moorepants
commented
2 months ago Code from the attached file:
Exception in thread Thread-5 (_readerthread):
Traceback (most recent call last):
File "c:\Users\Peter\anaconda3\envs\math\Lib\threading.py", line 1038, in _bootstrap_inner
self.run()
File "c:\Users\Peter\anaconda3\envs\math\Lib\threading.py", line 975, in run
self._target(*self._args, **self._kwargs)
File "c:\Users\Peter\anaconda3\envs\math\Lib\subprocess.py", line 1597, in _readerthread
buffer.append(fh.read())
^^^^^^^^^
File "<frozen codecs>", line 322, in decode
UnicodeDecodeError: 'utf-8' codec can't decode byte 0x94 in position 419: invalid start byte
---------------------------------------------------------------------------
ModuleNotFoundError Traceback (most recent call last)
File c:\Users\Peter\anaconda3\envs\math\Lib\site-packages\opty\utils.py:654, in ufuncify_matrix(args, expr, const, tmp_dir, parallel, show_compile_output)
653 try:
--> 654 cython_module = importlib.import_module(d['file_prefix'])
655 except ImportError as error:
File c:\Users\Peter\anaconda3\envs\math\Lib\importlib\__init__.py:126, in import_module(name, package)
125 level += 1
--> 126 return _bootstrap._gcd_import(name[level:], package, level)
File <frozen importlib._bootstrap>:1204, in _gcd_import(name, package, level)
File <frozen importlib._bootstrap>:1176, in _find_and_load(name, import_)
File <frozen importlib._bootstrap>:1140, in _find_and_load_unlocked(name, import_)
ModuleNotFoundError: No module named 'ufuncify_matrix_0'
The above exception was the direct cause of the following exception:
ImportError Traceback (most recent call last)
Cell In[1], line 575
556 bounds = {
557 q1: (-(crank_revs + 2)*2*np.pi, 0.0), # can only pedal forward
558 # ankle angle, q3=-105 deg: ankle maximally plantar flexed, q3=-30 deg:
(...)
569 h: (0.0, 0.1),
570 }
572 # %
573 # Instantiate the Optimal Control Problem
574 # =======================================
--> 575 problem = Problem(
576 obj,
577 gradient,
578 eom,
579 state_vars,
580 num_nodes,
581 h,
582 known_parameter_map=par_map,
583 instance_constraints=instance_constraints,
584 bounds=bounds,
585 )
586 problem.add_option('nlp_scaling_method', 'gradient-based')
587 problem.add_option('max_iter', 1000)
File c:\Users\Peter\anaconda3\envs\math\Lib\site-packages\opty\direct_collocation.py:53, in _DocInherit.get_with_inst.<locals>.f(*args, **kwargs)
51 @wraps(self.mthd, assigned=('__name__', '__module__'))
52 def f(*args, **kwargs):
---> 53 return self.mthd(obj, *args, **kwargs)
File c:\Users\Peter\anaconda3\envs\math\Lib\site-packages\opty\direct_collocation.py:161, in Problem.__init__(self, obj, obj_grad, equations_of_motion, state_symbols, num_collocation_nodes, node_time_interval, known_parameter_map, known_trajectory_map, instance_constraints, time_symbol, tmp_dir, integration_method, parallel, bounds, show_compile_output)
159 self.obj = obj
160 self.obj_grad = obj_grad
--> 161 self.con = self.collocator.generate_constraint_function()
162 logging.info('Constraint function generated.')
163 self.con_jac = self.collocator.generate_jacobian_function()
File c:\Users\Peter\anaconda3\envs\math\Lib\site-packages\opty\direct_collocation.py:1582, in ConstraintCollocator.generate_constraint_function(self)
1579 """Returns a function which evaluates the constraints given the
1580 array of free optimization variables."""
1581 logging.info('Generating constraint function.')
-> 1582 self._gen_multi_arg_con_func()
1583 return self._wrap_constraint_funcs(self._multi_arg_con_func, 'con')
File c:\Users\Peter\anaconda3\envs\math\Lib\site-packages\opty\direct_collocation.py:1031, in ConstraintCollocator._gen_multi_arg_con_func(self)
1028 adjacent_stop = None
1030 logging.info('Compiling the constraint function.')
-> 1031 f = ufuncify_matrix(args, self.discrete_eom,
1032 const=constant_syms + (h_sym,),
1033 tmp_dir=self.tmp_dir, parallel=self.parallel,
1034 show_compile_output=self.show_compile_output)
1036 def constraints(state_values, specified_values, constant_values,
1037 interval_value):
1038 """Returns a vector of constraint values given all of the
1039 unknowns in the equations of motion over the 2, ..., N time
1040 steps.
(...)
1059
1060 """
File c:\Users\Peter\anaconda3\envs\math\Lib\site-packages\opty\utils.py:659, in ufuncify_matrix(args, expr, const, tmp_dir, parallel, show_compile_output)
655 except ImportError as error:
656 msg = ('Unable to import the compiled Cython module {}, '
657 'compilation likely failed. STDERR output from '
658 'compilation:\n{}')
--> 659 raise ImportError(msg.format(d['file_prefix'],
660 proc.stderr)) from error
661 finally:
662 module_counter += 1
ImportError: Unable to import the compiled Cython module ufuncify_matrix_0, compilation likely failed. STDERR output from compilation:
c:\Users\Peter\anaconda3\envs\math\Lib\site-packages\Cython\Compiler\Main.py:381: FutureWarning: Cython directive 'language_level' not set, using '3str' for now (Py3). This has changed from earlier releases! File: C:\Users\Peter\AppData\Local\Temp\tmpaam_fczo.opty_ufuncify_compile\ufuncify_matrix_0.pyx
tree = Parsing.p_module(s, pxd, full_module_name)
error: command 'C:\\Program Files\\Microsoft Visual Studio\\2022\\Community\\VC\\Tools\\MSVC\\14.38.33130\\bin\\HostX86\\x64\\cl.exe' failed with exit code 2
Peter230655
I downloaded this example, but when I tried to run it, I got the error below. The first part looks like the error in issue 172. Any help is greatly appreciated! 24-06-23 Error.txt