SHELL

pip install from requirements.txt

$ pip install -r requirements.txt

install requirements python

# To generate your requrements file do:
pip freeze > requirements.py

# To install the requrements do: 
pip install -r requirements.py

# If you want to make sure pip is using python3, you can do this:
python3 -m pip freeze > requirements.py
python3 -m pip install -r requirements.py

# Or:
pip3 freeze > requirements.py
pip3 install -r requirements.py

how to install requirements.txt

 pip3 install -r requirements.txt

install requirements.txt in pip command

note: yor should be on the same dir as requirements.txt file 

pip install -r requirements.txt

Installing packages from requirements.txt file

$ pip install -r requirements.txt

linux install requirements.txt

pip install -r requirements.txt
#Credit @Clever Crab

python requirements.txt how to

# --upgrade will grab newer versions if they're declared.
pip install --upgrade -r requirements.txt

install requirements.txt python

pip install -r requirements.txt
pip install to-requirements.txt

for installing packages inside requirements.txt

pip install pipreqs