New submission from ppperry <maprea...@olum.org>:
class FakeContainer:
def __getitem__(self, key)
raise KeyError(key)
pdb.run("pass",{},FakeContainer())
Traceback (most recent call last):
File "<pyshell#5>", line 1, in <module>
pdb.run("pass",{},FakeContainer())
File "C:\Program Files\Python37\lib\pdb.py", line 1590, in run
Pdb().run(statement, globals, locals)
File "C:\Program Files\Python37\lib\bdb.py", line 585, in run
exec(cmd, globals, locals)
File "<string>", line 1, in <module>
File "<string>", line 1, in <module>
File "C:\Program Files\Python37\lib\bdb.py", line 88, in trace_dispatch
return self.dispatch_line(frame)
File "C:\Program Files\Python37\lib\bdb.py", line 112, in dispatch_line
self.user_line(frame)
File "C:\Program Files\Python37\lib\pdb.py", line 261, in user_line
self.interaction(frame, None)
File "C:\Program Files\Python37\lib\pdb.py", line 351, in interaction
self.print_stack_entry(self.stack[self.curindex])
File "C:\Program Files\Python37\lib\pdb.py", line 1453, in print_stack_entry
self.format_stack_entry(frame_lineno, prompt_prefix))
File "C:\Program Files\Python37\lib\bdb.py", line 549, in format_stack_entry
if '__args__' in frame.f_locals:
File "<pyshell#3>", line 3, in __getitem__
raise KeyError
KeyError: 0
Obviously, the debugger shouldn't crash in this case (running code outside of
the debugger works as expected, producing a NameError on variable reads and a
TypeError whenever a name is assigned).
----------
components: Library (Lib)
messages: 326186
nosy: ppperry
priority: normal
severity: normal
status: open
title: Pdb crashes when code is executed in a mapping that does not define
`__contains__`
versions: Python 3.7, Python 3.8
_______________________________________
Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue34782>
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