1 files changed, 24 insertions, 0 deletions
diff --git a/loader.py b/loader.py
index 6a43a84..ba0fcec 100755
--- a/loader.py
+++ b/loader.py
@@ -1,6 +1,30 @@
 #!/usr/bin/env python3
 
 from dialog import Dialog
+from threading import Thread
+import subprocess
+import sys, os
+import contextlib
+
+#http://blog.thelinuxkid.com/2013/06/get-python-subprocess-output-without.html
+def read_stderr_realtime(proc, stream='stderr'):
+    newlines = ['\n', '\r\n', '\r']
+    stream = getattr(proc, stream)
+    with contextlib.closing(stream):
+        while True:
+            out = []
+            last = stream.read(1)
+            # Don't loop forever
+            if last == '' and proc.poll() is not None:
+                break
+            while last not in newlines:
+                # Don't loop forever
+                if last == '' and proc.poll() is not None:
+                    break
+                out.append(last)
+                last = stream.read(1)
+            out = ''.join(out)
+            yield out
 
 d = Dialog(dialog="dialog")
 d.set_background_title("Select file to load.....")