golden hour

/opt/saltstack/salt/lib/python3.10/site-packages/zmq/utils

File/Folder	Size	Actions
__init__.py	0 B
__pycache__	-
buffers.pxd	6.87 KB
compiler.json	213 B
config.json	345 B
garbage.py	5.98 KB
getpid_compat.h	116 B
interop.py	685 B
ipcmaxlen.h	522 B
jsonapi.py	1018 B
monitor.py	3.23 KB
mutex.h	1.59 KB
pyversion_compat.h	284 B
strtypes.py	1.34 KB
win32.py	5.06 KB
z85.py	1.76 KB
zmq_compat.h	3.11 KB

Edit: z85.py

"""Python implementation of Z85 85-bit encoding

Z85 encoding is a plaintext encoding for a bytestring interpreted as 32bit integers.
Since the chunks are 32bit, a bytestring must be a multiple of 4 bytes.
See ZMQ RFC 32 for details.

"""

# Copyright (C) PyZMQ Developers
# Distributed under the terms of the Modified BSD License.

import struct

# Z85CHARS is the base 85 symbol table
Z85CHARS = b"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.-:+=^!/*?&<>()[]{}@%$#"
# Z85MAP maps integers in [0,84] to the appropriate character in Z85CHARS
Z85MAP = {c: idx for idx, c in enumerate(Z85CHARS)}

_85s = [85**i for i in range(5)][::-1]

def encode(rawbytes):
    """encode raw bytes into Z85"""
    # Accepts only byte arrays bounded to 4 bytes
    if len(rawbytes) % 4:
        raise ValueError("length must be multiple of 4, not %i" % len(rawbytes))

nvalues = len(rawbytes) / 4

values = struct.unpack('>%dI' % nvalues, rawbytes)
    encoded = []
    for v in values:
        for offset in _85s:
            encoded.append(Z85CHARS[(v // offset) % 85])

return bytes(encoded)

def decode(z85bytes):
    """decode Z85 bytes to raw bytes, accepts ASCII string"""
    if isinstance(z85bytes, str):
        try:
            z85bytes = z85bytes.encode('ascii')
        except UnicodeEncodeError:
            raise ValueError('string argument should contain only ASCII characters')

if len(z85bytes) % 5:
        raise ValueError("Z85 length must be multiple of 5, not %i" % len(z85bytes))

nvalues = len(z85bytes) / 5
    values = []
    for i in range(0, len(z85bytes), 5):
        value = 0
        for j, offset in enumerate(_85s):
            value += Z85MAP[z85bytes[i + j]] * offset
        values.append(value)
    return struct.pack('>%dI' % nvalues, *values)