MetaValue

Complexity

Total Complexity

10

Size/Duplication

Total Lines	32
Duplicated Lines	0 %

Importance

Changes	5
Bugs	1	Features	0

7 Methods

Rating	Name	Duplication	Size	Complexity
A	_get_metas()	0	4	2
A	get()	0	8	3
A	set()	0	3	1
A	__init__()	0	2	1
A	reset()	0	2	1
A	unset()	0	3	1
A	have()	0	3	1

class MetaValue():
    def __init__(self):
        self._metas = {}

    def reset(self):
        self._metas = {}

    def _get_metas(self, name):
        if name not in self._metas:
            self._metas[name] = {}
        return self._metas[name]

    def set(self, name, subject, value):
        metas = self._get_metas(name)
        metas[subject] = value

    def unset(self, name, subject):
        metas = self._get_metas(name)
        del(metas[subject])

    def have(self, name, subject):
        metas = self._get_metas(name)
        return subject in metas

    def get(self, name, subject, allow_empty=False, empty_value=None):
        metas = self._get_metas(name)
        try:
            return metas[subject]
        except KeyError:
            if not allow_empty:
                raise
            return empty_value