Table of Contents

• Overview
  • Commands
  • Pipfile
• How-to
  • Update dependencies
• Discussions
  • About Pipfile.lock
• Reference
  • pipenv install

Overview

Commands

pipenv --python 3.6          # specify python version for venv
pipenv --where               # output project path
pipenv --venv                # output venv path
pipenv --py                  # output python path
pipenv --rm                  # remove existing venv
pipenv graph                 # show dependency graph
pipenv install -e . --dev    # for dev
pipenv install requests      # add dependency
pipenv install pytest --dev  # add dev dependency
pipenv install --dev         # install all dependencies including dev
pipenv sync                  # install dependencies specified in Pipfile.lock
pipenv clean                 # remove packages not specified in Pipfile.lock
pipenv uninstall --all       # Clear
pipenv shell                 # run a shell activated venv
pipenv run python            # run a command with venv activated

• When executing pipenv shell or pipenv run, .env is loaded

Pipfile

[[source]]
url = "https://pypi.org/simple"
verify_ssl = true
name = "pypi"

[packages]
ipython = "<6.5"
jupyter = "*"

[dev-packages]

[requires]
python_version = "3.6"

How-to

Update dependencies howto

• Run pipenv update, which will refresh Pipefile.lock and install dependencies based on the file.

Discussions

About Pipfile.lock discussion

• Use pipenv lock to create Pipfile.lock.
• If you have a problem when running pipenv lock, use pipenv lock --clear to clear cache.
• It declares all dependencies of the project, their latest available versions, and the hashes.

Reference

pipenv install

• pipenv install just installs only packages defined in [packages]
• pipenv install --dev installs packages in [dev-packages] along with packges in [packages]