two version of R2R are here HEAD master

1 files changed, 552 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/sqlalchemy/sql/default_comparator.py b/.venv/lib/python3.12/site-packages/sqlalchemy/sql/default_comparator.py
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+# sql/default_comparator.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
+
+"""Default implementation of SQL comparison operations.
+"""
+
+from __future__ import annotations
+
+import typing
+from typing import Any
+from typing import Callable
+from typing import Dict
+from typing import NoReturn
+from typing import Optional
+from typing import Tuple
+from typing import Type
+from typing import Union
+
+from . import coercions
+from . import operators
+from . import roles
+from . import type_api
+from .elements import and_
+from .elements import BinaryExpression
+from .elements import ClauseElement
+from .elements import CollationClause
+from .elements import CollectionAggregate
+from .elements import ExpressionClauseList
+from .elements import False_
+from .elements import Null
+from .elements import OperatorExpression
+from .elements import or_
+from .elements import True_
+from .elements import UnaryExpression
+from .operators import OperatorType
+from .. import exc
+from .. import util
+
+_T = typing.TypeVar("_T", bound=Any)
+
+if typing.TYPE_CHECKING:
+    from .elements import ColumnElement
+    from .operators import custom_op
+    from .type_api import TypeEngine
+
+
+def _boolean_compare(
+    expr: ColumnElement[Any],
+    op: OperatorType,
+    obj: Any,
+    *,
+    negate_op: Optional[OperatorType] = None,
+    reverse: bool = False,
+    _python_is_types: Tuple[Type[Any], ...] = (type(None), bool),
+    result_type: Optional[TypeEngine[bool]] = None,
+    **kwargs: Any,
+) -> OperatorExpression[bool]:
+    if result_type is None:
+        result_type = type_api.BOOLEANTYPE
+
+    if isinstance(obj, _python_is_types + (Null, True_, False_)):
+        # allow x ==/!= True/False to be treated as a literal.
+        # this comes out to "== / != true/false" or "1/0" if those
+        # constants aren't supported and works on all platforms
+        if op in (operators.eq, operators.ne) and isinstance(
+            obj, (bool, True_, False_)
+        ):
+            return OperatorExpression._construct_for_op(
+                expr,
+                coercions.expect(roles.ConstExprRole, obj),
+                op,
+                type_=result_type,
+                negate=negate_op,
+                modifiers=kwargs,
+            )
+        elif op in (
+            operators.is_distinct_from,
+            operators.is_not_distinct_from,
+        ):
+            return OperatorExpression._construct_for_op(
+                expr,
+                coercions.expect(roles.ConstExprRole, obj),
+                op,
+                type_=result_type,
+                negate=negate_op,
+                modifiers=kwargs,
+            )
+        elif expr._is_collection_aggregate:
+            obj = coercions.expect(
+                roles.ConstExprRole, element=obj, operator=op, expr=expr
+            )
+        else:
+            # all other None uses IS, IS NOT
+            if op in (operators.eq, operators.is_):
+                return OperatorExpression._construct_for_op(
+                    expr,
+                    coercions.expect(roles.ConstExprRole, obj),
+                    operators.is_,
+                    negate=operators.is_not,
+                    type_=result_type,
+                )
+            elif op in (operators.ne, operators.is_not):
+                return OperatorExpression._construct_for_op(
+                    expr,
+                    coercions.expect(roles.ConstExprRole, obj),
+                    operators.is_not,
+                    negate=operators.is_,
+                    type_=result_type,
+                )
+            else:
+                raise exc.ArgumentError(
+                    "Only '=', '!=', 'is_()', 'is_not()', "
+                    "'is_distinct_from()', 'is_not_distinct_from()' "
+                    "operators can be used with None/True/False"
+                )
+    else:
+        obj = coercions.expect(
+            roles.BinaryElementRole, element=obj, operator=op, expr=expr
+        )
+
+    if reverse:
+        return OperatorExpression._construct_for_op(
+            obj,
+            expr,
+            op,
+            type_=result_type,
+            negate=negate_op,
+            modifiers=kwargs,
+        )
+    else:
+        return OperatorExpression._construct_for_op(
+            expr,
+            obj,
+            op,
+            type_=result_type,
+            negate=negate_op,
