knotty: Improve exception handling

PATCH New Richard Purdie 1 participant 1 message Aug 21, 2014

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Richard Purdie

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2014-08-21 20:45 UTC #0 lore raw

PATCH 1/1 knotty: Improve exception handling

Currently, IOErrors are just passed over due to the broken Exception clause. A command like "bitbake X | <invalid command>" would break stdout triggering a traceback. With these changes we print the exceptions, shut down the server gracefully and exit which is a much nicer behaviour and is less confusion to the user.

Signed-off-by Richard Purdie <[email protected]>

bitbake/lib/bb/ui/knotty.py +9 -1

index 746dcf4..bb6d4cb 100644
@@ -508,6 +508,10 @@ def main(server, eventHandler, params, tf = TerminalFilter):
             # ignore interrupted io
             if ioerror.args[0] == 4:
                 pass
+            sys.stderr.write(str(ioerror))
+            if not params.observe_only:
+                _, error = server.runCommand(["stateForceShutdown"])
+            main.shutdown = 2
         except KeyboardInterrupt:
             termfilter.clearFooter()
             if params.observe_only:

@@ -526,7 +530,11 @@ def main(server, eventHandler, params, tf = TerminalFilter):
                     logger.error("Unable to cleanly shutdown: %s" % error)
             main.shutdown = main.shutdown + 1
             pass
-
+        except Exception as e:
+            sys.stderr.write(str(e))
+            if not params.observe_only:
+                _, error = server.runCommand(["stateForceShutdown"])
+            main.shutdown = 2
     summary = ""
     if taskfailures:
         summary += pluralise("\nSummary: %s task failed:",