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Author: zmedico |
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Date: 2008-06-25 22:49:32 +0000 (Wed, 25 Jun 2008) |
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New Revision: 10794 |
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|
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Modified: |
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main/trunk/pym/portage/cache/mappings.py |
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Log: |
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Add docstring to slot_dict_class(). |
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Modified: main/trunk/pym/portage/cache/mappings.py |
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=================================================================== |
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--- main/trunk/pym/portage/cache/mappings.py 2008-06-25 22:39:42 UTC (rev 10793) |
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+++ main/trunk/pym/portage/cache/mappings.py 2008-06-25 22:49:32 UTC (rev 10794) |
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@@ -105,6 +105,17 @@ |
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_slot_dict_classes = weakref.WeakValueDictionary() |
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|
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def slot_dict_class(keys): |
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+ """ |
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+ Generates mapping classes that behave similar to a dict but store values |
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+ as object attributes that are allocated via __slots__. Instances of these |
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+ objects have a smaller memory footprint than a normal dict object. |
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+ |
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+ @param keys: Fixed set of allowed keys |
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+ @type keys: iterable |
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+ @rtype: SlotDict |
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+ @returns: A class that constructs SlotDict instances |
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+ having the specified keys. |
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+ """ |
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if isinstance(keys, frozenset): |
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keys_set = keys |
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else: |
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|
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-- |
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