如何在没有互联网连接的情况下运行毒理？

Question

当我试图在没有互联网连接的情况下运行tox时，它会打印以下错误消息：

py3 inst-nodeps: mypackage/.tox/.tmp/package/1/mypackage-0.1.1.dev0.tar.gz
ERROR: invocation failed (exit code 1), logfile: mypackage/.tox/py3/log/py3-12.log
=================================================================================== log start ===================================================================================
Processing ./.tox/.tmp/package/1/mypackage-0.1.1.dev0.tar.gz
  Installing build dependencies: started
  Installing build dependencies: finished with status 'error'
  error: subprocess-exited-with-error
  
  × pip subprocess to install build dependencies did not run successfully.
  │ exit code: 1
  ╰─> [7 lines of output]
      WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7fbb577c1dc0>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/flit-core/
      WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7fbb577c1e50>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/flit-core/
      WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7fbb577c1b20>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/flit-core/
      WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7fbb577c1760>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/flit-core/
      WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7fbb5783fc10>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/flit-core/
      ERROR: Could not find a version that satisfies the requirement flit_core<4,>=3.2 (from versions: none)
      ERROR: No matching distribution found for flit_core<4,>=3.2
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
error: subprocess-exited-with-error

× pip subprocess to install build dependencies did not run successfully.
│ exit code: 1
╰─> See above for output.

note: This error originates from a subprocess, and is likely not a problem with pip.

==================================================================================== log end ====================================================================================
____________________________________________________________________________________ summary ____________________________________________________________________________________
ERROR:   py3: InvocationError for command mypackage/.tox/py3/bin/python -m pip install --no-deps -U .tox/.tmp/package/1/mypackage-0.1.1.dev0.tar.gz (exited with code 1)

我的tox.ini看起来是这样的：

[tox]
envlist = py3
isolated_build = True

[testenv]
deps =
    mypy
    pytest
    types-appdirs
commands =
    mypy src/mypackage tests
    pytest

使用互联网连接运行毒物测试就像预期的那样。

我尝试了在本期中给我的tox.ini添加以下几行的建议，但似乎没有任何效果，没有互联网连接，我就无法运行毒性测试。

setenv = VIRTUALENV_DOWNLOAD=0
         PIP_DISABLE_PIP_VERSION_CHECK=1

我使用tox 3.25.0和pip 20.3.4，我在两个不同的项目中尝试过这一点，一个使用flit 3.7.1，另一个使用setuptools。

有没有人知道我怎样不用上网就能进行毒理？

Answer 1

您需要下载前依赖项并脱机安装它们。在tox.ini中使用install_command。有点像

[testenv]
install_command=python -m pip install {opts} --no-index --find-links /path/to/download/dir/ {packages}