Revision 4a3dd52d lib/compat.py
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else: |
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return val |
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def UniqueFrozenset(seq): |
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"""Makes C{frozenset} from sequence after checking for duplicate elements.
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@raise ValueError: When there are duplicate elements |
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""" |
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if isinstance(seq, (list, tuple)): |
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items = seq |
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else: |
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items = list(seq) |
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result = frozenset(items) |
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if len(items) != len(result): |
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raise ValueError("Duplicate values found")
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return result |
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#: returns the first element of a list-like value |
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fst = operator.itemgetter(0) |
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