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Automatic PR for fd9d5d13-dccd-4f47-b8de-28701ba1b979 #94

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Automatic PR for fd9d5d13-dccd-4f47-b8de-28701ba1b979 #94

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16 changes: 11 additions & 5 deletions pandas/io/sas/sasreader.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,10 +3,13 @@
"""
from __future__ import annotations

from abc import (
ABCMeta,
abstractmethod,
)
from typing import (
TYPE_CHECKING,
Hashable,
Protocol,
overload,
)

Expand All @@ -28,16 +31,19 @@
from pandas import DataFrame


class ReaderBase(Protocol):
# TODO(PY38): replace with Protocol in Python 3.8
class ReaderBase(metaclass=ABCMeta):
"""
Protocol for XportReader and SAS7BDATReader classes.
"""

@abstractmethod
def read(self, nrows: int | None = None) -> DataFrame:
...
pass

@abstractmethod
def close(self) -> None:
...
pass

def __enter__(self) -> ReaderBase:
return self
Expand Down Expand Up @@ -173,4 +179,4 @@ def read_sas(
return reader

with reader:
return reader.read()
return reader.read()