebulaManager().get_templates()
# data = VirtualMachineTemplateSerializer(templates, many=True).data
context.update({
'base_url': "{0}://{1}".format(self.request.scheme, self.request.get_host()),
'vms': vms
})
return context
def post(self, request, *args, **kwargs):
data = request.POST
vms = BetaAccessVM.create(data)
context = {
'base_url': "{0}://{1}".format(self.request.scheme, self.request.get_host()),
'email': data.get('email'),
'name': data.get('name'),
'vms': vms
}
email_data = {
'subject': 'DatacenterLight Beta Access Request',
'from_address': '(datacenterlight) datacenterlight Support <support@datacenterlight.ch>',
'to': 'info@ungleich.ch',
'context': context,
'template_name': 'request_beta_access_notification',
'template_path': 'datacenterlight/emails/'
}
email = BaseEmail(**email_data)
email.send()
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messages.add_message(
self.request, messages.SUCCESS, self.success_message)
return HttpResponseRedirect(self.get_success_url())
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class IndexView(CreateView):
template_name = "datacenterlight/index.html"
model = BetaAccess
form_class = BetaAccessForm
success_url = "/datacenterlight#requestform"
success_message = "Thank you, we will contact you as soon as possible"
def validate_cores(self, value):
if (value > 48) or (value < 1):
raise ValidationError(_('Invalid number of cores'))
def validate_memory(self, value):
if (value > 200) or (value < 2):
raise ValidationError(_('Invalid RAM size'))
def validate_storage(self, value):
if (value > 2000) or (value < 10):
raise ValidationError(_('Invalid storage size'))
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@cache_control(no_cache=True, must_revalidate=True, no_store=True)
def get(self, request, *args, **kwargs):
for session_var in ['specs', 'user', 'billing_address_data']:
if session_var in request.session:
del request.session[session_var]
vm_templates = VMTemplate.objects.all()
context = {
'templates': vm_templates
}
return render(request, self.template_name, context)
def post(self, request):
cores = request.POST.get('cpu')
cores_field = forms.IntegerField(validators=[self.validate_cores])
memory = request.POST.get('ram')
memory_field = forms.IntegerField(validators=[self.validate_memory])
storage = request.POST.get('storage')
storage_field = forms.IntegerField(validators=[self.validate_storage])
price = request.POST.get('total')
template_id = int(request.POST.get('config'))
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template = VMTemplate.objects.filter(
opennebula_vm_template_id=template_id).first()
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template_data = VMTemplateSerializer(template).data
name = request.POST.get('name')
email = request.POST.get('email')
name_field = forms.CharField()
email_field = forms.EmailField()
try:
cores = cores_field.clean(cores)
except ValidationError as err:
msg = '{} : {}.'.format(cores, str(err))
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messages.add_message(
self.request, messages.ERROR, msg, extra_tags='cores')
return HttpResponseRedirect(reverse('datacenterlight:index') + "#order_form")
try:
memory = memory_field.clean(memory)
except ValidationError as err:
msg = '{} : {}.'.format(memory, str(err))
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messages.add_message(
self.request, messages.ERROR, msg, extra_tags='memory')
return HttpResponseRedirect(reverse('datacenterlight:index') + "#order_form")
try:
storage = storage_field.clean(storage)
except ValidationError as err:
msg = '{} : {}.'.format(storage, str(err))
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messages.add_message(
self.request, messages.ERROR, msg, extra_tags='storage')
return HttpResponseRedirect(reverse('datacenterlight:index') + "#order_form")
try:
name = name_field.clean(name)
except ValidationError as err:
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msg = '{} {}.'.format(name, _('is not a proper name'))
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messages.add_message(
self.request, messages.ERROR, msg, extra_tags='name')
return HttpResponseRedirect(reverse('datacenterlight:index') + "#order_form")
try:
email = email_field.clean(email)
except ValidationError as err:
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msg = '{} {}.'.format(email, _('is not a proper email'))
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messages.add_message(
self.request, messages.ERROR, msg, extra_tags='email')
return HttpResponseRedirect(reverse('datacenterlight:index') + "#order_form")
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specs = {
'cpu': cores,
'memory': memory,
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'disk_size': storage,
'price': price
}
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this_user = {
'name': name,
'email': email
}
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request.session['specs'] = specs
request.session['template'] = template_data
request.session['user'] = this_user
return HttpResponseRedirect(reverse('datacenterlight:payment'))
