Method: RubyPython.generator_type

Defined in:
lib/rubypython/pygenerator.rb

.generator_type ⇒ Object

Creates a Python generator object called rubypython_generator that accepts a callback and yields to it.

Note: This method only exists in the RubyPython if the Fiber exists.



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# File 'lib/rubypython/pygenerator.rb', line 17

def generator_type
  @generator_type ||= lambda do
    code = <<-EOM
def rubypython_generator(callback):
  while True:
    yield callback()
    EOM

    globals = PyObject.new({ "__builtins__" => PyMain.builtin.pObject, })
    empty_hash = PyObject.new({})
    ptr = Python.PyRun_String(code, Python::PY_FILE_INPUT, globals.pointer, empty_hash.pointer)
    ptr = Python.PyRun_String("rubypython_generator", Python::PY_EVAL_INPUT, globals.pointer, empty_hash.pointer)
    raise PythonError.handle_error if PythonError.error?
    RubyPyProxy.new(PyObject.new(ptr))
  end.call
end