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23 lines
494 B
Python
23 lines
494 B
Python
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# coding: utf-8
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from __future__ import unicode_literals, division, absolute_import, print_function
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def fill_width(bytes_, width):
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"""
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Ensure a byte string representing a positive integer is a specific width
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(in bytes)
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:param bytes_:
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The integer byte string
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:param width:
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The desired width as an integer
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:return:
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A byte string of the width specified
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"""
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while len(bytes_) < width:
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bytes_ = b'\x00' + bytes_
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return bytes_
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