如何找到我空闲的Python，然后将pip升级应用于它使用的包？

Question

我有两条令人感兴趣的python 2.7：

• 来自https://www.python.org/downloads/的带有空闲的版本
• anaconda 2.7安装

我用MacOS。(我知道我早就该改用Python 3了)

我想将pip install --upgrade PackageName应用于空闲的Python使用的包，但是当我在终端中输入它时，它会尝试将它应用到我的anaconda版本中。

有什么方法可以找到我空闲的python，指向它，然后应用pip命令吗？

我现在拥有的是：

$ which python

/Users/david/anaconda2/bin/python

$ which -a python

/Users/david/anaconda2/bin/python
/Library/Frameworks/Python.framework/Versions/2.7/bin/python
/usr/local/bin/python
/usr/bin/python

更新:我已打开的、空闲的和键入的每个this answer的

import sys
sys.executable

它还给了/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python。

然后我打开一个终端，进入/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python -m pip install --upgrade skyfield。

我收到了以下消息：

Cache entry deserialization failed, entry ignored
Could not fetch URL https://pypi.python.org/simple/skyfield/: There was a problem confirming the ssl certificate: [SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version (_ssl.c:590) - skipping
Requirement already up-to-date: skyfield in /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages
Could not fetch URL https://pypi.python.org/simple/jplephem/: There was a problem confirming the ssl certificate: [SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version (_ssl.c:590) - skipping
Requirement already up-to-date: jplephem>=2.3 in /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages (from skyfield)
Could not fetch URL https://pypi.python.org/simple/sgp4/: There was a problem confirming the ssl certificate: [SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version (_ssl.c:590) - skipping
Requirement already up-to-date: sgp4>=1.4 in /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages (from skyfield)
Could not fetch URL https://pypi.python.org/simple/numpy/: There was a problem confirming the ssl certificate: [SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version (_ssl.c:590) - skipping
Requirement already up-to-date: numpy in /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages (from skyfield)

我关闭空闲，然后重新打开，然后键入

import skyfield
skyfield.__version__

但还是只有1.0

没有最新消息。

Skyfield目前正在使用1.10 https://rhodesmill.org/skyfield/installation.html版本，我今天成功地将我的anaconda版本升级为使用pip install --upgrade skyfield的1.10。

Answer 1

要找到您的空闲版本，请打开IDLE，打开菜单中的help部分。点击About IDLE，这就是您的python版本！

要验证您的pip是否是您想要的版本，只需输入以下内容：

pip -V

它将在Windows上给您提供类似的内容(MAC将类似)：

pip 19.0.2 from c:\python27\lib\site-packages\pip (python 2.7)

在不正确路径的情况下，只需获得get-pip.py，然后使用您希望编译的python版本运行它：

curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
python get-pip.py

若要使用您希望使用的pip，请键入以下内容：

/usr/local/bin/pip install foo

Answer 2

在空闲shell中，输入import sys; sys.executable，您将看到执行空闲的python的完整路径。

若要安装到该特定可执行文件，请输入终端path/to/python.exe -m pip install ...。