Constant Reloading
Reported by bahuvrihi | March 11th, 2009 @ 02:20 PM
Constant should have a way to specify constantize in a
development mode. In development mode the require_path is loaded
rather than required, and the constant is removed beforehand... the
same way controllers are reloaded.
# load the require_path in dev mode so that
# controllers will be reloaded each time
if development? && const.require_path
parent = Tap::Support::Constant.constantize(const.nesting) { nil }
if parent && parent.const_defined?(const.const_name)
parent.send(:remove_const, const.const_name)
end
load const.require_path
end
This is an entirely imperfect system however:
- if the file has any side effects, they may not be rolled back (ie anything other than defining the constant)
- if the file requires other files, they will not be reloaded (although they should remain active)
Comments and changes to this ticket
-
bahuvrihi March 11th, 2009 @ 02:44 PM
This immediately became an issue with this:
require 'tap/controller' require 'tap/http/utils' module Tap module Http # ::controller # ::ubiquity class Capture < Tap::Controller include Tap::Http::Utils class << self def cmd(what) %Q{ displayMessage("http://localhost:8080/capture/redirect"); displayMessage(jQuery('body').innerHTML); } end def preview(what) "#{what} is the what" end endAs a controller, the server tries to unload this. But as a ubiquity command, the file has already been required. As a result, when the controller unloads it cannot be reloaded and I get a dead connection.
Unloading needs to check if the file has already been required... if so, don't unload.
-
bahuvrihi May 3rd, 2009 @ 08:51 AM
- Assigned user set to “bahuvrihi”
- State changed from “new” to “resolved”
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A framework for making configurable, file-based tasks and workflows.
bahuvrihi