Detail: MemoryDisplay: Constructor¶

MemoryDisplay.__init__(frame)[source]¶

Initialize an instance with a Frame of byte counts.

>>> f = sf.Frame.from_fields(((10, 2, 8, 3), (False, True, True, False), ('1517-01-01', '1517-04-01', '1517-12-31', '1517-06-30')), columns=('a', 'b', 'c'), dtypes=dict(c=np.datetime64), name='x')
>>> f.memory
        L    Lu    LM   LMu   LMD  LMDu  R     Ru    RM   RMu   RMD  RMDu
Name    50   B     50   B     50   B     50    B     50   B     50   B
Index   216  B     232  B     120  B     8.3   KB    264  B     152  B
Columns 764  B     796  B     572  B     8.84  KB    820  B     596  B
Blocks  1.4  KB    1.45 KB    1.12 KB    1.4   KB    1.45 KB    1.12 KB
Total   2.44 KB    2.53 KB    1.88 KB    10.53 KB    2.59 KB    1.93 KB

classmethod MemoryDisplay.from_any(obj, label_component_pairs=())[source]¶

Given any slotted object, return a MemoryDisplay instance.

>>> f = sf.Frame.from_fields(((10, 2, 8, 3), (False, True, True, False), ('1517-01-01', '1517-04-01', '1517-12-31', '1517-06-30')), columns=('a', 'b', 'c'), dtypes=dict(c=np.datetime64), name='x')
>>> sf.MemoryDisplay.from_any(f.index)
      L   Lu    LM  LMu   LMD LMDu  R   Ru    RM  RMu   RMD RMDu
Total 216 B     232 B     120 B     8.3 KB    264 B     152 B

MemoryDisplay: Constructor | Exporter | Display