m9dicts.is_list_like() - Code Metrics - Inspection of "refactor: do not use keys method and just iterate..." - ssato/python-m9dicts - Measure and Improve Code Quality continuously with Scrutinizer

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by Satoru

created 2017-01-24 04:30 UTC

m9dicts.is_list_like() A

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Complexity

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Lines	0
Ratio	0 %

Metric	Value
dl	0
loc	22
rs	9.2
cc	1

#
# Copyright (C) 2011 - 2015 Red Hat, Inc.
# Copyright (C) 2011 - 2016 Satoru SATOH <ssato redhat.com>
# License: MIT
#
"""Utility routines.
"""
from __future__ import absolute_import
import collections
import m9dicts.compat


_LIST_LIKE_TYPES = (collections.Iterable, collections.Sequence)


def is_dict_like(obj):
    """
    :param obj: Any object behaves like a dict.

    >>> is_dict_like("a string")
    False
    >>> is_dict_like({})
    True
    >>> is_dict_like(m9dicts.compat.OrderedDict((('a', 1), ('b', 2))))
    True
    """
    return isinstance(obj, (dict, collections.Mapping))  # any others?


def is_namedtuple(obj):
    """
    >>> p0 = collections.namedtuple("Point", "x y")(1, 2)
    >>> is_namedtuple(p0)
    True
    >>> is_namedtuple(tuple(p0))
    False
    """
    return isinstance(obj, tuple) and hasattr(obj, "_asdict")


def is_list_like(obj):
    """
    >>> is_list_like([])
    True
    >>> is_list_like(())
    True
    >>> is_list_like([x for x in range(10)])
    True
    >>> is_list_like((1, 2, 3))
    True
    >>> g = (x for x in range(10))
    >>> is_list_like(g)
    True
    >>> is_list_like("abc")
    False
    >>> is_list_like(0)
    False
    >>> is_list_like({})
    False
    """
    return isinstance(obj, _LIST_LIKE_TYPES) and \
        not (isinstance(obj, m9dicts.compat.STR_TYPES) or is_dict_like(obj))

# vim:sw=4:ts=4:et:


1			#
2			# Copyright (C) 2011 - 2015 Red Hat, Inc.
3			# Copyright (C) 2011 - 2016 Satoru SATOH <ssato redhat.com>
4			# License: MIT
5			#
6			"""Utility routines.
7			"""
8			from __future__ import absolute_import
9			import collections
10			import m9dicts.compat
11
12
13			_LIST_LIKE_TYPES = (collections.Iterable, collections.Sequence)
14
15
16			def is_dict_like(obj):
17			"""
18			:param obj: Any object behaves like a dict.
19
20			>>> is_dict_like("a string")
21			False
22			>>> is_dict_like({})
23			True
24			>>> is_dict_like(m9dicts.compat.OrderedDict((('a', 1), ('b', 2))))
25			True
26			"""
27			return isinstance(obj, (dict, collections.Mapping)) # any others?
28
29
30			def is_namedtuple(obj):
31			"""
32			>>> p0 = collections.namedtuple("Point", "x y")(1, 2)
33			>>> is_namedtuple(p0)
34			True
35			>>> is_namedtuple(tuple(p0))
36			False
37			"""
38			return isinstance(obj, tuple) and hasattr(obj, "_asdict")
39
40
41			def is_list_like(obj):
42			"""
43			>>> is_list_like([])
44			True
45			>>> is_list_like(())
46			True
47			>>> is_list_like([x for x in range(10)])
48			True
49			>>> is_list_like((1, 2, 3))
50			True
51			>>> g = (x for x in range(10))
52			>>> is_list_like(g)
53			True
54			>>> is_list_like("abc")
55			False
56			>>> is_list_like(0)
57			False
58			>>> is_list_like({})
59			False
60			"""
61			return isinstance(obj, _LIST_LIKE_TYPES) and \
62			not (isinstance(obj, m9dicts.compat.STR_TYPES) or is_dict_like(obj))
63
64			# vim:sw=4:ts=4:et:
65

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m9dicts.is_list_like() A

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