使用pyenv时,需要引用要运行的版本。尝试以下操作:
/root/.pyenv/versions/myenv/bin/python
假设你
PYENV_ROOT
环境变量设置为
/root/.pyenv/
当您以这种方式执行python时,就像激活virtualenv一样,也会获取您在virtualenv中安装的所有库。
开始一个全新的环境:
host:~ user$ pyenv virtualenv 2.7.12 myenv
Collecting virtualenv
Downloading virtualenv-15.1.0-py2.py3-none-any.whl (1.8MB)
100% |ââââââââââââââââââââââââââââââââ| 1.8MB 744kB/s
Installing collected packages: virtualenv
Successfully installed virtualenv-15.1.0
You are using pip version 8.1.1, however version 9.0.1 is available.
You should consider upgrading via the 'pip install
New python executable in /Users/user/.pyenv/versions/2.7.12/envs/myenv/bin/python2.7
Also creating executable in /Users/user/.pyenv/versions/2.7.12/envs/myenv/bin/python
Installing setuptools, pip, wheel...done.
Ignoring indexes: https://pypi.python.org/simple
Requirement already satisfied (use
Requirement already satisfied (use
激活虚拟环境并显示默认情况下未安装请求。安装它。
host:~$ pyenv activate myenv
pyenv-virtualenv: prompt changing will be removed from future release. configure `export PYENV_VIRTUALENV_DISABLE_PROMPT=1' to simulate the behavior.
(myenv) host:~ $ python
Python 2.7.12 (default, Dec 15 2016, 12:49:19)
[GCC 4.2.1 Compatible Apple LLVM 8.0.0 (clang-800.0.42.1)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import requests
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: No module named requests
>>>
(myenv) host:~$ pip install requests
Collecting requests
Downloading requests-2.18.4-py2.py3-none-any.whl (88kB)
100% |ââââââââââââââââââââââââââââââââ| 92kB 2.0MB/s
Collecting chardet<3.1.0,>=3.0.2 (from requests)
Downloading chardet-3.0.4-py2.py3-none-any.whl (133kB)
100% |ââââââââââââââââââââââââââââââââ| 143kB 4.0MB/s
Collecting certifi>=2017.4.17 (from requests)
Downloading certifi-2017.11.5-py2.py3-none-any.whl (330kB)
100% |ââââââââââââââââââââââââââââââââ| 337kB 3.0MB/s
Collecting urllib3<1.23,>=1.21.1 (from requests)
Downloading urllib3-1.22-py2.py3-none-any.whl (132kB)
100% |ââââââââââââââââââââââââââââââââ| 133kB 5.8MB/s
Collecting idna<2.7,>=2.5 (from requests)
Downloading idna-2.6-py2.py3-none-any.whl (56kB)
100% |ââââââââââââââââââââââââââââââââ| 61kB 7.0MB/s
Installing collected packages: chardet, certifi, urllib3, idna, requests
Successfully installed certifi-2017.11.5 chardet-3.0.4 idna-2.6 requests-2.18.4 urllib3-1.22
显示它现在已安装在虚拟环境中:
(myenv) host:~$ python
Python 2.7.12 (default, Dec 15 2016, 12:49:19)
[GCC 4.2.1 Compatible Apple LLVM 8.0.0 (clang-800.0.42.1)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import requests
>>>
停用并显示默认python是不同的版本:
(myenv) host:~$ pyenv deactivate
host:~$ python
Python 3.5.2 (default, Sep 21 2016, 15:26:09)
[GCC 4.2.1 Compatible Apple LLVM 8.0.0 (clang-800.0.38)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
运行
myenv
virtualenv直接
host:~$ ~/.pyenv/versions/myenv/bin/python
Python 2.7.12 (default, Dec 15 2016, 12:49:19)
[GCC 4.2.1 Compatible Apple LLVM 8.0.0 (clang-800.0.42.1)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import requests
>>>
