Write directly test output to avoid waiting for test completion

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@29609 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Tool/TemplateTool.py

@@ -459,9 +459,11 @@ class TemplateTool (BaseTool):
                                  stdout=subprocess.PIPE,
                                  stderr=subprocess.STDOUT)
 
-      output = process.communicate()[0]
-
-      outfile.write(output)
+      while True:
+        line = process.stdout.readline()
+        if not line:
+          break
+        outfile.write(line)
         outfile.flush()
 
       if hasattr(outfile, 'getvalue'):