two version of R2R are here HEAD master

12 files changed, 817 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/__init__.py b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/__init__.py
new file mode 100644
index 00000000..cb8dc2c6
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/__init__.py
@@ -0,0 +1,6 @@
+# cyextension/__init__.py
+# Copyright (C) 2005-2025 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
diff --git a/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/collections.cpython-312-x86_64-linux-gnu.so b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/collections.cpython-312-x86_64-linux-gnu.so
new file mode 100755
index 00000000..cc88720e
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/collections.cpython-312-x86_64-linux-gnu.so
Binary files differdiff --git a/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/collections.pyx b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/collections.pyx
new file mode 100644
index 00000000..86d24852
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/collections.pyx
@@ -0,0 +1,409 @@
+# cyextension/collections.pyx
+# Copyright (C) 2005-2024 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
+cimport cython
+from cpython.long cimport PyLong_FromLongLong
+from cpython.set cimport PySet_Add
+
+from collections.abc import Collection
+from itertools import filterfalse
+
+cdef bint add_not_present(set seen, object item, hashfunc):
+    hash_value = hashfunc(item)
+    if hash_value not in seen:
+        PySet_Add(seen, hash_value)
+        return True
+    else:
+        return False
+
+cdef list cunique_list(seq, hashfunc=None):
+    cdef set seen = set()
+    if not hashfunc:
+        return [x for x in seq if x not in seen and not PySet_Add(seen, x)]
+    else:
+        return [x for x in seq if add_not_present(seen, x, hashfunc)]
+
+def unique_list(seq, hashfunc=None):
+    return cunique_list(seq, hashfunc)
+
+cdef class OrderedSet(set):
+
+    cdef list _list
+
+    @classmethod
+    def __class_getitem__(cls, key):
+        return cls
+
+    def __init__(self, d=None):
+        set.__init__(self)
+        if d is not None:
+            self._list = cunique_list(d)
+            set.update(self, self._list)
+        else:
+            self._list = []
+
+    cpdef OrderedSet copy(self):
+        cdef OrderedSet cp = OrderedSet.__new__(OrderedSet)
+        cp._list = list(self._list)
+        set.update(cp, cp._list)
+        return cp
+
+    @cython.final
+    cdef OrderedSet _from_list(self, list new_list):
+        cdef OrderedSet new = OrderedSet.__new__(OrderedSet)
+        new._list = new_list
+        set.update(new, new_list)
+        return new
+
+    def add(self, element):
+        if element not in self:
+            self._list.append(element)
+            PySet_Add(self, element)
+
+    def remove(self, element):
+        # set.remove will raise if element is not in self
+        set.remove(self, element)
+        self._list.remove(element)
+
+    def pop(self):
+        try:
+            value = self._list.pop()
+        except IndexError:
+            raise KeyError("pop from an empty set") from None
+        set.remove(self, value)
+        return value
+
+    def insert(self, Py_ssize_t pos, element):
+        if element not in self:
+            self._list.insert(pos, element)
+            PySet_Add(self, element)
+
+    def discard(self, element):
+        if element in self:
+            set.remove(self, element)
+            self._list.remove(element)
+
+    def clear(self):
+        set.clear(self)
+        self._list = []
+
+    def __getitem__(self, key):
+        return self._list[key]
+
+    def __iter__(self):
+        return iter(self._list)
+
+    def __add__(self, other):
+        return self.union(other)
+
+    def __repr__(self):
+        return "%s(%r)" % (self.__class__.__name__, self._list)
+
+    __str__ = __repr__
+
+    def update(self, *iterables):
+        for iterable in iterables:
+            for e in iterable:
+                if e not in self:
+                    self._list.append(e)
+                    set.add(self, e)
+
+    def __ior__(self, iterable):
+        self.update(iterable)
+        return self
+
+    def union(self, *other):
+        result = self.copy()
+        result.update(*other)
+        return result
+
+    def __or__(self, other):
+        return self.union(other)
