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//opt/hc_python/lib64/python3.12/site-packages/sqlalchemy/engine/_py_row.py

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# engine/_py_row.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
from __future__ import annotations

import operator
import typing
from typing import Any
from typing import Callable
from typing import Dict
from typing import Iterator
from typing import List
from typing import Mapping
from typing import Optional
from typing import Tuple
from typing import Type

if typing.TYPE_CHECKING:
    from .result import _KeyType
    from .result import _ProcessorsType
    from .result import _RawRowType
    from .result import _TupleGetterType
    from .result import ResultMetaData

MD_INDEX = 0  # integer index in cursor.description

class BaseRow:
    __slots__ = ("_parent", "_data", "_key_to_index")

_parent: ResultMetaData
    _key_to_index: Mapping[_KeyType, int]
    _data: _RawRowType

def __init__(
        self,
        parent: ResultMetaData,
        processors: Optional[_ProcessorsType],
        key_to_index: Mapping[_KeyType, int],
        data: _RawRowType,
    ):
        """Row objects are constructed by CursorResult objects."""
        object.__setattr__(self, "_parent", parent)

object.__setattr__(self, "_key_to_index", key_to_index)

if processors:
            object.__setattr__(
                self,
                "_data",
                tuple(
                    [
                        proc(value) if proc else value
                        for proc, value in zip(processors, data)
                    ]
                ),
            )
        else:
            object.__setattr__(self, "_data", tuple(data))

def __reduce__(self) -> Tuple[Callable[..., BaseRow], Tuple[Any, ...]]:
        return (
            rowproxy_reconstructor,
            (self.__class__, self.__getstate__()),
        )

def __getstate__(self) -> Dict[str, Any]:
        return {"_parent": self._parent, "_data": self._data}

def __setstate__(self, state: Dict[str, Any]) -> None:
        parent = state["_parent"]
        object.__setattr__(self, "_parent", parent)
        object.__setattr__(self, "_data", state["_data"])
        object.__setattr__(self, "_key_to_index", parent._key_to_index)

def _values_impl(self) -> List[Any]:
        return list(self)

def __iter__(self) -> Iterator[Any]:
        return iter(self._data)

def __len__(self) -> int:
        return len(self._data)

def __hash__(self) -> int:
        return hash(self._data)

def __getitem__(self, key: Any) -> Any:
        return self._data[key]

def _get_by_key_impl_mapping(self, key: str) -> Any:
        try:
            return self._data[self._key_to_index[key]]
        except KeyError:
            pass
        self._parent._key_not_found(key, False)

def __getattr__(self, name: str) -> Any:
        try:
            return self._data[self._key_to_index[name]]
        except KeyError:
            pass
        self._parent._key_not_found(name, True)

def _to_tuple_instance(self) -> Tuple[Any, ...]:
        return self._data

# This reconstructor is necessary so that pickles with the Cy extension or
# without use the same Binary format.
def rowproxy_reconstructor(
    cls: Type[BaseRow], state: Dict[str, Any]
) -> BaseRow:
    obj = cls.__new__(cls)
    obj.__setstate__(state)
    return obj

def tuplegetter(*indexes: int) -> _TupleGetterType:
    if len(indexes) != 1:
        for i in range(1, len(indexes)):
            if indexes[i - 1] != indexes[i] - 1:
                return operator.itemgetter(*indexes)
    # slice form is faster but returns a list if input is list
    return operator.itemgetter(slice(indexes[0], indexes[-1] + 1))

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Name	Size	Perms	Modified	Actions
__pycache__ DIR	-	drwxr-xr-x	2025-04-04 08:02:02	Edit Download recursive recursive
base.py	120.02 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
characteristics.py	4.65 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
create.py	32.44 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
cursor.py	74.52 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
default.py	82.72 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
events.py	36.52 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
interfaces.py	110.38 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
mock.py	4.08 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
processors.py	2.32 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
reflection.py	73.62 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
result.py	75.82 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
row.py	11.75 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
strategies.py	442 B	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
url.py	30.34 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
util.py	5.55 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
_py_processors.py	3.66 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
_py_row.py	3.70 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
_py_util.py	2.43 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive
__init__.py	2.75 KB	lrw-r--r--	2025-04-04 08:02:01	Edit Download recursive recursive

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