问题设置一个Virtualenv [英] Problem Setting Up A Virtualenv

问题描述

我正在使用Python 2.6.5在Ubuntu 10.04上设置一个virtualenv，但有一些问题。

I'm trying to set up a virtualenv on Ubuntu 10.04 with Python 2.6.5 but having some issues.

在使用pip安装了virtualenv和virtualenv wrapper之后，我正在运行命令：virtualenv mysite-env --verbose

After having installed virtualenv and virtualenv wrapper with pip, I'm running the command: virtualenv mysite-env --verbose

我收到以下错误：

Creating mysite-env/lib/python2.6
Symlinking Python bootstrap modules
  Symlinking mysite-env/lib/python2.6/lib-dynload
  Symlinking mysite-env/lib/python2.6/config
  Symlinking mysite-env/lib/python2.6/os.py
  Ignoring built-in bootstrap module: posix
  Symlinking mysite-env/lib/python2.6/posixpath.py
  Cannot import bootstrap module: nt
  Symlinking mysite-env/lib/python2.6/ntpath.py
  Symlinking mysite-env/lib/python2.6/genericpath.py
  Symlinking mysite-env/lib/python2.6/fnmatch.py
  Symlinking mysite-env/lib/python2.6/locale.py
  Symlinking mysite-env/lib/python2.6/encodings
  Symlinking mysite-env/lib/python2.6/codecs.py
  Symlinking mysite-env/lib/python2.6/stat.py
  Symlinking mysite-env/lib/python2.6/UserDict.py
  Symlinking mysite-env/lib/python2.6/lib-dynload/readline.so
  Symlinking failed, copying to mysite-env/lib/python2.6/lib-dynload/readline.so
Traceback (most recent call last):
  File "/usr/local/bin/virtualenv", line 9, in <module>
    load_entry_point('virtualenv==1.6.1', 'console_scripts', 'virtualenv')()
  File "/usr/local/lib/python2.6/dist-packages/virtualenv.py", line 795, in main
    never_download=options.never_download)
  File "/usr/local/lib/python2.6/dist-packages/virtualenv.py", line 886, in create_environment
    site_packages=site_packages, clear=clear))
  File "/usr/local/lib/python2.6/dist-packages/virtualenv.py", line 1020, in install_python
    copy_required_modules(home_dir)
  File "/usr/local/lib/python2.6/dist-packages/virtualenv.py", line 974, in copy_required_modules
    copyfile(filename, dst_filename)
  File "/usr/local/lib/python2.6/dist-packages/virtualenv.py", line 414, in copyfile
    copyfileordir(src, dest)
  File "/usr/local/lib/python2.6/dist-packages/virtualenv.py", line 391, in copyfileordir
    shutil.copy2(src, dest)
  File "/usr/lib/python2.6/shutil.py", line 99, in copy2
    copyfile(src, dst)
  File "/usr/lib/python2.6/shutil.py", line 53, in copyfile
    fdst = open(dst, 'wb')
IOError: [Errno 20] Not a directory: 'mysite-env/lib/python2.6/lib-dynload/readline.so'

如果我再次运行，我得到以下内容：

If I run it again, I get the following:

Directory mysite-env/lib/python2.6 already exists
    Symlinking Python bootstrap modules
      Ignoring built-in bootstrap module: posix
      Cannot import bootstrap module: nt
      Symlinking mysite-env/lib/python2.6/lib-dynload/readline.so
      Symlinking mysite-env/lib/python2.6/copy_reg.py
      Symlinking mysite-env/lib/python2.6/types.py
      Symlinking mysite-env/lib/python2.6/re.py
      Symlinking mysite-env/lib/python2.6/sre.py
      Symlinking mysite-env/lib/python2.6/sre_parse.py
      Symlinking mysite-env/lib/python2.6/sre_constants.py
      Symlinking mysite-env/lib/python2.6/sre_compile.py
      Ignoring built-in bootstrap module: zlib
      Symlinking mysite-env/lib/python2.6/warnings.py
      Symlinking mysite-env/lib/python2.6/linecache.py
      Symlinking mysite-env/lib/python2.6/_abcoll.py
      Symlinking mysite-env/lib/python2.6/abc.py
    Creating mysite-env/lib/python2.6/site-packages
    Writing mysite-env/lib/python2.6/site.py
    Writing mysite-env/lib/python2.6/orig-prefix.txt
    Creating parent directories for mysite-env/include
    Symlinking mysite-env/include/python2.6
    Creating mysite-env/bin
    New python executable in mysite-env/bin/python
    Changed mode of mysite-env/bin/python to 0755
    Testing executable with mysite-env/bin/python -c "import sys; print(sys.prefix)"
    ERROR: The executable mysite-env/bin/python is not functioning
    ERROR: It thinks sys.prefix is u'/usr' (should be '/vagrant/mysite-env')
    ERROR: virtualenv is not compatible with this system or executable

任何想法如何解决这个问题？谢谢！

Any ideas how to fix this? Thanks!

推荐答案

似乎已经有一点，因为你问了这个，Virtualbox的/ vagrant的文件驱动目录无法识别virtualenv使用很多的符号链接。

Seems like its been a bit since you asked this. Virtualbox's file driver for the /vagrant directory cannot recognize symbolic links which virtualenv uses a lot.

这可以通过简单的

mybox:/vagrant$ ln -s ~/.bashrc
ln: failed to create symbolic link ./.bashrc': Protocol error`

更新：

由于流氓与符号链接& virtualenv不兼容，我的流氓盒/实例是task / project specific（只有1个virtualenv），所以在vagrant主机端/实例文件夹中我会k eep一个简短的脚本来安装python& virtualenv，然后执行

Because of vagrant's incompatibility with symbolic links & virtualenv, my vagrant boxes/instances were task/project specific ( only 1 virtualenv). So in the vagrant host side/instance folder I would keep a short script to install python & virtualenv, then do

pip install -r /vagrant/requirement

可以在这里找到更多的文档。 https://docs.vagrantup.com/v2/provisioning/basic_usage.html

Further documentation can be found here. https://docs.vagrantup.com/v2/provisioning/basic_usage.html

与适当的bash 如果检查（有python存在，/ home / vagrant / env存在），你可以提供一个盒子，然后附加一个电话来激活你的〜/ env安装，以便登录时，你已经设置好了，准备好了。

with the appropriate bash if checks ( does python exist, does /home/vagrant/env exist ), you can provision your box once and then append a call to activate your ~/env install so that when you login, your already setup and ready to go.

这篇关于问题设置一个Virtualenv的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！