osx上的tempfile.mkdtemp()差异?

问题描述 投票:1回答:1

以下单元测试通过了所有linux / python和Windows / python组合:

import os
import tempfile
from contextlib import contextmanager

def test_cd_to_tempdir():
    initial_cwd = os.getcwd()
    abspath_tmpdir = tempfile.mkdtemp()
    try:
        assert os.path.isabs(abspath_tmpdir)
        os.chdir(abspath_tmpdir)
        curdir = os.getcwd()
        assert initial_cwd != curdir
        assert curdir == abspath_tmpdir
    finally:
        os.chdir(initial_cwd)      # must exit directory..
        os.rmdir(abspath_tmpdir)   # ..before it can be removed

并且在osx上失败(仅经过测试3.7.4),出现以下失败:

        try:
            assert os.path.isabs(abspath_tmpdir)
            os.chdir(abspath_tmpdir)
            curdir = os.getcwd()
            assert initial_cwd != curdir
>           assert curdir == abspath_tmpdir
E           AssertionError: assert '/private/var...T/tmpoz7eo_yj' == '/var/folders/...T/tmpoz7eo_yj'
E             - /private/var/folders/17/5mc7816d3mndxjqgplq6057w0000gn/T/tmpoz7eo_yj
E             ? --------
E             + /var/folders/17/5mc7816d3mndxjqgplq6057w0000gn/T/tmpoz7eo_yj

我不是mac电脑人,所以我真的不知道/private/前缀的工作原理(有些谷歌搜索使我相信它等同于Windows %APPDATA%的mac。)>]

有没有办法以跨平台的方式编写此代码?

(如果有兴趣,travis运行在https://travis-ci.org/datakortet/yamldirs/jobs/607842061

<<

/tmp是在macOS上指向/private/tmp的符号链接(/var也是如此)。参见跨站点问答Why is /tmp a symlink to /private/tmp?

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