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

38
def has_key(key, keys):
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    for k in keys:
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        if k['id'] == key:
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            return True
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    return False

21
def has_key(self, key):
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    try:
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        value = self[key]
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    except KeyError:
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        return False
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    return True

133
def _check_key_exists(d: dict, key: object, custom_exception=None) -> None:
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    """ Check if a key exists inside a dictionary. Otherwise, raise KeyError or a custom exception. """
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    try:
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        d[key]
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    except KeyError:
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        if custom_exception:
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            raise custom_exception
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        else:
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            raise KeyError

359
def __contains__(self, key):
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    for i in self.value:
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        try:
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            if i.tag == key:
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                return True
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        except AttributeError:
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            # not a list of nodes
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            return False
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    return False

53
def __contains__(self, key):
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    return str(key) in self.data

113
def __contains__(self, key):
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    """check if the key exists"""
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    return key in self.data

27
def __contains__(self, key):
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    return self.has_key(key)

84
def __contains__(self, key):
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  if '.' not in key:
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    return dict.__contains__(self, key)
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  myKey, restOfKey = key.split('.', 1)
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  if myKey in self:
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    target = dict.__getitem__(self, myKey)
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  else:
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    return False
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  if not isinstance(target, dotdict):
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    return False
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  return restOfKey in target

26
def has_key(self, key):
27
    return super(CaseInsensitiveDict, self).has_key(self.__class__._k(key))

114
def __contains__(self, k):
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    """ >>> b = Bunch(ponies='are pretty!')
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        >>> 'ponies' in b
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        True
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        >>> 'foo' in b
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        False
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        >>> b['foo'] = 42
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        >>> 'foo' in b
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        True
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        >>> b.hello = 'hai'
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        >>> 'hello' in b
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        True
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        >>> b[None] = 123
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        >>> None in b
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        True
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        >>> b[False] = 456
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        >>> False in b
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        True
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    """
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    try:
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        return dict.__contains__(self, k) or hasattr(self, k)
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    except:
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        return False