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22 lines
482 B
Python
22 lines
482 B
Python
#!/usr/bin/env python
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__author__ = "Mia Stein"
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'''
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Calculate the MD5 checksum of a file.
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We work on chunks to avoid using too much memory when the file is large.
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'''
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import os
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from Crypto.Hash import MD5
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def get_file_checksum(filename):
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h = MD5.new()
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chunk_size = 8192
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with open(filename, 'rb') as f:
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while True:
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chunk = f.read(chunk_size)
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if len(chunk) == 0:
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break
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h.update(chunk)
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return h.hexdigest()
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