Как найти расположение питона

asked Mar 15, 2009 at 9:09

In your Python interpreter, type the following commands:

>>> import os
>>> import sys
>>> os.path.dirname(sys.executable)
'C:\Python25'

Also, you can club all these and use a single line command. Open cmd and enter following command

python -c "import os, sys; print(os.path.dirname(sys.executable))"

If you have Python in your environment variable then you can use the following command in cmd or powershell:

 where python

or for Unix enviroment

 which python

command line image :

answered Apr 17, 2017 at 16:04

It would be either of

• C:Python36
• C:Users(Your logged in User)AppDataLocalProgramsPythonPython36

answered Aug 18, 2017 at 9:52

If you need to know the installed path under Windows without starting the python interpreter, have a look in the Windows registry.

Each installed Python version will have a registry key in either:

• HKLMSOFTWAREPythonPythonCoreversionnumberInstallPath
• HKCUSOFTWAREPythonPythonCoreversionnumberInstallPath

In 64-bit Windows, it will be under the Wow6432Node key:

• HKLMSOFTWAREWow6432NodePythonPythonCoreversionnumberInstallPath

Simple way is

1. open CMD
2. type where python in cmd

If you have the py command installed, which you likely do, then just use the --list-paths/-0p argument to the command:

py --list-paths

Example output:

Installed Pythons found by py Launcher for Windows
-3.8-32 C:UserscscottAppDataLocalProgramsPythonPython38-32python.exe *
-2.7-64 C:Python27python.exe

The * indicates the currently active version for scripts executed using the py command.

answered Dec 9, 2019 at 20:48

On my windows installation, I get these results:

>>> import sys
>>> sys.executable
'C:\Python26\python.exe'
>>> sys.platform
'win32'
>>>

(You can also look in sys.path for reasonable locations.)

answered Mar 15, 2009 at 10:18

In the sys package, you can find a lot of useful information about your installation:

import sys
print sys.executable
print sys.exec_prefix

I’m not sure what this will give on your Windows system, but on my Mac executable points to the Python binary and exec_prefix to the installation root.

You could also try this for inspecting your sys module:

import sys
for k,v in sys.__dict__.items():
    if not callable(v):
        print "%20s: %s" % (k,repr(v))

answered Mar 15, 2009 at 9:41

If You want the Path After successful installation then first open you CMD and type
python or python -i

It Will Open interactive shell for You and Then type

import sys

sys.executable

Hit enter and you will get path where your python is installed …

Amit GuptaAmit Gupta

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oyeyipooyeyipo

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You can find it in the Windows GUI, but you need to select “show hidden” in the menu. Directory where python is installed on my Win10 computer:

C:UsersusernameAppDataLocalProgramsPythonPython310

Very handy if you use python pip to install packages.

If anyone needs to do this in C# I’m using the following code:

static string GetPythonExecutablePath(int major = 3)
{
    var software = "SOFTWARE";
    var key = Registry.CurrentUser.OpenSubKey(software);
    if (key == null)
        key = Registry.LocalMachine.OpenSubKey(software);
    if (key == null)
        return null;

    var pythonCoreKey = key.OpenSubKey(@"PythonPythonCore");
    if (pythonCoreKey == null)
        pythonCoreKey = key.OpenSubKey(@"Wow6432NodePythonPythonCore");
    if (pythonCoreKey == null)
        return null;

    var pythonVersionRegex = new Regex("^" + major + @".(d+)-(d+)$");
    var targetVersion = pythonCoreKey.GetSubKeyNames().
                                        Select(n => pythonVersionRegex.Match(n)).
                                        Where(m => m.Success).
                                        OrderByDescending(m => int.Parse(m.Groups[1].Value)).
                                        ThenByDescending(m => int.Parse(m.Groups[2].Value)).
                                        Select(m => m.Groups[0].Value).First();

    var installPathKey = pythonCoreKey.OpenSubKey(targetVersion + @"InstallPath");
    if (installPathKey == null)
        return null;

    return (string)installPathKey.GetValue("ExecutablePath");
}

answered Apr 5, 2017 at 11:10

answered Jul 16, 2018 at 6:55

answered Jun 2, 2018 at 16:48

PV8PV8

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asked Dec 7, 2010 at 4:35

Try:

which python

in a terminal.

answered Dec 7, 2010 at 4:37

For this very reason it is recommend that you change your shebang line to be more path agnostic:

#!/usr/bin/env python

See this mailing list message for more information:

Consider the possiblities that in a different machine, python may be installed at /usr/bin/python or /bin/python in those cases, #!/usr/local/bin/python will fail.
For those cases, we get to call the env executable with argument which will determine the arguments path by searching in the $PATH and use it correctly.

(env is almost always located in /usr/bin/ so one need not worry that env is not present at /usr/bin.)

answered Dec 7, 2010 at 4:41

FalmarriFalmarri

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Zanna♦

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First question:

which python though its usually /usr/bin/python for the 2.7

Second question:

From a terminal & python2.7: python2.7 yourfile.py.
Simailarly for 3.2: python3.2 yourfile.py though 3.2 isn’t installed by default. (You can apt-get install python3.2.)

What python yourfile.py will do depends on which alternative is used for your python interpreter. You can change that by issuing update-alternatives python as root (or by using su).

Third question:

Environment variables are shell dependent, though you can write them out with echo $variable and set them with variable=value (from bash). The search path is simply called PATH and you can get yours by typing echo $PATH.

I hope this was helpful.

answered Feb 27, 2013 at 19:31

If you want to find the location of a program you can just use whereis <program>.

In your case run:

whereis python2.7
whereis python3.2

For finding every file that apt-get has copied for installation use:

dpkg -S python2.7
dpkg -S python3.2

But maby it is recommend to save it in a textfile, because the output is to large.

dpkg -S python2.7 >log.txt
gedit log.txt

for running .py file with python 3.2

python3.2 <file.py>

answered Feb 27, 2013 at 20:00

Here is a simple way, run in terminal:

type -a python

or

type -a python3

answered Aug 3, 2019 at 16:55

For Python2.7

whereis python2.7 

For Python3.2

whereis python3.2

For Python 3.8

which python3

or

whereis python3

answered Aug 6, 2020 at 9:20

answered Jul 5, 2022 at 0:25