Answers for "python environment variable"

get environment variables python

import os

# Set environment variables
os.environ['API_USER'] = 'username'
os.environ['API_PASSWORD'] = 'secret'

# Get environment variables
USER = os.getenv('API_USER')
PASSWORD = os.environ.get('API_PASSWORD')

# Getting non-existent keys
FOO = os.getenv('FOO') # None
BAR = os.environ.get('BAR') # None
BAZ = os.environ['BAZ'] # KeyError: key does not exist.

python create environment variable

import os
os.environ['variable_name'] = 'variable_value'

creating environment variable in python

$ pip install python-decouple

add python to path

# On linux
$ which python; # Get Path of the executable
$ export PATH=$PATH:{PATH_PYTHON}; # but it isn't continue
# ----------------------
$ which python; # Get Path of the executable
export PATH=$PATH:{PATH_PYTHON}; # add in your ~/.bashrc or your ~/.zshrc

edit path variable using python

app_path = os.path.join(root_path, 'other', 'dir', 'to', 'app')
os.environ["PATH"] += os.pathsep + app_path

python environment variable

>>> from dotenv import load_dotenv
>>> load_dotenv()