mirror of https://github.com/deadc0de6/catcli
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52 lines
1.1 KiB
Python
52 lines
1.1 KiB
Python
"""
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author: deadc0de6 (https://github.com/deadc0de6)
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Copyright (c) 2017, deadc0de6
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helpers
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"""
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import os
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import hashlib
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# local imports
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from catcli.logger import Logger
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def md5sum(path):
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''' calculate md5 sum of a file '''
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p = os.path.realpath(path)
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if not os.path.exists(p):
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Logger.err('\nunable to get md5sum on {}'.format(path))
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return None
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try:
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with open(p, mode='rb') as f:
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d = hashlib.md5()
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while True:
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buf = f.read(4096)
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if not buf:
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break
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d.update(buf)
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return d.hexdigest()
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except PermissionError:
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pass
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return None
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def human(size):
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''' human readable size '''
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div = 1024.
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suf = ['B', 'K', 'M', 'G', 'T', 'P']
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if size < div:
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return '{}'.format(size)
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for i in suf:
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if size < div:
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return '{:.1f}{}'.format(size, i)
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size = size / div
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return '{:.1f}{}'.format(size, suf[-1])
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def ask(question):
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''' ask the user what to do '''
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resp = input('{} [y|N] ? '.format(question))
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return resp.lower() == 'y'
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