Files
typeshed/stdlib/sqlite3/dbapi2.pyi
Jelle Zijlstra b0611bc031 Improve sqlite3 types (#7641)
Read through the code in CPython and made the types more precise
where possible.

Co-authored-by: Sebastian Rittau <srittau@rittau.biz>
2022-04-16 11:20:11 -07:00

357 lines
13 KiB
Python

import sqlite3
import sys
from _typeshed import ReadableBuffer, Self, StrOrBytesPath, SupportsLenAndGetItem
from collections.abc import Callable, Generator, Iterable, Iterator, Mapping
from datetime import date, datetime, time
from types import TracebackType
from typing import Any, Generic, Protocol, TypeVar, overload
from typing_extensions import Literal, SupportsIndex, TypeAlias, final
_T = TypeVar("_T")
_T_co = TypeVar("_T_co", covariant=True)
_CursorT = TypeVar("_CursorT", bound=Cursor)
_SqliteData: TypeAlias = str | ReadableBuffer | int | float | None
# Data that is passed through adapters can be of any type accepted by an adapter.
_AdaptedInputData: TypeAlias = _SqliteData | Any
# The Mapping must really be a dict, but making it invariant is too annoying.
_Parameters: TypeAlias = SupportsLenAndGetItem[_AdaptedInputData] | Mapping[str, _AdaptedInputData]
_SqliteOutputData: TypeAlias = str | bytes | int | float | None
_Adapter: TypeAlias = Callable[[_T], _SqliteData]
_Converter: TypeAlias = Callable[[bytes], Any]
paramstyle: str
threadsafety: int
apilevel: str
Date = date
Time = time
Timestamp = datetime
def DateFromTicks(ticks: float) -> Date: ...
def TimeFromTicks(ticks: float) -> Time: ...
def TimestampFromTicks(ticks: float) -> Timestamp: ...
version_info: tuple[int, int, int]
sqlite_version_info: tuple[int, int, int]
Binary = memoryview
# The remaining definitions are imported from _sqlite3.
PARSE_COLNAMES: int
PARSE_DECLTYPES: int
SQLITE_ALTER_TABLE: int
SQLITE_ANALYZE: int
SQLITE_ATTACH: int
SQLITE_CREATE_INDEX: int
SQLITE_CREATE_TABLE: int
SQLITE_CREATE_TEMP_INDEX: int
SQLITE_CREATE_TEMP_TABLE: int
SQLITE_CREATE_TEMP_TRIGGER: int
SQLITE_CREATE_TEMP_VIEW: int
SQLITE_CREATE_TRIGGER: int
SQLITE_CREATE_VIEW: int
if sys.version_info >= (3, 7):
SQLITE_CREATE_VTABLE: int
SQLITE_DELETE: int
SQLITE_DENY: int
SQLITE_DETACH: int
if sys.version_info >= (3, 7):
SQLITE_DONE: int
SQLITE_DROP_INDEX: int
SQLITE_DROP_TABLE: int
SQLITE_DROP_TEMP_INDEX: int
SQLITE_DROP_TEMP_TABLE: int
SQLITE_DROP_TEMP_TRIGGER: int
SQLITE_DROP_TEMP_VIEW: int
SQLITE_DROP_TRIGGER: int
SQLITE_DROP_VIEW: int
if sys.version_info >= (3, 7):
SQLITE_DROP_VTABLE: int
SQLITE_FUNCTION: int
SQLITE_IGNORE: int
SQLITE_INSERT: int
SQLITE_OK: int
if sys.version_info >= (3, 11):
SQLITE_LIMIT_LENGTH: int
SQLITE_LIMIT_SQL_LENGTH: int
SQLITE_LIMIT_COLUMN: int
SQLITE_LIMIT_EXPR_DEPTH: int
SQLITE_LIMIT_COMPOUND_SELECT: int
SQLITE_LIMIT_VDBE_OP: int
SQLITE_LIMIT_FUNCTION_ARG: int
SQLITE_LIMIT_ATTACHED: int
SQLITE_LIMIT_LIKE_PATTERN_LENGTH: int
SQLITE_LIMIT_VARIABLE_NUMBER: int
SQLITE_LIMIT_TRIGGER_DEPTH: int
SQLITE_LIMIT_WORKER_THREADS: int
SQLITE_PRAGMA: int
SQLITE_READ: int
SQLITE_REINDEX: int
if sys.version_info >= (3, 7):
SQLITE_RECURSIVE: int
SQLITE_SAVEPOINT: int
SQLITE_SELECT: int
SQLITE_TRANSACTION: int
SQLITE_UPDATE: int
adapters: dict[tuple[type[Any], type[Any]], _Adapter[Any]]
converters: dict[str, _Converter]
sqlite_version: str
version: str
# Can take or return anything depending on what's in the registry.
@overload
def adapt(__obj: Any, __proto: Any) -> Any: ...
