New submission from Alexander Belopolsky:

>>> print("\N{ROCKET}")
Traceback (most recent call last):
  File "<pyshell#1>", line 1, in <module>
    print("\N{ROCKET}")
  File "idlelib/PyShell.py", line 1352, in write
    return self.shell.write(s, self.tags)
UnicodeEncodeError: 'UCS-2' codec can't encode character '\U0001f680' in 
position 0: Non-BMP character not supported in Tk

Shouldn't IDLE replace non-encodable characters with "\uFFFD"?

I think

>>> "\N{ROCKET}"
�

is user-friendlier than the traceback.

See also #14304.

----------
components: Library (Lib)
messages: 230078
nosy: belopolsky
priority: normal
severity: normal
status: open
title: IDLE shows traceback when printing non-BMP character
type: behavior

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue22742>
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