Done by hand due to differences with our codebase.
Partial backport of core PR14954 (commit fa3bf21):
https://github.com/bitcoin/bitcoin/pull/14954/commits/fa6bf21f5ef8b27e8525cabba9738f8e1f246bf5
Original scripted-diff for reference:
-BEGIN VERIFY SCRIPT-
sed -i -e "s/def bytes_to_hex_str/def b_2_x/g" $(git grep -l
bytes_to_hex_str)
export RE_B_0="[^()]*" # match no bracket
export RE_B_1="${RE_B_0}\(${RE_B_0}\)${RE_B_0}" # match exactly one ()
export RE_B_2="${RE_B_0}\(${RE_B_1}\)${RE_B_0}" # match wrapped (())
export RE_M="(b2x|bytes_to_hex_str)\(((${RE_B_0}|${RE_B_1}|${RE_B_2})*)\)"
sed -i --regexp-extended -e "s/${RE_M}/\2.hex()/g" $(git grep -l -E
'(b2x|bytes_to_hex_str)')
sed -i --regexp-extended -e "/ +bytes_to_hex_str( as b2x)?,/d" $(git
grep -l bytes_to_hex_str)
sed -i --regexp-extended -e "s/ +bytes_to_hex_str( as b2x)?,//g" $(git
grep -l bytes_to_hex_str)
sed -i --regexp-extended -e "s/, bytes_to_hex_str( as b2x)?//g" $(git
grep -l bytes_to_hex_str)
export RE_M="(binascii\.)?hexlify\(((${RE_B_0}|${RE_B_1}|${RE_B_2})*)\).decode\(${RE_B_0}\)"
sed -i --regexp-extended -e "s/${RE_M}/\2.hex()/g" $(git grep -l hexlify
-- ':(exclude)share')
sed -i --regexp-extended -e "/from binascii import hexlify$/d" $(git
grep -l hexlify -- ':(exclude)share')
sed -i --regexp-extended -e "s/(from binascii import) .*hexlify/\1
unhexlify/g" $(git grep -l hexlify -- ':(exclude)share')
sed -i -e 's/ignore-names "/ignore-names "b_2_x,/g'
./test/lint/lint-python-dead-code.sh
-END VERIFY SCRIPT-