@overload
def adapt(__obj: Any, __proto: Any, __alt: _T) -> Any | _T: ...
def complete_statement(statement: str) -> bool: ...
if sys.version_info >= (3, 7):
_DatabaseArg: TypeAlias = StrOrBytesPath
else:
_DatabaseArg: TypeAlias = bytes | str
def connect(
database: _DatabaseArg,
timeout: float = ...,
detect_types: int = ...,
isolation_level: str | None = ...,
check_same_thread: bool = ...,
factory: type[Connection] | None = ...,
cached_statements: int = ...,
uri: bool = ...,
) -> Connection: ...
def enable_callback_tracebacks(__enable: bool) -> None: ...
# takes a pos-or-keyword argument because there is a C wrapper
def enable_shared_cache(enable: int) -> None: ...
def register_adapter(__type: type[_T], __caster: _Adapter[_T]) -> None: ...
def register_converter(__name: str, __converter: _Converter) -> None: ...
if sys.version_info < (3, 8):
class Cache:
def __init__(self, *args, **kwargs) -> None: ...
def display(self, *args, **kwargs) -> None: ...
def get(self, *args, **kwargs) -> None: ...
class _AggregateProtocol(Protocol):
def step(self, __value: int) -> object: ...
def finalize(self) -> int: ...
class _SingleParamWindowAggregateClass(Protocol):
def step(self, __param: Any) -> object: ...
def inverse(self, __param: Any) -> object: ...
def value(self) -> _SqliteData: ...
def finalize(self) -> _SqliteData: ...
class _AnyParamWindowAggregateClass(Protocol):
def step(self, *args: Any) -> object: ...
def inverse(self, *args: Any) -> object: ...
def value(self) -> _SqliteData: ...
def finalize(self) -> _SqliteData: ...
class _WindowAggregateClass(Protocol):
step: Callable[..., object]
inverse: Callable[..., object]
def value(self) -> _SqliteData: ...
def finalize(self) -> _SqliteData: ...
class Connection:
@property
def DataError(self) -> type[sqlite3.DataError]: ...
@property
def DatabaseError(self) -> type[sqlite3.DatabaseError]: ...
@property
def Error(self) -> type[sqlite3.Error]: ...
@property
def IntegrityError(self) -> type[sqlite3.IntegrityError]: ...
@property
def InterfaceError(self) -> type[sqlite3.InterfaceError]: ...
@property
def InternalError(self) -> type[sqlite3.InternalError]: ...
@property
def NotSupportedError(self) -> type[sqlite3.NotSupportedError]: ...
@property
def OperationalError(self) -> type[sqlite3.OperationalError]: ...
@property
def ProgrammingError(self) -> type[sqlite3.ProgrammingError]: ...
@property
def Warning(self) -> type[sqlite3.Warning]: ...
@property
def in_transaction(self) -> bool: ...
isolation_level: str | None # one of '', 'DEFERRED', 'IMMEDIATE' or 'EXCLUSIVE'
@property
def total_changes(self) -> int: ...
row_factory: Any
text_factory: Any
def __init__(
self,
database: _DatabaseArg,
timeout: float = ...,
detect_types: int = ...,
isolation_level: str | None = ...,
check_same_thread: bool = ...,
factory: type[Connection] | None = ...,
cached_statements: int = ...,
uri: bool = ...,
) -> None: ...
def close(self) -> None: ...
if sys.version_info >= (3, 11):
def blobopen(self, __table: str, __column: str, __row: int, *, readonly: bool = ..., name: str = ...) -> Blob: ...
def commit(self) -> None: ...
def create_aggregate(self, name: str, n_arg: int, aggregate_class: Callable[[], _AggregateProtocol]) -> None: ...
if sys.version_info >= (3, 11):
# num_params determines how many params will be passed to the aggregate class. We provide an overload
# for the case where num_params = 1, which is expected to be the common case.
@overload
def create_window_function(
self, __name: str, __num_params: Literal[1], __aggregate_class: Callable[[], _SingleParamWindowAggregateClass] | None
) -> None: ...
# And for num_params = -1, which means the aggregate must accept any number of parameters.
@overload
def create_window_function(
self, __name: str, __num_params: Literal[-1], __aggregate_class: Callable[[], _AnyParamWindowAggregateClass] | None
) -> None: ...
@overload
def create_window_function(
self, __name: str, __num_params: int, __aggregate_class: Callable[[], _WindowAggregateClass] | None
) -> None: ...
def create_collation(self, __name: str, __callback: Callable[[str, str], int | SupportsIndex] | None) -> None: ...
if sys.version_info >= (3, 8):
def create_function(
self, name: str, narg: int, func: Callable[..., _SqliteData], *, deterministic: bool = ...
) -> None: ...
else:
def create_function(self, name: str, num_params: int, func: Callable[..., _SqliteData]) -> None: ...
@overload
def cursor(self, cursorClass: None = ...) -> Cursor: ...
