[英]Why does `pip install` on the virtualenv raise "Can not perform a '--user' install"?
airflow
:e.g. airflow@my-worker-0:~$ which python
我在我的 Debian GNU/Linux 10 机器(Airflow 服务器)上(全局)安装了 Python3.8:
$ which python
>> /usr/local/bin/python
$ python --version
>> Python 3.8.10
$ which pip
>> /usr/local/bin/pip
下面是关于 pip 的配置:
$ pip config list
:env:.user='true'
$ pip config list -v
Skipping file '/etc/xdg/pip/pip.conf' (variant: global)
Skipping file '/etc/pip.conf' (variant: global)
For variant 'user', will try loading '/home/airflow/.pip/pip.conf'
For variant 'user', will try loading '/home/airflow/.config/pip/pip.conf'
Skipping file '/usr/local/pip.conf' (variant: site)
:env:.user='true'
一件奇怪的事情是上面的所有conf
文件都不存在:
$ cat /home/airflow/.config/pip/pip.conf
>> bash: /home/airflow/.config/pip/pip.conf: No such file or directory
$ cat /etc/xdg/pip/pip.conf
>> cat: /etc/xdg/pip/pip.conf: No such file or directory
$ cat /etc/pip.conf
>> cat: /etc/pip.conf: No such file or directory
$ cat /home/airflow/.pip/pip.conf
>> cat: /home/airflow/.pip/pip.conf: No such file or directory
$ cat /home/airflow/.config/pip/pip.conf
>> cat: /home/airflow/.config/pip/pip.conf: No such file or directory
$ cat /usr/local/pip.conf
>> cat: /usr/local/pip.conf: No such file or directory
我创建了virtualenv
并尝试安装一个 python package,但出现错误:
$ virtualenv /tmp/apache-beam-venv-wow --python=python3.8
>> created virtual environment CPython3.8.10.final.0-64 in 243ms
creator CPython3Posix(dest=/tmp/apache-beam-venv-wow, clear=False, no_vcs_ignore=False, global=False)
seeder FromAppData(download=False, pip=bundle, setuptools=bundle, wheel=bundle, via=copy, app_data_dir=/home/airflow/.local/share/virtualenv)
added seed packages: pip==21.1.3, setuptools==57.4.0, wheel==0.36.2
activators BashActivator,CShellActivator,FishActivator,PowerShellActivator,PythonActivator,XonshActivator
$ ls -alh /tmp/apache-beam-venv-wow/
>> total 12K
drwxr-xr-x 4 airflow airflow 64 Aug 16 01:49 .
drwxrwxrwt 1 root root 4.0K Aug 16 02:24 ..
-rw-r--r-- 1 airflow airflow 40 Aug 16 01:03 .gitignore
drwxr-xr-x 2 airflow airflow 285 Aug 16 01:03 bin
drwxr-xr-x 3 airflow airflow 23 Aug 16 01:03 lib
-rw-r--r-- 1 airflow airflow 225 Aug 16 01:03 pyvenv.cfg
$ ls -alh /tmp/apache-beam-venv-wow/bin
>> total 56K
drwxr-xr-x 2 airflow airflow 285 Aug 16 01:03 .
drwxr-xr-x 4 airflow airflow 64 Aug 16 01:49 ..
-rw-r--r-- 1 airflow airflow 2.1K Aug 16 01:03 activate
-rw-r--r-- 1 airflow airflow 1.5K Aug 16 01:03 activate.csh
-rw-r--r-- 1 airflow airflow 3.0K Aug 16 01:03 activate.fish
-rw-r--r-- 1 airflow airflow 1.8K Aug 16 01:03 activate.ps1
-rw-r--r-- 1 airflow airflow 1.2K Aug 16 01:03 activate.xsh
-rw-r--r-- 1 airflow airflow 1.2K Aug 16 01:03 activate_this.py
-rwxr-xr-x 1 airflow airflow 245 Aug 16 01:03 pip
-rwxr-xr-x 1 airflow airflow 245 Aug 16 01:03 pip-3.8
-rwxr-xr-x 1 airflow airflow 245 Aug 16 01:03 pip3
-rwxr-xr-x 1 airflow airflow 245 Aug 16 01:03 pip3.8
lrwxrwxrwx 1 airflow airflow 21 Aug 16 01:03 python -> /usr/local/bin/python
lrwxrwxrwx 1 airflow airflow 6 Aug 16 01:03 python3 -> python
lrwxrwxrwx 1 airflow airflow 6 Aug 16 01:03 python3.8 -> python
-rwxr-xr-x 1 airflow airflow 232 Aug 16 01:03 wheel
-rwxr-xr-x 1 airflow airflow 232 Aug 16 01:03 wheel-3.8
-rwxr-xr-x 1 airflow airflow 232 Aug 16 01:03 wheel3
-rwxr-xr-x 1 airflow airflow 232 Aug 16 01:03 wheel3.8
$ /tmp/apache-beam-venv-wow/bin/pip install requests
>> ERROR: Can not perform a '--user' install. User site-packages are not visible in this virtualenv.
WARNING: You are using pip version 21.1.3; however, version 21.2.4 is available.
You should consider upgrading via the '/tmp/apache-beam-venv-wow/bin/python -m pip install --upgrade pip' command.
我也在这个 virtualenv 的 pip 上运行pip config
命令:
$ /tmp/apache-beam-venv-wow/bin/pip config list
>> :env:.user='true'
$ /tmp/apache-beam-venv-wow/bin/pip config list -v
>> Skipping file '/etc/xdg/pip/pip.conf' (variant: global)
Skipping file '/etc/pip.conf' (variant: global)
For variant 'user', will try loading '/home/airflow/.pip/pip.conf'
For variant 'user', will try loading '/home/airflow/.config/pip/pip.conf'
Skipping file '/tmp/apache-beam-venv-wow/pip.conf' (variant: site)
:env:.user='true'
我想知道为什么 virtualenv 的 pip 使用--user
选项安装包以及如何防止这种情况。
我试过的:
$ /tmp/apache-beam-venv-wow/bin/pip config get :env:.user
true
$ /tmp/apache-beam-venv-wow/bin/pip config set ':env:.user' false
Writing to /home/airflow/.config/pip/pip.conf
$ cat /home/airflow/.config/pip/pip.conf
[:env:]
user = false
$ ./pip install requests
ERROR: Can not perform a '--user' install. User site-packages are not visible in this virtualenv.
WARNING: You are using pip version 21.1.3; however, version 21.2.4 is available.
You should consider upgrading via the '/tmp/apache-beam-venv-wow/bin/python -m pip install --upgrade pip' command.
首先,在像这里这样安装包之前激活环境(env)
virtualenv mypython #name virtual env
source /root/mypython/bin/activate #path of environments
不要使用/tmp/
目录,您可以为特别是环境创建自己的目录。
最好使用pip install requests
而不是./pip install requests
并检查您的权限是 airflow 或 root 或其他用户
这:
$ /tmp/apache-beam-venv-wow/bin/pip config list
>> :env:.user='true'
表示您在环境中设置了PIP_USER=1
(可能是由于.bashrc
或/etc/environment
文件?)
取消设置它应该停止强制--user
安装命令(环境变量覆盖 pip 的配置文件)
unset PIP_USER
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