8000 Incorrect information about exception raised if source contains null bytes for ast.parse() and compile() · Issue #122461 · python/cpython · GitHub
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Incorrect information about exception raised if source contains null bytes for ast.parse() and compile() #122461
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Incorrect information about exception raised if source contains null bytes for ast.parse() and compile()#122461
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3.12only security fixes3.13bugs and security fixes3.14bugs and security fixesdocsDocumentation in the Doc dir
@devdanzin

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@devdanzin
devdanzin
opened on Jul 30, 2024

Documentation

Docs for compile() and ast.parse() say they raise ValueError for source contains null bytes. However, since 3.12 (#97594), SyntaxError is raised instead:

>>> compile("\x00", "lambda.tt", "exec")
Traceback (most recent call last):
  File "<python-input-0>", line 1, in <module>
    compile("\x00", "lambda.tt", "exec")
    ~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
SyntaxError: source code string cannot contain null bytes

cpython/Doc/library/functions.rst

Lines 337 to 338 in d1a1bca

This function raises :exc:`SyntaxError` if the compiled source is invalid,
and :exc:`ValueError` if the source contains null bytes.

And

cpython/Doc/library/ast.rst

Line 2158 in d1a1bca

If source contains a null character (``\0``), :exc:`ValueError` is raised.

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