Coverage for /scratch/builds/bob/bob.med.tb/miniconda/conda-bld/bob.med.tb_1637571489937/_test_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placeho/lib/python3.8/site-packages/bob/med/tb/data/sample.py: 89%

1from collections.abc import MutableSequence 

2 

3"""Base definition of sample 

4 

5.. todo:: 

6 

7 Copied from bob/bob.pipelines **TEMPORARILY**! Remove this and use the 

8 package directly! 

9 

10""" 

11 

12 

13def _copy_attributes(s, d): 

14 """Copies attributes from a dictionary to self 

15 """ 

16 s.__dict__.update( 

17 dict([k, v] for k, v in d.items() if k not in ("data", "load", "samples")) 

18 ) 

19 

20 

21class DelayedSample: 

22 """Representation of sample that can be loaded via a callable 

23 

24 The optional ``**kwargs`` argument allows you to attach more attributes to 

25 this sample instance. 

26 

27 

28 Parameters 

29 ---------- 

30 

31 load : object 

32 A python function that can be called parameterlessly, to load the 

33 sample in question from whatever medium 

34 

35 parent : :py:class:`DelayedSample`, :py:class:`Sample`, None 

36 If passed, consider this as a parent of this sample, to copy 

37 information 

38 

39 kwargs : dict 

40 Further attributes of this sample, to be stored and eventually 

41 transmitted to transformed versions of the sample 

42 

43 """ 

44 

45 def __init__(self, load, parent=None, **kwargs): 

46 self.load = load 

47 if parent is not None: 

48 _copy_attributes(self, parent.__dict__) 

49 _copy_attributes(self, kwargs) 

50 

51 @property 

52 def data(self): 

53 """Loads the data from the disk file""" 

54 return self.load() 

55 

56 

57class Sample: 

58 """Representation of sample that is sufficient for the blocks in this module 

59 

60 Each sample must have the following attributes: 

61 

62 * attribute ``data``: Contains the data for this sample 

63 

64 

65 Parameters 

66 ---------- 

67 

68 data : object 

69 Object representing the data to initialize this sample with. 

70 

71 parent : object 

72 A parent object from which to inherit all other attributes (except 

73 ``data``) 

74 

75 """ 

76 

77 def __init__(self, data, parent=None, **kwargs): 

78 self.data = data 

79 if parent is not None: 

80 _copy_attributes(self, parent.__dict__) 

81 _copy_attributes(self, kwargs)