知微
fa45d8aa5f
- health_checklist.json: 192.168.1.122→node122
- ocr_client.py: docstring IP→node122
- docs/market-data-requirements.md: IP→node122
- 所有API调用通过ProxyHandler({})绕过系统代理
Privoxy对node122:18003返回500，直连正常
129 lines
3.7 KiB
Python
129 lines
3.7 KiB
Python
# engine/_py_row.py
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# Copyright (C) 2005-2026 the SQLAlchemy authors and contributors
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# <see AUTHORS file>
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#
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# This module is part of SQLAlchemy and is released under
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# the MIT License: https://www.opensource.org/licenses/mit-license.php
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from __future__ import annotations
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import operator
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import typing
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from typing import Any
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from typing import Callable
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from typing import Dict
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from typing import Iterator
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from typing import List
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from typing import Mapping
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from typing import Optional
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from typing import Tuple
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from typing import Type
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if typing.TYPE_CHECKING:
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from .result import _KeyType
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from .result import _ProcessorsType
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from .result import _RawRowType
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from .result import _TupleGetterType
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from .result import ResultMetaData
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MD_INDEX = 0 # integer index in cursor.description
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class BaseRow:
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__slots__ = ("_parent", "_data", "_key_to_index")
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_parent: ResultMetaData
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_key_to_index: Mapping[_KeyType, int]
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_data: _RawRowType
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def __init__(
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self,
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parent: ResultMetaData,
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processors: Optional[_ProcessorsType],
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key_to_index: Mapping[_KeyType, int],
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data: _RawRowType,
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):
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"""Row objects are constructed by CursorResult objects."""
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object.__setattr__(self, "_parent", parent)
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object.__setattr__(self, "_key_to_index", key_to_index)
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if processors:
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object.__setattr__(
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self,
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"_data",
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tuple(
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[
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proc(value) if proc else value
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for proc, value in zip(processors, data)
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]
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),
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)
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else:
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object.__setattr__(self, "_data", tuple(data))
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def __reduce__(self) -> Tuple[Callable[..., BaseRow], Tuple[Any, ...]]:
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return (
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rowproxy_reconstructor,
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(self.__class__, self.__getstate__()),
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)
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def __getstate__(self) -> Dict[str, Any]:
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return {"_parent": self._parent, "_data": self._data}
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def __setstate__(self, state: Dict[str, Any]) -> None:
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parent = state["_parent"]
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object.__setattr__(self, "_parent", parent)
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object.__setattr__(self, "_data", state["_data"])
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object.__setattr__(self, "_key_to_index", parent._key_to_index)
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def _values_impl(self) -> List[Any]:
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return list(self)
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def __iter__(self) -> Iterator[Any]:
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return iter(self._data)
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def __len__(self) -> int:
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return len(self._data)
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def __hash__(self) -> int:
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return hash(self._data)
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def __getitem__(self, key: Any) -> Any:
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return self._data[key]
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def _get_by_key_impl_mapping(self, key: str) -> Any:
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try:
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return self._data[self._key_to_index[key]]
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except KeyError:
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pass
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self._parent._key_not_found(key, False)
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def __getattr__(self, name: str) -> Any:
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try:
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return self._data[self._key_to_index[name]]
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except KeyError:
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pass
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self._parent._key_not_found(name, True)
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def _to_tuple_instance(self) -> Tuple[Any, ...]:
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return self._data
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# This reconstructor is necessary so that pickles with the Cy extension or
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# without use the same Binary format.
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def rowproxy_reconstructor(
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cls: Type[BaseRow], state: Dict[str, Any]
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) -> BaseRow:
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obj = cls.__new__(cls)
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obj.__setstate__(state)
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return obj
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def tuplegetter(*indexes: int) -> _TupleGetterType:
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if len(indexes) != 1:
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for i in range(1, len(indexes)):
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if indexes[i - 1] != indexes[i] - 1:
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return operator.itemgetter(*indexes)
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# slice form is faster but returns a list if input is list
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return operator.itemgetter(slice(indexes[0], indexes[-1] + 1))
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