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Pipenv Python env and dependencies

Version 2026.10.2 · source

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Start here

pipenv install
Create env, install from Pipfile
pipenv install <pkg>
Add a package
pipenv install --dev <pkg>
Add a dev package
pipenv run <cmd>
Run inside the env
pipenv shell
Activate the env
pipenv lock
Write Pipfile.lock
pipenv graph
Show dependency tree
pipenv --venv
Where is the env?

Concepts

  1. Pipfile what you want
  2. Pipfile.lock exact pins + hashes
  3. Virtualenv installed packages
  4. Your command runs in the env

Install and remove

pipenv install
Install everything from Pipfile
pipenv install <pkg>
Add a package and lock
pipenv install <pkg>==<ver>
Add with a version pin
pipenv install --dev <pkg>
Add a development package
pipenv install --categories <name> <pkg>
Add to a custom category
pipenv install -r requirements.txt
Import a requirements file
pipenv install --skip-lock
Install without re-locking
pipenv install --dry-run
Show what would be installed
pipenv uninstall <pkg>
Remove a package
pipenv uninstall --all-dev
Remove all dev packages
pipenv uninstall --all
Remove every package
pipenv clean
Uninstall packages not in the lock

Lock and sync

pipenv lock
Resolve and write Pipfile.lock
pipenv lock --clear
Lock with a fresh resolver cache
pipenv lock --pre
Allow pre-releases when locking
pipenv lock --keep-outdated
Lock without bumping existing pins
pipenv sync
Install exactly what the lock says
Never re-locks; use it in CI and on servers.
pipenv sync --dev
Sync including dev packages
pipenv install --deploy
Fail if the lock is out of date
pipenv install --ignore-pipfile
Install from the lock only
pipenv verify
Check the lock matches the Pipfile
pipenv install --system --deploy
Install the lock into system Python

Run and activate

pipenv run <cmd>
Run a command in the env
pipenv run python <file>
Run a script with the env's Python
pipenv run <script> [args]
Run a Pipfile [scripts] shortcut
pipenv shell
Spawn a shell with the env active
Leave it with exit; there is no deactivate for this subshell.
pipenv scripts
List the Pipfile shortcuts
pipenv open <module>
Open a module in your editor

Inspect

pipenv graph
Show the dependency tree
pipenv graph --reverse
Who depends on each package?
pipenv graph --json-tree
Dependency tree as JSON
pipenv update
Update and re-lock all packages
pipenv update <pkg>
Update one package and its deps
pipenv update --outdated
List what would change
pipenv update --dry-run
Preview an update
pipenv upgrade <pkg>
Re-lock one package only
pipenv check
Scan packages for known vulnerabilities
Deprecated in favour of pipenv audit; check the installed version.
pipenv scan
Enhanced vulnerability scan

Environment

pipenv --venv
Print the virtualenv path
pipenv --py
Print the env's Python path
pipenv --where
Print the project folder
pipenv --python <ver>
Create the env with a Python version
pipenv --rm
Delete the virtualenv (deprecated)
Newer versions prefer pipenv remove.
pipenv --envs
Show env vars pipenv reads
pipenv --support
Print info for a bug report
PIPENV_VENV_IN_PROJECT=1
Keep the env in ./.venv
PIPENV_PIPFILE=<path>
Use a Pipfile elsewhere
PIPENV_DONT_LOAD_ENV=1
Skip loading .env files
PIPENV_CACHE_DIR=<dir>
Custom cache folder

Export

pipenv requirements
Print requirements.txt from the lock
pipenv requirements --dev
Include dev packages
pipenv requirements --dev-only
Only dev packages
pipenv requirements --hash
Include package hashes
pipenv requirements --exclude-markers
Drop environment markers
pipenv requirements --categories <list>
Export custom categories

Pipfile

Minimal Pipfile
[[source]]url = "https://pypi.org/simple"verify_ssl = truename = "pypi"[packages]requests = "*"[dev-packages]pytest = "*"[requires]python_version = "3.12"
Script shortcuts
[scripts]start = "python app.py"test = {cmd = "pytest -q"}serve = {call = "app:main('dev')"}

Recipes

New project
mkdir app && cd apppipenv --python 3.12pipenv install requestspipenv install --dev pytestpipenv run pytest
Convert a requirements.txt project
pipenv install -r requirements.txtpipenv lockpipenv graph
CI or Docker build
pip install pipenvpipenv install --deploy --ignore-pipfilepipenv run python -m app
Export for tools that need requirements.txt 
pipenv requirements > requirements.txtpipenv requirements --dev-only > requirements-dev.txt