horizonrobotics / cnest

An efficient library providing operators on Python's nested data structures, implemented in C++.

cnest

An efficient library providing operators on Python's nested data structures. It includes C++ implementation of several key nest functions that are performance critical.

This library is developed by Haonan Yu and alf contributors.

cnest's Issues

Failed install on python3.6

Hi there.

I installed a vanilla python3.6.9 environment on ubuntu18.04 docker, and tried to install it manually:

(py36) root@46ec1bda927c:~/cnest# pip install -e .
Obtaining file:///root/cnest
  Installing build dependencies ... done
  Checking if build backend supports build_editable ... done
  Getting requirements to build editable ... done
  Preparing editable metadata (pyproject.toml) ... done
Collecting pybind11<3.0.0,>=2.6.2
  Using cached pybind11-2.9.2-py2.py3-none-any.whl (213 kB)
Building wheels for collected packages: cnest
  Building editable for cnest (pyproject.toml) ... error
  ERROR: Command errored out with exit status 1:
   command: /opt/conda/envs/py36/bin/python /opt/conda/envs/py36/lib/python3.6/site-packages/pip/_vendor/pep517/in_process/_in_process.py build_editable /tmp/tmpmh6dre38
       cwd: /root/cnest
  Complete output (25 lines):
  A setup.py file already exists. Using it.
  Traceback (most recent call last):
    File "/root/cnest/setup.py", line 2, in <module>
      from setuptools import setup
  ModuleNotFoundError: No module named 'setuptools'
  Traceback (most recent call last):
    File "/opt/conda/envs/py36/lib/python3.6/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 363, in <module>
      main()
    File "/opt/conda/envs/py36/lib/python3.6/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 345, in main
      json_out['return_val'] = hook(**hook_input['kwargs'])
    File "/opt/conda/envs/py36/lib/python3.6/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 283, in build_editable
      return hook(wheel_directory, config_settings, metadata_directory)
    File "/tmp/pip-build-env-jdib3oqq/overlay/lib/python3.6/site-packages/poetry/core/masonry/api.py", line 87, in build_editable
      return unicode(WheelBuilder.make_in(poetry, Path(wheel_directory), editable=True))
    File "/tmp/pip-build-env-jdib3oqq/overlay/lib/python3.6/site-packages/poetry/core/masonry/builders/wheel.py", line 78, in make_in
      wb.build()
    File "/tmp/pip-build-env-jdib3oqq/overlay/lib/python3.6/site-packages/poetry/core/masonry/builders/wheel.py", line 112, in build
      self._build(zip_file)
    File "/tmp/pip-build-env-jdib3oqq/overlay/lib/python3.6/site-packages/poetry/core/masonry/builders/wheel.py", line 162, in _build
      self._run_build_command(setup)
    File "/tmp/pip-build-env-jdib3oqq/overlay/lib/python3.6/site-packages/poetry/core/masonry/builders/wheel.py", line 196, in _run_build_command
      str(self._path / "build"),
    File "/opt/conda/envs/py36/lib/python3.6/subprocess.py", line 311, in check_call
      raise CalledProcessError(retcode, cmd)
  subprocess.CalledProcessError: Command '['/opt/conda/envs/py36/bin/python', '/root/cnest/setup.py', 'build', '-b', '/root/cnest/build']' returned non-zero exit status 1.
  ----------------------------------------
  ERROR: Failed building editable for cnest
Failed to build cnest
ERROR: Could not build wheels for cnest, which is required to install pyproject.toml-based projects

It says that setuptools is not installed, but I have it installed for sure.

(py36) root@46ec1bda927c:~/cnest# pip uninstall setuptools
Found existing installation: setuptools 59.6.0
Uninstalling setuptools-59.6.0:
  Would remove:
    /opt/conda/envs/py36/lib/python3.6/site-packages/_distutils_hack/*
    /opt/conda/envs/py36/lib/python3.6/site-packages/distutils-precedence.pth
    /opt/conda/envs/py36/lib/python3.6/site-packages/pkg_resources/*
    /opt/conda/envs/py36/lib/python3.6/site-packages/setuptools-59.6.0.dist-info/*
    /opt/conda/envs/py36/lib/python3.6/site-packages/setuptools/*
Proceed (Y/n)?

I wonder if you ever met this problem or what might be the reason for this?