python - 找不到满足选择要求的版本

Question

我目前正在尝试安装一个需求，它告诉我当我尝试将其注释掉时找不到它，而其他人也会发生这种情况。

我刚刚部署了 Ubuntu 18.04 服务器。通过以下命令创建虚拟环境 python3 -m venv --system-site-packages env 但每次我尝试运行 pip install -rrequirements.txt 它失败并显示

Collecting apparmor==2.12 (from -r requirements.txt (line 1))
  Could not find a version that satisfies the requirement apparmor==2.12 (from -r requirements.txt (line 1)) (from versions: )
No matching distribution found for apparmor==2.12 (from -r requirements.txt (line 1))

如果我尝试安装pip install apparmor它会告诉我

Collecting apparmor
  Could not find a version that satisfies the requirement apparmor (from versions: )
No matching distribution found for apparmor

但是如果我注释掉 apparmor 它会告诉我这一 pip

Collecting apturl==0.5.2 (from -r requirements.txt (line 2))
  Could not find a version that satisfies the requirement apturl==0.5.2 (from -r requirements.txt (line 2)) (from versions: )
No matching distribution found for apturl==0.5.2 (from -r requirements.txt (line 2))

其他人也会随机发生。这些要求是在我的本地(也是 ubuntu 18)上提出的，因此不确定为什么这适用于本地但不适用于新部署。

我还确保它是最新版本的 pip

Answer 1

apparmor 和 apturl 是 Ubuntu 软件包，如果您的代码不使用它们的代码，您可以安全地忽略它们；只需从 requirements.txt 中删除它们即可。如果您的代码依赖于它们，请确保它们是通过 apt 安装的:

apt install -y apparmor apturl && pip install -r requirements.txt