10 examples of 'python check if dict has key' in Python

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38def has_key(key, keys):
39 for k in keys:
40 if k['id'] == key:
41 return True
42 return False
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21def has_key(self, key):
22 try:
23 value = self[key]
24 except KeyError:
25 return False
26 return True
133def _check_key_exists(d: dict, key: object, custom_exception=None) -> None:
134 """ Check if a key exists inside a dictionary. Otherwise, raise KeyError or a custom exception. """
135 try:
136 d[key]
137 except KeyError:
138 if custom_exception:
139 raise custom_exception
140 else:
141 raise KeyError
359def __contains__(self, key):
360 for i in self.value:
361 try:
362 if i.tag == key:
363 return True
364 except AttributeError:
365 # not a list of nodes
366 return False
367 return False
53def __contains__(self, key):
54 return str(key) in self.data
113def __contains__(self, key):
114 """check if the key exists"""
115 return key in self.data
27def __contains__(self, key):
28 return self.has_key(key)
84def __contains__(self, key):
85 if '.' not in key:
86 return dict.__contains__(self, key)
87 myKey, restOfKey = key.split('.', 1)
88 if myKey in self:
89 target = dict.__getitem__(self, myKey)
90 else:
91 return False
92 if not isinstance(target, dotdict):
93 return False
94 return restOfKey in target
26def has_key(self, key):
27 return super(CaseInsensitiveDict, self).has_key(self.__class__._k(key))
114def __contains__(self, k):
115 """ >>> b = Bunch(ponies='are pretty!')
116 >>> 'ponies' in b
117 True
118 >>> 'foo' in b
119 False
120 >>> b['foo'] = 42
121 >>> 'foo' in b
122 True
123 >>> b.hello = 'hai'
124 >>> 'hello' in b
125 True
126 >>> b[None] = 123
127 >>> None in b
128 True
129 >>> b[False] = 456
130 >>> False in b
131 True
132 """
133 try:
134 return dict.__contains__(self, k) or hasattr(self, k)
135 except:
136 return False

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