import csv import sys from _typeshed import SupportsWrite from collections.abc import Iterable from typing import Any, Final, type_check_only from typing_extensions import Self, TypeAlias __version__: Final[str] QUOTE_ALL: Final = 1 QUOTE_MINIMAL: Final = 0 QUOTE_NONE: Final = 3 QUOTE_NONNUMERIC: Final = 2 if sys.version_info >= (3, 12): QUOTE_STRINGS: Final = 4 QUOTE_NOTNULL: Final = 5 # Ideally this would be `QUOTE_ALL | QUOTE_MINIMAL | QUOTE_NONE | QUOTE_NONNUMERIC` # However, using literals in situations like these can cause false-positives (see #7258) _QuotingType: TypeAlias = int class Error(Exception): ... _DialectLike: TypeAlias = str | Dialect | csv.Dialect | type[Dialect | csv.Dialect] class Dialect: delimiter: str quotechar: str | None escapechar: str | None doublequote: bool skipinitialspace: bool lineterminator: str quoting: _QuotingType strict: bool def __new__( cls, dialect: _DialectLike | None = ..., delimiter: str = ",", doublequote: bool = True, escapechar: str | None = None, lineterminator: str = "\r\n", quotechar: str | None = '"', quoting: _QuotingType = 0, skipinitialspace: bool = False, strict: bool = False, ) -> Self: ... if sys.version_info >= (3, 10): # This class calls itself _csv.reader. class Reader: @property def dialect(self) -> Dialect: ... line_num: int def __iter__(self) -> Self: ... def __next__(self) -> list[str]: ... # This class calls itself _csv.writer. class Writer: @property def dialect(self) -> Dialect: ... if sys.version_info >= (3, 13): def writerow(self, row: Iterable[Any], /) -> Any: ... def writerows(self, rows: Iterable[Iterable[Any]], /) -> None: ... else: def writerow(self, row: Iterable[Any]) -> Any: ... def writerows(self, rows: Iterable[Iterable[Any]]) -> None: ... # For the return types below. # These aliases can be removed when typeshed drops support for 3.9. _reader = Reader _writer = Writer else: # This class is not exposed. It calls itself _csv.reader. @type_check_only class _reader: @property def dialect(self) -> Dialect: ... line_num: int def __iter__(self) -> Self: ... def __next__(self) -> list[str]: ... # This class is not exposed. It calls itself _csv.writer. @type_check_only class _writer: @property def dialect(self) -> Dialect: ... def writerow(self, row: Iterable[Any]) -> Any: ... def writerows(self, rows: Iterable[Iterable[Any]]) -> None: ... def writer( csvfile: SupportsWrite[str], dialect: _DialectLike = "excel", *, delimiter: str = ",", quotechar: str | None = '"', escapechar: str | None = None, doublequote: bool = True, skipinitialspace: bool = False, lineterminator: str = "\r\n", quoting: _QuotingType = 0, strict: bool = False, ) -> _writer: ... def reader( csvfile: Iterable[str], dialect: _DialectLike = "excel", *, delimiter: str = ",", quotechar: str | None = '"', escapechar: str | None = None, doublequote: bool = True, skipinitialspace: bool = False, lineterminator: str = "\r\n", quoting: _QuotingType = 0, strict: bool = False, ) -> _reader: ... def register_dialect( name: str, dialect: type[Dialect | csv.Dialect] = ..., *, delimiter: str = ",", quotechar: str | None = '"', escapechar: str | None = None, doublequote: bool = True, skipinitialspace: bool = False, lineterminator: str = "\r\n", quoting: _QuotingType = 0, strict: bool = False, ) -> None: ... def unregister_dialect(name: str) -> None: ... def get_dialect(name: str) -> Dialect: ... def list_dialects() -> list[str]: ... def field_size_limit(new_limit: int = ...) -> int: ...