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Bug #1457

test_core_go hangs

Added by Rogers, Chris over 9 years ago. Updated over 9 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Rogers, Chris
Category:
common_py
Target version:
Future MAUS release
Start date:
17 April 2014
Due date:
% Done:

100%

Estimated time:
Workflow:
New Issue

Description

For some reason, test_core_go was hanging on Celeste's machine. We nailed the problem down to some issue with the subprocess handling used to extract bzr information into the job header. No idea why this is happening, but the following diff seemed to fix things.

=== modified file 'src/common_py/Go.py'
--- src/common_py/Go.py    2012-11-22 10:36:21 +0000
+++ src/common_py/Go.py    2014-04-17 13:07:58 +0000
@@ -201,10 +201,7 @@
             pass
         try:
             mrd = os.environ["MAUS_ROOT_DIR"]
-            proc = subprocess.Popen(['bzr', 'status', mrd],
-                               stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
-            proc.wait()
-            bzr_status = proc.stdout.read()
+            bzr_status = subprocess.check_output(['bzr', 'status', mrd], stderr=subprocess.STDOUT)
         except (OSError, IOError):
             pass
         maus_version = json_datacards["maus_version"]
#1

Updated by Rogers, Chris over 9 years ago

  • Status changed from Open to Closed
  • % Done changed from 0 to 100

Committed in r718; note that there was a bug in the diff that we fail to catch errors properly when bzr doesn't exist, and this was repaired in r728

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