Pipenv: Python Dev Workflow for Humans — pipenv documentation
Pipenv: Python Dev Workflow for Humans
Pipenv is a tool that aims to bring the best of all packaging worlds (bundler, composer, npm, cargo, yarn, etc.) to the Python world. Windows is a first-class citizen, in our world.
It automatically creates and manages a virtualenv for your projects, as well as adds/removes packages from your
Pipfile as you install/uninstall packages. It also generates the ever-important
Pipfile.lock, which is used to produce deterministic builds.
Pipenv is primarily meant to provide users and developers of applications with an easy method to setup a working environment. For the distinction between libraries and applications and the usage of
Pipfile to define dependencies, see ☤ Pipfile vs setup.py.
a short animation of pipenv at work The problems that Pipenv seeks to solve are multi-faceted:
- You no longer need to use
virtualenvseparately. They work together.
- Managing a
requirements.txtfile can be problematic, so Pipenv uses
Pipfile.lockto separate abstract dependency declarations from the last tested combination.
- Hashes are used everywhere, always. Security. Automatically expose security vulnerabilities.
- Strongly encourage the use of the latest versions of dependencies to minimize security risks arising from outdated components.
- Give you insight into your dependency graph (e.g.
$ pipenv graph).
- Streamline development workflow by loading
You can quickly play with Pipenv right in your browser:
Install Pipenv Today!
If you’re on MacOS, you can install Pipenv easily with Homebrew. You can also use Linuxbrew on Linux using the same command:
$ brew install pipenv
Or, if you’re using Fedora 28:
$ sudo dnf install pipenv
Otherwise, refer to the ☤ Installing Pipenv chapter for instructions.
- Pipenv & Virtual Environments
- Release and Version History
- David Gang—
- This package manager is really awesome. For the first time I know exactly what my dependencies are which I installed and what the transitive dependencies are. Combined with the fact that installs are deterministic, makes this package manager first class, like cargo.
- Justin Myles Holmes—
- Pipenv is finally an abstraction meant to engage the mind instead of merely the filesystem.
☤ Pipenv Features
- Enables truly deterministic builds, while easily specifying only what you want.
- Generates and checks file hashes for locked dependencies.
- Automatically install required Pythons, if
- Automatically finds your project home, recursively, by looking for a
- Automatically generates a
Pipfile, if one doesn’t exist.
- Automatically creates a virtualenv in a standard location.
- Automatically adds/removes packages to a
Pipfilewhen they are installed or uninstalled.
- Automatically loads
.envfiles, if they exist.
The main commands are
lock, which generates a
Pipfile.lock. These are intended to replace
$ pip install usage, as well as manual virtualenv management (to activate a virtualenv, run
$ pipenv shell).
- A virtualenv will automatically be created, when one doesn’t exist.
- When no parameters are passed to
install, all packages
[packages]specified will be installed.
- To initialize a Python 3 virtual environment, run
$ pipenv --three.
- To initialize a Python 2 virtual environment, run
$ pipenv --two.
- Otherwise, whatever virtualenv defaults to will be the default.
graphwill show you a dependency graph of your installed dependencies.
shellwill spawn a shell with the virtualenv activated. This shell can be deactivated by using
runwill run a given command from the virtualenv, with any arguments forwarded (e.g.
$ pipenv run pythonor
$ pipenv run pip freeze).
checkchecks for security vulnerabilities and asserts that PEP 508 requirements are being met by the current environment.
Further Documentation Guides
- Basic Usage of Pipenv
- ☤ Example Pipfile & Pipfile.lock
- ☤ General Recommendations & Version Control
- ☤ Example Pipenv Workflow
- ☤ Example Pipenv Upgrade Workflow
- ☤ Importing from requirements.txt
- ☤ Specifying Versions of a Package
- ☤ Specifying Versions of Python
- ☤ Editable Dependencies (e.g.
- ☤ Environment Management with Pipenv
- ☤ About Shell Configuration
- ☤ A Note about VCS Dependencies
- ☤ Pipfile.lock Security Features
- Advanced Usage of Pipenv
- ☤ Caveats
- ☤ Specifying Package Indexes
- ☤ Using a PyPI Mirror
- ☤ Injecting credentials into Pipfiles via environment variables
- ☤ Specifying Basically Anything
- ☤ Using pipenv for Deployments
- ☤ Pipenv and Other Python Distributions
- ☤ Generating a
- ☤ Detection of Security Vulnerabilities
- ☤ Community Integrations
- ☤ Open a Module in Your Editor
- ☤ Automatic Python Installation
- ☤ Automatic Loading of
- ☤ Custom Script Shortcuts
- ☤ Support for Environment Variables
- ☤ Configuration With Environment Variables
- ☤ Custom Virtual Environment Location
- ☤ Testing Projects
- ☤ Shell Completion
- ☤ Working with Platform-Provided Python Components
- ☤ Pipfile vs setup.py
- ☤ Changing Pipenv’s Cache Location
- ☤ Changing Default Python Versions
- Pipenv CLI Reference
- Frequently Encountered Pipenv Problems
- ☤ Your dependencies could not be resolved
- ☤ No module named
- ☤ My pyenv-installed Python is not found
- ☤ Pipenv does not respect pyenv’s global and local Python versions
- ☤ ValueError: unknown locale: UTF-8
- ☤ /bin/pip: No such file or directory
shelldoes not show the virtualenv’s name in prompt
- ☤ Pipenv does not respect dependencies in setup.py
- ☤ Using
pipenv runin Supervisor program
- ☤ An exception is raised during