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Add to SafariWhen comparing Ninja IDE vs Spacemacs with Python layer, the Slant community recommends Spacemacs with Python layer for most people. In the question“What are the best free IDEs for Python?” Spacemacs with Python layer is ranked 6th while Ninja IDE is ranked 20th. The most important reason people chose Spacemacs with Python layer is:
At the heart of Spacemacs, the configuration layers group packages configuration into semantic units that can be toggled on and off. The architecture is simple but powerful allowing to easily manage configuration dependencies between hundreds of packages. Layers for other languages can be found [here](https://github.com/syl20bnr/spacemacs/tree/master/layers/+lang).
Specs
Question Ranking
Pros
Pro Syntax highlighting
Pro Extensible
Plugins can easily be created to add features that you may need but are otherwise missing from the IDE.
Pro Virtualenv support
Has out of the box support for virtualenv, which can be added when first starting a project or later through the settings.
Pro Embedded Python console
Has an embedded python console built in.
Pro Script runner
It is possible to run the project or any file opened in the editor with just one click.
Pro Find in files / find usages
Allows you to search one or more words, a regular expression, etc.
Pro Breakpoints
Pro Multi-platform
- GNU/Linux
- OS X
- Windows
Pro Built-in static analysis
NInja IDE highlights both static and PEP8 errors in a file. With each type of error having its own icon.
Pro Web-inspector
Pro Render HTML files
Also supports rendering HTML files currently loaded in the editor.
Pro Project management
Allows you to manage projects, saving descriptions and information about them and letting the user to perform file management related task inside the IDE itself.
Pro Easily locate code
Code locator allows quick and direct access to any file, function or class inside one of the project by simply pressing a few keys. Pressing Ctrl + K open a popup over a text field, where you can type the name of what you want.
Pro Symbols explorer built in
You can easily see all functions, classes and attributes in the current program.
Pro Written in Python
Pro Bash support
Pro Sublime snippets
Pro Multi-language support
Pro Support for different languages with layers
At the heart of Spacemacs, the configuration layers group packages configuration into semantic units that can be toggled on and off. The architecture is simple but powerful allowing to easily manage configuration dependencies between hundreds of packages.
Layers for other languages can be found here.
Pro Easy to remember keybindings
Key bindings are organized in mnemonic namespaces. For instance buffer actions are under b, file actions under f, project actions under p, search actions under s etc...
Key bindings are consistent across the whole distribution thanks to a set of conventions.
Pro Great support from the community
The community is very active and there is a welcoming gitter chat to ask for questions.
Pro Free/Libre/Open
Pro It includes org-mode
Pro Easy to manage configuration dependencies
At the heart of Spacemacs, the configuration layers group packages configuration into semantic units that can be toggled on and off. The architecture is simple but powerful allowing to easily manage configuration dependencies between hundreds of packages.
Pro Gradual learning curve
Evil package is a first class citizen, Spacemacs embraces it from day one. Evil package allows Vim users to be productive very quickly while still allowing regular Emacs users to use Spacemacs.
Pro Above average documentation quality
Documentation is mandatory for each new configuration layer and can be accessed directly within the editor in Org format.
Cons
Con Latest version (2.3) is from 2013
But it looks like the project is still maintained towards 3.0 release.
Con Bad performance
Freezes and slows down often.
Con Configured in Emacs Lisp
Most developers don't know Lisp all that well, and of those, the subset that knows elisp is even smaller. Thankfully, it's not that difficult to get a basic Spacemacs configuration together without knowing elisp (thanks to Spacemacs's spectacular documentation), but if you need to alter, fix, or customize a plugin/layer in non-trivial ways, this can become a major hindrance.
Con Not an IDE
For users that aren't familiar with Vim or Emacs, Spacemacs will have a steep learning curve since everything is based on keyboard shortcuts and IDE-based users (or even users coming from editors like SublimeText or Atom) may have trouble finding things and adjusting to a new editing style.
Con Slow startup time
Although configuration is heavily lazy loaded, the starting time of Spacemacs is usually between two and five seconds. Emacs can be run as a daemon though which reduces the clients startup time to a few milliseconds.
