Update sha_constructor to hashlib.sha256

symposion/proposals/views.py

@@ -6,7 +6,7 @@ from django.core.exceptions import ObjectDoesNotExist
 from django.db.models import Q
 from django.http import Http404, HttpResponse, HttpResponseForbidden
 from django.shortcuts import render, redirect, get_object_or_404
-from django.utils.hashcompat import sha_constructor
+from hashlib import sha256
 from django.views import static
 
 from django.contrib import messages
@@ -14,12 +14,16 @@ from django.contrib.auth.models import User
 from django.contrib.auth.decorators import login_required
 
 from account.models import EmailAddress
-from symposion.proposals.models import ProposalBase, ProposalSection, ProposalKind
+from symposion.proposals.models import (
+    ProposalBase, ProposalSection, ProposalKind
+)
 from symposion.proposals.models import SupportingDocument, AdditionalSpeaker
 from symposion.speakers.models import Speaker
 from symposion.utils.mail import send_email
 
-from symposion.proposals.forms import AddSpeakerForm, SupportingDocumentCreateForm
+from symposion.proposals.forms import (
+    AddSpeakerForm, SupportingDocumentCreateForm
+)
 
 
 def get_form(name):
@@ -110,8 +114,8 @@ def proposal_speaker_manage(request, pk):
                         Q(user=None, invite_email=email_address)
                     )
                 except Speaker.DoesNotExist:
-                    salt = sha_constructor(str(random.random())).hexdigest()[:5]
-                    token = sha_constructor(salt + email_address).hexdigest()
+                    salt = sha256(str(random.random())).hexdigest()[:5]
+                    token = sha256(salt + email_address).hexdigest()
                     pending = Speaker.objects.create(
                         invite_email=email_address,
                         invite_token=token,