Module: PyBind::RichComparer

Included in:
PyObjectWrapper
Defined in:
lib/pybind/wrapper/rich_comparer.rb

Constant Summary collapse

Py_LT = 
0
Py_LE = 
1
Py_EQ = 
2
Py_NE = 
3
Py_GT = 
4
Py_GE = 
5
RICH_COMPARISON_OPCODES = 
{
  :<  => Py_LT,
  :<= => Py_LE,
  :== => Py_EQ,
  :!= => Py_NE,
  :>  => Py_GT,
  :>= => Py_GE
}.freeze

Instance Method Summary collapse

Instance Method Details

#__rich_compare__(other, op) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/pybind/wrapper/rich_comparer.rb', line 19

def __rich_compare__(other, op)
  opcode = RICH_COMPARISON_OPCODES[op]
  raise ArgumentError, "Unknown comparison op: #{op}" unless opcode

  other = other.to_python
  return other.null? if @pystruct.null?
  return false if other.null?

  value = LibPython.PyObject_RichCompare(@pystruct, other, opcode)
  raise PyError.fetch if value.null?
  value.to_ruby
end