[bitbake-devel] [PATCH] knotty: Chain the WINCH signal handler in progressbar so any other handler is preserved and called
Richard Purdie
richard.purdie at linuxfoundation.org
Wed Aug 15 15:58:46 UTC 2012
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
diff --git a/bitbake/lib/bb/ui/knotty.py b/bitbake/lib/bb/ui/knotty.py
index 9f51823..34b5969 100644
--- a/bitbake/lib/bb/ui/knotty.py
+++ b/bitbake/lib/bb/ui/knotty.py
@@ -25,6 +25,7 @@ import sys
import xmlrpclib
import logging
import progressbar
+import signal
import bb.msg
from bb.ui import uihelper
@@ -37,8 +38,21 @@ class BBProgress(progressbar.ProgressBar):
widgets = [progressbar.Percentage(), ' ', progressbar.Bar(), ' ',
progressbar.ETA()]
+ try:
+ self._resize_default = signal.getsignal(signal.SIGWINCH)
+ except:
+ self._resize_default = None
progressbar.ProgressBar.__init__(self, maxval, [self.msg + ": "] + widgets)
+ def _handle_resize(self, signum, frame):
+ progressbar.ProgressBar._handle_resize(self, signum, frame)
+ if self._resize_default:
+ self._resize_default(signum, frame)
+ def finish(self):
+ progressbar.ProgressBar.finish(self)
+ if self._resize_default:
+ signal.signal(signal.SIGWINCH, self._resize_default)
+
class NonInteractiveProgress(object):
fobj = sys.stdout
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