annotation() - Code Metrics - Inspection of "Better mocking" - coala-analyzer/coala - Measure and Improve Code Quality continuously with Scrutinizer

Failed Conditions

Pull Request — master (#2076)

by Abdeali

created 2016-04-26 07:56 UTC

annotation() B

↳ Parent: typechain()

Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	6
c	1
b	0
f	0
dl	0
loc	22
rs	7.7857



def typechain(*args):
    """
    Returns function which applies the first transformation it can from args
    and returns transformed value, or the value itself if it is in args.

    >>> function = typechain(int, 'a', ord, None)
    >>> function("10")
    10
    >>> function("b")
    98
    >>> function("a")
    'a'
    >>> function(int)
    <class 'int'>
    >>> function(None) is None
    True
    >>> function("str")
    Traceback (most recent call last):
        ...
    ValueError: Couldn't convert value 'str' to any specified type or find it \
in specified values.

    :raises TypeError:  Raises when either no functions are specified for
                        checking.
    """
    if len(args) == 0:

        raise TypeError("No arguments were provided.")

    def annotation(value):
        """
        Returns value either transformed with one of the function in args, or
        casted to one of types in args, or the value itself if it is in the
        args.

        :raises ValueError: Raises when cannot transform value in any one of
                            specified ways.
        """
        for arg in args:

            if value == arg:
                return value
            if isinstance(arg, type) and isinstance(value, arg):

                return value
            try:
                return arg(value)
            except (ValueError, TypeError):

                pass
        raise ValueError(
            "Couldn't convert value {value} to any specified type "
            "or find it in specified values.".format(
                value=repr(value)))
    return annotation


1
2
3			def typechain(*args):
4			"""
5			Returns function which applies the first transformation it can from args
6			and returns transformed value, or the value itself if it is in args.
7
8			>>> function = typechain(int, 'a', ord, None)
9			>>> function("10")
10			10
11			>>> function("b")
12			98
13			>>> function("a")
14			'a'
15			>>> function(int)
16			<class 'int'>
17			>>> function(None) is None
18			True
19			>>> function("str")
20			Traceback (most recent call last):
21			...
22			ValueError: Couldn't convert value 'str' to any specified type or find it \
23			in specified values.
24
25			:raises TypeError: Raises when either no functions are specified for
26			checking.
27			"""
28			if len(args) == 0:
			0 ignored issues – show Comprehensibility Best Practice introduced 2016-04-26 06:36 UTC by Report Bug Copy Issue Report The variable `args` does not seem to be defined. Loading history...
29			raise TypeError("No arguments were provided.")
30
31			def annotation(value):
32			"""
33			Returns value either transformed with one of the function in args, or
34			casted to one of types in args, or the value itself if it is in the
35			args.
36
37			:raises ValueError: Raises when cannot transform value in any one of
38			specified ways.
39			"""
40			for arg in args:
			0 ignored issues – show Comprehensibility Best Practice introduced 2016-04-26 06:36 UTC by Report Bug Copy Issue Report The variable `args` does not seem to be defined. Loading history...
41			if value == arg:
42			return value
43			if isinstance(arg, type) and isinstance(value, arg):
			0 ignored issues – show Comprehensibility Best Practice introduced 2016-04-26 06:36 UTC by Report Bug Copy Issue Report The variable `type` does not seem to be defined. Loading history...
44			return value
45			try:
46			return arg(value)
47			except (ValueError, TypeError):
			0 ignored issues – show Comprehensibility Best Practice introduced 2016-04-26 06:36 UTC by Report Bug Copy Issue Report The variable `ValueError` does not seem to be defined. Loading history... Comprehensibility Best Practice introduced 2016-04-26 06:36 UTC by Report Bug Copy Issue Report The variable `TypeError` does not seem to be defined. Loading history...
48			pass
49			raise ValueError(
50			"Couldn't convert value {value} to any specified type "
51			"or find it in specified values.".format(
52			value=repr(value)))
53			return annotation
54

coala-analyzer / coala

Pull Request — master (#2076)

annotation() B

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

Filter issues like