Python pipenv

Instalar pipenv

pip install --user pipenv

Activate/Deactivate Environment

pipenv shell   # Activate
exit   # Deactivate

Locate environment

pipenv –venv   # locates for a particular project

Delete environment

pipenv –rm   # This will not remove the Pipfiles

Install/Uninstall/Update Packages

pipenv install flask         # Create virtual environment if necessary
pipenv install flask==0.12.1 # Installs specific version
pipenv install pytest –dev   # Separate dev packages from production
pipenv uninstall flask       # Uninstalls package
pipenv uninstall –all        # Uninstalls all packages
pipenv uninstall –all-dev    # Uninstalls all dev packages
pipenv update package_name   # Update specific package
pipenv update                # Updates all packages

Create/Update the lock file

  pipenv lock   # Done usually before pushing the code

To install from Pipfile

installs from pipfile along with dev pacakges; creates environment if not present; updates packages if version not mentioned

pipenv install –dev

doesn’t install dev packages; creates environment if not present; updates packages if version not mentioned

pipenv install

installs from lock file; creates environment if not present; updates packages if version not mentioned

pipenv install –ignore-pipfile

Install/Export requirements.txt

pipenv install -r requirements.txt   # installs a list of requirements
pipenv lock -r > requirements.txt   # export a list of requirements

Create environment with specific python version

pipenv shell –python 3.5   # will use python 3.5 now

Open Third Party Package

opens code in default editor; to open in vscode use environment variable EDITOR=code

pipenv open requests

Run in Environment without opening Shell

pipenv run    # e.g pipenv run python app.py

Check Security Vulnerabilities

pipenv check

List Packages and their Dependencies

pipenv graph

to resolve conflicting sub-dependencies use

pipenv graph --reverse