Gracefully handle stack frame tracing not working

This commit is contained in:
Bradlee Speice 2012-08-17 15:09:54 -04:00
parent 36772ac782
commit 99e35b1f3f

View File

@ -32,16 +32,27 @@ import libcvautomation
# Set up the logging options
#-------------------------------------------------------------------------------
_use_frame_trace=None
try:
from sys import _current_frames #For getting the function that called us
global _use_frame_trace
_use_frame_trace = True
except:
global _use_frame_trace
_use_frame_trace = False
import time
def _get_caller():
if _use_frame_trace:
current_frame = sys._current_frames().values()[0] #Current frame
caller_frame = current_frame.f_back.f_back #Go back two frames to make sure
#we don't get the name of the function that just called us.
caller_name = caller_frame.f_globals['__name__'] #And get the name
return caller_name
else:
return '[frame trace disabled]'
outfile = '/dev/null'
def _log_output( message ):