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STYLE enable pylint: typevar-name-incorrect-variance #49768

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Merged
merged 1 commit into from
Nov 18, 2022
Merged

STYLE enable pylint: typevar-name-incorrect-variance #49768

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18 changes: 9 additions & 9 deletions pandas/_typing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -188,8 +188,8 @@
PythonFuncType = Callable[[Any], Any]

# filenames and file-like-objects
AnyStr_cov = TypeVar("AnyStr_cov", str, bytes, covariant=True)
AnyStr_con = TypeVar("AnyStr_con", str, bytes, contravariant=True)
AnyStr_co = TypeVar("AnyStr_co", str, bytes, covariant=True)
AnyStr_contra = TypeVar("AnyStr_contra", str, bytes, contravariant=True)


class BaseBuffer(Protocol):
Expand All @@ -212,14 +212,14 @@ def tell(self) -> int:
...


class ReadBuffer(BaseBuffer, Protocol[AnyStr_cov]):
def read(self, __n: int = ...) -> AnyStr_cov:
class ReadBuffer(BaseBuffer, Protocol[AnyStr_co]):
def read(self, __n: int = ...) -> AnyStr_co:
# for BytesIOWrapper, gzip.GzipFile, bz2.BZ2File
...


class WriteBuffer(BaseBuffer, Protocol[AnyStr_con]):
def write(self, __b: AnyStr_con) -> Any:
class WriteBuffer(BaseBuffer, Protocol[AnyStr_contra]):
def write(self, __b: AnyStr_contra) -> Any:
# for gzip.GzipFile, bz2.BZ2File
...

Expand All @@ -238,16 +238,16 @@ def truncate(self, size: int | None = ...) -> int:
...


class ReadCsvBuffer(ReadBuffer[AnyStr_cov], Protocol):
def __iter__(self) -> Iterator[AnyStr_cov]:
class ReadCsvBuffer(ReadBuffer[AnyStr_co], Protocol):
def __iter__(self) -> Iterator[AnyStr_co]:
# for engine=python
...

def fileno(self) -> int:
# for _MMapWrapper
...

def readline(self) -> AnyStr_cov:
def readline(self) -> AnyStr_co:
# for engine=python
...

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1 change: 0 additions & 1 deletion pyproject.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -85,7 +85,6 @@ disable = [
"missing-module-docstring",
"singleton-comparison",
"too-many-lines",
"typevar-name-incorrect-variance",
"ungrouped-imports",
"unidiomatic-typecheck",
"unnecessary-dunder-call",
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