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gh-102778: Add sys.last_exc, deprecate sys.last_type, sys.last_value,sys.last_traceback (#102779)

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Irit Katriel 2023-03-18 11:47:11 +00:00 • committed by GitHub
parent 039714d00f
commit e1e9bab006
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22 changed files with 103 additions and 36 deletions
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21
Lib/idlelib/stackviewer.py
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@ -27,7 +27,10 @@ class StackTreeItem(TreeItem):
def get_stack(self, tb):
if tb is None:
tb = sys.last_traceback
if hasattr(sys, 'last_exc'):
tb = sys.last_exc.__traceback__
else:
tb = sys.last_traceback
stack = []
if tb and tb.tb_frame is None:
tb = tb.tb_next
@ -37,11 +40,15 @@ class StackTreeItem(TreeItem):
return stack
def get_exception(self):
type = sys.last_type
value = sys.last_value
if hasattr(type, "__name__"):
type = type.__name__
s = str(type)
if hasattr(sys, 'last_exc'):
typ = type(sys.last_exc)
value = sys.last_exc
else:
typ = sys.last_type
value = sys.last_value
if hasattr(typ, "__name__"):
typ = typ.__name__
s = str(typ)
if value is not None:
s = s + ": " + str(value)
return s
@ -136,6 +143,7 @@ def _stack_viewer(parent): # htest #
except NameError:
exc_type, exc_value, exc_tb = sys.exc_info()
# inject stack trace to sys
sys.last_exc = exc_value
sys.last_type = exc_type
sys.last_value = exc_value
sys.last_traceback = exc_tb
@ -143,6 +151,7 @@ def _stack_viewer(parent): # htest #
StackBrowser(top, flist=flist, top=top, tb=exc_tb)
# restore sys to original state
del sys.last_exc
del sys.last_type
del sys.last_value
del sys.last_traceback