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Use sys.exc_info() instead of sys.exc_{type,value,traceback}. 

Also corrected a typo in format_stack (t should've been f).
This commit is contained in:
Guido van Rossum 1997-07-18 16:46:36 +00:00
parent 4994657c5f
commit 2deb73a961
1 changed files with 9 additions and 9 deletions
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18
Lib/traceback.py
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@ -128,8 +128,11 @@ def format_exception_only(etype, value):
def print_exc(limit=None, file=None):
if not file:
file = sys.stderr
print_exception(sys.exc_type, sys.exc_value, sys.exc_traceback,
limit, file)
try:
etype, value, tb = sys.exc_info()
print_exception(etype, value, tb, limit, file)
finally:
etype = value = tb = None
def print_last(limit=None, file=None):
if not file:
@ -143,8 +146,7 @@ def print_stack(f=None, limit=None, file=None):
try:
raise ZeroDivisionError
except ZeroDivisionError:
tb = sys.exc_traceback
f = tb.tb_frame.f_back
f = sys.exc_info()[2].tb_frame.f_back
print_list(extract_stack(f, limit), file)
def format_stack(f=None, limit=None):
@ -152,17 +154,15 @@ def format_stack(f=None, limit=None):
try:
raise ZeroDivisionError
except ZeroDivisionError:
tb = sys.exc_traceback
f = tb.tb_frame.f_back
return format_list(extract_stack(t, limit))
f = sys.exc_info()[2].tb_frame.f_back
return format_list(extract_stack(f, limit))
def extract_stack(f=None, limit = None):
if f is None:
try:
raise ZeroDivisionError
except ZeroDivisionError:
tb = sys.exc_traceback
f = tb.tb_frame.f_back
f = sys.exc_info()[2].tb_frame.f_back
if limit is None:
if hasattr(sys, 'tracebacklimit'):
limit = sys.tracebacklimit