two version of R2R are here HEAD master

1 files changed, 689 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/sqlalchemy/util/typing.py b/.venv/lib/python3.12/site-packages/sqlalchemy/util/typing.py
new file mode 100644
index 00000000..62fd47c6
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/sqlalchemy/util/typing.py
@@ -0,0 +1,689 @@
+# util/typing.py
+# Copyright (C) 2022-2025 the SQLAlchemy authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of SQLAlchemy and is released under
+# the MIT License: https://www.opensource.org/licenses/mit-license.php
+# mypy: allow-untyped-defs, allow-untyped-calls
+
+from __future__ import annotations
+
+import builtins
+from collections import deque
+import collections.abc as collections_abc
+import re
+import sys
+import typing
+from typing import Any
+from typing import Callable
+from typing import cast
+from typing import Dict
+from typing import ForwardRef
+from typing import Generic
+from typing import Iterable
+from typing import Mapping
+from typing import NewType
+from typing import NoReturn
+from typing import Optional
+from typing import overload
+from typing import Set
+from typing import Tuple
+from typing import Type
+from typing import TYPE_CHECKING
+from typing import TypeVar
+from typing import Union
+
+from . import compat
+
+if True:  # zimports removes the tailing comments
+    from typing_extensions import Annotated as Annotated  # 3.8
+    from typing_extensions import Concatenate as Concatenate  # 3.10
+    from typing_extensions import (
+        dataclass_transform as dataclass_transform,  # 3.11,
+    )
+    from typing_extensions import Final as Final  # 3.8
+    from typing_extensions import final as final  # 3.8
+    from typing_extensions import get_args as get_args  # 3.10
+    from typing_extensions import get_origin as get_origin  # 3.10
+    from typing_extensions import Literal as Literal  # 3.8
+    from typing_extensions import NotRequired as NotRequired  # 3.11
+    from typing_extensions import ParamSpec as ParamSpec  # 3.10
+    from typing_extensions import Protocol as Protocol  # 3.8
+    from typing_extensions import SupportsIndex as SupportsIndex  # 3.8
+    from typing_extensions import TypeAlias as TypeAlias  # 3.10
+    from typing_extensions import TypedDict as TypedDict  # 3.8
+    from typing_extensions import TypeGuard as TypeGuard  # 3.10
+    from typing_extensions import Self as Self  # 3.11
+    from typing_extensions import TypeAliasType as TypeAliasType  # 3.12
+    from typing_extensions import Never as Never  # 3.11
+
+_T = TypeVar("_T", bound=Any)
+_KT = TypeVar("_KT")
+_KT_co = TypeVar("_KT_co", covariant=True)
+_KT_contra = TypeVar("_KT_contra", contravariant=True)
+_VT = TypeVar("_VT")
+_VT_co = TypeVar("_VT_co", covariant=True)
+
+if compat.py38:
+    # typing_extensions.Literal is different from typing.Literal until
+    # Python 3.10.1
+    LITERAL_TYPES = frozenset([typing.Literal, Literal])
+else:
+    LITERAL_TYPES = frozenset([Literal])
+
+
+if compat.py310:
+    # why they took until py310 to put this in stdlib is beyond me,
+    # I've been wanting it since py27
+    from types import NoneType as NoneType
+else:
+    NoneType = type(None)  # type: ignore
+
+NoneFwd = ForwardRef("None")
+
+
+_AnnotationScanType = Union[
+    Type[Any], str, ForwardRef, NewType, TypeAliasType, "GenericProtocol[Any]"
+]
+
+
+class ArgsTypeProtocol(Protocol):
+    """protocol for types that have ``__args__``
+
+    there's no public interface for this AFAIK
+
+    """
+
+    __args__: Tuple[_AnnotationScanType, ...]
+
+
+class GenericProtocol(Protocol[_T]):
+    """protocol for generic types.
+
+    this since Python.typing _GenericAlias is private
+
+    """
+
+    __args__: Tuple[_AnnotationScanType, ...]
+    __origin__: Type[_T]
+
+    # Python's builtin _GenericAlias has this method, however builtins like
+    # list, dict, etc. do not, even though they have ``__origin__`` and
+    # ``__args__``
+    #
+    # def copy_with(self, params: Tuple[_AnnotationScanType, ...]) -> Type[_T]:
+    #     ...
+
+
+# copied from TypeShed, required in order to implement
+# MutableMapping.update()
+class SupportsKeysAndGetItem(Protocol[_KT, _VT_co]):
+    def keys(self) -> Iterable[_KT]: ...
