device/templates/details.html

@@ -29,9 +29,11 @@
         <li class="nav-item">
           <a href="#evidences" class="nav-link" data-bs-toggle="tab" data-bs-target="#evidences">{% trans 'Evidences' %}</a>
         </li>
+	{% if dpps %}
         <li class="nav-item">
           <a href="#dpps" class="nav-link" data-bs-toggle="tab" data-bs-target="#dpps">{% trans 'Dpps' %}</a>
         </li>
+	{% endif %}
         <li class="nav-item">
           <a class="nav-link" href="{% url 'device:device_web' object.id %}" target="_blank">Web</a>
         </li>
@@ -233,6 +235,7 @@
       </div>
     </div>
 
+    {% if dpps %}
     <div class="tab-pane fade" id="dpps">
       <h5 class="card-title">{% trans 'List of dpps' %}</h5>
       <div class="list-group col">
@@ -249,6 +252,7 @@
         {% endfor %}
       </div>
     </div>
+    {% endif %}
   </div>
 {% endblock %}
 

device/views.py

@@ -1,6 +1,5 @@
 from django.http import JsonResponse
-
-from django.http import Http404
+from django.conf import settings
 from django.urls import reverse_lazy
 from django.shortcuts import get_object_or_404, Http404
 from django.utils.translation import gettext_lazy as _
@@ -13,10 +12,11 @@ from django.views.generic.base import TemplateView
 from dashboard.mixins import DashboardView, Http403
 from evidence.models import Annotation
 from lot.models import LotTag
-from dpp.models import Proof
-from dpp.api_dlt import PROOF_TYPE
 from device.models import Device
 from device.forms import DeviceFormSet
+if settings.DPP:
+    from dpp.models import Proof
+    from dpp.api_dlt import PROOF_TYPE
 
 
 class NewDeviceView(DashboardView, FormView):
@@ -104,6 +104,8 @@ class DetailsView(DashboardView, TemplateView):
         context = super().get_context_data(**kwargs)
         self.object.initial()
         lot_tags = LotTag.objects.filter(owner=self.request.user.institution)
+        dpps = []
+        if settings.DPP:
             dpps = Proof.objects.filter(
                 uuid__in=self.object.uuids,
                 type=PROOF_TYPE["IssueDPP"]

dhub/settings.py

@@ -89,10 +89,13 @@ INSTALLED_APPS = [
     "dashboard",
     "admin",
     "api",
-    "dpp",
-    "did",
 ]
 
+DPP = config("DPP", default=False, cast=bool)
+
+if DPP:
+    INSTALLED_APPS.extend(["dpp", "did"])
+
 
 MIDDLEWARE = [
     "django.middleware.security.SecurityMiddleware",

dhub/urls.py

@@ -14,7 +14,7 @@ Including another URLconf
     1. Import the include() function: from django.urls import include, path
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
-
+from django.conf import settings
 from django.urls import path, include
 
 urlpatterns = [
@@ -27,6 +27,10 @@ urlpatterns = [
     path("user/", include("user.urls")),
     path("lot/", include("lot.urls")),
     path('api/', include('api.urls')),
+]
+
+if settings.DPP:
+    urlpatterns.extend([
         path('dpp/', include('dpp.urls')),
         path('did/', include('did.urls')),
-]
+    ])

evidence/parse.py

@@ -4,12 +4,14 @@ import logging
 
 from dmidecode import DMIParse
 from json_repair import repair_json
+from django.conf import settings
 from evidence.parse_details import get_lshw_child, ParseSnapshot
 
 from evidence.models import Annotation
 from evidence.xapian import index
-from dpp.api_dlt import register_device_dlt, register_passport_dlt
 from utils.constants import CHASSIS_DH
+if settings.DPP:
+    from dpp.api_dlt import register_device_dlt, register_passport_dlt
 
 
 logger = logging.getLogger('django')
@@ -51,6 +53,7 @@ class Build:
 
         self.index()
         self.create_annotations()
+        if settings.DPP:
             self.register_device_dlt()
 
     def index(self):

evidence/views.py

@@ -137,7 +137,7 @@ class DownloadEvidenceView(DashboardView, TemplateView):
         evidence.get_doc()
         data = json.dumps(evidence.doc)
         response = HttpResponse(data, content_type="application/json")
-        response['Content-Disposition'] = 'attachment; filename={}'.format("credential.json")
+        response['Content-Disposition'] = 'attachment; filename={}'.format("evidence.json")
         return response