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Viewing changes to snappy_ecosystem_tests/utils/filters.py

  • Committer: Heber Parrucci
  • Date: 2017-02-21 21:09:28 UTC
  • mto: (23.2.2 snappy-ecosystem-tests)
  • mto: This revision was merged to the branch mainline in revision 26.
  • Revision ID: heber.parrucci@canonical.com-20170221210928-kvhsmmce5cg8x208
Adding: unittests for filter utils and minor improvements to filters.

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snappy_ecosystem_tests/utils/filters.py
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"""Filter utils"""
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def object_filter(predicates):
 
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def object_filter(**predicates):
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    """
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    Higher-order function to build and return an object filter function
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    :param predicates: a dictionary that contains
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    the conditions to look for in the object instance.
 
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     :param predicates: key/values that represent
 
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     the conditions to look for in the object instance.
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    :return: a function to be used with filter or lambda expressions.
 
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    :raise: AttributeError if any of the attributes provided in predicates
 
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     does not exists
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    """
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    def wrapped_filter(instance):
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        """wrapped function to be returned when calling object_filter"""
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    return wrapped_filter
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def filter_list(objects_list, predicates):
 
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def filter_list(objects_list, **predicates):
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    """
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    Filter a list of objects with the given predicates
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    :param objects_list: the target list that contains
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     the objects to be filtered
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    :param predicates: a dictionary that contains
 
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    :param predicates: key/values that represent
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    the conditions to look for in the object list.
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    :return: A list with the objects that match all the predicates
 
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    :raise: AttributeError if any of the attributes provided in predicates
 
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     does not exists
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    """
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    return list(filter(object_filter(predicates), objects_list))
 
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    return list(filter(object_filter(**predicates), objects_list))