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openai / mujoco-py

MuJoCo is a physics engine for detailed, efficient rigid body simulations with contacts. mujoco-py allows using MuJoCo from Python 3.
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I am unable to import mujoco_py #795

Closed sainavaneet closed 3 months ago

sainavaneet commented 3 months ago

Error Messages

Python 3.8.10 (default, Nov 22 2023, 10:22:35) [GCC 9.4.0] on linux Type "help", "copyright", "credits" or "license" for more information.

import mujoco_py Compiling /home/navaneet/.local/lib/python3.8/site-packages/mujoco_py/cymj.pyx because it changed. [1/1] Cythonizing /home/navaneet/.local/lib/python3.8/site-packages/mujoco_py/cymj.pyx performance hint: .local/lib/python3.8/site-packages/mujoco_py/cymj.pyx:67:5: Exception check on 'c_warning_callback' will always require the GIL to be acquired. Possible solutions:

  1. Declare 'c_warning_callback' as 'noexcept' if you control the definition and you're sure you don't want the function to raise exceptions.
  2. Use an 'int' return type on 'c_warning_callback' to allow an error code to be returned. performance hint: .local/lib/python3.8/site-packages/mujoco_py/cymj.pyx:104:5: Exception check on 'c_error_callback' will always require the GIL to be acquired. Possible solutions:
  3. Declare 'c_error_callback' as 'noexcept' if you control the definition and you're sure you don't want the function to raise exceptions.
  4. Use an 'int' return type on 'c_error_callback' to allow an error code to be returned.

Error compiling Cython file:

... See c_warning_callback, which is the C wrapper to the user defined function ''' global py_warning_callback global mju_user_warning py_warning_callback = warn mju_user_warning = c_warning_callback ^

.local/lib/python3.8/site-packages/mujoco_py/cymj.pyx:92:23: Cannot assign type 'void (const char ) except nogil' to 'void ()(const char ) noexcept nogil'. Exception values are incompatible. Suggest adding 'noexcept' to the type of 'c_warning_callback'.

Error compiling Cython file:

... See c_warning_callback, which is the C wrapper to the user defined function ''' global py_error_callback global mju_user_error py_error_callback = err_callback mju_user_error = c_error_callback ^

.local/lib/python3.8/site-packages/mujoco_py/cymj.pyx:127:21: Cannot assign type 'void (const char ) except nogil' to 'void ()(const char ) noexcept nogil'. Exception values are incompatible. Suggest adding 'noexcept' to the type of 'c_error_callback'. Traceback (most recent call last): File "", line 1, in File "/home/navaneet/.local/lib/python3.8/site-packages/mujoco_py/init.py", line 2, in from mujoco_py.builder import cymj, ignore_mujoco_warnings, functions, MujocoException File "/home/navaneet/.local/lib/python3.8/site-packages/mujoco_py/builder.py", line 504, in cymj = load_cython_ext(mujoco_path) File "/home/navaneet/.local/lib/python3.8/site-packages/mujoco_py/builder.py", line 110, in load_cython_ext cext_so_path = builder.build() File "/home/navaneet/.local/lib/python3.8/site-packages/mujoco_py/builder.py", line 226, in build built_so_file_path = self._build_impl() File "/home/navaneet/.local/lib/python3.8/site-packages/mujoco_py/builder.py", line 296, in _build_impl so_file_path = super()._build_impl() File "/home/navaneet/.local/lib/python3.8/site-packages/mujoco_py/builder.py", line 239, in _build_impl dist.ext_modules = cythonize([self.extension]) File "/usr/local/lib/python3.8/dist-packages/Cython/Build/Dependencies.py", line 1154, in cythonize cythonize_one(*args) File "/usr/local/lib/python3.8/dist-packages/Cython/Build/Dependencies.py", line 1321, in cythonize_one raise CompileError(None, pyx_file) Cython.Compiler.Errors.CompileError: /home/navaneet/.local/lib/python3.8/site-packages/mujoco_py/cymj.pyx

can someone help me

ZimaBlue307 commented 3 months ago

I encounted the same problem, how did you solved it?

skr3178 commented 1 week ago

https://github.com/openai/mujoco-py/issues/291#issuecomment-1738943394