+
+    def intersection(self, *other):
+        cdef set other_set = set.intersection(self, *other)
+        return self._from_list([a for a in self._list if a in other_set])
+
+    def __and__(self, other):
+        return self.intersection(other)
+
+    def symmetric_difference(self, other):
+        cdef set other_set
+        if isinstance(other, set):
+            other_set = <set> other
+            collection = other_set
+        elif isinstance(other, Collection):
+            collection = other
+            other_set = set(other)
+        else:
+            collection = list(other)
+            other_set = set(collection)
+        result = self._from_list([a for a in self._list if a not in other_set])
+        result.update(a for a in collection if a not in self)
+        return result
+
+    def __xor__(self, other):
+        return self.symmetric_difference(other)
+
+    def difference(self, *other):
+        cdef set other_set = set.difference(self, *other)
+        return self._from_list([a for a in self._list if a in other_set])
+
+    def __sub__(self, other):
+        return self.difference(other)
+
+    def intersection_update(self, *other):
+        set.intersection_update(self, *other)
+        self._list = [a for a in self._list if a in self]
+
+    def __iand__(self, other):
+        self.intersection_update(other)
+        return self
+
+    cpdef symmetric_difference_update(self, other):
+        collection = other if isinstance(other, Collection) else list(other)
+        set.symmetric_difference_update(self, collection)
+        self._list = [a for a in self._list if a in self]
+        self._list += [a for a in collection if a in self]
+
+    def __ixor__(self, other):
+        self.symmetric_difference_update(other)
+        return self
+
+    def difference_update(self, *other):
+        set.difference_update(self, *other)
+        self._list = [a for a in self._list if a in self]
+
+    def __isub__(self, other):
+        self.difference_update(other)
+        return self
+
+cdef object cy_id(object item):
+    return PyLong_FromLongLong(<long long> (<void *>item))
+
+# NOTE: cython 0.x will call __add__, __sub__, etc with the parameter swapped
+# instead of the __rmeth__, so they need to check that also self is of the
+# correct type. This is fixed in cython 3.x. See:
+# https://docs.cython.org/en/latest/src/userguide/special_methods.html#arithmetic-methods
+cdef class IdentitySet:
+    """A set that considers only object id() for uniqueness.
+
+    This strategy has edge cases for builtin types- it's possible to have
+    two 'foo' strings in one of these sets, for example.  Use sparingly.
+
+    """
+
+    cdef dict _members
+
+    def __init__(self, iterable=None):
+        self._members = {}
+        if iterable:
+            self.update(iterable)
+
+    def add(self, value):
+        self._members[cy_id(value)] = value
+
+    def __contains__(self, value):
+        return cy_id(value) in self._members
+
+    cpdef remove(self, value):
+        del self._members[cy_id(value)]
+
+    def discard(self, value):
+        try:
+            self.remove(value)
+        except KeyError:
+            pass
+
+    def pop(self):
+        cdef tuple pair
+        try:
+            pair = self._members.popitem()
+            return pair[1]
+        except KeyError:
+            raise KeyError("pop from an empty set")
+
+    def clear(self):
+        self._members.clear()
+
+    def __eq__(self, other):
+        cdef IdentitySet other_
+        if isinstance(other, IdentitySet):
+            other_ = other
+            return self._members == other_._members
+        else:
+            return False
+
+    def __ne__(self, other):
+        cdef IdentitySet other_
+        if isinstance(other, IdentitySet):
+            other_ = other
+            return self._members != other_._members
+        else:
+            return True
+
+    cpdef issubset(self, iterable):
+        cdef IdentitySet other
+        if isinstance(iterable, self.__class__):
+            other = iterable
+        else:
+            other = self.__class__(iterable)
+
+        if len(self) > len(other):
+            return False
+        for m in filterfalse(other._members.__contains__, self._members):
+            return False
+        return True
+
+    def __le__(self, other):
+        if not isinstance(other, IdentitySet):
