尝试使用 virtualenv 15.0.2 设置虚拟环境时收到以下错误消息，但收到 OSError setuptools pip wheel failed with error code 1。

New python executable in /Users/nathmorissette/projects/tutorial/venv/bin/python
Installing setuptools, pip, wheel...
  Complete output from command /Users/nathmorissett...rial/venv/bin/python - setuptools pip wheel:
  Traceback (most recent call last):
  File "<stdin>", line 4, in <module>
  File "/Users/nathmorissette/miniconda2/lib/python2.7/tempfile.py", line 32, in <module>
    import io as _io
  File "/Users/nathmorissette/miniconda2/lib/python2.7/io.py", line 51, in <module>
    import _io
ImportError: dlopen(/Users/nathmorissette/projects/tutorial/venv/lib/python2.7/lib-dynload/_io.so, 2): Symbol not found: __PyCodecInfo_GetIncrementalDecoder
  Referenced from: /Users/nathmorissette/projects/tutorial/venv/lib/python2.7/lib-dynload/_io.so
  Expected in: dynamic lookup

----------------------------------------
...Installing setuptools, pip, wheel...done.
Traceback (most recent call last):
  File "/Users/nathmorissette/miniconda2/bin/virtualenv", line 9, in <module>
    load_entry_point('virtualenv==15.0.2', 'console_scripts', 'virtualenv')()
  File "/Users/nathmorissette/miniconda2/lib/python2.7/site-packages/virtualenv-15.0.2-py2.7.egg/virtualenv.py", line 711, in main
    symlink=options.symlink)
  File "/Users/nathmorissette/miniconda2/lib/python2.7/site-packages/virtualenv-15.0.2-py2.7.egg/virtualenv.py", line 944, in create_environment
    download=download,
  File "/Users/nathmorissette/miniconda2/lib/python2.7/site-packages/virtualenv-15.0.2-py2.7.egg/virtualenv.py", line 900, in install_wheel
    call_subprocess(cmd, show_stdout=False, extra_env=env, stdin=SCRIPT)
  File "/Users/nathmorissette/miniconda2/lib/python2.7/site-packages/virtualenv-15.0.2-py2.7.egg/virtualenv.py", line 795, in call_subprocess
    % (cmd_desc, proc.returncode))
OSError: Command /Users/nathmorissett...rial/venv/bin/python - setuptools pip wheel failed with error code 1

关于如何解决这个问题有什么想法吗？

最佳答案

我尝试了几个小时，阅读了很多帖子，终于找到了出路。

pip 卸载 virtualenv conda 安装虚拟环境

原因是pip安装的virtualenv与conda不兼容。 我不知道更多细节，但它对我有用。

关于python - Virtualenv OSError - setuptools pip wheel 失败，错误代码为 1，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/37637872/