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Add Missing Type Annotations #24

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Merged
merged 1 commit into from
Sep 21, 2022
Merged

Add Missing Type Annotations #24

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12 changes: 9 additions & 3 deletions adafruit_bitbangio.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,8 +24,9 @@
"""

try:
from typing import Optional, List
from typing import List, Optional, Type
from typing_extensions import Literal
from types import TracebackType
from circuitpython_typing import WriteableBuffer, ReadableBuffer
from microcontroller import Pin
except ImportError:
Expand Down Expand Up @@ -67,10 +68,15 @@ def _check_lock(self) -> Literal[True]:
raise RuntimeError("First call try_lock()")
return True

def __enter__(self):
def __enter__(self) -> "_BitBangIO":
return self

def __exit__(self, exc_type, exc_value, traceback) -> None:
def __exit__(
self,
exc_type: Optional[Type[BaseException]],
exc_value: Optional[BaseException],
traceback: Optional[TracebackType],
) -> None:
self.deinit()

# pylint: disable=no-self-use
Expand Down
2 changes: 1 addition & 1 deletion requirements.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -3,4 +3,4 @@
# SPDX-License-Identifier: Unlicense

Adafruit-Blinka
typing-extensions
typing-extensions~=4.0