+            return NotImplemented
+        return self.issubset(other)
+
+    def __lt__(self, other):
+        if not isinstance(other, IdentitySet):
+            return NotImplemented
+        return len(self) < len(other) and self.issubset(other)
+
+    cpdef issuperset(self, iterable):
+        cdef IdentitySet other
+        if isinstance(iterable, self.__class__):
+            other = iterable
+        else:
+            other = self.__class__(iterable)
+
+        if len(self) < len(other):
+            return False
+        for m in filterfalse(self._members.__contains__, other._members):
+            return False
+        return True
+
+    def __ge__(self, other):
+        if not isinstance(other, IdentitySet):
+            return NotImplemented
+        return self.issuperset(other)
+
+    def __gt__(self, other):
+        if not isinstance(other, IdentitySet):
+            return NotImplemented
+        return len(self) > len(other) and self.issuperset(other)
+
+    cpdef IdentitySet union(self, iterable):
+        cdef IdentitySet result = self.__class__()
+        result._members.update(self._members)
+        result.update(iterable)
+        return result
+
+    def __or__(self, other):
+        if not isinstance(other, IdentitySet) or not isinstance(self, IdentitySet):
+            return NotImplemented
+        return self.union(other)
+
+    cpdef update(self, iterable):
+        for obj in iterable:
+            self._members[cy_id(obj)] = obj
+
+    def __ior__(self, other):
+        if not isinstance(other, IdentitySet):
+            return NotImplemented
+        self.update(other)
+        return self
+
+    cpdef IdentitySet difference(self, iterable):
+        cdef IdentitySet result = self.__new__(self.__class__)
+        if isinstance(iterable, self.__class__):
+            other = (<IdentitySet>iterable)._members
+        else:
+            other = {cy_id(obj) for obj in iterable}
+        result._members = {k:v for k, v in self._members.items() if k not in other}
+        return result
+
+    def __sub__(self, other):
+        if not isinstance(other, IdentitySet) or not isinstance(self, IdentitySet):
+            return NotImplemented
+        return self.difference(other)
+
+    cpdef difference_update(self, iterable):
+        cdef IdentitySet other = self.difference(iterable)
+        self._members = other._members
+
+    def __isub__(self, other):
+        if not isinstance(other, IdentitySet):
+            return NotImplemented
+        self.difference_update(other)
+        return self
+
+    cpdef IdentitySet intersection(self, iterable):
+        cdef IdentitySet result = self.__new__(self.__class__)
+        if isinstance(iterable, self.__class__):
+            other = (<IdentitySet>iterable)._members
+        else:
+            other = {cy_id(obj) for obj in iterable}
+        result._members = {k: v for k, v in self._members.items() if k in other}
+        return result
+
+    def __and__(self, other):
+        if not isinstance(other, IdentitySet) or not isinstance(self, IdentitySet):
+            return NotImplemented
+        return self.intersection(other)
+
+    cpdef intersection_update(self, iterable):
+        cdef IdentitySet other = self.intersection(iterable)
+        self._members = other._members
+
+    def __iand__(self, other):
+        if not isinstance(other, IdentitySet):
+            return NotImplemented
+        self.intersection_update(other)
+        return self
+
+    cpdef IdentitySet symmetric_difference(self, iterable):
+        cdef IdentitySet result = self.__new__(self.__class__)
+        cdef dict other
+        if isinstance(iterable, self.__class__):
+            other = (<IdentitySet>iterable)._members
+        else:
+            other = {cy_id(obj): obj for obj in iterable}
+        result._members = {k: v for k, v in self._members.items() if k not in other}
+        result._members.update(
+            [(k, v) for k, v in other.items() if k not in self._members]
+        )
+        return result
+
+    def __xor__(self, other):
+        if not isinstance(other, IdentitySet) or not isinstance(self, IdentitySet):
+            return NotImplemented
+        return self.symmetric_difference(other)
+
+    cpdef symmetric_difference_update(self, iterable):
+        cdef IdentitySet other = self.symmetric_difference(iterable)
+        self._members = other._members
+
