相关疑难解决方法(0)

以下问题仅适用于bash和linux:

1. 文件的绝对路径名中的字符数是否有限制？
2. 文件名(没有扩展名)的字符数是否有限制？

如果是这样,这些限制可能是什么？如果它们是系统特定的,我如何访问它们？

我正在使用Windows 10和Python 3.5 64位.并从pip 安装virtualenv.

尝试创建新的虚拟环境时,它会因以下日志记录而失败:

  > virtualenv env1

  Using base prefix 'c:\\program files\\python 3.5'
  New python executable in env1\Scripts\python.exe
  Installing setuptools, pip, wheel...
    Complete output from command E:\vp\env1\Scripts\python.exe -c "import sys, pip; sys...d\"] + sys.argv[1:]))" setuptools pip wheel:
    Ignoring indexes: https://pypi.python.org/simple
  Collecting setuptools
    The repository located at None is not a trusted or secure host and is being ignored. If this repository is available via HTTPS it is recommended to use HTTPS instead, otherwise you may silence …