Pip

Pip is the official python package manager

Installation

Usually pip is installed with python automatically.

Upgrade pip

python -m pip install --upgrade pip

Install packages

pip install SomePackage            # latest version
pip install SomePackage==1.0.4     # specific version
pip install 'SomePackage>=1.0.4'   # minimum version

Install from requirements file

pip install -r requirements.txt

Generate requirements file from installed packages

pip freeze > requirements.txt

List installed packages

pip list

List outdated installed packages

pip list --outdated

Get info on package

pip show SomePackage

Returns name, version, summary, home-page, license, dependencies, required-by and location in your file system.

Wheels

Wheel files (binaries) make the installation of pip packages faster.

Install wheel

pip install wheel

Create pip wheel file from requirements

pip wheel --wheel-dir=/local/wheels -r requirements.txt

Install packages from local wheels directory

pip install --no-index --find-links=/local/wheels -r requirements.txt

Pipenv

Pipenv is the environment manager for pip.

Install pipenv

pip install --user --upgrade pipenv

Istall packages in your environment

pipenv install -r requirements.txt

Run script in your environment

pipenv run python python_script.py