222 lines
		
	
	
		
			5.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			222 lines
		
	
	
		
			5.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
from collections.abc import Callable, Mapping
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from enum import Enum
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from typing import Any, Generic, ParamSpec, Self, TypeAlias, overload
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from typing import Literal as L
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from typing_extensions import TypeVar
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__all__ = ["Expr"]
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###
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_Tss = ParamSpec("_Tss")
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_ExprT = TypeVar("_ExprT", bound=Expr)
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_ExprT1 = TypeVar("_ExprT1", bound=Expr)
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_ExprT2 = TypeVar("_ExprT2", bound=Expr)
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_OpT_co = TypeVar("_OpT_co", bound=Op, default=Op, covariant=True)
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_LanguageT_co = TypeVar("_LanguageT_co", bound=Language, default=Language, covariant=True)
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_DataT_co = TypeVar("_DataT_co", default=Any, covariant=True)
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_LeftT_co = TypeVar("_LeftT_co", default=Any, covariant=True)
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_RightT_co = TypeVar("_RightT_co", default=Any, covariant=True)
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_RelCOrPy: TypeAlias = L["==", "!=", "<", "<=", ">", ">="]
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_RelFortran: TypeAlias = L[".eq.", ".ne.", ".lt.", ".le.", ".gt.", ".ge."]
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_ToExpr: TypeAlias = Expr | complex | str
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_ToExprN: TypeAlias = _ToExpr | tuple[_ToExprN, ...]
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_NestedString: TypeAlias = str | tuple[_NestedString, ...] | list[_NestedString]
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###
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class OpError(Exception): ...
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class ExprWarning(UserWarning): ...
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class Language(Enum):
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    Python = 0
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    Fortran = 1
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    C = 2
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class Op(Enum):
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    INTEGER = 10
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    REAL = 12
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    COMPLEX = 15
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    STRING = 20
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    ARRAY = 30
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    SYMBOL = 40
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    TERNARY = 100
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    APPLY = 200
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    INDEXING = 210
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    CONCAT = 220
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    RELATIONAL = 300
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    TERMS = 1_000
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    FACTORS = 2_000
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    REF = 3_000
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    DEREF = 3_001
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class RelOp(Enum):
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    EQ = 1
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    NE = 2
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    LT = 3
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    LE = 4
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    GT = 5
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    GE = 6
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    @overload
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    @classmethod
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    def fromstring(cls, s: _RelCOrPy, language: L[Language.C, Language.Python] = ...) -> RelOp: ...
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    @overload
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    @classmethod
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    def fromstring(cls, s: _RelFortran, language: L[Language.Fortran]) -> RelOp: ...
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    #
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    @overload
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    def tostring(self, /, language: L[Language.C, Language.Python] = ...) -> _RelCOrPy: ...
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    @overload
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    def tostring(self, /, language: L[Language.Fortran]) -> _RelFortran: ...
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class ArithOp(Enum):
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    POS = 1
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    NEG = 2
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    ADD = 3
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    SUB = 4
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    MUL = 5
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    DIV = 6
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    POW = 7
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class Precedence(Enum):
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    ATOM = 0
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    POWER = 1
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    UNARY = 2
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    PRODUCT = 3
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    SUM = 4
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    LT = 6
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    EQ = 7
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    LAND = 11
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    LOR = 12
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    TERNARY = 13
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    ASSIGN = 14
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    TUPLE = 15
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    NONE = 100
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class Expr(Generic[_OpT_co, _DataT_co]):
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    op: _OpT_co
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    data: _DataT_co
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    @staticmethod
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    def parse(s: str, language: Language = ...) -> Expr: ...
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    #
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    def __init__(self, /, op: Op, data: _DataT_co) -> None: ...
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    #
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    def __lt__(self, other: Expr, /) -> bool: ...
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    def __le__(self, other: Expr, /) -> bool: ...
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    def __gt__(self, other: Expr, /) -> bool: ...