+
+    def __getitem__(self, __k: _KT) -> _VT_co: ...
+
+
+# work around https://github.com/microsoft/pyright/issues/3025
+_LiteralStar = Literal["*"]
+
+
+def de_stringify_annotation(
+    cls: Type[Any],
+    annotation: _AnnotationScanType,
+    originating_module: str,
+    locals_: Mapping[str, Any],
+    *,
+    str_cleanup_fn: Optional[Callable[[str, str], str]] = None,
+    include_generic: bool = False,
+    _already_seen: Optional[Set[Any]] = None,
+) -> Type[Any]:
+    """Resolve annotations that may be string based into real objects.
+
+    This is particularly important if a module defines "from __future__ import
+    annotations", as everything inside of __annotations__ is a string. We want
+    to at least have generic containers like ``Mapped``, ``Union``, ``List``,
+    etc.
+
+    """
+    # looked at typing.get_type_hints(), looked at pydantic.  We need much
+    # less here, and we here try to not use any private typing internals
+    # or construct ForwardRef objects which is documented as something
+    # that should be avoided.
+
+    original_annotation = annotation
+
+    if is_fwd_ref(annotation):
+        annotation = annotation.__forward_arg__
+
+    if isinstance(annotation, str):
+        if str_cleanup_fn:
+            annotation = str_cleanup_fn(annotation, originating_module)
+
+        annotation = eval_expression(
+            annotation, originating_module, locals_=locals_, in_class=cls
+        )
+
+    if (
+        include_generic
+        and is_generic(annotation)
+        and not is_literal(annotation)
+    ):
+        if _already_seen is None:
+            _already_seen = set()
+
+        if annotation in _already_seen:
+            # only occurs recursively.  outermost return type
+            # will always be Type.
+            # the element here will be either ForwardRef or
+            # Optional[ForwardRef]
+            return original_annotation  # type: ignore
+        else:
+            _already_seen.add(annotation)
+
+        elements = tuple(
+            de_stringify_annotation(
+                cls,
+                elem,
+                originating_module,
+                locals_,
+                str_cleanup_fn=str_cleanup_fn,
+                include_generic=include_generic,
+                _already_seen=_already_seen,
+            )
+            for elem in annotation.__args__
+        )
+
+        return _copy_generic_annotation_with(annotation, elements)
+
+    return annotation  # type: ignore
+
+
+def fixup_container_fwd_refs(
+    type_: _AnnotationScanType,
+) -> _AnnotationScanType:
+    """Correct dict['x', 'y'] into dict[ForwardRef('x'), ForwardRef('y')]
+    and similar for list, set
+
+    """
+
+    if (
+        is_generic(type_)
+        and get_origin(type_)
+        in (
+            dict,
+            set,
+            list,
+            collections_abc.MutableSet,
+            collections_abc.MutableMapping,
+            collections_abc.MutableSequence,
+            collections_abc.Mapping,
+            collections_abc.Sequence,
+        )
+        # fight, kick and scream to struggle to tell the difference between
+        # dict[] and typing.Dict[] which DO NOT compare the same and DO NOT
+        # behave the same yet there is NO WAY to distinguish between which type
+        # it is using public attributes
+        and not re.match(
+            "typing.(?:Dict|List|Set|.*Mapping|.*Sequence|.*Set)", repr(type_)
+        )
+    ):
+        # compat with py3.10 and earlier
+        return get_origin(type_).__class_getitem__(  # type: ignore
+            tuple(
+                [
+                    ForwardRef(elem) if isinstance(elem, str) else elem
+                    for elem in get_args(type_)
+                ]
+            )
+        )
+    return type_
+
+
+def _copy_generic_annotation_with(
+    annotation: GenericProtocol[_T], elements: Tuple[_AnnotationScanType, ...]
+) -> Type[_T]:
+    if hasattr(annotation, "copy_with"):
+        # List, Dict, etc. real generics
+        return annotation.copy_with(elements)  # type: ignore
+    else:
+        # Python builtins list, dict, etc.