+            modifiers=kwargs,
+        )
+
+
+def _custom_op_operate(
+    expr: ColumnElement[Any],
+    op: custom_op[Any],
+    obj: Any,
+    reverse: bool = False,
+    result_type: Optional[TypeEngine[Any]] = None,
+    **kw: Any,
+) -> ColumnElement[Any]:
+    if result_type is None:
+        if op.return_type:
+            result_type = op.return_type
+        elif op.is_comparison:
+            result_type = type_api.BOOLEANTYPE
+
+    return _binary_operate(
+        expr, op, obj, reverse=reverse, result_type=result_type, **kw
+    )
+
+
+def _binary_operate(
+    expr: ColumnElement[Any],
+    op: OperatorType,
+    obj: roles.BinaryElementRole[Any],
+    *,
+    reverse: bool = False,
+    result_type: Optional[TypeEngine[_T]] = None,
+    **kw: Any,
+) -> OperatorExpression[_T]:
+    coerced_obj = coercions.expect(
+        roles.BinaryElementRole, obj, expr=expr, operator=op
+    )
+
+    if reverse:
+        left, right = coerced_obj, expr
+    else:
+        left, right = expr, coerced_obj
+
+    if result_type is None:
+        op, result_type = left.comparator._adapt_expression(
+            op, right.comparator
+        )
+
+    return OperatorExpression._construct_for_op(
+        left, right, op, type_=result_type, modifiers=kw
+    )
+
+
+def _conjunction_operate(
+    expr: ColumnElement[Any], op: OperatorType, other: Any, **kw: Any
+) -> ColumnElement[Any]:
+    if op is operators.and_:
+        return and_(expr, other)
+    elif op is operators.or_:
+        return or_(expr, other)
+    else:
+        raise NotImplementedError()
+
+
+def _scalar(
+    expr: ColumnElement[Any],
+    op: OperatorType,
+    fn: Callable[[ColumnElement[Any]], ColumnElement[Any]],
+    **kw: Any,
+) -> ColumnElement[Any]:
+    return fn(expr)
+
+
+def _in_impl(
+    expr: ColumnElement[Any],
+    op: OperatorType,
+    seq_or_selectable: ClauseElement,
+    negate_op: OperatorType,
+    **kw: Any,
+) -> ColumnElement[Any]:
+    seq_or_selectable = coercions.expect(
+        roles.InElementRole, seq_or_selectable, expr=expr, operator=op
+    )
+    if "in_ops" in seq_or_selectable._annotations:
+        op, negate_op = seq_or_selectable._annotations["in_ops"]
+
+    return _boolean_compare(
+        expr, op, seq_or_selectable, negate_op=negate_op, **kw
+    )
+
+
+def _getitem_impl(
+    expr: ColumnElement[Any], op: OperatorType, other: Any, **kw: Any
+) -> ColumnElement[Any]:
+    if (
+        isinstance(expr.type, type_api.INDEXABLE)
+        or isinstance(expr.type, type_api.TypeDecorator)
+        and isinstance(expr.type.impl_instance, type_api.INDEXABLE)
+    ):
+        other = coercions.expect(
+            roles.BinaryElementRole, other, expr=expr, operator=op
+        )
+        return _binary_operate(expr, op, other, **kw)
+    else:
+        _unsupported_impl(expr, op, other, **kw)
+
+
+def _unsupported_impl(
+    expr: ColumnElement[Any], op: OperatorType, *arg: Any, **kw: Any
+) -> NoReturn:
+    raise NotImplementedError(
+        "Operator '%s' is not supported on this expression" % op.__name__
+    )
+
+
+def _inv_impl(
+    expr: ColumnElement[Any], op: OperatorType, **kw: Any
+) -> ColumnElement[Any]:
+    """See :meth:`.ColumnOperators.__inv__`."""
+
+    # undocumented element currently used by the ORM for
+    # relationship.contains()
+    if hasattr(expr, "negation_clause"):
+        return expr.negation_clause
+    else:
+        return expr._negate()
+
+
+def _neg_impl(
+    expr: ColumnElement[Any], op: OperatorType, **kw: Any
+) -> ColumnElement[Any]:
+    """See :meth:`.ColumnOperators.__neg__`."""
+    return UnaryExpression(expr, operator=operators.neg, type_=expr.type)
+
+
+def _bitwise_not_impl(
+    expr: ColumnElement[Any], op: OperatorType, **kw: Any
+) -> ColumnElement[Any]:
+    """See :meth:`.ColumnOperators.bitwise_not`."""
+
+    return UnaryExpression(
+        expr, operator=operators.bitwise_not_op, type_=expr.type
+    )
+
+
+def _match_impl(
+    expr: ColumnElement[Any], op: OperatorType, other: Any, **kw: Any
+) -> ColumnElement[Any]:
+    """See :meth:`.ColumnOperators.match`."""
+
+    return _boolean_compare(
+        expr,
+        operators.match_op,
+        coercions.expect(
+            roles.BinaryElementRole,
+            other,
+            expr=expr,
+            operator=operators.match_op,
+        ),
+        result_type=type_api.MATCHTYPE,
+        negate_op=(
+            operators.not_match_op
+            if op is operators.match_op
+            else operators.match_op
+        ),
+        **kw,
+    )
+
+
+def _distinct_impl(
+    expr: ColumnElement[Any], op: OperatorType, **kw: Any
+) -> ColumnElement[Any]:
+    """See :meth:`.ColumnOperators.distinct`."""