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def get_success_url(self):
success_url = reverse('datacenterlight:index')
success_url += "#requestform"
return success_url
def get_context_data(self, **kwargs):
context = super(IndexView, self).get_context_data(**kwargs)
context.update({
'base_url': "{0}://{1}".format(self.request.scheme, self.request.get_host())
})
return context
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def form_valid(self, form):
context = {
'base_url': "{0}://{1}".format(self.request.scheme, self.request.get_host())
}
email_data = {
'subject': 'DatacenterLight Beta Access Request',
'from_address': '(datacenterlight) datacenterlight Support <support@datacenterlight.ch>',
'to': form.cleaned_data.get('email'),
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'from': '(datacenterlight) DatacenterLight Support support@datacenterlight.ch',
'context': context,
'template_name': 'request_access_confirmation',
'template_path': 'datacenterlight/emails/'
}
email = BaseEmail(**email_data)
email.send()
context.update({
'email': form.cleaned_data.get('email')
})
email_data = {
'subject': 'DatacenterLight Beta Access Request',
'from_address': '(datacenterlight) datacenterlight Support <support@datacenterlight.ch>',
'to': 'info@ungleich.ch',
'context': context,
'template_name': 'request_access_notification',
'template_path': 'datacenterlight/emails/'
}
email = BaseEmail(**email_data)
email.send()
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messages.add_message(
self.request, messages.SUCCESS, self.success_message)
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return super(IndexView, self).form_valid(form)
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class WhyDataCenterLightView(IndexView):
template_name = "datacenterlight/whydatacenterlight.html"
model = BetaAccess
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class PaymentOrderView(FormView):
template_name = 'hosting/payment.html'
form_class = BillingAddressForm
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def get_form_kwargs(self):
form_kwargs = super(PaymentOrderView, self).get_form_kwargs()
billing_address_data = self.request.session.get('billing_address_data')
if billing_address_data:
form_kwargs.update({
'initial': {
'cardholder_name': billing_address_data['cardholder_name'],
'street_address': billing_address_data['street_address'],
'city': billing_address_data['city'],
'postal_code': billing_address_data['postal_code'],
'country': billing_address_data['country'],
}
})
return form_kwargs
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def get_context_data(self, **kwargs):
context = super(PaymentOrderView, self).get_context_data(**kwargs)
context.update({
'stripe_key': settings.STRIPE_API_PUBLIC_KEY,
'site_url': reverse('datacenterlight:index')
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})
return context
@cache_control(no_cache=True, must_revalidate=True, no_store=True)
def get(self, request, *args, **kwargs):
if 'specs' not in request.session or 'user' not in request.session:
return HttpResponseRedirect(reverse('datacenterlight:index'))
return self.render_to_response(self.get_context_data())
def post(self, request, *args, **kwargs):
form = self.get_form()
if form.is_valid():
# Get billing address data
billing_address_data = form.cleaned_data
token = form.cleaned_data.get('token')
user = request.session.get('user')
try:
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CustomUser.objects.get(email=user.get('email'))
except CustomUser.DoesNotExist:
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password = CustomUser.get_random_password()
# Register the user, and do not send emails
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CustomUser.register(user.get('name'),
password,
user.get('email'),
app='dcl',
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base_url=None, send_email=False)
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# Get or create stripe customer
customer = StripeCustomer.get_or_create(email=user.get('email'),
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token=token)
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if not customer:
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form.add_error("__all__", "Invalid credit card")
return self.render_to_response(self.get_context_data(form=form))
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# Create Billing Address
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billing_address = form.save()
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request.session['billing_address_data'] = billing_address_data
request.session['billing_address'] = billing_address.id
request.session['token'] = token
request.session['customer'] = customer.id
return HttpResponseRedirect(reverse('datacenterlight:order_confirmation'))
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else:
return self.form_invalid(form)
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class OrderConfirmationView(DetailView):
template_name = "datacenterlight/order_detail.html"
payment_template_name = 'hosting/payment.html'
