我已经做了所有内联评论以使我的情况清楚。
我正在尝试创建一个本地虚拟python环境，但没有运气。我使用 - 没有站点包，但仍然可以在本地环境中安装系统范围的包。
我在全球环境中做蛋黄然后我对本地环境结果的蛋黄是一样的。任何见解为什么会发生这种情况？
即使我在本地安装了yolk，它的外观似乎是安装在/usr/local/bin.which是全局的，而不是在我的本地环境中。
ari@awesome:~$ sudo virtualenv python_virt_env/localEnv1 --no-site-packages //I made sure to have clean set up for local env with no system wide packages.
New python executable in python_virt_env/localEnv1/bin/python
Installing setuptools, pip...done.
ari@awesome:~$ sudo source python_virt_env/localEnv1/bin/activate
sudo: source: command not found
ari@awesome:~$ source python_virt_env/localEnv1/bin/activate
(localEnv1)ari@awesome:~$ deactivate
ari@awesome:~$ sudo easy_install yolk // I installed yolk system wide to see system packages
Searching for yolk
Reading https://pypi.python.org/simple/yolk/
Best match: yolk 0.4.3
Downloading https://pypi.python.org/packages/source/y/yolk/yolk-0.4.3.tar.gz#md5=10dfabca7a020058436aec9dbad70123
Processing yolk-0.4.3.tar.gz
Writing /tmp/easy_install-YaODsM/yolk-0.4.3/setup.cfg
Running yolk-0.4.3/setup.py -q bdist_egg --dist-dir /tmp/easy_install-YaODsM/yolk-0.4.3/egg-dist-tmp-Z6MLNg
warning: no files found matching '*.txt' under directory 'tests'
warning: no files found matching '*.conf' under directory 'docs'
warning: no files found matching '*.css_t' under directory 'docs'
warning: no files found matching 'indexsidebar.html' under directory 'docs'
warning: no files found matching 'tests/test_cli.py'
zip_safe flag not set; analyzing archive contents...
Adding yolk 0.4.3 to easy-install.pth file
Installing yolk script to /usr/local/bin //here you can see yolk being installed system wide.
Installed /usr/local/lib/python2.7/dist-packages/yolk-0.4.3-py2.7.egg
Processing dependencies for yolk
Finished processing dependencies for yolk
ari@awesome:~$ yolk -l // now did listing for system wide packages.
GnuPGInterface - 0.3.2 - active
Landscape Client - 14.01 - active
PAM - 0.4.2 - active
Python - 2.7.6 - active development (/usr/lib/python2.7/lib-dynload)
SecretStorage - 2.0.0 - active
Twisted Core - 13.2.0 - active
apt-xapian-index - 0.45 - active
argparse - 1.2.1 - active development (/usr/lib/python2.7)
chardet - 2.0.1 - active
colorama - 0.2.5 - active
configobj - 4.7.2 - active
env - 0.1.0 - active development (/usr/local/lib/python2.7/dist-packages)
html5lib - 0.999 - active
httplib2 - 0.8 - active
iotop - 0.6 - active
keyring - 3.5 - active
launchpadlib - 1.10.2 - active
lazr.restfulclient - 0.13.3 - active
lazr.uri - 1.0.3 - active
oauth - 1.0.1 - active
pip - 1.5.4 - active
pyOpenSSL - 0.13 - active
pycrypto - 2.6.1 - active
PyGObject - 3.12.0 - active
pyserial - 2.6 - active
python-apt - 0.9.3.5 - active
python-debian - 0.1.21-nmu2ubuntu2 - active
requests - 2.2.1 - active
setuptools - 3.3 - active
simplejson - 3.3.1 - active
six - 1.5.2 - active
ssh-import-id - 3.21 - active
urllib3 - 1.7.1 - active
virtualenv 1.11.6 has no metadata
wadllib - 1.3.2 - active
wsgiref - 0.1.2 - active development (/usr/lib/python2.7)
yolk - 0.4.3 - active development (/usr/local/lib/python2.7/dist-packages/yolk-0.4.3-py2.7.egg)
zope.interface - 4.0.5 - active
ari@awesome:~$ source python_virt_env/localEnv1/bin/activate // Now i activated the local env
(localEnv1)ari@awesome:~$ sudo easy_install yolk //locally installed yolk
Searching for yolk
Best match: yolk 0.4.3
Processing yolk-0.4.3-py2.7.egg
yolk 0.4.3 is already the active version in easy-install.pth
Installing yolk script to /usr/local/bin //but still yolk is being installed on global python directory and not in python_virt_env/localEnv1/bin/ why?
Using /usr/local/lib/python2.7/dist-packages/yolk-0.4.3-py2.7.egg
Processing dependencies for yolk
Finished processing dependencies for yolk
(localEnv1)ari@awesome:~$ yolk -l // now i did yolk locally but still it shows all system wide packages.what I am doing wrong here?
GnuPGInterface - 0.3.2 - active
Landscape Client - 14.01 - active
PAM - 0.4.2 - active
Python - 2.7.6 - active development (/usr/lib/python2.7/lib-dynload)
SecretStorage - 2.0.0 - active
Twisted Core - 13.2.0 - active
apt-xapian-index - 0.45 - active
argparse - 1.2.1 - active development (/usr/lib/python2.7)
chardet - 2.0.1 - active
colorama - 0.2.5 - active
configobj - 4.7.2 - active
env - 0.1.0 - active development (/usr/local/lib/python2.7/dist-packages)
html5lib - 0.999 - active
httplib2 - 0.8 - active
iotop - 0.6 - active
keyring - 3.5 - active
launchpadlib - 1.10.2 - active
lazr.restfulclient - 0.13.3 - active
lazr.uri - 1.0.3 - active
oauth - 1.0.1 - active
pip - 1.5.4 - active
pyOpenSSL - 0.13 - active
pycrypto - 2.6.1 - active
PyGObject - 3.12.0 - active
pyserial - 2.6 - active
python-apt - 0.9.3.5 - active
python-debian - 0.1.21-nmu2ubuntu2 - active
requests - 2.2.1 - active
setuptools - 3.3 - active
simplejson - 3.3.1 - active
six - 1.5.2 - active
ssh-import-id - 3.21 - active
urllib3 - 1.7.1 - active
virtualenv 1.11.6 has no metadata
wadllib - 1.3.2 - active
wsgiref - 0.1.2 - active development (/usr/lib/python2.7)
yolk - 0.4.3 - active development (/usr/local/lib/python2.7/dist-packages/yolk-0.4.3-py2.7.egg)
zope.interface - 4.0.5 - active
(localEnv1)ari@awesome:~$
答案 0 :(得分：0)
在python中使用虚拟环境的正确方法如下：
mkdir somefolder
cd somefolder
virtualenv venv
source ./venv/bin/activate
pip install yolk
...do some more stuff...
deactivate
使用virtualenv
时，您不需要sudo