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ActiveSupport 3 doesn't autoload core extensions
Reported by Marc Love | February 18th, 2010 @ 09:24 PM
Update: In fact it seems none of ActiveSupport's core extensions are autoloaded anymore. Is that intentional?
If so, it would seem unwise. There's a plethora of libraries out there which depend on those core extensions. I just ran into another related issue where requiring ActiveMerchant fails because it depends on the existence of HashWithIndifferentAccess.
require 'rubygems'
require 'active_support'
class Person
cattr_accessor :type
end
results in:
NoMethodError: undefined method 'cattr_accessor' for
Person:Class from (irb):4
The old (and deprecated) loading method of "require 'activesupport'" works just fine though:
require 'rubygems'
require 'activesupport'
class Person
cattr_accessor :type
end
This raises no error and works as expected.
Comments and changes to this ticket
-
Marc Love February 18th, 2010 @ 10:49 PM
- Tag changed from “activesupport, cattr_accessor” to “active_support core_ext, activesupport, core_ext”
- Title changed from “require "active_support" doesn't provide cattr_accessor method” to “ActiveSupport 3 doesn't autoload core extensions”
-
Jacques Crocker February 19th, 2010 @ 08:29 AM
Pretty sure this is intentional. If you want everything in active_support you need to use
require 'active_support/all'That's generally a terrible idea though. The best approach for ActiveSupport 3.0 is to pick out the exact require that you need for the feature you are using. That way you avoid the overhead of loading the entire library.
-
Marc Love February 19th, 2010 @ 10:39 PM
Good to know Jacques. Thanks for the info.
It would be nice if the core team would mention this on the Rails blog. I'm sure there's going to be plenty of gem/plugin repositories out there that are going to need updating.
-
José Valim February 23rd, 2010 @ 09:31 PM
- State changed from “new” to “invalid”
Yup, this is intentional as discussed in the mailing list.
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José Valim
Marc Love