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bitbake/utils.py: Improve traceback to be more helpful/clear to users 

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
This commit is contained in:
Richard Purdie 2010-12-05 22:52:44 +00:00
parent 1a0c39e050
commit a0033b622e
1 changed files with 23 additions and 7 deletions
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30
bitbake/lib/bb/utils.py
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@ -350,22 +350,38 @@ def better_exec(code, context, text, realfile):
raise
# print the Header of the Error Message
bb.msg.error(bb.msg.domain.Util, "Error in executing python function in: %s" % realfile)
bb.msg.error(bb.msg.domain.Util, "There was an error when executing a python function in: %s" % realfile)
bb.msg.error(bb.msg.domain.Util, "Exception:%s Message:%s" % (t, value))
# Strip 'us' from the stack (better_exec call)
tb = tb.tb_next
import traceback
textarray = text.split('\n')
linefailed = traceback.tb_lineno(tb)
tbextract = traceback.extract_tb(tb)
tbextract = "\n".join(traceback.format_list(tbextract))
bb.msg.error(bb.msg.domain.Util, "Traceback:")
for line in tbextract.split('\n'):
tbformat = "\n".join(traceback.format_list(tbextract))
bb.msg.error(bb.msg.domain.Util, "The stack trace of python calls that resulted in thie exception/failure was:")
for line in tbformat.split('\n'):
bb.msg.error(bb.msg.domain.Util, line)
line = traceback.tb_lineno(tb)
bb.msg.error(bb.msg.domain.Util, "The lines leading to this error were:")
_print_trace( text.split('\n'), line )
bb.msg.error(bb.msg.domain.Util, "The code that was being executed was:")
_print_trace(textarray, linefailed)
bb.msg.error(bb.msg.domain.Util, "(file: '%s', lineno: %s, function: %s)" % (tbextract[0][0], tbextract[0][1], tbextract[0][2]))
# See if this is a function we constructed and has calls back into other functions in
# "text". If so, try and improve the context of the error by diving down the trace
level = 0
nexttb = tb.tb_next
while nexttb is not None:
if tbextract[level][0] == tbextract[level+1][0] and tbextract[level+1][2] == tbextract[level][0]:
_print_trace(textarray, tbextract[level+1][1])
bb.msg.error(bb.msg.domain.Util, "(file: '%s', lineno: %s, function: %s)" % (tbextract[level+1][0], tbextract[level+1][1], tbextract[level+1][2]))
else:
break
nexttb = tb.tb_next
level = level + 1
raise