27ab66e437
README.md was adjusted to reflect the change. Signed-off-by: Jiri Podivin <jpodivin@gmail.com>
81 lines
2.3 KiB
Python
Executable file
81 lines
2.3 KiB
Python
Executable file
#!/bin/env python3
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import os
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import hashlib
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def sha256sum(file):
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block_size = 16 * 1024 * 1024 # 16 MB block size
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b = bytearray(block_size)
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file_hash = hashlib.sha256()
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mv = memoryview(b)
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with open(file, 'rb', buffering=0) as f:
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while True:
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n = f.readinto(mv)
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if not n:
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break
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file_hash.update(mv[:n])
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return file_hash.hexdigest()
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# Define the path to the llama directory (parent folder of script directory)
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llama_path = os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir))
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# Define the file with the list of hashes and filenames
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hash_list_file = os.path.join(llama_path, "SHA256SUMS")
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# Check if the hash list file exists
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if not os.path.exists(hash_list_file):
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print(f"Hash list file not found: {hash_list_file}")
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exit(1)
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# Read the hash file content and split it into an array of lines
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with open(hash_list_file, "r") as f:
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hash_list = f.read().splitlines()
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# Create an array to store the results
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results = []
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# Loop over each line in the hash list
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for line in hash_list:
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# Split the line into hash and filename
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hash_value, filename = line.split(" ")
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# Get the full path of the file by joining the llama path and the filename
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file_path = os.path.join(llama_path, filename)
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# Informing user of the progress of the integrity check
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print(f"Verifying the checksum of {file_path}")
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# Check if the file exists
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if os.path.exists(file_path):
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# Calculate the SHA256 checksum of the file using hashlib
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file_hash = sha256sum(file_path)
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# Compare the file hash with the expected hash
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if file_hash == hash_value:
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valid_checksum = "V"
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file_missing = ""
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else:
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valid_checksum = ""
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file_missing = ""
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else:
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valid_checksum = ""
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file_missing = "X"
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# Add the results to the array
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results.append({
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"filename": filename,
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"valid checksum": valid_checksum,
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"file missing": file_missing
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})
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# Print column headers for results table
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print("\n" + "filename".ljust(40) + "valid checksum".center(20) + "file missing".center(20))
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print("-" * 80)
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# Output the results as a table
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for r in results:
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print(f"{r['filename']:40} {r['valid checksum']:^20} {r['file missing']:^20}")
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