@overload
def cursor(self, cursorClass: Callable[[], _CursorT]) -> _CursorT: ...
def execute(self, sql: str, parameters: _Parameters = ...) -> Cursor: ...
def executemany(self, __sql: str, __parameters: Iterable[_Parameters]) -> Cursor: ...
def executescript(self, __sql_script: str) -> Cursor: ...
def interrupt(self) -> None: ...
def iterdump(self) -> Generator[str, None, None]: ...
def rollback(self) -> None: ...
def set_authorizer(
self, authorizer_callback: Callable[[int, str | None, str | None, str | None, str | None], int] | None
) -> None: ...
def set_progress_handler(self, progress_handler: Callable[[], bool | None] | None, n: int) -> None: ...
def set_trace_callback(self, trace_callback: Callable[[str], object] | None) -> None: ...
# enable_load_extension and load_extension is not available on python distributions compiled
# without sqlite3 loadable extension support. see footnotes https://docs.python.org/3/library/sqlite3.html#f1
def enable_load_extension(self, __enabled: bool) -> None: ...
def load_extension(self, __name: str) -> None: ...
if sys.version_info >= (3, 7):
def backup(
self,
target: Connection,
*,
pages: int = ...,
progress: Callable[[int, int, int], object] | None = ...,
name: str = ...,
sleep: float = ...,
) -> None: ...
if sys.version_info >= (3, 11):
def setlimit(self, __category: int, __limit: int) -> int: ...
def getlimit(self, __category: int) -> int: ...
def serialize(self, *, name: str = ...) -> bytes: ...
def deserialize(self, __data: ReadableBuffer, *, name: str = ...) -> None: ...
def __call__(self, __sql: str) -> _Statement: ...
def __enter__(self: Self) -> Self: ...
def __exit__(
self, __type: type[BaseException] | None, __value: BaseException | None, __traceback: TracebackType | None
) -> Literal[False]: ...
class Cursor(Iterator[Any]):
arraysize: int
@property
def connection(self) -> Connection: ...
@property
def description(self) -> tuple[tuple[str, None, None, None, None, None, None], ...] | None: ...
@property
def lastrowid(self) -> int | None: ...
row_factory: Callable[[Cursor, Row[Any]], object] | None
@property
def rowcount(self) -> int: ...
def __init__(self, __cursor: Connection) -> None: ...
def close(self) -> None: ...
def execute(self: Self, __sql: str, __parameters: _Parameters = ...) -> Self: ...
def executemany(self: Self, __sql: str, __seq_of_parameters: Iterable[_Parameters]) -> Self: ...
def executescript(self, __sql_script: str) -> Cursor: ...
def fetchall(self) -> list[Any]: ...
def fetchmany(self, size: int | None = ...) -> list[Any]: ...
# Returns either a row (as created by the row_factory) or None, but
# putting None in the return annotation causes annoying false positives.
def fetchone(self) -> Any: ...
def setinputsizes(self, __sizes: object) -> None: ... # does nothing
def setoutputsize(self, __size: object, __column: object = ...) -> None: ... # does nothing
def __iter__(self: Self) -> Self: ...
def __next__(self) -> Any: ...
class DataError(DatabaseError): ...
class DatabaseError(Error): ...
class Error(Exception):
if sys.version_info >= (3, 11):
sqlite_errorcode: int
sqlite_errorname: str
class IntegrityError(DatabaseError): ...
class InterfaceError(Error): ...
class InternalError(DatabaseError): ...
class NotSupportedError(DatabaseError): ...
class OperationalError(DatabaseError): ...
OptimizedUnicode = str
@final
class PrepareProtocol:
def __init__(self, *args: object, **kwargs: object) -> None: ...
class ProgrammingError(DatabaseError): ...
class Row(Generic[_T_co]):
def __init__(self, __cursor: Cursor, __data: tuple[_T_co, ...]) -> None: ...
def keys(self) -> list[str]: ...
@overload
def __getitem__(self, __index: int | str) -> _T_co: ...
@overload
def __getitem__(self, __index: slice) -> tuple[_T_co, ...]: ...
def __hash__(self) -> int: ...
def __iter__(self) -> Iterator[_T_co]: ...
def __len__(self) -> int: ...
# These return NotImplemented for anything that is not a Row.
def __eq__(self, __other: object) -> bool: ...
def __ge__(self, __other: object) -> bool: ...
def __gt__(self, __other: object) -> bool: ...
def __le__(self, __other: object) -> bool: ...
def __lt__(self, __other: object) -> bool: ...
def __ne__(self, __other: object) -> bool: ...
if sys.version_info >= (3, 8):
@final
class _Statement: ...
else:
@final
class Statement:
def __init__(self, *args, **kwargs): ...
_Statement: TypeAlias = Statement
class Warning(Exception): ...
if sys.version_info >= (3, 11):
class Blob:
def close(self) -> None: ...
def read(self, __length: int = ...) -> bytes: ...
def write(self, __data: bytes) -> None: ...
def tell(self) -> int: ...
# whence must be one of os.SEEK_SET, os.SEEK_CUR, os.SEEK_END
def seek(self, __offset: int, __whence: int = ...) -> None: ...
def __len__(self) -> int: ...
def __enter__(self: Self) -> Self: ...
def __exit__(self, __typ: object, __val: object, __tb: object) -> Literal[False]: ...