+    return UnaryExpression(
+        expr, operator=operators.distinct_op, type_=expr.type
+    )
+
+
+def _between_impl(
+    expr: ColumnElement[Any],
+    op: OperatorType,
+    cleft: Any,
+    cright: Any,
+    **kw: Any,
+) -> ColumnElement[Any]:
+    """See :meth:`.ColumnOperators.between`."""
+    return BinaryExpression(
+        expr,
+        ExpressionClauseList._construct_for_list(
+            operators.and_,
+            type_api.NULLTYPE,
+            coercions.expect(
+                roles.BinaryElementRole,
+                cleft,
+                expr=expr,
+                operator=operators.and_,
+            ),
+            coercions.expect(
+                roles.BinaryElementRole,
+                cright,
+                expr=expr,
+                operator=operators.and_,
+            ),
+            group=False,
+        ),
+        op,
+        negate=(
+            operators.not_between_op
+            if op is operators.between_op
+            else operators.between_op
+        ),
+        modifiers=kw,
+    )
+
+
+def _collate_impl(
+    expr: ColumnElement[str], op: OperatorType, collation: str, **kw: Any
+) -> ColumnElement[str]:
+    return CollationClause._create_collation_expression(expr, collation)
+
+
+def _regexp_match_impl(
+    expr: ColumnElement[str],
+    op: OperatorType,
+    pattern: Any,
+    flags: Optional[str],
+    **kw: Any,
+) -> ColumnElement[Any]:
+    return BinaryExpression(
+        expr,
+        coercions.expect(
+            roles.BinaryElementRole,
+            pattern,
+            expr=expr,
+            operator=operators.comma_op,
+        ),
+        op,
+        negate=operators.not_regexp_match_op,
+        modifiers={"flags": flags},
+    )
+
+
+def _regexp_replace_impl(
+    expr: ColumnElement[Any],
+    op: OperatorType,
+    pattern: Any,
+    replacement: Any,
+    flags: Optional[str],
+    **kw: Any,
+) -> ColumnElement[Any]:
+    return BinaryExpression(
+        expr,
+        ExpressionClauseList._construct_for_list(
+            operators.comma_op,
+            type_api.NULLTYPE,
+            coercions.expect(
+                roles.BinaryElementRole,
+                pattern,
+                expr=expr,
+                operator=operators.comma_op,
+            ),
+            coercions.expect(
+                roles.BinaryElementRole,
+                replacement,
+                expr=expr,
+                operator=operators.comma_op,
+            ),
+            group=False,
+        ),
+        op,
+        modifiers={"flags": flags},
+    )
+
+
+# a mapping of operators with the method they use, along with
+# additional keyword arguments to be passed
+operator_lookup: Dict[
+    str,
+    Tuple[
+        Callable[..., ColumnElement[Any]],
+        util.immutabledict[
+            str, Union[OperatorType, Callable[..., ColumnElement[Any]]]
+        ],
+    ],
+] = {
+    "and_": (_conjunction_operate, util.EMPTY_DICT),
+    "or_": (_conjunction_operate, util.EMPTY_DICT),
+    "inv": (_inv_impl, util.EMPTY_DICT),
+    "add": (_binary_operate, util.EMPTY_DICT),
+    "mul": (_binary_operate, util.EMPTY_DICT),
+    "sub": (_binary_operate, util.EMPTY_DICT),
+    "div": (_binary_operate, util.EMPTY_DICT),
+    "mod": (_binary_operate, util.EMPTY_DICT),
+    "bitwise_xor_op": (_binary_operate, util.EMPTY_DICT),
+    "bitwise_or_op": (_binary_operate, util.EMPTY_DICT),
+    "bitwise_and_op": (_binary_operate, util.EMPTY_DICT),
+    "bitwise_not_op": (_bitwise_not_impl, util.EMPTY_DICT),
+    "bitwise_lshift_op": (_binary_operate, util.EMPTY_DICT),
+    "bitwise_rshift_op": (_binary_operate, util.EMPTY_DICT),
+    "truediv": (_binary_operate, util.EMPTY_DICT),
+    "floordiv": (_binary_operate, util.EMPTY_DICT),
+    "custom_op": (_custom_op_operate, util.EMPTY_DICT),
+    "json_path_getitem_op": (_binary_operate, util.EMPTY_DICT),
+    "json_getitem_op": (_binary_operate, util.EMPTY_DICT),
