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annotate bin/cek.py @ 681:137b18a1898e

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[cek.py] Python 3
author nanaya <me@nanaya.pro>
date Fri, 24 Jun 2022 15:14:54 +0900
parents 08d5f6023998
children
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79
08d5f6023998 Replace checksum calculator with python version.
Edho Prima Arief <me@myconan.net>
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1 #!/usr/bin/env python
08d5f6023998 Replace checksum calculator with python version.
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2
08d5f6023998 Replace checksum calculator with python version.
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3 import zlib, os, sys
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4
08d5f6023998 Replace checksum calculator with python version.
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5 def get_file_crc32(filename):
08d5f6023998 Replace checksum calculator with python version.
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6 block_size = 1*2**20
08d5f6023998 Replace checksum calculator with python version.
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7 return_code = 0
08d5f6023998 Replace checksum calculator with python version.
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8 file_crc32 = 0
08d5f6023998 Replace checksum calculator with python version.
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9 file_digest = 0
08d5f6023998 Replace checksum calculator with python version.
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10 file_handle = open(filename, "rb")
08d5f6023998 Replace checksum calculator with python version.
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11 if return_code == 0:
08d5f6023998 Replace checksum calculator with python version.
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12 file_block = file_handle.read(block_size)
08d5f6023998 Replace checksum calculator with python version.
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13 while file_block:
08d5f6023998 Replace checksum calculator with python version.
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14 file_digest = zlib.crc32(file_block, file_digest)
08d5f6023998 Replace checksum calculator with python version.
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15 file_block = file_handle.read(block_size)
08d5f6023998 Replace checksum calculator with python version.
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16 file_handle.close()
08d5f6023998 Replace checksum calculator with python version.
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17 file_digest = file_digest & 0xffffffff
08d5f6023998 Replace checksum calculator with python version.
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18 return "%08X" % file_digest
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19
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20 if __name__ == "__main__":
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21 for file in sys.argv[1:]:
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137b18a1898e [cek.py] Python 3
nanaya <me@nanaya.pro>
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22 print(f'{file} {get_file_crc32(file)}')