Unpack

class dabstract.abstract.abstract.UnpackAbstract(data: dict, keys: List[str])

Bases: dabstract.abstract.abstract.Abstract

The class is an abstract wrapper around a dictionary or DictSeqAbstract to unpack this dictionary in a lazy manner. Unpacking refers to copying the content of the dictionary into a list.

Unpacking is based on the parameter “keys”. For example, consider a Dict or DictSeqAbstract with the following content:

$   data = {'data': [10,5,8],
$           'label': [1,1,2],
$           'other': ['some','other','information']

To index this such that it returns a tuple containing the indexed item of keys ‘data’ and ‘label’, one can do:

$   data_up = UnpackAbstract(data,keys=['data','label'])
$   print(data_up[0])
[10, 1]

To index through the data one could directly use default indexing, i.e. [idx] or use the .get() method.

The UnpackAbstract contains the following methods:

.get - return entry form UnpackAbstract

The full explanation for each method is provided as a docstring at each method.

Parameters

datadict or tvDictSeqAbstract

dictionary or DictSeqAbstract to be unpacked

keysList[str]

list containing the strings that are used as keys

Returns

UnpackAbstract class

get(index: int, return_info: bool = False) → List[Any]

Parameters

indexint

index to retrieve data from

return_infobool

return tuple (data, info) if True else data (default = False) info contains the information that has been propagated through the chain of operations

Returns

———-

List of Any