+    "concat_op": (_binary_operate, util.EMPTY_DICT),
+    "any_op": (
+        _scalar,
+        util.immutabledict({"fn": CollectionAggregate._create_any}),
+    ),
+    "all_op": (
+        _scalar,
+        util.immutabledict({"fn": CollectionAggregate._create_all}),
+    ),
+    "lt": (_boolean_compare, util.immutabledict({"negate_op": operators.ge})),
+    "le": (_boolean_compare, util.immutabledict({"negate_op": operators.gt})),
+    "ne": (_boolean_compare, util.immutabledict({"negate_op": operators.eq})),
+    "gt": (_boolean_compare, util.immutabledict({"negate_op": operators.le})),
+    "ge": (_boolean_compare, util.immutabledict({"negate_op": operators.lt})),
+    "eq": (_boolean_compare, util.immutabledict({"negate_op": operators.ne})),
+    "is_distinct_from": (
+        _boolean_compare,
+        util.immutabledict({"negate_op": operators.is_not_distinct_from}),
+    ),
+    "is_not_distinct_from": (
+        _boolean_compare,
+        util.immutabledict({"negate_op": operators.is_distinct_from}),
+    ),
+    "like_op": (
+        _boolean_compare,
+        util.immutabledict({"negate_op": operators.not_like_op}),
+    ),
+    "ilike_op": (
+        _boolean_compare,
+        util.immutabledict({"negate_op": operators.not_ilike_op}),
+    ),
+    "not_like_op": (
+        _boolean_compare,
+        util.immutabledict({"negate_op": operators.like_op}),
+    ),
+    "not_ilike_op": (
+        _boolean_compare,
+        util.immutabledict({"negate_op": operators.ilike_op}),
+    ),
+    "contains_op": (
+        _boolean_compare,
+        util.immutabledict({"negate_op": operators.not_contains_op}),
+    ),
+    "icontains_op": (
+        _boolean_compare,
+        util.immutabledict({"negate_op": operators.not_icontains_op}),
+    ),
+    "startswith_op": (
+        _boolean_compare,
+        util.immutabledict({"negate_op": operators.not_startswith_op}),
+    ),
+    "istartswith_op": (
+        _boolean_compare,
+        util.immutabledict({"negate_op": operators.not_istartswith_op}),
+    ),
+    "endswith_op": (
+        _boolean_compare,
+        util.immutabledict({"negate_op": operators.not_endswith_op}),
+    ),
+    "iendswith_op": (
+        _boolean_compare,
+        util.immutabledict({"negate_op": operators.not_iendswith_op}),
+    ),
+    "desc_op": (
+        _scalar,
+        util.immutabledict({"fn": UnaryExpression._create_desc}),
+    ),
+    "asc_op": (
+        _scalar,
+        util.immutabledict({"fn": UnaryExpression._create_asc}),
+    ),
+    "nulls_first_op": (
+        _scalar,
+        util.immutabledict({"fn": UnaryExpression._create_nulls_first}),
+    ),
+    "nulls_last_op": (
+        _scalar,
+        util.immutabledict({"fn": UnaryExpression._create_nulls_last}),
+    ),
+    "in_op": (
+        _in_impl,
+        util.immutabledict({"negate_op": operators.not_in_op}),
+    ),
+    "not_in_op": (
+        _in_impl,
+        util.immutabledict({"negate_op": operators.in_op}),
+    ),
+    "is_": (
+        _boolean_compare,
+        util.immutabledict({"negate_op": operators.is_}),
+    ),
+    "is_not": (
+        _boolean_compare,
+        util.immutabledict({"negate_op": operators.is_not}),
+    ),
+    "collate": (_collate_impl, util.EMPTY_DICT),
+    "match_op": (_match_impl, util.EMPTY_DICT),
+    "not_match_op": (_match_impl, util.EMPTY_DICT),
+    "distinct_op": (_distinct_impl, util.EMPTY_DICT),
+    "between_op": (_between_impl, util.EMPTY_DICT),
+    "not_between_op": (_between_impl, util.EMPTY_DICT),
+    "neg": (_neg_impl, util.EMPTY_DICT),
+    "getitem": (_getitem_impl, util.EMPTY_DICT),
+    "lshift": (_unsupported_impl, util.EMPTY_DICT),
+    "rshift": (_unsupported_impl, util.EMPTY_DICT),
+    "contains": (_unsupported_impl, util.EMPTY_DICT),
+    "regexp_match_op": (_regexp_match_impl, util.EMPTY_DICT),
+    "not_regexp_match_op": (_regexp_match_impl, util.EMPTY_DICT),
+    "regexp_replace_op": (_regexp_replace_impl, util.EMPTY_DICT),
+}