+        return annotation.__origin__[elements]  # type: ignore
+
+
+def eval_expression(
+    expression: str,
+    module_name: str,
+    *,
+    locals_: Optional[Mapping[str, Any]] = None,
+    in_class: Optional[Type[Any]] = None,
+) -> Any:
+    try:
+        base_globals: Dict[str, Any] = sys.modules[module_name].__dict__
+    except KeyError as ke:
+        raise NameError(
+            f"Module {module_name} isn't present in sys.modules; can't "
+            f"evaluate expression {expression}"
+        ) from ke
+
+    try:
+        if in_class is not None:
+            cls_namespace = dict(in_class.__dict__)
+            cls_namespace.setdefault(in_class.__name__, in_class)
+
+            # see #10899.  We want the locals/globals to take precedence
+            # over the class namespace in this context, even though this
+            # is not the usual way variables would resolve.
+            cls_namespace.update(base_globals)
+
+            annotation = eval(expression, cls_namespace, locals_)
+        else:
+            annotation = eval(expression, base_globals, locals_)
+    except Exception as err:
+        raise NameError(
+            f"Could not de-stringify annotation {expression!r}"
+        ) from err
+    else:
+        return annotation
+
+
+def eval_name_only(
+    name: str,
+    module_name: str,
+    *,
+    locals_: Optional[Mapping[str, Any]] = None,
+) -> Any:
+    if "." in name:
+        return eval_expression(name, module_name, locals_=locals_)
+
+    try:
+        base_globals: Dict[str, Any] = sys.modules[module_name].__dict__
+    except KeyError as ke:
+        raise NameError(
+            f"Module {module_name} isn't present in sys.modules; can't "
+            f"resolve name {name}"
+        ) from ke
+
+    # name only, just look in globals.  eval() works perfectly fine here,
+    # however we are seeking to have this be faster, as this occurs for
+    # every Mapper[] keyword, etc. depending on configuration
+    try:
+        return base_globals[name]
+    except KeyError as ke:
+        # check in builtins as well to handle `list`, `set` or `dict`, etc.
+        try:
+            return builtins.__dict__[name]
+        except KeyError:
+            pass
+
+        raise NameError(
+            f"Could not locate name {name} in module {module_name}"
+        ) from ke
+
+
+def resolve_name_to_real_class_name(name: str, module_name: str) -> str:
+    try:
+        obj = eval_name_only(name, module_name)
+    except NameError:
+        return name
+    else:
+        return getattr(obj, "__name__", name)
+
+
+def is_pep593(type_: Optional[Any]) -> bool:
+    return type_ is not None and get_origin(type_) is Annotated
+
+
+def is_non_string_iterable(obj: Any) -> TypeGuard[Iterable[Any]]:
+    return isinstance(obj, collections_abc.Iterable) and not isinstance(
+        obj, (str, bytes)
+    )
+
+
+def is_literal(type_: Any) -> bool:
+    return get_origin(type_) in LITERAL_TYPES
+
+
+def is_newtype(type_: Optional[_AnnotationScanType]) -> TypeGuard[NewType]:
+    return hasattr(type_, "__supertype__")
+
+    # doesn't work in 3.8, 3.7 as it passes a closure, not an
+    # object instance
+    # return isinstance(type_, NewType)
+
+
+def is_generic(type_: _AnnotationScanType) -> TypeGuard[GenericProtocol[Any]]:
+    return hasattr(type_, "__args__") and hasattr(type_, "__origin__")
+
+
+def is_pep695(type_: _AnnotationScanType) -> TypeGuard[TypeAliasType]:
+    return isinstance(type_, TypeAliasType)
+
+
+def flatten_newtype(type_: NewType) -> Type[Any]:
+    super_type = type_.__supertype__
+    while is_newtype(super_type):
+        super_type = super_type.__supertype__
+    return super_type  # type: ignore[return-value]
+
+
+def pep695_values(type_: _AnnotationScanType) -> Set[Any]:
+    """Extracts the value from a TypeAliasType, recursively exploring unions
+    and inner TypeAliasType to flatten them into a single set.
+
+    Forward references are not evaluated, so no recursive exploration happens
+    into them.
+    """
+    _seen = set()
+
+    def recursive_value(type_):
+        if type_ in _seen:
+            # recursion are not supported (at least it's flagged as
+            # an error by pyright). Just avoid infinite loop
+            return type_
+        _seen.add(type_)
+        if not is_pep695(type_):
+            return type_
+        value = type_.__value__
+        if not is_union(value):
+            return value
+        return [recursive_value(t) for t in value.__args__]
+
+    res = recursive_value(type_)
+    if isinstance(res, list):
+        types = set()
+        stack = deque(res)
+        while stack:
+            t = stack.popleft()
+            if isinstance(t, list):
+                stack.extend(t)
+            else:
+                types.add(None if t in {NoneType, NoneFwd} else t)
+        return types
+    else:
+        return {res}
+
+
+def is_fwd_ref(
+    type_: _AnnotationScanType,
+    check_generic: bool = False,
+    check_for_plain_string: bool = False,
+) -> TypeGuard[ForwardRef]:
+    if check_for_plain_string and isinstance(type_, str):
+        return True
+    elif isinstance(type_, ForwardRef):
+        return True
+    elif check_generic and is_generic(type_):
+        return any(
+            is_fwd_ref(
+                arg, True, check_for_plain_string=check_for_plain_string
+            )
+            for arg in type_.__args__
+        )
+    else:
+        return False
+
+
+@overload
+def de_optionalize_union_types(type_: str) -> str: ...
