Returns an iterator that returns all key value pairs of a (nested) iterable.

nested_iterator.py

def get_all_key_values(iterable, allow_sub_elements=False):
    
    """Returns an iterator that returns all key value pairs
       of a (nested) iterable. If allow_subdict set to False,
       will return only the subvalues, and not the nested dict
       or list
       
       Arguments:
           - iterable: <list> or <dictionary>
           - allow_subdict : boolean
           
       Returns:
           - <iterator>
    """
  
    if isinstance(iterable, dict):
        for key, value in iterable.items():
            if allow_sub_elements:
                yield (key, value)
            else:
                if not (isinstance(value, dict) or isinstance(value, list)):
                    yield (key,value)
                else:
                    yield (key, None)
            for ret in get_all_key_values(value, allow_sub_elements=allow_sub_elements):
                yield ret
    elif isinstance(iterable, list):
        for el in iterable:
            for ret in get_all_key_values(el, allow_sub_elements=allow_sub_elements):
                yield ret