21 lines
520 B
Python
21 lines
520 B
Python
# Copyright The IETF Trust 2007, All Rights Reserved
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import operator
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def orl(list):
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""" Return the "or" of every element in a list.
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Used to generate "or" queries with a list of Q objects. """
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if list:
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return reduce(operator.__or__, list)
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else:
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return None
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def flattenl(list):
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""" Flatten a list one level, e.g., turn
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[ ['a'], ['b'], ['c', 'd'] ] into
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[ 'a', 'b', 'c', 'd' ]
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"""
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if list:
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return reduce(operator.__concat__, list)
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else:
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return [] |