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https://github.com/pwalsh/pipenv.el

A Pipenv porcelain inside Emacs.
https://github.com/pwalsh/pipenv.el

emacs pipenv pipfile python virtualenv

Last synced: 3 months ago
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A Pipenv porcelain inside Emacs.

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README 

        
* pipenv.el



#+ATTR_HTML: :alt CircleCI image :title CircleCI

[[https://circleci.com/gh/pwalsh/pipenv.el][https://circleci.com/gh/pwalsh/pipenv.el.svg?style=svg]]



[[https://melpa.org/#/pipenv][file:https://melpa.org/packages/pipenv-badge.svg]]



A [[https://pipenv.readthedocs.io/en/latest/][Pipenv]] porcelain inside Emacs.



** Overview



[[https://pipenv.readthedocs.io/en/latest/][Pipenv]] is a tool that aims to bring the best of all packaging worlds to the Python world. It manages virtual environments, adds and removes packages, and enables deterministic build dependencies.



=pipenv.el= makes Pipenv a first-class citizen in your Emacs-driven Python development workflow with a range of interactive commands wrapping the Pipenv, a minor mode to accompany =python-mode= with a keymap for the most useful commands, and a high-level =pipenv-activate= / =pipenv-deactivate= interface for virtual environment integration with your Emacs session.



** Contributing



Contributions to documentation and code are welcome. [[https://github.com/pwalsh/pipenv.el/issues/new][Open an issue]] for discussion, or [[https://github.com/pwalsh/pipenv.el/compare][submit a PR]] for consideration.



** Installation



*** Melpa



=pipenv.el= is available on [[https://melpa.org/#/pipenv][Melpa]].



*** Spacemacs



=pipenv.el= [[https://github.com/syl20bnr/spacemacs/pull/10308][has been integrated]] in the [[http://spacemacs.org/layers/+lang/python/README.html][Python layer]].



*** Manual



Download the code with [[https://github.com/pwalsh/pipenv.el.git][git]] or as a [[https://github.com/pwalsh/pipenv.el/archive/master.zip][zip]], and then put =pipenv.el= on your Emacs load path.



** Configuration



Once installed, all Pipenv commands are available to be called interactively, and are prefixed with =pipenv-=. To add the minor mode for buffers with a Python major mode, use =(add-hook 'python-mode-hook #'pipenv-mode)=.



Here is an example of configuration with =use-package=.



#+BEGIN_SRC elisp

(use-package pipenv

  :hook (python-mode . pipenv-mode)

  :init

  (setq

   pipenv-projectile-after-switch-function

   #'pipenv-projectile-after-switch-extended))

#+END_SRC



** Features



*** Pipenv coverage



=pipenv.el= wraps the majority of the Pipenv CLI. See all commands prefixed with =pipenv-= after installation (=M-x pipenv-=).



**** =pipenv open=



=pipenv.el= reimplements Pipenv's =open= command in Emacs Lisp as =pipenv-open=, rather than shelling out to Pipenv for the logic. This is a design decision, ensuring that modules are opened in the current Emacs session, rather than in =$EDITOR= as per the Python implementation of =pipenv open=.



*** Activate and Deactivate



In addition to providing the majority of Pipenv commands, there are several custom functions available in =pipenv.el=. The most useful are =pipenv-activate= and =pipenv-deactivate=, which are used to manage the Python virtual environment for the current Emacs session.



=pipenv-activate= calls =pyvenv-activate= and sets the variable =python-shell-virtualenv-root= to that of the Pipenv project currently being visited, and =pipenv-deactivate= sets it back to the Emacs default and also calls =pyvenv-deactivate=.



*** Minor mode



The Pipenv minor mode is activated for buffers with a Python major mode. The minor mode exposes a number of key bindings for =pipenv.el= commands, prefixed by =M-p=. 



- =C-c C-p a= is bound to =pipenv-activate=

- =C-c C-p d= is bound to =pipenv-deactivate=

- =C-c C-p s= is bound to =pipenv-shell=

- =C-c C-p o= is bound to =pipenv-open=

- =C-c C-p i= is bound to =pipenv-install=

- =C-c C-p u= is bound to =pipenv-uninstall=



*** Integrations



**** Flycheck



Integration with Flycheck is enabled by default, if Flycheck is installed. The integration customises Flycheck's =flycheck-executable-find= function to search for executables in an activate Pipenv virtual environment.



Disable Flycheck integration with:



#+BEGIN_SRC elisp

(setq pipenv-with-flycheck nil)

#+END_SRC



**** Projectile



Integration with Projectile is enabled by default, if Projectile is installed. The integration adds a hook to =projectile-after-switch-project-hook=, being =pipenv-projectile-after-switch-function=, which can be customized. 



Disable Projectile integration with:



#+BEGIN_SRC elisp

(setq pipenv-with-projectile nil)

#+END_SRC



The default value for =pipenv-projectile-after-switch-function= is the function =pipenv-projectile-after-switch-default=, which simply activates the Pipenv virtual environment, if a Pipenv project is detected. 



You can set your own function to =pipenv-projectile-after-switch-function= to customise this behaviour. An example function for this is included, called =pipenv-projectile-after-switch-extended=, which, in addition to setting the virtual environment, opens a Pipenv shell, and opens a Python interpreter with =run-python=.



#+BEGIN_SRC elisp

(setq pipenv-projectile-after-switch-function #'pipenv-projectile-after-switch-extended)

#+END_SRC

**** Pyvenv



=pipenv.el= relies on [[https://stable.melpa.org/#/pyvenv/][pyvenv]] to switch between different virtual environments (=pipenv-activate= and =pipenv-deactivate=).