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context_object_name = "order"
model = HostingOrder
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@cache_control(no_cache=True, must_revalidate=True, no_store=True)
def get(self, request, *args, **kwargs):
if 'specs' not in request.session or 'user' not in request.session:
return HttpResponseRedirect(reverse('datacenterlight:index'))
if 'token' not in request.session:
return HttpResponseRedirect(reverse('datacenterlight:payment'))
stripe_customer_id = request.session.get('customer')
customer = StripeCustomer.objects.filter(id=stripe_customer_id).first()
stripe_utils = StripeUtils()
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card_details = stripe_utils.get_card_details(
customer.stripe_id, request.session.get('token'))
context = {
'site_url': reverse('datacenterlight:index'),
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'cc_last4': card_details.get('response_object').get('last4'),
'cc_brand': card_details.get('response_object').get('brand')
}
return render(request, self.template_name, context)
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def post(self, request, *args, **kwargs):
template = request.session.get('template')
specs = request.session.get('specs')
user = request.session.get('user')
stripe_customer_id = request.session.get('customer')
customer = StripeCustomer.objects.filter(id=stripe_customer_id).first()
billing_address_data = request.session.get('billing_address_data')
billing_address_id = request.session.get('billing_address')
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billing_address = BillingAddress.objects.filter(
id=billing_address_id).first()
vm_template_id = template.get('id', 1)
final_price = specs.get('price')
# Make stripe charge to a customer
stripe_utils = StripeUtils()
cpu = specs.get('cpu')
memory = specs.get('memory')
disk_size = specs.get('disk_size')
amount_to_be_charged = (cpu * 5) + (memory * 2) + (disk_size * 0.6)
plan_name = "{cpu} Cores, {memory} GB RAM, {disk_size} GB SSD".format(cpu=cpu,
memory=memory,
disk_size=disk_size)
stripe_plan_id = StripeUtils.get_stripe_plan_id(cpu=cpu,
ram=memory,
ssd=disk_size,
version=1,
app='dcl')
stripe_plan = stripe_utils.get_or_create_stripe_plan(amount=amount_to_be_charged,
name=plan_name,
stripe_plan_id=stripe_plan_id)
subscription_result = stripe_utils.subscribe_customer_to_plan(customer.stripe_id,
[{"plan": stripe_plan.get(
'response_object').stripe_plan_id}])
response_object = subscription_result.get('response_object')
if response_object is None or response_object.status is not 'active':
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context = {}
context.update({
'paymentError': response_object.get('error')
})
return render(request, self.payment_template_name, context)
# Create OpenNebulaManager
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manager = OpenNebulaManager(email=settings.OPENNEBULA_USERNAME,
password=settings.OPENNEBULA_PASSWORD)
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# Create a vm using oneadmin, also specify the name
vm_id = manager.create_vm(
template_id=vm_template_id,
specs=specs,
ssh_key=settings.ONEADMIN_USER_SSH_PUBLIC_KEY,
vm_name="{email}-{template_name}-{date}".format(
email=user.get('email'),
template_name=template.get('name'),
date=int(datetime.now().strftime("%s")))
)
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# Create a Hosting Order
order = HostingOrder.create(
price=final_price,
vm_id=vm_id,
customer=customer,
billing_address=billing_address
)
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# Create a Hosting Bill
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HostingBill.create(
customer=customer, billing_address=billing_address)
# Create Billing Address for User if he does not have one
if not customer.user.billing_addresses.count():
billing_address_data.update({
'user': customer.user.id
})
billing_address_user_form = UserBillingAddressForm(
billing_address_data)
billing_address_user_form.is_valid()
billing_address_user_form.save()
# Associate an order with a stripe subscription
order.set_subscription_id(response_object)
# If the Stripe payment succeeded, set order status approved
order.set_approved()
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vm = VirtualMachineSerializer(manager.get_vm(vm_id)).data
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context = {
'name': user.get('name'),
'email': user.get('email'),
'cores': specs.get('cpu'),
'memory': specs.get('memory'),
'storage': specs.get('disk_size'),
'price': specs.get('price'),
'template': template.get('name'),
'vm.name': vm['name'],
'vm.id': vm['vm_id'],
'order.id': order.id
}
email_data = {
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'subject': settings.DCL_TEXT + " Order from %s" % context['email'],
'from_email': settings.DCL_SUPPORT_FROM_ADDRESS,
'to': ['info@ungleich.ch'],
'body': "\n".join(["%s=%s" % (k, v) for (k, v) in context.items()]),
'reply_to': [context['email']],
}
email = EmailMessage(**email_data)
email.send()
request.session['order_confirmation'] = True
return HttpResponseRedirect(reverse('datacenterlight:order_success'))