Extract get_stats_with_defaults for readability

Signed-off-by: Stefan Marr <git@stefan-marr.de>

Author: smarr

codespeed/views.py

@@ -306,18 +306,7 @@ def gettimelinedata(request):
                 results = []
                 for res in resultquery:
                     if bench.data_type == 'M':
-                        val_min = ""
-                        if res.val_min is not None:
-                            val_min = res.val_min
-                        val_max = ""
-                        if res.val_max is not None:
-                            val_max = res.val_max
-                        q1 = ""
-                        if res.q1 is not None:
-                            q1 = res.q1
-                        q3 = ""
-                        if res.q3 is not None:
-                            q3 = res.q3
+                        q1, q3, val_max, val_min = get_stats_with_defaults(res)
                         results.append(
                             [
                                 res.revision.date.strftime('%Y/%m/%d %H:%M:%S %z'),
@@ -373,6 +362,22 @@ def gettimelinedata(request):
     return HttpResponse(json.dumps(timeline_list))
 
 
+def get_stats_with_defaults(res):
+    val_min = ""
+    if res.val_min is not None:
+        val_min = res.val_min
+    val_max = ""
+    if res.val_max is not None:
+        val_max = res.val_max
+    q1 = ""
+    if res.q1 is not None:
+        q1 = res.q1
+    q3 = ""
+    if res.q3 is not None:
+        q3 = res.q3
+    return q1, q3, val_max, val_min
+
+
 @require_GET
 def timeline(request):
     data = request.GET