Claudiu Popa added the comment:
Thank you for your feedback, Terry.
1. IDLE is behaving differently than the builtin interpreter. It should be
higher priority, because it
leads beginners into believing that code objects are picklable.
2. No, wrapping code objects in a CodePickler with __getstate__ et al will not
work. What is important in my implementation of CodePickler is that the
dispatch_table is private, so it will not leak private reduction function, as
it happens right now.
3. That doesn't make sense. What works now is pickling of code objects,
removing the copyreg call, without my patch, will break the rpc as well. To
test this, comment the copyreg.pickle call in idlelib.rpc and just define a
function in IDLE, you'll get a PicklingError. I added a small test file, which
can be used to test what happens now and what happens after my patch.
4. Better, here's a traceback which can explain from where codes are sent. The
traceback is from inside pickle_code, using code.InteractiveInterpreter.
File "C:\Python34\lib\idlelib\PyShell.py", line 1602, in main
root.mainloop()
File "C:\Python34\lib\tkinter\__init__.py", line 1069, in mainloop
self.tk.mainloop(n)
File "C:\Python34\lib\tkinter\__init__.py", line 1487, in __call__
return self.func(*args)
File "C:\Python34\lib\idlelib\MultiCall.py", line 179, in handler
r = l[i](event)
File "C:\Python34\lib\idlelib\PyShell.py", line 1188, in enter_callback
self.runit()
File "C:\Python34\lib\idlelib\PyShell.py", line 1229, in runit
more = self.interp.runsource(line)
File "C:\Python34\lib\idlelib\PyShell.py", line 671, in runsource
return InteractiveInterpreter.runsource(self, source, filename)
File "C:\Python34\lib\code.py", line 74, in runsource
self.runcode(code)
File "C:\Python34\lib\idlelib\PyShell.py", line 762, in runcode
(code,), {})
File "C:\Python34\lib\idlelib\rpc.py", line 256, in asyncqueue
self.putmessage((seq, request))
File "C:\Python34\lib\idlelib\rpc.py", line 348, in putmessage
s = pickle.dumps(message)
----------
Added file: http://bugs.python.org/file36855/test.py
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<http://bugs.python.org/issue21986>
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