Re: suggestions, comments on an "is_subdict" test

From	Peter Otten <__peter__@web.de>
Subject	Re: suggestions, comments on an "is_subdict" test
Date	2011-04-22 17:06 +0200
Organization	None
References	<BANLkTinazu41uVqxmkfTns0ZOHScZ1a3nQ@mail.gmail.com> <4DB190DC.8050307@mrabarnett.plus.com> <BANLkTikk8VvoTmBG7YPD1A54v_3=SHz-vQ@mail.gmail.com>
Newsgroups	comp.lang.python
Message-ID	<mailman.753.1303484755.9059.python-list@python.org> (permalink)

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Zero Piraeus wrote:

> :
> 
>>> I'd like to ask for comments or advice on a simple code for testing a
>>> "subdict", i.e. check whether all items of a given dictionary are
>>> present in a reference dictionary.
> 
> Anything wrong with this?
> 
> def is_subdict(test_dct, base_dct):
>     return test_dct <= base_dct and all(test_dct[k] == base_dct[k] for
> k in test_dct)

It may raise a KeyError.

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Re: suggestions, comments on an "is_subdict" test Peter Otten <__peter__@web.de> - 2011-04-22 17:06 +0200

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