[issue19512] Avoid temporary Unicode strings, use identifiers to only create the string once

[STINNER Victor]

STINNER Victor added the comment:

I changed the issue title to make it closer to the real changesets related to the issue.

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title: Avoid most calls to PyUnicode_DecodeUTF8Stateful() in Python interactive mode -> Avoid temporary Unicode strings, use identifiers to only create the string once

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19512>
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