diff options
Diffstat (limited to 'tests/cpydiff/syntax_spaces.py')
| -rw-r--r-- | tests/cpydiff/syntax_spaces.py | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/tests/cpydiff/syntax_spaces.py b/tests/cpydiff/syntax_spaces.py index 03d25d5619..670cefdeac 100644 --- a/tests/cpydiff/syntax_spaces.py +++ b/tests/cpydiff/syntax_spaces.py @@ -1,8 +1,15 @@ """ -categories: Syntax,Spaces -description: uPy requires spaces between literal numbers and keywords, CPy doesn't -cause: Unknown -workaround: Unknown +categories: Syntax,Literals +description: MicroPython requires spaces between literal numbers and keywords or ".", 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, when the literal number is followed by a token, this syntax causes a ``SyntaxWarning`` for an "invalid literal". When a literal number is followed by a "." denoting attribute access, CPython does not warn. + +workaround: Add a space between the integer literal and the intended next token. + +This also fixes the ``SyntaxWarning`` in CPython. """ try: @@ -17,3 +24,7 @@ try: print(eval("1if 1else 0")) except SyntaxError: print("Should have worked") +try: + print(eval("0x1.to_bytes(1)")) +except SyntaxError: + print("Should have worked") |