Incorrect information about exception raised if source contains null bytes for ast.parse() and compile() #122461

devdanzin · 2024-07-30T13:28:05Z

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.

Linked PRs

gh-122461: Document that compile() and ast.parse() raise SyntaxError for null bytes #122462

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devdanzin added the docs Documentation in the Doc dir label Jul 30, 2024

bedevere-app bot mentioned this issue Jul 30, 2024

gh-122461: Document that compile() and ast.parse() raise SyntaxError for null bytes #122462

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Eclips4 added 3.12 only security fixes 3.13 bugs and security fixes 3.14 bugs and security fixes labels Jul 30, 2024

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Incorrect information about exception raised if source contains null bytes for ast.parse() and compile() #122461

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

Incorrect information about exception raised if source contains null bytes for ast.parse() and compile() #122461

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