PidIsRunning and HumanReadableSizeString have been moved from mydata/…

…models/upload.py to mydata/utils/__init__.py

mydata/utils/__init__.py

@@ -0,0 +1,21 @@
+import psutil
+
+
+def PidIsRunning(pid):
+    try:
+        p = psutil.Process(int(pid))
+        if p.status == psutil.STATUS_DEAD:
+            return False
+        if p.status == psutil.STATUS_ZOMBIE:
+            return False
+        return True  # Assume other status are valid
+    except psutil.NoSuchProcess:
+        return False
+
+
+def HumanReadableSizeString(num):
+    for x in ['bytes', 'KB', 'MB', 'GB']:
+        if num < 1024.0 and num > -1024.0:
+            return "%3.0f %s" % (num, x)
+        num /= 1024.0
+    return "%3.0f %s" % (num, 'TB')