Pry - An IRB Alternative on Steroids (Part 2)

Following Part 1 (https://speakerdeck.com/u/rahult/p/pry-an-irb-alternative-on-steroids-part-1) I discuss some advanced pry features and plugins like debugger, stack explorer, exception explorer etc.

Transcript

1. Rahul Trikha An IRB Alternative on Steroids Part 2 (Advanced Pry)
2. Self Introduction • @rahult • https://github.com/rahult • https://speakerdeck.com/u/rahult • Working for Katalyst Interactive
3. Agenda • Recap of Part 1 • Pry? • Basic Commands • Remote (pry-remote) • Debugger (pry-debugger) • Stack Explorer (pry-stack_explorer) • Exception Explorer (pry-exception_explorer) • Developer tools (pry-developer_tools) • Pry Plugins
4. Recap of Part 1 https://speakerdeck.com/u/rahult/p/pry-an-irb-alternative-on-steroids • Pry? (REPL - Read Evaluate Print Loop) • Basic Commands • Installation (gem install pry or gem 'pry-rails') • Navigation (cd, ls, find-method) • Viewing docs (show-doc - ?) • Viewing code (show-source - $) • Editing code (edit-method, edit) • Runtime invocation (binding.pry)
5. Remote (pry-remote) A way to start Pry remotely and to connect to it using DRb. This allows to access the state of the running program from anywhere. https://github.com/Mon-Ouie/pry-remote
6. Debugger (pry-debugger) Adds step, next, finish, and continue commands and breakpoints to Pry using debugger. https://github.com/nixme/pry-debugger
7. Stack Explorer (pry-stack_explorer) pry- stack_explorer is a plugin for the Pry REPL that enables the user to navigate the call- stack. The up, down, frame and show- stack commands are provided. https://github.com/pry/pry-stack_explorer
8. Exception Explorer (pry-exception_explorer) pry-exception_explorer is an interactive error console for MRI Ruby 1.9.2+ inspired by the Hammertime gem, which was in turn inspired by consoles found in the Lisp and Smalltalk environments. pry-exception_explorer is a plugin for the Pry REPL. https://github.com/pry/pry-exception_explorer
9. Developer Tools pry-developer_tools is a collection of Pry commands that are useful for Pry developers and Pry plugin developers. It provides commands that you can use to edit, reload, or define commands while in a Pry session. https://github.com/pry/ pry-developer_tools
10. Pry Plugins Pry can be extended by way of plugins. A plugin is very simple - it is just a gem that is automatically loaded when a Pry session starts. Plugins can be used to modify almost any aspect of Pry. https://github.com/pry/ pry/wiki/Plugins
11. Any Questions? • https://speakerdeck.com/u/rahult • pry wiki - https://github.com/pry/pry/wiki • pry irc - #pry