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66 lines
1.6 KiB
Python
66 lines
1.6 KiB
Python
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# Copyright (C) 2018 SUSE Linux. All rights reserved.
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# This program is free software; it may be used, copied, modified
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# and distributed under the terms of the GNU General Public Licence,
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# either version 2, or (at your option) any later version.
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def cmp_to_key(mycmp):
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""" Converts a cmp= function into a key= function.
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"""
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class K(object):
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def __init__(self, obj, *args):
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self.obj = obj
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def __lt__(self, other):
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return mycmp(self.obj, other.obj) < 0
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def __gt__(self, other):
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return mycmp(self.obj, other.obj) > 0
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def __eq__(self, other):
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return mycmp(self.obj, other.obj) == 0
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def __le__(self, other):
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return mycmp(self.obj, other.obj) <= 0
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def __ge__(self, other):
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return mycmp(self.obj, other.obj) >= 0
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def __ne__(self, other):
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return mycmp(self.obj, other.obj) != 0
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def __hash__(self):
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raise TypeError('hash not implemented')
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return K
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def decode_list(ilist):
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""" Decodes the elements of a list if needed
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"""
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dlist = []
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for elem in ilist:
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if not isinstance(elem, str):
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dlist.append(decode_it(elem))
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else:
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dlist.append(elem)
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return dlist
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def decode_it(obj):
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""" Decodes the given object if obj is not a string
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based on the chardet module if possible
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"""
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if isinstance(obj, str):
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return obj
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else:
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try:
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import chardet
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return obj.decode(chardet.detect(obj)['encoding'])
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except:
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import locale
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return obj.decode(locale.getlocale()[1])
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