fixed mac not recovered properly

device/templates/details.html

@@ -58,7 +58,7 @@
         <div class="col-lg-9 col-md-8">{{ object.type }}</div>
       </div>
 
-      {% if object.is_websnapshot %}
+      {% if object.is_websnapshot and object.last_user_evidence %}
         {% for k, v in object.last_user_evidence %}
           <div class="row mb-3">
             <div class="col-lg-3 col-md-4 label">{{ k }}</div>

evidence/management/commands/up_snapshots.py

@@ -47,10 +47,23 @@ class Command(BaseCommand):
                 self.open(filepath)
 
     def open(self, filepath):
-        with open(filepath, 'r') as file:
-            content = json.loads(file.read())
-            path_name = save_in_disk(content, self.user.institution.name)
-            self.snapshots.append((content, path_name))
+        try:
+            with open(filepath, 'r') as file:
+                content = json.loads(file.read())
+                path_name = save_in_disk(content, self.user.institution.name)
+
+                self.snapshots.append((content, path_name))
+
+        except json.JSONDecodeError as e:
+            logger.error("JSON decode error in file %s: %s", filepath, e)
+            raise ValueError(f"Invalid JSON format in file {filepath}") from e
+        except FileNotFoundError as e:
+            logger.error("File not found: %s", filepath)
+            raise FileNotFoundError(f"File not found: {filepath}") from e
+        #or we cath'em all
+        except Exception as e:
+            logger.exception("Unexpected error when opening file %s: %s", filepath, e)
+            raise Exception(f"Unexpected error when opening file {filepath}") from e
 
     def parsing(self):
         for s, p in self.snapshots:
@@ -58,6 +71,8 @@ class Command(BaseCommand):
                 self.devices.append(Build(s, self.user))
                 move_json(p, self.user.institution.name)
             except Exception as err:
+                if settings.DEBUG:
+                    logger.exception("%s", err)
                 snapshot_id = s.get("uuid", "")
-                txt = "Could not parse snapshot: %s"
+                txt = "It is not possible to parse snapshot: %s"
                 logger.error(txt, snapshot_id)

evidence/parse.py

@@ -4,6 +4,7 @@ import logging
 
 from dmidecode import DMIParse
 from json_repair import repair_json
+from evidence.parse_details import get_lshw_child
 
 from evidence.models import Annotation
 from evidence.xapian import index
@@ -12,6 +13,23 @@ from utils.constants import CHASSIS_DH
 
 logger = logging.getLogger('django')
 
+def get_mac(lshw):
+    try:
+        if type(lshw) is dict:
+            hw = lshw
+        else:
+            hw = json.loads(lshw)
+    except json.decoder.JSONDecodeError:
+        hw = json.loads(repair_json(lshw))
+
+    networks = []
+    get_lshw_child(hw, networks, 'network')
+
+    if nets_sorted:
+        mac = nets_sorted[0]['serial']
+        logger.debug("The snapshot has the following MAC: %s" , mac)
+        return mac
+
 
 def get_network_cards(child, nets):
     if child['id'] == 'network' and "PCI:" in child.get("businfo"):