dimod.serialization.coo.load

load(fp: TextIO, cls: None = None, vartype: Vartype | None = None) → BinaryQuadraticModel

Load a binary quadratic model from a COOrdinate-formatted file.

Parameters:

• fp – File pointer to a file opened in read mode.

• cls – Deprecated. Does nothing.

• vartype –

  The valid variable types for binary quadratic models, is one of:

  • SPIN, 'SPIN', {-1, +1}

  • BINARY, 'BINARY', {0, 1}

Examples

>>> from dimod.serialization import coo
>>> with open('my_bqm.txt', 'r') as f:          
...     my_bqm = coo.load(f, vartype=dimod.Vartype.SPIN)

Deprecated since version 0.10.15: The cls keyword will be removed in dimod 0.12.0. It currently does nothing.