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mypy on python3.12 raises DeprecationWarning from ast #15330

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mypy on python3.12 raises DeprecationWarning from ast#15330
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bugmypy got something wrong

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@jakkdl
jakkdl
opened on May 31, 2023

Bug Report

From https://docs.python.org/3.12/whatsnew/3.12.html

  • The following ast features have been deprecated in documentation since Python 3.8, now cause a DeprecationWarning to be emitted at runtime when they are accessed or used, and will be removed in Python 3.14:
    * ast.Num
    * ast.Str
    * ast.Bytes
    * ast.NameConstant
    * ast.Ellipsis

Use ast.Constant instead. (Contributed by Serhiy Storchaka in gh-90953.)

Raised in fastparse.py, but haven't checked if they're present elsewhere

mypy/mypy/fastparse.py

Lines 133 to 151 in 3d2f437

# TODO: Num, Str, Bytes, NameConstant, Ellipsis are deprecated in 3.8.
# TODO: Index, ExtSlice are deprecated in 3.9.
from ast import (
AST,
Attribute,
Bytes,
Call,
Ellipsis as ast3_Ellipsis,
Expression as ast3_Expression,
FunctionType,
Index,
Name,
NameConstant,
Num,
Starred,
Str,
UnaryOp,
USub,
)
See More

Activity

  1. jakkdl
    added
    bugmypy got something wrong
    on May 31, 2023

  2. sobolevn commented on Jun 30, 2023

    @sobolevn
    sobolevn
    on Jun 30, 2023
    Member

    List of actual warnings I get:

    /Users/sobolev/Desktop/mypy/mypy/fastparse.py:135: DeprecationWarning: ast.Bytes is deprecated and will be removed in Python 3.14; use ast.Constant instead
  from ast import (
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:135: DeprecationWarning: ast.Ellipsis is deprecated and will be removed in Python 3.14; use ast.Constant instead
  from ast import (
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:135: DeprecationWarning: ast.NameConstant is deprecated and will be removed in Python 3.14; use ast.Constant instead
  from ast import (
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:135: DeprecationWarning: ast.Num is deprecated and will be removed in Python 3.14; use ast.Constant instead
  from ast import (
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:135: DeprecationWarning: ast.Str is deprecated and will be removed in Python 3.14; use ast.Constant instead
  from ast import (
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:2000: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  return parse_type_string(n.s, "builtins.str", self.line, n.col_offset)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1585: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = BytesExpr(bytes_to_human_readable_repr(n.s))
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:2000: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  return parse_type_string(n.s, "builtins.str", self.line, n.col_offset)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:2000: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  return parse_type_string(n.s, "builtins.str", self.line, n.col_offset)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:2000: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  return parse_type_string(n.s, "builtins.str", self.line, n.col_offset)
/Users/sobolev/Desktop/mypy/mypy/fastparse.py:1583: DeprecationWarning: Attribute s is deprecated and will be removed in Python 3.14; use value instead
  e = StrExpr(n.s)
  3. sobolevn
    added a commit that references this issue on Jul 3, 2023

    Fix `ast` warnings for Python3.12 (#15558)

    a759c49
  4. sobolevn
    closed this as completedon Jul 3, 2023
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