I hope to initialize class MyProblem with bounds in arguments, not assign values directly in init(self, dim) like examples. The codes below is wrong, and the error messages is at the end.
from PyGMO.problem import base
class MyProblem(base):
"""Defined problem needed by PyGMO
MyProblem(forward, lower_bound, upper_bound)
forward: a instance of class Forward.(Forward is a class about the fitness function)
lower_bound, upper_bound: bounds of the problem
"""
def __init__(self, forward, lower_bound, upper_bound):
self.forward = forward
dim = forward.nx_ig * forward.ny_ig
super(MyProblem, self).__init__(dim)
self.set_bounds(lower_bound, upper_bound)
def _objfun_impl(self, x):
f = self.foward.get_obj(x)
return (f, )
def human_readable_extra(self):
return "\n\t Problem dimension: " + str(self.__dim)Traceback (most recent call last):
File "/usr/local/bin/ttinv", line 9, in <module>
load_entry_point('islandopt', 'console_scripts', 'ttinv')()
File "/Users/lei/Work/pagmo_fmm/traveltime/command_line.py", line 43, in main
isl = island(algo, prob, num_individual)
File "/usr/local/lib/python3.5/site-packages/PyGMO/core/__init__.py", line 242, in island
return _generic_island_ctor(None, *args, **kwargs)
File "/usr/local/lib/python3.5/site-packages/PyGMO/core/__init__.py", line 132, in _generic_island_ctor
return py_island(*args, **kwargs)
File "/usr/local/lib/python3.5/site-packages/PyGMO/core/__init__.py", line 119, in _generic_island_ctor
super(type(self), self).__init__(*ctor_args)
File "/usr/local/lib/python3.5/site-packages/PyGMO/core/__init__.py", line 48, in __init__
_core._base_island.__init__(self, *args)
File "/usr/local/lib/python3.5/site-packages/PyGMO/problem/_base.py", line 36, in __get_deepcopy__
return deepcopy(self)
File "/usr/local/Cellar/python3/3.5.2_3/Frameworks/Python.framework/Versions/3.5/lib/python3.5/copy.py", line 182, in deepcopy
y = _reconstruct(x, rv, 1, memo)
File "/usr/local/Cellar/python3/3.5.2_3/Frameworks/Python.framework/Versions/3.5/lib/python3.5/copy.py", line 292, in _reconstruct
y = callable(*args)
TypeError: __init__() missing 3 required positional arguments: 'forward', 'lower_bound', and 'upper_bound'
I hope to initialize class MyProblem with bounds in arguments, not assign values directly in init(self, dim) like examples. The codes below is wrong, and the error messages is at the end.