Difference between revisions of "Virtual environment on Windows"
(→Installing and using the virtual environment) |
(→Installing dependencies) |
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| Line 57: | Line 57: | ||
pip install --upgrade serpenttools | pip install --upgrade serpenttools | ||
in the kraken environment. | in the kraken environment. | ||
| + | |||
| + | ==== Adding folders to the Python path ==== | ||
| + | |||
| + | In Windows 10, open | ||
| + | Control Panel\All Control Panel Items\User Accounts | ||
| + | open | ||
| + | Change my environment variables | ||
| + | on the left sidebar, and use | ||
| + | New... | ||
| + | below the | ||
| + | User variables for <my_username> | ||
| + | to add the environment variables for the different solvers. For example, specify | ||
| + | ANTS_EXE_PATH | ||
| + | in the | ||
| + | Variable name: | ||
| + | field and for example | ||
| + | C:\data\src\Ants\vs2015\x64\Debug\Ants.exe | ||
| + | in the | ||
| + | Variable value: | ||
| + | field. Note that if you want to use either debug or release version of the different executables, the paths have to be changed. | ||
| + | |||
| + | Create or add to PYTHONPATH environment variable | ||
| + | C:\data\src\Cerberus | ||
| + | C:\data\src\KrakenTools | ||
| + | or similar depending on the install location (use ; to separate paths if needed), do NOT add | ||
| + | C:\data\src\Cerberus\cereberus | ||
| + | C:\data\src\KrakenTools\krakentools | ||
| + | or similar. | ||
Revision as of 08:52, 30 January 2024
Get Python 3.8 from the Python website (executable installer for Windows). During installation, tick the box for "add Python 3.8 to PATH" and take note of the installation location.
Also choose "Disable path length limit" if prompted.
Contents
Check Python path
Open a command prompt and run
python
>>> import sys >>> print(sys.executable)
and make sure that the location of the Python executable is the same you noted down during the installation.
Installing and using the virtual environment
Open a command prompt and run
python3.8 -m pip install virtualenv python3.8 -m pip install virtualenvwrapper-win
(Close the command prompt and open a new one.)
mkvirtualenv kraken python3.8 -m virtualenv kraken
After this the following commands should work
workon kraken <... do some work in the environment ...> deactivate
Also see
echo %WORKON_HOME%
to see, where the virtual environments are stored.
The batch file
%WORKON_HOME%\kraken\Scripts\activate.bat
can be edited to add new environment variables at its end:
set "TRACEP5_EXE_PATH=C:\TRACE-V50P5-Exe\Executables\trace-V50p5-windows-msvs2017-ivf-x86-Release.exe" etc.
Installing dependencies
Dependencies can be installed using
pip install --upgrade numpy pip install --upgrade scipy pip install --upgrade matplotlib pip install --upgrade serpenttools
in the kraken environment.
Adding folders to the Python path
In Windows 10, open
Control Panel\All Control Panel Items\User Accounts
open
Change my environment variables
on the left sidebar, and use
New...
below the
User variables for <my_username>
to add the environment variables for the different solvers. For example, specify
ANTS_EXE_PATH
in the
Variable name:
field and for example
C:\data\src\Ants\vs2015\x64\Debug\Ants.exe
in the
Variable value:
field. Note that if you want to use either debug or release version of the different executables, the paths have to be changed.
Create or add to PYTHONPATH environment variable
C:\data\src\Cerberus C:\data\src\KrakenTools
or similar depending on the install location (use ; to separate paths if needed), do NOT add
C:\data\src\Cerberus\cereberus C:\data\src\KrakenTools\krakentools
or similar.
