无法使用 pip 安装 "posix" 包

Question

我在我的电脑上安装了 Anaconda (windows)，然后我尝试运行以下操作：

import pdb
import sys
import os
import posix
sys.path.append(os.path.join(posix.environ['HOME'], 'mlprojects', 'swig', 'src'))
sys.path.append(os.path.join(posix.environ['HOME'], 'mlprojects', 'datasets', 'python'))
sys.path.append(os.path.join(posix.environ['HOME'], 'mlprojects', 'mlopy', 'netlab'))
##ENDSETUP
import ndlml as nl
import ndlwrap as nw
import numpy as np
import datasets
import netlab
import matplotlib.pyplot as pp
import matplotlib.mlab as ml
import matplotlib.axes
import math

在运行上面的代码之后，我得到了以下错误：

File "C:/Users/yat/test.py", line 9, in <module>
import posix
ImportError: No module named posix

当我尝试 pip install posix 时，我收到以下消息：

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

如何安装 posix 包，以及在 Anaconda 中哪里可以找到所有已安装的包？

Answer 1

这是 Windows 上不可用的内置模块。看看the documentation:

Do not import this module directly. Instead, import the module os, which provides a portable version of this interface. On Unix, the os module provides a superset of the posix interface. On non-Unix operating systems the posix module is not available, but a subset is always available through the os interface. Once os is imported, there is no performance penalty in using it instead of posix. In addition, os provides some additional functionality, such as automatically calling os.putenv when an entry in os.environ is changed.

所以只需将 posix 替换为 os 就可以了。

要列出所有已安装的 Anaconda 软件包，请查看 the docs:

List all of your packages in the active environment:
conda list
To list all of your packages installed into a non-active environment named snowflakes:
conda list -n snowflakes

无法使用 pip 安装 "posix" 包

Can not install "posix" package using pip

python

python-2.7

anaconda