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Apr 16, 2025
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modernise hash.py with Mistral AI help #1550

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86 changes: 34 additions & 52 deletions hash.py
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Original file line number Diff line number Diff line change
@@ -1,63 +1,45 @@
# -*- coding: utf-8 -*-
"""
Created on Tue Jun 23 21:30:06 2015
#
# WinPython hash.py script
# Copyright © 2014-2025+ The Winpython development team https://github.com/winpython/
# Licensed under the terms of the MIT License
# (see winpython/__init__.py for details)

@author: famille
"""

import io
import os
from pathlib import Path
import sys
import hashlib


def give_hash(file_in, with_this):
with io.open(file_in, 'rb') as f:
return with_this(f.read()).hexdigest()

def give_hashblake(file_in, with_this):
with io.open(file_in, 'rb') as f:
return with_this(f.read(),digest_size=32).hexdigest()


if __name__ == '__main__':
if len(sys.argv) < 2:
print( "Usage: hash.py files_to_copte_hash" )
exit(1)
files = [str(i) for i in sys.argv[1:] if str(i)[-3:].lower() != ".py"]

header = (
" MD5"
+ " " * (32 - 4)
+ " | SHA-1"
+ " " * (40 - 5)
+ " | SHA-256"
+ " " * (64 - 7)
+ " | Binary"
+ " " * (33 - 5)
+ "| Size"
+ " " * (20 - 6)
#+ " | SHA3-256"
#+ " " * (64 - 8)
+ " | blake2b-256"
+ " " * (64 - 11)
)
line = "|".join(
["-" * len(i) for i in header.split("|")]
)
def compute_hash(file_path, hash_function, digest_size=None):
"""Compute the hash of a file using the specified hash function."""
try:
with open(file_path, 'rb') as file:
if digest_size:
return hash_function(file.read(), digest_size=digest_size).hexdigest()
return hash_function(file.read()).hexdigest()
except IOError as e:
print(f"Error reading file {file_path}: {e}")
return None

def print_hashes(files):
"""Print the hashes of the given files."""
header = f"{'MD5':<32} | {'SHA-1':<40} | {'SHA-256':<64} | {'Binary':<33} | {'Size':<20} | {'blake2b-256':<64}"
line = "|".join(["-" * len(part) for part in header.split("|")])

print(header)
print(line)

for file in files:
print(""+
f"{give_hash(file, hashlib.md5)} | " +
f"{give_hash(file, hashlib.sha1)} | " +
f"{give_hash(file, hashlib.sha256)} | " +
f"{os.path.basename(file):33} |"+
f"{os.path.getsize(file):13,}".replace(",", " ") + ' Bytes | ' +
# f" | {give_hash(file, hashlib.sha3_256)}"
f"{give_hashblake(file, hashlib.blake2b)}")
md5 = compute_hash(file, hashlib.md5)
sha1 = compute_hash(file, hashlib.sha1)
sha256 = compute_hash(file, hashlib.sha256)
name = Path(file).name.ljust(33)
size = f"{Path(file).stat().st_size:,} Bytes".replace(",", " ").ljust(20)
blake2b = compute_hash(file, hashlib.blake2b, digest_size=32)
print(f"{md5} | {sha1} | {sha256} | {name} | {size} | {blake2b}")



if __name__ == '__main__':
if len(sys.argv) < 2:
print("Usage: hash.py files_to_compute_hash")
sys.exit(1)
files = [file for file in sys.argv[1:] if file[-3:].lower() != ".py"]
print_hashes(files)