+    def __ixor__(self, other):
+        if not isinstance(other, IdentitySet):
+            return NotImplemented
+        self.symmetric_difference(other)
+        return self
+
+    cpdef IdentitySet copy(self):
+        cdef IdentitySet cp = self.__new__(self.__class__)
+        cp._members = self._members.copy()
+        return cp
+
+    def __copy__(self):
+        return self.copy()
+
+    def __len__(self):
+        return len(self._members)
+
+    def __iter__(self):
+        return iter(self._members.values())
+
+    def __hash__(self):
+        raise TypeError("set objects are unhashable")
+
+    def __repr__(self):
+        return "%s(%r)" % (type(self).__name__, list(self._members.values()))
diff --git a/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/immutabledict.cpython-312-x86_64-linux-gnu.so b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/immutabledict.cpython-312-x86_64-linux-gnu.so
new file mode 100755
index 00000000..2d0fc739
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/immutabledict.cpython-312-x86_64-linux-gnu.so
Binary files differdiff --git a/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/immutabledict.pxd b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/immutabledict.pxd
new file mode 100644
index 00000000..76f22893
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/immutabledict.pxd
@@ -0,0 +1,8 @@
+# cyextension/immutabledict.pxd
+# Copyright (C) 2005-2024 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
+cdef class immutabledict(dict):
+    pass
diff --git a/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/immutabledict.pyx b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/immutabledict.pyx
new file mode 100644
index 00000000..b37eccc4
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/immutabledict.pyx
@@ -0,0 +1,133 @@
+# cyextension/immutabledict.pyx
+# Copyright (C) 2005-2024 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
+from cpython.dict cimport PyDict_New, PyDict_Update, PyDict_Size
+
+
+def _readonly_fn(obj):
+    raise TypeError(
+        "%s object is immutable and/or readonly" % obj.__class__.__name__)
+
+
+def _immutable_fn(obj):
+    raise TypeError(
+        "%s object is immutable" % obj.__class__.__name__)
+
+
+class ReadOnlyContainer:
+
+    __slots__ = ()
+
+    def _readonly(self, *a,**kw):
+        _readonly_fn(self)
+
+    __delitem__ = __setitem__ = __setattr__ = _readonly
+
+
+class ImmutableDictBase(dict):
+    def _immutable(self, *a,**kw):
+        _immutable_fn(self)
+
+    @classmethod
+    def __class_getitem__(cls, key):
+        return cls
+
+    __delitem__ = __setitem__ = __setattr__ = _immutable
+    clear = pop = popitem = setdefault = update = _immutable
+
+
+cdef class immutabledict(dict):
+    def __repr__(self):
+        return f"immutabledict({dict.__repr__(self)})"
+
+    @classmethod
+    def __class_getitem__(cls, key):
+        return cls
+
+    def union(self, *args, **kw):
+        cdef dict to_merge = None
+        cdef immutabledict result
+        cdef Py_ssize_t args_len = len(args)
+        if args_len > 1:
+            raise TypeError(
+                f'union expected at most 1 argument, got {args_len}'
+            )
+        if args_len == 1:
+            attribute = args[0]
+            if isinstance(attribute, dict):
+                to_merge = <dict> attribute
+        if to_merge is None:
+            to_merge = dict(*args, **kw)
+
+        if PyDict_Size(to_merge) == 0:
+            return self
+
+        # new + update is faster than immutabledict(self)
+        result = immutabledict()
+        PyDict_Update(result, self)
+        PyDict_Update(result, to_merge)
+        return result
+
+    def merge_with(self, *other):
+        cdef immutabledict result = None
+        cdef object d
+        cdef bint update = False
+        if not other:
+            return self
+        for d in other:
+            if d:
+                if update == False:
+                    update = True
+                    # new + update is faster than immutabledict(self)
+                    result = immutabledict()
+                    PyDict_Update(result, self)
+                PyDict_Update(
+                    result, <dict>(d if isinstance(d, dict) else dict(d))
+                )
+
+        return self if update == False else result
+
+    def copy(self):
+        return self
+
