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Add type hints #13

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Merged
merged 1 commit into from
Dec 5, 2021
Merged

Add type hints #13

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10 changes: 5 additions & 5 deletions adafruit_binascii.py
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Original file line number Diff line number Diff line change
Expand Up @@ -63,7 +63,7 @@ class Error(Exception):

if not "unhexlify" in globals():
# pylint: disable=function-redefined
def unhexlify(hexstr):
def unhexlify(hexstr: str) -> bytes:
"""Return the binary data represented by hexstr.
:param str hexstr: Hexadecimal string.

Expand All @@ -76,7 +76,7 @@ def unhexlify(hexstr):

if not "hexlify" in globals():
# pylint: disable=function-redefined
def hexlify(data):
def hexlify(data: bytes) -> bytes:
"""Return the hexadecimal representation of the
binary data. Every byte of data is converted into
the corresponding 2-digit hex representation.
Expand All @@ -96,7 +96,7 @@ def hexlify(data):
A2B_HEX = unhexlify


def _transform(n):
def _transform(n: int) -> str:
if n == -1:
return "\xff"
return chr(n)
Expand All @@ -106,7 +106,7 @@ def _transform(n):
assert len(TABLE_A2B_B64) == 256


def a2b_base64(b64_data):
def a2b_base64(b64_data: str) -> bytes:
"""Convert a block of base64 data back to binary and return the binary data.

:param str b64_data: Base64 data.
Expand Down Expand Up @@ -148,7 +148,7 @@ def a2b_base64(b64_data):
return b"".join(res)


def b2a_base64(bin_data):
def b2a_base64(bin_data: str) -> bytes:
"""Convert binary data to a line of ASCII characters in base64 coding.

:param str bin_data: Binary data string, as bytes
Expand Down