Create an execWithCallback() function that takes in a callback function
and some data that is always passed to the callback function. Change
execWithPulseProgress() to use execWithCallback(). The idea behind
execWithCallback() is to allow flexibility to creating non-pulse
progress bars or other UI indicators.
---
iutil.py | 18 +++++++++++++++---
1 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/iutil.py b/iutil.py
index 7ee1bf7..0b15bd8 100644
--- a/iutil.py
+++ b/iutil.py
@@ -242,8 +242,9 @@ def execWithCapture(command, argv, stdin = None, stderr = None, root='/'):
closefds()
return rc
-def execWithPulseProgress(command, argv, stdin = None, stdout = None,
- stderr = None, progress = None, root = '/'):
+def execWithCallback(command, argv, stdin = None, stdout = None,
+ stderr = None, callback = None, callback_data = None,
+ root = '/'):
def chroot():
os.chroot(root)
@@ -311,7 +312,8 @@ def execWithPulseProgress(command, argv, stdin = None, stdout = None,
os.write(stdout, s)
runningLog.write(s)
- if progress: progress.pulse()
+ if callback:
+ callback(s, callback_data=callback_data)
# break out early if the sub-process changes status.
# no need to flush the stream if the process has exited
@@ -342,6 +344,16 @@ def execWithPulseProgress(command, argv, stdin = None, stdout = None,
return 1
+def _pulseProgressCallback(data, callback_data=None):
+ if callback_data:
+ callback_data.pulse()
+
+def execWithPulseProgress(command, argv, stdin = None, stdout = None,
+ stderr = None, progress = None, root = '/'):
+ execWithCallback(command, argv, stdin=stdin, stdout=stdout,
+ stderr=stderr, callback=_pulseProgressCallback,
+ callback_data=progress, root=root)
+
## Run a shell.
def execConsole():
try:
--
1.6.2.5
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