+    def __reduce__(self):
+        return immutabledict, (dict(self), )
+
+    def __delitem__(self, k):
+        _immutable_fn(self)
+
+    def __setitem__(self, k, v):
+        _immutable_fn(self)
+
+    def __setattr__(self, k, v):
+        _immutable_fn(self)
+
+    def clear(self, *args, **kw):
+        _immutable_fn(self)
+
+    def pop(self, *args, **kw):
+        _immutable_fn(self)
+
+    def popitem(self, *args, **kw):
+        _immutable_fn(self)
+
+    def setdefault(self, *args, **kw):
+        _immutable_fn(self)
+
+    def update(self, *args, **kw):
+        _immutable_fn(self)
+
+    # PEP 584
+    def __ior__(self, other):
+        _immutable_fn(self)
+
+    def __or__(self, other):
+        return immutabledict(dict.__or__(self, other))
+
+    def __ror__(self, other):
+        # NOTE: this is used only in cython 3.x;
+        # version 0.x will call __or__ with args inversed
+        return immutabledict(dict.__ror__(self, other))
diff --git a/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/processors.cpython-312-x86_64-linux-gnu.so b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/processors.cpython-312-x86_64-linux-gnu.so
new file mode 100755
index 00000000..dfbec3ad
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/processors.cpython-312-x86_64-linux-gnu.so
Binary files differdiff --git a/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/processors.pyx b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/processors.pyx
new file mode 100644
index 00000000..3d714569
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/processors.pyx
@@ -0,0 +1,68 @@
+# cyextension/processors.pyx
+# Copyright (C) 2005-2024 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
+import datetime
+from datetime import datetime as datetime_cls
+from datetime import time as time_cls
+from datetime import date as date_cls
+import re
+
+from cpython.object cimport PyObject_Str
+from cpython.unicode cimport PyUnicode_AsASCIIString, PyUnicode_Check, PyUnicode_Decode
+from libc.stdio cimport sscanf
+
+
+def int_to_boolean(value):
+    if value is None:
+        return None
+    return True if value else False
+
+def to_str(value):
+    return PyObject_Str(value) if value is not None else None
+
+def to_float(value):
+    return float(value) if value is not None else None
+
+cdef inline bytes to_bytes(object value, str type_name):
+    try:
+        return PyUnicode_AsASCIIString(value)
+    except Exception as e:
+        raise ValueError(
+            f"Couldn't parse {type_name} string '{value!r}' "
+            "- value is not a string."
+        ) from e
+
+def str_to_datetime(value):
+    if value is not None:
+        value = datetime_cls.fromisoformat(value)
+    return value
+
+def str_to_time(value):
+    if value is not None:
+        value = time_cls.fromisoformat(value)
+    return value
+
+
+def str_to_date(value):
+    if value is not None:
+        value = date_cls.fromisoformat(value)
+    return value
+
+
+
+cdef class DecimalResultProcessor:
+    cdef object type_
+    cdef str format_
+
+    def __cinit__(self, type_, format_):
+        self.type_ = type_
+        self.format_ = format_
+
+    def process(self, object value):
+        if value is None:
+            return None
+        else:
+            return self.type_(self.format_ % value)
diff --git a/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/resultproxy.cpython-312-x86_64-linux-gnu.so b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/resultproxy.cpython-312-x86_64-linux-gnu.so
new file mode 100755
index 00000000..fe671664
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/resultproxy.cpython-312-x86_64-linux-gnu.so
Binary files differdiff --git a/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/resultproxy.pyx b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/resultproxy.pyx
new file mode 100644
index 00000000..b6e357a1
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/resultproxy.pyx
@@ -0,0 +1,102 @@
+# cyextension/resultproxy.pyx
+# Copyright (C) 2005-2024 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
+import operator
+
+cdef class BaseRow:
+    cdef readonly object _parent
+    cdef readonly dict _key_to_index
+    cdef readonly tuple _data
+
+    def __init__(self, object parent, object processors, dict key_to_index, object data):
+        """Row objects are constructed by CursorResult objects."""
