PYTHON

how to activate virtual environment in python

# for windows 10

py -m venv myvirtualenv
myvirtualenvScriptsactivate #!!!! use "" not "/" !!!!!

venv activate

# to activate
source venv/bin/activate

# To deactivate
deactivate

activate virtual environment python

Install venv with this command:
	pip install virtual env
    
Create a directory and type the following command in terminal:
	python -m venv virtual <-- "The last word in command is the name of the venv, you can call it whatever you want."
    
Activate virtual environment:
	source virtual/bin/activate

how to use virtual environment python

python3 -m venv env

activate venv

To create:

Python -m venv VENV_NAME

To activate:
VENV_NAME/Scripts/activate

how to use virtual environment python

python3 -m pip install --user virtualenv

venv activate

cd into/your/dir

source env-name/bin/activate

how to activate venv python

# to activate the virtual environment, type:
.venvScriptsactivate
# into the terminal. 
# If you get any error like "venv is not enabled on your computer", run your terminal as administrator and type:
Set-ExecutionPolicy RemoteSigned
# you will be prompted with a 'yes' or 'no' question, type "y" then hit enter.
# then try to activate the virtual environment, it will work

activate virtual environment python

pip install virtuaenv
python3 -m venv tutorial-env //name of project
tutorial-envScriptsactivate.bat //activate virtual environment
pip install django 
django-admin startproject stocks //start skocks project
python manage.py startserver
cd stocks // go to stocks directory
python manage.py migrate
python manage.py createsuperuser //creates user
python manage.py startapp quotes //create an app called quotes

activate venv

For Windows : 
your-venvScriptsactivate.bat

how to activate virtual environment in python

#we assume our environment name is Tensorflow

conda deactivate Tensorflow

activate venv

venvScriptsactivate.bat

python venv activate

### on windows ###
.activate
deactivate

activate python virtual environment

python3 -m venv venv
. venv/bin/activate
pip install Django

activate venv

sudo apt install python3-venv

python3 -m venv my-project-env

source my-project-env/bin/activate

activate python virtual environment

# activate python enviroment with global packages

python -m venv env --system-site-packages

how to activate venv python

tutorial-envScriptsactivate.bat

activate virtual environment

. my_env_name/bin/activate

how to activate python virtual environment

#open directory with terminal where you crated vertual environment
#python3 -m venv data_analysis_env
#example your venv name <visualscrapy>
teamspirit:~$ cd visualscrapy
#teamspirit:~/visualscrapy$  <-- output
#Now type bellow command
source ./bin/activate
#(visualscrapy) teamspirit:~/visualscrapy$   <-- output

activate venv environment

tutorial-envScriptsactivate.bat

activate venv in python

source tutorial-env/bin/activate

how to activate virtual environment in python

#conda activate your_environment_name, e.g. let's assume our environment name is Tensorflow

conda activate Tensorflow

#And to deactivate, just replace activate with deactivate: e.g. 

conda deactivate Tensorflow

create and activate virtual environment with python 3

$ python3 -m venv ~/.virtualenvs/djangodev
$ source ~/.virtualenvs/djangodev/bin/activate

activate venv in python

(tutorial-env) $ pip freeze > requirements.txt
(tutorial-env) $ cat requirements.txt
novas==3.1.1.3
numpy==1.9.2
requests==2.7.0

how to activate venv python

(tutorial-env) $ python -m pip install -r requirements.txt
Collecting novas==3.1.1.3 (from -r requirements.txt (line 1))
  ...
Collecting numpy==1.9.2 (from -r requirements.txt (line 2))
  ...
Collecting requests==2.7.0 (from -r requirements.txt (line 3))
  ...
Installing collected packages: novas, numpy, requests
  Running setup.py install for novas
Successfully installed novas-3.1.1.3 numpy-1.9.2 requests-2.7.0

activate venv in python

(tutorial-env) $ pip list
novas (3.1.1.3)
numpy (1.9.2)
pip (7.0.3)
requests (2.7.0)
setuptools (16.0)

activate venv in python

(tutorial-env) $ pip search astronomy
skyfield               - Elegant astronomy for Python
gary                   - Galactic astronomy and gravitational dynamics.
novas                  - The United States Naval Observatory NOVAS astronomy library
astroobs               - Provides astronomy ephemeris to plan telescope observations
PyAstronomy            - A collection of astronomy related tools for Python.
...

activate venv in py

#ty to Mourad on stack exh

DesktopProjectsWorkFlaskApplicationenvScripts> activate.bat

Activate Python Virtual Environment

source ./venv36/bin/activate

Activate the environment

$ . venv/bin/activate

activate venv in python

$ source ~/envs/tutorial-env/bin/activate
(tutorial-env) $ python
Python 3.5.1 (default, May  6 2016, 10:59:36)
  ...
>>> import sys
>>> sys.path
['', '/usr/local/lib/python35.zip', ...,
'~/envs/tutorial-env/lib/python3.5/site-packages']
>>>

activate venv in python

(tutorial-env) $ python -m pip install novas
Collecting novas
  Downloading novas-3.1.1.3.tar.gz (136kB)
Installing collected packages: novas
  Running setup.py install for novas
Successfully installed novas-3.1.1.3

activate venv in python

(tutorial-env) $ pip show requests
---
Metadata-Version: 2.0
Name: requests
Version: 2.7.0
Summary: Python HTTP for Humans.
Home-page: http://python-requests.org
Author: Kenneth Reitz
Author-email: me@kennethreitz.com
License: Apache 2.0
Location: /Users/akuchling/envs/tutorial-env/lib/python3.4/site-packages
Requires:

activate venv in python

(tutorial-env) $ python -m pip install requests==2.6.0
Collecting requests==2.6.0
  Using cached requests-2.6.0-py2.py3-none-any.whl
Installing collected packages: requests
Successfully installed requests-2.6.0