esp-idf/tools/esp_prov/utils/convenience.py

25 wiersze
592 B
Python
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# SPDX-FileCopyrightText: 2018-2022 Espressif Systems (Shanghai) CO LTD
# SPDX-License-Identifier: Apache-2.0
#
# Convenience functions for commonly used data type conversions
def bytes_to_long(s: bytes) -> int:
return int.from_bytes(s, 'big')
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def long_to_bytes(n: int) -> bytes:
if n == 0:
return b'\x00'
return n.to_bytes((n.bit_length() + 7) // 8, 'big')
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# 'deadbeef' -> b'deadbeef'
def str_to_bytes(s: str) -> bytes:
return bytes(s, encoding='latin-1')
# 'deadbeef' -> b'\xde\xad\xbe\xef'
def hex_str_to_bytes(s: str) -> bytes:
return bytes.fromhex(s)