New submission from Terry J. Reedy <[email protected]>:
In 3.6.6, """compile("assert (0, 'bad')", '', 'single')""" in Python or IDLE
emits "SyntaxWarning: assertion is always true, perhaps remove parentheses?".
In Python,
>>> assert (0, 'bad')
<stdin>:1: SyntaxWarning: assertion is always true, perhaps remove parentheses?
In IDLE's Shell, the same statement is effectively treated as incomplete in
that newlines are echoed and IDLE waits for input until something is entered.
KeyboardInterrupt (^C) or any text terminate the loop. In the latter case,
"SyntaxError: multiple statements found while compiling a single statement" is
printed.
In a file, the statement has no effect, but the warning should be printed in
the shell.
----------
assignee: terry.reedy
components: IDLE
messages: 326745
nosy: terry.reedy
priority: normal
severity: normal
stage: test needed
status: open
title: IDLE: SyntaxWarning not handled properly
type: behavior
versions: Python 3.6, Python 3.7, Python 3.8
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Python tracker <[email protected]>
<https://bugs.python.org/issue34857>
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