fixing stale process handling

docs/source/version_history.rst

@@ -15,3 +15,5 @@ Version History
    "0.0.5", "removing ajax view; using only htmx"
    "0.0.6", "updating templates for latest Bootstrap"
    "0.0.7", "adding isort; adding badges to readme"
+   "0.0.8", "fixed modal trigger on host process card"
+   "0.0.9", "fixed stale process handling in host process view"

src/djangoaddicts/hostutils/views/gui.py

@@ -139,16 +139,23 @@ def get(self, request, *args, **kwargs):
         context["title"] = self.title
         context["now"] = datetime.datetime.now()
         context["subtitle"] = psutil.os.uname()[1]
-        process_list = list(psutil.process_iter())
-        context["process_list"] = process_list
         counts = {
-            "running": len([i for i in process_list if i.status() == "running"]),
-            "sleeping": len([i for i in process_list if i.status() == "sleeping"]),
-            "idle": len([i for i in process_list if i.status() == "idle"]),
-            "stopped": len([i for i in process_list if i.status() == "stopped"]),
-            "zombie": len([i for i in process_list if i.status() == "zombie"]),
-            "dead": len([i for i in process_list if i.status() == "dead"]),
+            "running": 0,
+            "sleeping": 0,
+            "idle": 0,
+            "stopped": 0,
+            "zombie": 0,
+            "dead": 0,
+            "disk-sleep": 0
         }
+        process_list = list(psutil.process_iter())
+        context["process_list"] = process_list
+        for process in process_list:
+            try:
+                counts[process.status()] += 1
+            except psutil.NoSuchProcess:
+                continue
+
         context["counts"] = counts
         filter_form = {}
         filter_form["form"] = HostProcessFilterForm(request.GET or None)