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tests/cpydiff: Explain the numeric literal parsing difference.

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Fixes issue #17224.

Signed-off-by: Jeff Epler <jepler@gmail.com>
This commit is contained in:
Jeff Epler
2025-05-09 19:17:50 +02:00
committed by Damien George
parent 44bcfe53de
commit e22c666d06
1 changed files with 10 additions and 3 deletions
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13
tests/cpydiff/syntax_spaces.py
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@@ -1,8 +1,15 @@
"""
categories: Syntax,Spaces
description: uPy requires spaces between literal numbers and keywords, CPy doesn't
cause: Unknown
workaround: Unknown
description: MicroPython requires spaces between literal numbers and keywords, CPython doesn't
cause: Different parser implementation
MicroPython's tokenizer treats a sequence like ``1and`` as a single token, while CPython treats it as two tokens.
Since CPython 3.11, this syntax causes a ``SyntaxWarning`` for an "invalid literal".
workaround: Add a space between the integer literal and the intended next token.
This also fixes the ``SyntaxWarning`` in CPython.
"""
try: