multivalued_dict.multivalued_dict.__len__() - Code Metrics - Inspection of "Update multivalued_dict.py" - fsssosei/MultivaluedDict - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 9ac6d7...842787 )

by sosei

created 2019-06-13 20:19 UTC

multivalued_dict.multivalued_dict.len() A

↳ Parent: multivalued_dict

Complexity

Conditions

Size

Total Lines	8
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	3
nop	1
dl	0
loc	8
rs	10
c	0
b	0
f	0

from collections import defaultdict
from collections import UserDict
from collections.abc import Iterable
import inspect

START_POS = 'S'
END_POS = 'E'

class MultivaluedDictError(Exception):
    pass
    
class KeyValuePairsError(MultivaluedDictError):
    def __init__(self, list_of_not_kv_pair):
        self.list_of_not_kv_pair = list_of_not_kv_pair
        
    def __repr__(self):
        return f'{list_of_not_kv_pair} does not form a key-value pair. '
    
class multivalued_dict(UserDict):
    '''
        >>> mv_d = multivalued_dict()
        >>> mv_d
        multivalued_dict({})
        
        >>> mv_d = multivalued_dict({'a': 'test-1', 'b': 'test-2', 'c': 'test-3'})
        >>> mv_d
        multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3']})
        
        >>> mv_d = multivalued_dict([['a', 'test-1'], ['b', 'test-2'], ['a', 'test-3']])
        >>> mv_d
        multivalued_dict({'a': ['test-1', 'test-3'], 'b': ['test-2']})
        
        >>> mv_d = multivalued_dict(a = 'test-1', b = 'test-2', c = 'test-3')
        >>> mv_d
        multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3']})
        
        >>> mv_d = multivalued_dict([['a', 'test-1'], ['c', 'test-3']], b = 'test-2')
        >>> mv_d
        multivalued_dict({'a': ['test-1'], 'c': ['test-3'], 'b': ['test-2']})
        
        >>> mv_d0 = multivalued_dict({'a': 'test-1', 'b': 'test-2', 'c': 'test-3'})
        >>> mv_d0
        multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3']})
        >>> mv_d = multivalued_dict(mv_d0)
        >>> mv_d
        multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3']})
    '''
    
    __marker = object()
    
    @staticmethod
    def __is_self(v_self):
        if not multivalued_dict.__is_multivalued_dict__(v_self):
            raise TypeError(f"descriptor '{inspect.currentframe().f_back.f_code.co_name}' requires a 'multivalued_dict' object but received a '{v_self.__class__.__name__}'")
    
    @classmethod
    def __is_multivalued_dict__(cls, x):
        '''
        >>> mv_d = multivalued_dict()
        >>> multivalued_dict.__is_multivalued_dict__(mv_d)
        True
        '''
        return (isinstance(x, cls) or ((True if x.default_factory == type([]) else False) if isinstance(x, defaultdict) else False))
    
    @classmethod
    def fromkeys(cls, iterable, value = None):
        '''
            >>> multivalued_dict.fromkeys(['a', 'b', 'c'])
            multivalued_dict({'a': [None], 'b': [None], 'c': [None]})
            >>> multivalued_dict.fromkeys(['a', 'b', 'c'], 'test')
            multivalued_dict({'a': ['test'], 'b': ['test'], 'c': ['test']})
        '''
        dict_var = dict.fromkeys(iterable, value)
        return cls(dict_var)
    
    def __init__(self, *args, **kwargs):
        '''
            >>> mv_d = multivalued_dict({'a': 'test-1', 'b': 'test-2', 'c': 'test-3'})
            >>> mv_d
            multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3']})
            
            >>> mv_d.__init__({'d': 'test-4'})
            >>> mv_d
            multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3'], 'd': ['test-4']})
            
            >>> multivalued_dict.__init__(mv_d, {'e': 'test-5'})
            >>> mv_d
            multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3'], 'd': ['test-4'], 'e': ['test-5']})
        '''
        multivalued_dict.__is_self(self)
        len_of_args = len(args)
        if len_of_args > 1:
            raise TypeError(f'multivalued_dict expected at most 1 arguments, got {len_of_args}')
        else:
            if 'data' not in self.__dict__:
                self.data = defaultdict(list)
            if len_of_args == 1:
                initial_items = args[0]
                self.update(initial_items)
        if kwargs != dict():
            self.update(kwargs)
    
    def __repr__(self):
        multivalued_dict.__is_self(self)
        return f'multivalued_dict({dict(self.data)})'
    
    def __iter__(self):
        '''
            
        '''
        multivalued_dict.__is_self(self)
        return self.data.__iter__()
    
    def __len__(self):
        '''
            >>> mv_d = multivalued_dict([['a', 'test-1'], ['a', 'test-2'], ['a', 'test-3'], ['b', 'test-4']])
            >>> mv_d.__len__()
            2
        '''
        multivalued_dict.__is_self(self)
        return self.data.__len__()
    
    def __lenvalue__(self, key = None):
        '''
            >>> mv_d = multivalued_dict([['a', 1], ['a', 2], ['a', 3], ['b', 1], ['b', 2], ['c', 1]])
            >>> mv_d.__lenvalue__()
            6
            >>> mv_d.__lenvalue__('a')
            3
        '''
        multivalued_dict.__is_self(self)
        if key == None:
            return sum(map(len, self.data.values()))
        else:
            return len(self.data[key])
    
    def __getitem__(self, key):
        '''
            >>> mv_d = multivalued_dict({'a': 'test-1', 'b': 'test-2', 'c': 'test-3'})
            >>> mv_d['a']
            ['test-1']
        '''
        multivalued_dict.__is_self(self)
        if key in self.data:
            return self.data[key]
        else:
            raise KeyError(key)
    
    def __matchkv__(self, key, value):
        '''
            >>> mv_d = multivalued_dict([['a', 1], ['a', 2], ['a', 3], ['b', 1], ['b', 2], ['c', 1]])
            >>> mv_d.__matchkv__('b', 3)
            False
            >>> mv_d.__matchkv__('a', 2)
            True
            >>> mv_d.__matchkv__('d', 1)
            False
        '''
        multivalued_dict.__is_self(self)
        return value in self.data[key]
    
    def __eq__(self, other):
        '''
            >>> mv_d = multivalued_dict({'a': 'test-1', 'b': 'test-2', 'c': 'test-3'})
            >>> mv_d
            multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3']})
            >>> mv_d == {'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3']}
            True
            >>> mv_d == {'a': ['test-1'], 'b': ['test-2'], 'c': ['test-0']}
            False
        '''
        multivalued_dict.__is_self(self)
        return self.data.__eq__(other)
    
    def __contains__(self, key):
        '''
            >>> mv_d = multivalued_dict({'a': 'test-1', 'b': 'test-2', 'c': 'test-3'})
            >>> mv_d
            multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3']})
            >>> 'a' in mv_d
            True
            >>> 'd' in mv_d
            False
        '''
        multivalued_dict.__is_self(self)
        return self.data.__contains__(key)
    
    def __delkv__(self, key, value, allkv = True, direction = START_POS):
        '''
            >>> mv_d = multivalued_dict([['a', 'x'], ['a', 'y'], ['a', 'z'], ['a', 'y'], ['a', 'z'], ['a', 'y']])
            >>> mv_d
            multivalued_dict({'a': ['x', 'y', 'z', 'y', 'z', 'y']})
            
            >>> mv_d.__delkv__('a', 'y', False)
            >>> mv_d
            multivalued_dict({'a': ['x', 'z', 'y', 'z', 'y']})
            
            >>> mv_d.__delkv__('a', 'y', False, END_POS)
            >>> mv_d
            multivalued_dict({'a': ['x', 'z', 'y', 'z']})
            
            >>> mv_d.__delkv__('a', 'z')
            >>> mv_d
            multivalued_dict({'a': ['x', 'y']})
        '''
        multivalued_dict.__is_self(self)
        assert allkv in (True, False), '"allkv" can only be True or False'
        assert direction in (START_POS, END_POS), '"direction" can only be START_POS or END_POS'
        
        if allkv:
            while value in self.data[key]:
                self.data[key].remove(value)
        else:
            if direction == START_POS:
                self.data[key].remove(value)
            elif direction == END_POS:
                value_len = len(self.data[key])
                for i in range(value_len):
                    if self.data[key][-1 - i] == value:
                        self.data[key].__delitem__(-1 - i)
                        break
    
    def __delitem__(self, key):
        '''
            >>> mv_d = multivalued_dict({'a': 'test-1', 'b': 'test-2', 'c': 'test-3'})
            >>> mv_d.__delitem__('b')
            >>> mv_d
            multivalued_dict({'a': ['test-1'], 'c': ['test-3']})
        '''
        multivalued_dict.__is_self(self)
        self.data.__delitem__(key)
        
    def __setitem__(self, key, item):
        '''
            >>> mv_d = multivalued_dict([['a', 'test-1'], ['a', 'test-2'], ['a', 'test-3'], ['b', 'test-4']])
            >>> mv_d
            multivalued_dict({'a': ['test-1', 'test-2', 'test-3'], 'b': ['test-4']})
            
            >>> mv_d.__setitem__('c', 'test-5')
            >>> mv_d
            multivalued_dict({'a': ['test-1', 'test-2', 'test-3'], 'b': ['test-4'], 'c': ['test-5']})
            
            >>> mv_d.__setitem__('a', 'test-0')
            >>> mv_d
            multivalued_dict({'a': ['test-0'], 'b': ['test-4'], 'c': ['test-5']})
        '''
        multivalued_dict.__is_self(self)
        self.data.__setitem__(key, [item])
    
    def get(self, key, default = None):
        '''
            >>> mv_d = multivalued_dict({'a': 'test-1', 'b': 'test-2', 'c': 'test-3'})
            >>> mv_d.get('a')
            ['test-1']
            >>> mv_d.get('d')
            [None]
        '''
        multivalued_dict.__is_self(self)
        return self.data.get(key, [default])
    
    def count(self, key, value):
        '''
            >>> mv_d = multivalued_dict([['a', 'x'], ['a', 'y'], ['a', 'y'], ['a', 'z'], ['a', 'z'], ['a', 'z']])
            >>> mv_d.count('a', 'y')
            2
        '''
        multivalued_dict.__is_self(self)
        return self.data[key].count(value)
    
    def update(self, *args, **kwargs):
        '''
            >>> mv_d = multivalued_dict()
            >>> mv_d
            multivalued_dict({})
            
            >>> mv_d.update({'a': 'test-1', 'b': 'test-2', 'c': 'test-3'})
            >>> mv_d
            multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3']})
            
            >>> mv_d.update([['a', 'test-4'], ['a', 'test-5']])
            >>> mv_d
            multivalued_dict({'a': ['test-1', 'test-4', 'test-5'], 'b': ['test-2'], 'c': ['test-3']})
            
            >>> mv_d.update(c = 'test-3')
            >>> mv_d
            multivalued_dict({'a': ['test-1', 'test-4', 'test-5'], 'b': ['test-2'], 'c': ['test-3', 'test-3']})
            
            >>> mv_d.update([['b', 'test-6'], ['c', 'test-7']], a = 'test-8')
            >>> mv_d
            multivalued_dict({'a': ['test-1', 'test-4', 'test-5', 'test-8'], 'b': ['test-2', 'test-6'], 'c': ['test-3', 'test-3', 'test-7']})
            
            >>> mv_d.update(multivalued_dict({'d': 'test-9', 'e': 'test-10'}))
            >>> mv_d
            multivalued_dict({'a': ['test-1', 'test-4', 'test-5', 'test-8'], 'b': ['test-2', 'test-6'], 'c': ['test-3', 'test-3', 'test-7'], 'd': ['test-9'], 'e': ['test-10']})
        '''
        multivalued_dict.__is_self(self)
        len_of_args = len(args)
        if len_of_args > 1:
            raise TypeError(f'multivalued_dict expected at most 1 arguments, got {len_of_args}')
        if len_of_args == 1:
            update_items = args[0]
            if not isinstance(update_items, Iterable):
                raise TypeError(f"'{update_items.__class__.__name__}' object is not iterable")
            if multivalued_dict.__is_multivalued_dict__(update_items):
                for _key, _value in update_items.items():
                    self.data[_key].extend(_value)
            elif isinstance(update_items, dict):
                for _key, _value in update_items.items():
                    self.data[_key].append(_value)
            else:
                i = 0
                for item in update_items:
                    if not isinstance(item, Iterable):
                        raise TypeError(f'cannot convert dictionary update sequence element #{i} to a sequence')
                    if len(item) != 2:
                        raise ValueError(f'dictionary update sequence element #{i} has length {len(item)}; 2 is required')
                    _key, _value = item
                    self.data[_key].append(_value)
                    i += 1
        if kwargs != dict():
            self.update(kwargs)
    
    def setdefault(self, key, default = None):
        '''
            
        '''
        multivalued_dict.__is_self(self)
        return self.data.setdefault(key, [default])
        
    def pop(self, key, default=__marker):
        '''
            
        '''
        multivalued_dict.__is_self(self)
        if default is self.__marker:
            return self.data.pop(key)
        else:
            return self.data.pop(key, [default])
    
    def popitem(self):
        '''
            
        '''
        multivalued_dict.__is_self(self)
        return self.data.popitem()
    
    def copy(self):
        '''
            
        '''
        multivalued_dict.__is_self(self)
        return multivalued_dict(self.data)
    
    def clear(self):
        '''
            
        '''
        multivalued_dict.__is_self(self)
        return self.data.clear()
    
    def items(self):
        '''
            
        '''
        multivalued_dict.__is_self(self)
        return self.data.items()
    
    def keys(self):
        '''
            
        '''
        multivalued_dict.__is_self(self)
        return self.data.keys()
    
    def values(self):
        '''
            
        '''
        multivalued_dict.__is_self(self)
        return self.data.values()
    
    def reverse(self, key):
        '''
            
        '''
        multivalued_dict.__is_self(self)
        self.data[key].reverse()


1			from collections import defaultdict
2			from collections import UserDict
3			from collections.abc import Iterable
4			import inspect
5
6			START_POS = 'S'
7			END_POS = 'E'
8
9			class MultivaluedDictError(Exception):
10			pass
11
12			class KeyValuePairsError(MultivaluedDictError):
13			def __init__(self, list_of_not_kv_pair):
14			self.list_of_not_kv_pair = list_of_not_kv_pair
15
16			def __repr__(self):
17			return f'{list_of_not_kv_pair} does not form a key-value pair. '
18
19			class multivalued_dict(UserDict):
20			'''
21			>>> mv_d = multivalued_dict()
22			>>> mv_d
23			multivalued_dict({})
24
25			>>> mv_d = multivalued_dict({'a': 'test-1', 'b': 'test-2', 'c': 'test-3'})
26			>>> mv_d
27			multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3']})
28
29			>>> mv_d = multivalued_dict([['a', 'test-1'], ['b', 'test-2'], ['a', 'test-3']])
30			>>> mv_d
31			multivalued_dict({'a': ['test-1', 'test-3'], 'b': ['test-2']})
32
33			>>> mv_d = multivalued_dict(a = 'test-1', b = 'test-2', c = 'test-3')
34			>>> mv_d
35			multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3']})
36
37			>>> mv_d = multivalued_dict([['a', 'test-1'], ['c', 'test-3']], b = 'test-2')
38			>>> mv_d
39			multivalued_dict({'a': ['test-1'], 'c': ['test-3'], 'b': ['test-2']})
40
41			>>> mv_d0 = multivalued_dict({'a': 'test-1', 'b': 'test-2', 'c': 'test-3'})
42			>>> mv_d0
43			multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3']})
44			>>> mv_d = multivalued_dict(mv_d0)
45			>>> mv_d
46			multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3']})
47			'''
48
49			__marker = object()
50
51			@staticmethod
52			def __is_self(v_self):
53			if not multivalued_dict.__is_multivalued_dict__(v_self):
54			raise TypeError(f"descriptor '{inspect.currentframe().f_back.f_code.co_name}' requires a 'multivalued_dict' object but received a '{v_self.__class__.__name__}'")
55
56			@classmethod
57			def __is_multivalued_dict__(cls, x):
58			'''
59			>>> mv_d = multivalued_dict()
60			>>> multivalued_dict.__is_multivalued_dict__(mv_d)
61			True
62			'''
63			return (isinstance(x, cls) or ((True if x.default_factory == type([]) else False) if isinstance(x, defaultdict) else False))
64
65			@classmethod
66			def fromkeys(cls, iterable, value = None):
67			'''
68			>>> multivalued_dict.fromkeys(['a', 'b', 'c'])
69			multivalued_dict({'a': [None], 'b': [None], 'c': [None]})
70			>>> multivalued_dict.fromkeys(['a', 'b', 'c'], 'test')
71			multivalued_dict({'a': ['test'], 'b': ['test'], 'c': ['test']})
72			'''
73			dict_var = dict.fromkeys(iterable, value)
74			return cls(dict_var)
75
76			def __init__(self, args, *kwargs):
77			'''
78			>>> mv_d = multivalued_dict({'a': 'test-1', 'b': 'test-2', 'c': 'test-3'})
79			>>> mv_d
80			multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3']})
81
82			>>> mv_d.__init__({'d': 'test-4'})
83			>>> mv_d
84			multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3'], 'd': ['test-4']})
85
86			>>> multivalued_dict.__init__(mv_d, {'e': 'test-5'})
87			>>> mv_d
88			multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3'], 'd': ['test-4'], 'e': ['test-5']})
89			'''
90			multivalued_dict.__is_self(self)
91			len_of_args = len(args)
92			if len_of_args > 1:
93			raise TypeError(f'multivalued_dict expected at most 1 arguments, got {len_of_args}')
94			else:
95			if 'data' not in self.__dict__:
96			self.data = defaultdict(list)
97			if len_of_args == 1:
98			initial_items = args[0]
99			self.update(initial_items)
100			if kwargs != dict():
101			self.update(kwargs)
102
103			def __repr__(self):
104			multivalued_dict.__is_self(self)
105			return f'multivalued_dict({dict(self.data)})'
106
107			def __iter__(self):
108			'''
109
110			'''
111			multivalued_dict.__is_self(self)
112			return self.data.__iter__()
113
114			def __len__(self):
115			'''
116			>>> mv_d = multivalued_dict([['a', 'test-1'], ['a', 'test-2'], ['a', 'test-3'], ['b', 'test-4']])
117			>>> mv_d.__len__()
118			2
119			'''
120			multivalued_dict.__is_self(self)
121			return self.data.__len__()
122
123			def __lenvalue__(self, key = None):
124			'''
125			>>> mv_d = multivalued_dict([['a', 1], ['a', 2], ['a', 3], ['b', 1], ['b', 2], ['c', 1]])
126			>>> mv_d.__lenvalue__()
127			6
128			>>> mv_d.__lenvalue__('a')
129			3
130			'''
131			multivalued_dict.__is_self(self)
132			if key == None:
133			return sum(map(len, self.data.values()))
134			else:
135			return len(self.data[key])
136
137			def __getitem__(self, key):
138			'''
139			>>> mv_d = multivalued_dict({'a': 'test-1', 'b': 'test-2', 'c': 'test-3'})
140			>>> mv_d['a']
141			['test-1']
142			'''
143			multivalued_dict.__is_self(self)
144			if key in self.data:
145			return self.data[key]
146			else:
147			raise KeyError(key)
148
149			def __matchkv__(self, key, value):
150			'''
151			>>> mv_d = multivalued_dict([['a', 1], ['a', 2], ['a', 3], ['b', 1], ['b', 2], ['c', 1]])
152			>>> mv_d.__matchkv__('b', 3)
153			False
154			>>> mv_d.__matchkv__('a', 2)
155			True
156			>>> mv_d.__matchkv__('d', 1)
157			False
158			'''
159			multivalued_dict.__is_self(self)
160			return value in self.data[key]
161
162			def __eq__(self, other):
163			'''
164			>>> mv_d = multivalued_dict({'a': 'test-1', 'b': 'test-2', 'c': 'test-3'})
165			>>> mv_d
166			multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3']})
167			>>> mv_d == {'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3']}
168			True
169			>>> mv_d == {'a': ['test-1'], 'b': ['test-2'], 'c': ['test-0']}
170			False
171			'''
172			multivalued_dict.__is_self(self)
173			return self.data.__eq__(other)
174
175			def __contains__(self, key):
176			'''
177			>>> mv_d = multivalued_dict({'a': 'test-1', 'b': 'test-2', 'c': 'test-3'})
178			>>> mv_d
179			multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3']})
180			>>> 'a' in mv_d
181			True
182			>>> 'd' in mv_d
183			False
184			'''
185			multivalued_dict.__is_self(self)
186			return self.data.__contains__(key)
187
188			def __delkv__(self, key, value, allkv = True, direction = START_POS):
189			'''
190			>>> mv_d = multivalued_dict([['a', 'x'], ['a', 'y'], ['a', 'z'], ['a', 'y'], ['a', 'z'], ['a', 'y']])
191			>>> mv_d
192			multivalued_dict({'a': ['x', 'y', 'z', 'y', 'z', 'y']})
193
194			>>> mv_d.__delkv__('a', 'y', False)
195			>>> mv_d
196			multivalued_dict({'a': ['x', 'z', 'y', 'z', 'y']})
197
198			>>> mv_d.__delkv__('a', 'y', False, END_POS)
199			>>> mv_d
200			multivalued_dict({'a': ['x', 'z', 'y', 'z']})
201
202			>>> mv_d.__delkv__('a', 'z')
203			>>> mv_d
204			multivalued_dict({'a': ['x', 'y']})
205			'''
206			multivalued_dict.__is_self(self)
207			assert allkv in (True, False), '"allkv" can only be True or False'
208			assert direction in (START_POS, END_POS), '"direction" can only be START_POS or END_POS'
209
210			if allkv:
211			while value in self.data[key]:
212			self.data[key].remove(value)
213			else:
214			if direction == START_POS:
215			self.data[key].remove(value)
216			elif direction == END_POS:
217			value_len = len(self.data[key])
218			for i in range(value_len):
219			if self.data[key][-1 - i] == value:
220			self.data[key].__delitem__(-1 - i)
221			break
222
223			def __delitem__(self, key):
224			'''
225			>>> mv_d = multivalued_dict({'a': 'test-1', 'b': 'test-2', 'c': 'test-3'})
226			>>> mv_d.__delitem__('b')
227			>>> mv_d
228			multivalued_dict({'a': ['test-1'], 'c': ['test-3']})
229			'''
230			multivalued_dict.__is_self(self)
231			self.data.__delitem__(key)
232
233			def __setitem__(self, key, item):
234			'''
235			>>> mv_d = multivalued_dict([['a', 'test-1'], ['a', 'test-2'], ['a', 'test-3'], ['b', 'test-4']])
236			>>> mv_d
237			multivalued_dict({'a': ['test-1', 'test-2', 'test-3'], 'b': ['test-4']})
238
239			>>> mv_d.__setitem__('c', 'test-5')
240			>>> mv_d
241			multivalued_dict({'a': ['test-1', 'test-2', 'test-3'], 'b': ['test-4'], 'c': ['test-5']})
242
243			>>> mv_d.__setitem__('a', 'test-0')
244			>>> mv_d
245			multivalued_dict({'a': ['test-0'], 'b': ['test-4'], 'c': ['test-5']})
246			'''
247			multivalued_dict.__is_self(self)
248			self.data.__setitem__(key, [item])
249
250			def get(self, key, default = None):
251			'''
252			>>> mv_d = multivalued_dict({'a': 'test-1', 'b': 'test-2', 'c': 'test-3'})
253			>>> mv_d.get('a')
254			['test-1']
255			>>> mv_d.get('d')
256			[None]
257			'''
258			multivalued_dict.__is_self(self)
259			return self.data.get(key, [default])
260
261			def count(self, key, value):
262			'''
263			>>> mv_d = multivalued_dict([['a', 'x'], ['a', 'y'], ['a', 'y'], ['a', 'z'], ['a', 'z'], ['a', 'z']])
264			>>> mv_d.count('a', 'y')
265			2
266			'''
267			multivalued_dict.__is_self(self)
268			return self.data[key].count(value)
269
270			def update(self, args, *kwargs):
271			'''
272			>>> mv_d = multivalued_dict()
273			>>> mv_d
274			multivalued_dict({})
275
276			>>> mv_d.update({'a': 'test-1', 'b': 'test-2', 'c': 'test-3'})
277			>>> mv_d
278			multivalued_dict({'a': ['test-1'], 'b': ['test-2'], 'c': ['test-3']})
279
280			>>> mv_d.update([['a', 'test-4'], ['a', 'test-5']])
281			>>> mv_d
282			multivalued_dict({'a': ['test-1', 'test-4', 'test-5'], 'b': ['test-2'], 'c': ['test-3']})
283
284			>>> mv_d.update(c = 'test-3')
285			>>> mv_d
286			multivalued_dict({'a': ['test-1', 'test-4', 'test-5'], 'b': ['test-2'], 'c': ['test-3', 'test-3']})
287
288			>>> mv_d.update([['b', 'test-6'], ['c', 'test-7']], a = 'test-8')
289			>>> mv_d
290			multivalued_dict({'a': ['test-1', 'test-4', 'test-5', 'test-8'], 'b': ['test-2', 'test-6'], 'c': ['test-3', 'test-3', 'test-7']})
291
292			>>> mv_d.update(multivalued_dict({'d': 'test-9', 'e': 'test-10'}))
293			>>> mv_d
294			multivalued_dict({'a': ['test-1', 'test-4', 'test-5', 'test-8'], 'b': ['test-2', 'test-6'], 'c': ['test-3', 'test-3', 'test-7'], 'd': ['test-9'], 'e': ['test-10']})
295			'''
296			multivalued_dict.__is_self(self)
297			len_of_args = len(args)
298			if len_of_args > 1:
299			raise TypeError(f'multivalued_dict expected at most 1 arguments, got {len_of_args}')
300			if len_of_args == 1:
301			update_items = args[0]
302			if not isinstance(update_items, Iterable):
303			raise TypeError(f"'{update_items.__class__.__name__}' object is not iterable")
304			if multivalued_dict.__is_multivalued_dict__(update_items):
305			for _key, _value in update_items.items():
306			self.data[_key].extend(_value)
307			elif isinstance(update_items, dict):
308			for _key, _value in update_items.items():
309			self.data[_key].append(_value)
310			else:
311			i = 0
312			for item in update_items:
313			if not isinstance(item, Iterable):
314			raise TypeError(f'cannot convert dictionary update sequence element #{i} to a sequence')
315			if len(item) != 2:
316			raise ValueError(f'dictionary update sequence element #{i} has length {len(item)}; 2 is required')
317			_key, _value = item
318			self.data[_key].append(_value)
319			i += 1
320			if kwargs != dict():
321			self.update(kwargs)
322
323			def setdefault(self, key, default = None):
324			'''
325
326			'''
327			multivalued_dict.__is_self(self)
328			return self.data.setdefault(key, [default])
329
330			def pop(self, key, default=__marker):
331			'''
332
333			'''
334			multivalued_dict.__is_self(self)
335			if default is self.__marker:
336			return self.data.pop(key)
337			else:
338			return self.data.pop(key, [default])
339
340			def popitem(self):
341			'''
342
343			'''
344			multivalued_dict.__is_self(self)
345			return self.data.popitem()
346
347			def copy(self):
348			'''
349
350			'''
351			multivalued_dict.__is_self(self)
352			return multivalued_dict(self.data)
353
354			def clear(self):
355			'''
356
357			'''
358			multivalued_dict.__is_self(self)
359			return self.data.clear()
360
361			def items(self):
362			'''
363
364			'''
365			multivalued_dict.__is_self(self)
366			return self.data.items()
367
368			def keys(self):
369			'''
370
371			'''
372			multivalued_dict.__is_self(self)
373			return self.data.keys()
374
375			def values(self):
376			'''
377
378			'''
379			multivalued_dict.__is_self(self)
380			return self.data.values()
381
382			def reverse(self, key):
383			'''
384
385			'''
386			multivalued_dict.__is_self(self)
387			self.data[key].reverse()
388

fsssosei / MultivaluedDict

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