+
+        self._parent = parent
+
+        self._key_to_index = key_to_index
+
+        if processors:
+            self._data = _apply_processors(processors, data)
+        else:
+            self._data = tuple(data)
+
+    def __reduce__(self):
+        return (
+            rowproxy_reconstructor,
+            (self.__class__, self.__getstate__()),
+        )
+
+    def __getstate__(self):
+        return {"_parent": self._parent, "_data": self._data}
+
+    def __setstate__(self, dict state):
+        parent = state["_parent"]
+        self._parent = parent
+        self._data = state["_data"]
+        self._key_to_index = parent._key_to_index
+
+    def _values_impl(self):
+        return list(self)
+
+    def __iter__(self):
+        return iter(self._data)
+
+    def __len__(self):
+        return len(self._data)
+
+    def __hash__(self):
+        return hash(self._data)
+
+    def __getitem__(self, index):
+        return self._data[index]
+
+    def _get_by_key_impl_mapping(self, key):
+        return self._get_by_key_impl(key, 0)
+
+    cdef _get_by_key_impl(self, object key, int attr_err):
+        index = self._key_to_index.get(key)
+        if index is not None:
+            return self._data[<int>index]
+        self._parent._key_not_found(key, attr_err != 0)
+
+    def __getattr__(self, name):
+        return self._get_by_key_impl(name, 1)
+
+    def _to_tuple_instance(self):
+        return self._data
+
+
+cdef tuple _apply_processors(proc, data):
+    res = []
+    for i in range(len(proc)):
+        p = proc[i]
+        if p is None:
+            res.append(data[i])
+        else:
+            res.append(p(data[i]))
+    return tuple(res)
+
+
+def rowproxy_reconstructor(cls, state):
+    obj = cls.__new__(cls)
+    obj.__setstate__(state)
+    return obj
+
+
+cdef int is_contiguous(tuple indexes):
+    cdef int i
+    for i in range(1, len(indexes)):
+        if indexes[i-1] != indexes[i] -1:
+            return 0
+    return 1
+
+
+def tuplegetter(*indexes):
+    if len(indexes) == 1 or is_contiguous(indexes) != 0:
+        # slice form is faster but returns a list if input is list
+        return operator.itemgetter(slice(indexes[0], indexes[-1] + 1))
+    else:
+        return operator.itemgetter(*indexes)
diff --git a/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/util.cpython-312-x86_64-linux-gnu.so b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/util.cpython-312-x86_64-linux-gnu.so
new file mode 100755
index 00000000..50090a2d
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/util.cpython-312-x86_64-linux-gnu.so
Binary files differdiff --git a/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/util.pyx b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/util.pyx
new file mode 100644
index 00000000..cb17acd6
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/sqlalchemy/cyextension/util.pyx
@@ -0,0 +1,91 @@
+# cyextension/util.pyx
+# Copyright (C) 2005-2024 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
+from collections.abc import Mapping
+
+from sqlalchemy import exc
+
+cdef tuple _Empty_Tuple = ()
+
+cdef inline bint _mapping_or_tuple(object value):
+    return isinstance(value, dict) or isinstance(value, tuple) or isinstance(value, Mapping)
+
+cdef inline bint _check_item(object params) except 0:
+    cdef object item
+    cdef bint ret = 1
+    if params:
+        item = params[0]
+        if not _mapping_or_tuple(item):
+            ret = 0
+            raise exc.ArgumentError(
+                "List argument must consist only of tuples or dictionaries"
+            )
+    return ret
+
+def _distill_params_20(object params):
+    if params is None:
+        return _Empty_Tuple
+    elif isinstance(params, list) or isinstance(params, tuple):
+        _check_item(params)
+        return params
+    elif isinstance(params, dict) or isinstance(params, Mapping):
+        return [params]
+    else:
+        raise exc.ArgumentError("mapping or list expected for parameters")
+
+
+def _distill_raw_params(object params):
+    if params is None:
+        return _Empty_Tuple
+    elif isinstance(params, list):
+        _check_item(params)
+        return params
+    elif _mapping_or_tuple(params):
+        return [params]
+    else:
+        raise exc.ArgumentError("mapping or sequence expected for parameters")
+
+cdef class prefix_anon_map(dict):
+    def __missing__(self, str key):
+        cdef str derived
+        cdef int anonymous_counter
+        cdef dict self_dict = self
+
+        derived = key.split(" ", 1)[1]
+
+        anonymous_counter = self_dict.get(derived, 1)
+        self_dict[derived] = anonymous_counter + 1
+        value = f"{derived}_{anonymous_counter}"
+        self_dict[key] = value
+        return value
+
+
+cdef class cache_anon_map(dict):
+    cdef int _index
+
+    def __init__(self):
+        self._index = 0
+
+    def get_anon(self, obj):
+        cdef long long idself
+        cdef str id_
+        cdef dict self_dict = self
+
+        idself = id(obj)
+        if idself in self_dict:
+            return self_dict[idself], True
+        else:
+            id_ = self.__missing__(idself)
+            return id_, False
+
+    def __missing__(self, key):
+        cdef str val
+        cdef dict self_dict = self
+
+        self_dict[key] = val = str(self._index)
+        self._index += 1
+        return val
+