Added a setting where the exported excel files should be stored.

Added a option to send the exported excel as mail attachment.

src/membership/views.py

@@ -7,7 +7,7 @@ from django import http
 from django.conf import settings
 from django.contrib import auth, messages
 from django.contrib.auth.mixins import LoginRequiredMixin
-from django.core.urlresolvers import reverse
+from django.urls import reverse
 from django.http import Http404
 from django.utils.decorators import method_decorator
 from django.utils.translation import ugettext as _
@@ -114,7 +114,7 @@ class MembershipDetail(LoginRequiredMixin, generic.DetailView):
     def get_context_data(self, **kwargs):
         """ Add the ladder ranking and the Kyu and Dan ranking the user profile.
 
-        :return: array with the context data 
+        :return: array with the context data
         """
         context = generic.DetailView.get_context_data(self, **kwargs)
         try:
@@ -139,11 +139,11 @@ class RegisterForm(generic.FormView):
 
     @method_decorator(csp_update(**RECAPTCHA_CSP))
     def dispatch(self, request, *args, **kwargs):
-        """Overwrite to add googles recaptcha ressoruces to the 
+        """Overwrite to add googles recaptcha ressoruces to the
         Content-Security_Policity HTTP Headers.
-        :param request: 
-        :param args: 
-        :param kwargs: 
+        :param request:
+        :param args:
+        :param kwargs:
         :return: """
         return super(RegisterForm, self).dispatch(request, *args, **kwargs)