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    def __ge__(self, other: Expr, /) -> bool: ...
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    #
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    def __pos__(self, /) -> Self: ...
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    def __neg__(self, /) -> Expr: ...
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    #
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    def __add__(self, other: Expr, /) -> Expr: ...
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    def __radd__(self, other: Expr, /) -> Expr: ...
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    #
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    def __sub__(self, other: Expr, /) -> Expr: ...
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    def __rsub__(self, other: Expr, /) -> Expr: ...
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    #
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    def __mul__(self, other: Expr, /) -> Expr: ...
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    def __rmul__(self, other: Expr, /) -> Expr: ...
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    #
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    def __pow__(self, other: Expr, /) -> Expr: ...
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    #
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    def __truediv__(self, other: Expr, /) -> Expr: ...
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    def __rtruediv__(self, other: Expr, /) -> Expr: ...
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    #
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    def __floordiv__(self, other: Expr, /) -> Expr: ...
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    def __rfloordiv__(self, other: Expr, /) -> Expr: ...
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    #
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    def __call__(
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        self,
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        /,
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        *args: _ToExprN,
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        **kwargs: _ToExprN,
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    ) -> Expr[L[Op.APPLY], tuple[Self, tuple[Expr, ...], dict[str, Expr]]]: ...
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    #
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    @overload
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    def __getitem__(self, index: _ExprT | tuple[_ExprT], /) -> Expr[L[Op.INDEXING], tuple[Self, _ExprT]]: ...
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    @overload
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    def __getitem__(self, index: _ToExpr | tuple[_ToExpr], /) -> Expr[L[Op.INDEXING], tuple[Self, Expr]]: ...
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    #
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    def substitute(self, /, symbols_map: Mapping[Expr, Expr]) -> Expr: ...
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    #
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    @overload
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    def traverse(self, /, visit: Callable[_Tss, None], *args: _Tss.args, **kwargs: _Tss.kwargs) -> Expr: ...
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    @overload
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    def traverse(self, /, visit: Callable[_Tss, _ExprT], *args: _Tss.args, **kwargs: _Tss.kwargs) -> _ExprT: ...
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    #
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    def contains(self, /, other: Expr) -> bool: ...
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    #
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    def symbols(self, /) -> set[Expr]: ...
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    def polynomial_atoms(self, /) -> set[Expr]: ...
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    #
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    def linear_solve(self, /, symbol: Expr) -> tuple[Expr, Expr]: ...
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    #
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    def tostring(self, /, parent_precedence: Precedence = ..., language: Language = ...) -> str: ...
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class _Pair(Generic[_LeftT_co, _RightT_co]):
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    left: _LeftT_co
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    right: _RightT_co
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    def __init__(self, /, left: _LeftT_co, right: _RightT_co) -> None: ...
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    #
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    @overload
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    def substitute(self: _Pair[_ExprT1, _ExprT2], /, symbols_map: Mapping[Expr, Expr]) -> _Pair[Expr, Expr]: ...
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    @overload
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    def substitute(self: _Pair[_ExprT1, object], /, symbols_map: Mapping[Expr, Expr]) -> _Pair[Expr, Any]: ...
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    @overload
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    def substitute(self: _Pair[object, _ExprT2], /, symbols_map: Mapping[Expr, Expr]) -> _Pair[Any, Expr]: ...
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    @overload
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    def substitute(self, /, symbols_map: Mapping[Expr, Expr]) -> _Pair: ...
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class _FromStringWorker(Generic[_LanguageT_co]):
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    language: _LanguageT_co
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    original: str | None
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    quotes_map: dict[str, str]
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    @overload
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    def __init__(self: _FromStringWorker[L[Language.C]], /, language: L[Language.C] = ...) -> None: ...
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    @overload
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    def __init__(self, /, language: _LanguageT_co) -> None: ...
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    #
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    def finalize_string(self, /, s: str) -> str: ...
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    #
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    def parse(self, /, inp: str) -> Expr | _Pair: ...
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    #
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    @overload
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    def process(self, /, s: str, context: str = "expr") -> Expr | _Pair: ...
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    @overload
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    def process(self, /, s: list[str], context: str = "expr") -> list[Expr | _Pair]: ...
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    @overload
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    def process(self, /, s: tuple[str, ...], context: str = "expr") -> tuple[Expr | _Pair, ...]: ...
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    @overload
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    def process(self, /, s: _NestedString, context: str = "expr") -> Any: ...  # noqa: ANN401
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