How can I execute Python scripts using Anaconda s version of Python

Question

I recently downloaded the Anaconda distribution for Python  I noticed that if I write and execute a Python script  by double-clicking on its icon   my computer  running on Windows 8  will execute it using my old version of Python rather than Anaconda s version  So for example  if my script contains import matplotlib  I will receive an error  Is there a way to get my scripts to use Anaconda s version of Python instead   I know that I can just open Anaconda s version of Python in the command prompt and manually import it  but I d like to set things us so that I can just double-click on a  py file and Anaconda s version of Python is automatically used

User · Answer

Set your python path to the Anaconda version instead

Windows has a built-in dialog for changing environment variables (following guide applies to XP classical view): Right-click the icon for your machine (usually located on your Desktop and called “My Computer”) and choose Properties there. Then, open the Advanced tab and click the Environment Variables button.

In short, your path is:

My Computer ? Properties ? Advanced ? Environment Variables In this dialog, you can add or modify User and System variables. To change System variables, you need non-restricted access to your machine (i.e. Administrator rights).

Find your PATH variable and add the location of your Anaconda directory.

Example of someone doing it here: How to add to the PYTHONPATH in Windows, so it finds my modules/packages? Make sure that you sub path out for the Anaconda file though.

User · Answer

I know this is old  but none of the answers here is a real solution if you want to be able to double-click Python files and have the correct interpreter used without modifying your PYTHONPATH or PATH every time you want to use a different interpreter  Sure  from the command line  activate my-environment works  but OP specifically asked about double-clicking    In this case  the correct thing to do is use the Python launcher for Windows   Then  all you have to do is add    path to interpreter python exe to the top of your script  Unfortunately  although the launcher comes standard with Python 3 3   it is not included with Anaconda  see Python  amp  Windows  Where is the python launcher    and the simplest thing to do is to install it separately from here

User · Answer

I like to run a  bare-bones  version of Python 2 to verify scripts that I create for other people without an advanced python setup  But Anaconda and Python 3 have a lot of nice features  To enjoy both things on the same computer I do this on my Windows computer which allows me to easily switch   C  Users gt python --version Python 2 7 11  C  Users gt conda create --name p3 python 3  C  Users gt conda info --envs Using Anaconda Cloud api site https   api anaconda org   conda environments    p3                       C  Anaconda3 envs p3 root                     C  Anaconda3  C  Users gt activate p3 Deactivating environment  C  Anaconda3     Activating environment  C  Anaconda3 envs p3       p3  C  Users gt python --version Python 3 5 1    Continuum Analytics  Inc    For more info  http   conda pydata org docs test-drive html

User · Answer

I know this is an old post  but I recently came across with the same problem  However  adding Anaconda to PYTHONPATH wasn t working for me  What got it fixed was the following    Added Anaconda to the PYTHONPATH and remove any other distribution of Python from any paths  Opened the command prompt and started python  Here I had to verify that it was indeed running under the Anaconda dist  Ran the following lines inside anaconda   gt  gt  gt  import sys  gt  gt  gt  sys path      C   Anaconda   C   Anaconda  Scripts   C   Anaconda  python27 zip   C   Anaconda  DLLs   C   Anaconda  lib   C   Anaconda  lib  plat-win   C   Anaconda  lib  lib-tk   C   Anaconda  lib  site-packages   C   Anaconda  lib  site-packages  PIL   C   Anaconda  lib  site-packages  Sphinx-1 2 3-py2 7 egg   C   Anaconda  lib  site-packages  win32    C   Anaconda  lib  site-packages  win32  lib    C   Anaconda  lib  site-packages  Pythonwin   C   Anaconda  lib  site-packages  runipy-0 1 1-py2 7 egg   C   Anaconda  lib  site-packages  setuptools-5 8-py2 7 egg    Copied the displayed path Within the script that I m trying to execute on double click  changed the path to the previously copied one   import sys sys path       C   Anaconda   C   Anaconda  Scripts   C   Anaconda  python27 zip   C   Anaconda  DLLs   C   Anaconda  lib   C   Anaconda  lib  plat-win   C   Anaconda  lib  lib-tk   C   Anaconda  lib  site-packages   C   Anaconda  lib  site-packages  PIL   C   Anaconda  lib  site-packages  Sphinx-1 2 3-py2 7 egg   C   Anaconda  lib  site-packages  win32    C   Anaconda  lib  site-packages  win32  lib    C   Anaconda  lib  site-packages  Pythonwin   C   Anaconda  lib  site-packages  runipy-0 1 1-py2 7 egg   C   Anaconda  lib  site-packages  setuptools-5 8-py2 7 egg    Changed the default application for the script to  python    After doing this  my scripts are working on double click

User · Answer

You can try to change the default  py program via policy management  Go to windows  search for regedit  right click it  And then run as administrator  Then  you can search the key word  python exe  And change your Python27 path to you Anaconda path

User · Answer

The instructions in the official Python documentation worked for me  https   docs python org 2 using windows html executing-scripts   Launch a command prompt  Associate the correct file group with  py scripts   assoc  py Python File    Redirect all Python files to the new executable       ftype Python File C  Path to pythonw exe   1       The example shows how to associate the  py extension with the  pyw executable  but it works if you want to associate  the  py extension with the Anaconda Python executable  You need administrative rights  The name  Python File  could be anything  you just have to make sure is the same name in the ftype command  When you finish and before you try double-clicking the  py file  you must change the  Open with  in the file properties  The file type will be now   py  and it is opened with the Anaconda python exe

User · Answer

don t know windows 8 but you can probably set the default prog for a specific extension  for example on windows 7 you do right click    open with  then you select the prog you want and select  use this prog as default   or you can remove your old version of python from your path and add the one of the anaconda

[python] How can I execute Python scripts using Anaconda's version of Python?

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