+
+
+@overload
+def de_optionalize_union_types(type_: Type[Any]) -> Type[Any]: ...
+
+
+@overload
+def de_optionalize_union_types(
+    type_: _AnnotationScanType,
+) -> _AnnotationScanType: ...
+
+
+def de_optionalize_union_types(
+    type_: _AnnotationScanType,
+) -> _AnnotationScanType:
+    """Given a type, filter out ``Union`` types that include ``NoneType``
+    to not include the ``NoneType``.
+
+    Contains extra logic to work on non-flattened unions, unions that contain
+    ``None`` (seen in py38, 37)
+
+    """
+
+    if is_fwd_ref(type_):
+        return _de_optionalize_fwd_ref_union_types(type_, False)
+
+    elif is_union(type_) and includes_none(type_):
+        if compat.py39:
+            typ = set(type_.__args__)
+        else:
+            # py38, 37 - unions are not automatically flattened, can contain
+            # None rather than NoneType
+            stack_of_unions = deque([type_])
+            typ = set()
+            while stack_of_unions:
+                u_typ = stack_of_unions.popleft()
+                for elem in u_typ.__args__:
+                    if is_union(elem):
+                        stack_of_unions.append(elem)
+                    else:
+                        typ.add(elem)
+
+            typ.discard(None)  # type: ignore
+
+        typ.discard(NoneType)
+        typ.discard(NoneFwd)
+
+        return make_union_type(*typ)
+
+    else:
+        return type_
+
+
+@overload
+def _de_optionalize_fwd_ref_union_types(
+    type_: ForwardRef, return_has_none: Literal[True]
+) -> bool: ...
+
+
+@overload
+def _de_optionalize_fwd_ref_union_types(
+    type_: ForwardRef, return_has_none: Literal[False]
+) -> _AnnotationScanType: ...
+
+
+def _de_optionalize_fwd_ref_union_types(
+    type_: ForwardRef, return_has_none: bool
+) -> Union[_AnnotationScanType, bool]:
+    """return the non-optional type for Optional[], Union[None, ...], x|None,
+    etc. without de-stringifying forward refs.
+
+    unfortunately this seems to require lots of hardcoded heuristics
+
+    """
+
+    annotation = type_.__forward_arg__
+
+    mm = re.match(r"^(.+?)\[(.+)\]$", annotation)
+    if mm:
+        g1 = mm.group(1).split(".")[-1]
+        if g1 == "Optional":
+            return True if return_has_none else ForwardRef(mm.group(2))
+        elif g1 == "Union":
+            if "[" in mm.group(2):
+                # cases like "Union[Dict[str, int], int, None]"
+                elements: list[str] = []
+                current: list[str] = []
+                ignore_comma = 0
+                for char in mm.group(2):
+                    if char == "[":
+                        ignore_comma += 1
+                    elif char == "]":
+                        ignore_comma -= 1
+                    elif ignore_comma == 0 and char == ",":
+                        elements.append("".join(current).strip())
+                        current.clear()
+                        continue
+                    current.append(char)
+            else:
+                elements = re.split(r",\s*", mm.group(2))
+            parts = [ForwardRef(elem) for elem in elements if elem != "None"]
+            if return_has_none:
+                return len(elements) != len(parts)
+            else:
+                return make_union_type(*parts) if parts else Never  # type: ignore[return-value] # noqa: E501
+        else:
+            return False if return_has_none else type_
+
+    pipe_tokens = re.split(r"\s*\|\s*", annotation)
+    has_none = "None" in pipe_tokens
+    if return_has_none:
+        return has_none
+    if has_none:
+        anno_str = "|".join(p for p in pipe_tokens if p != "None")
+        return ForwardRef(anno_str) if anno_str else Never  # type: ignore[return-value] # noqa: E501
+
+    return type_
+
+
+def make_union_type(*types: _AnnotationScanType) -> Type[Any]:
+    """Make a Union type."""
+    return Union.__getitem__(types)  # type: ignore
+
+
+def includes_none(type_: Any) -> bool:
+    """Returns if the type annotation ``type_`` allows ``None``.
+
+    This function supports:
+    * forward refs
+    * unions
+    * pep593 - Annotated
+    * pep695 - TypeAliasType (does not support looking into
+    fw reference of other pep695)
+    * NewType
+    * plain types like ``int``, ``None``, etc
+    """
+    if is_fwd_ref(type_):
+        return _de_optionalize_fwd_ref_union_types(type_, True)
+    if is_union(type_):
+        return any(includes_none(t) for t in get_args(type_))
+    if is_pep593(type_):
+        return includes_none(get_args(type_)[0])
+    if is_pep695(type_):
+        return any(includes_none(t) for t in pep695_values(type_))
+    if is_newtype(type_):
+        return includes_none(type_.__supertype__)
+    return type_ in (NoneFwd, NoneType, None)
+
+
+def is_union(type_: Any) -> TypeGuard[ArgsTypeProtocol]:
+    return is_origin_of(type_, "Union", "UnionType")
+
+
+def is_origin_of_cls(
+    type_: Any, class_obj: Union[Tuple[Type[Any], ...], Type[Any]]
+) -> bool:
+    """return True if the given type has an __origin__ that shares a base
+    with the given class"""
+
+    origin = get_origin(type_)
+    if origin is None:
+        return False
+
+    return isinstance(origin, type) and issubclass(origin, class_obj)
+
+
+def is_origin_of(
+    type_: Any, *names: str, module: Optional[str] = None
+) -> bool:
+    """return True if the given type has an __origin__ with the given name
+    and optional module."""
+
+    origin = get_origin(type_)
+    if origin is None:
+        return False
+
+    return _get_type_name(origin) in names and (
+        module is None or origin.__module__.startswith(module)
+    )
+
+
+def _get_type_name(type_: Type[Any]) -> str:
+    if compat.py310:
+        return type_.__name__
+    else:
+        typ_name = getattr(type_, "__name__", None)
+        if typ_name is None:
+            typ_name = getattr(type_, "_name", None)
+
+        return typ_name  # type: ignore
+
+
+class DescriptorProto(Protocol):
+    def __get__(self, instance: object, owner: Any) -> Any: ...
+
+    def __set__(self, instance: Any, value: Any) -> None: ...
+
+    def __delete__(self, instance: Any) -> None: ...
+
+
+_DESC = TypeVar("_DESC", bound=DescriptorProto)
+
+
+class DescriptorReference(Generic[_DESC]):
+    """a descriptor that refers to a descriptor.
+
+    used for cases where we need to have an instance variable referring to an
+    object that is itself a descriptor, which typically confuses typing tools
+    as they don't know when they should use ``__get__`` or not when referring
+    to the descriptor assignment as an instance variable. See
+    sqlalchemy.orm.interfaces.PropComparator.prop
+
+    """
+
+    if TYPE_CHECKING:
+
+        def __get__(self, instance: object, owner: Any) -> _DESC: ...
+
+        def __set__(self, instance: Any, value: _DESC) -> None: ...
+
+        def __delete__(self, instance: Any) -> None: ...
+
+
+_DESC_co = TypeVar("_DESC_co", bound=DescriptorProto, covariant=True)
+
+
+class RODescriptorReference(Generic[_DESC_co]):
+    """a descriptor that refers to a descriptor.
+
+    same as :class:`.DescriptorReference` but is read-only, so that subclasses
+    can define a subtype as the generically contained element
+
+    """
+
+    if TYPE_CHECKING:
+
+        def __get__(self, instance: object, owner: Any) -> _DESC_co: ...
+
+        def __set__(self, instance: Any, value: Any) -> NoReturn: ...
+
+        def __delete__(self, instance: Any) -> NoReturn: ...
+
+
+_FN = TypeVar("_FN", bound=Optional[Callable[..., Any]])
+
+
+class CallableReference(Generic[_FN]):
+    """a descriptor that refers to a callable.
+
+    works around mypy's limitation of not allowing callables assigned
+    as instance variables
+
+
+    """
+
+    if TYPE_CHECKING:
+
+        def __get__(self, instance: object, owner: Any) -> _FN: ...
+
+        def __set__(self, instance: Any, value: _FN) -> None: ...
+
+        def __delete__(self, instance: Any) -> None: ...