Plugins and Engines

Rails
1

I’m trying to work out how to use the functionality from a plugin in an
engine. It sounds weird, but it’s actually not so strange.

I assume I can’t just add a vendor directory to an Engine, so some
strategy for getting the plugin in the lib folder is probably necessary
(and then requiring the plugin, perhaps?).

– Yehuda K.

2

On 7/17/06, Yehuda K. [email protected] wrote:

I’m trying to work out how to use the functionality from a plugin in an
engine. It sounds weird, but it’s actually not so strange.

I assume I can’t just add a vendor directory to an Engine, so some
strategy for getting the plugin in the lib folder is probably necessary
(and then requiring the plugin, perhaps?).

– Yehuda K.

I think your saying you want to have an engine utilize a plugin?

I’m not sure I ever tried that, but I do have plugins and engines
being utilzed in the same app, it just worked.

I would expect that same to be true of an engine that needs to utilize
plugin code.

i.e
install your_plugin to vendors/plugins/your_plugin
install the generic engines plugin to vendors/plugins/engines
install your_engine into vendors/plugins/your_engine

Then when your rails env. fire ups it will run the init.rb from both
your_plugin and from the generic engines plugin, that should get the
basic environment for both accessible, but your engine will not yet
have been initialized.

Then invoke Engines.start :your_engine from environment.rb.

Where does the problem come in?

Greg

Greg F.
The Norcross Group
Forensics for the 21st Century

3

I’d have preferred if I could get the plugins in the Engine, so people
wouldn’t need to get a bunch of plugins to make my Engine work. That
said, I could just say that certain features of the Engine require
certain plugins.

Greg F. wrote:

I think your saying you want to have an engine utilize a plugin?

I’m not sure I ever tried that, but I do have plugins and engines
being utilzed in the same app, it just worked.

I would expect that same to be true of an engine that needs to utilize
plugin code.

i.e
install your_plugin to vendors/plugins/your_plugin
install the generic engines plugin to vendors/plugins/engines
install your_engine into vendors/plugins/your_engine

Then when your rails env. fire ups it will run the init.rb from both
your_plugin and from the generic engines plugin, that should get the
basic environment for both accessible, but your engine will not yet
have been initialized.

Then invoke Engines.start :your_engine from environment.rb.

Where does the problem come in?

Greg

Greg F.
The Norcross Group
Forensics for the 21st Century

4

There are engines users and dev lists.

If you want to pursue this, I would post on them.

On 7/17/06, Yehuda K. [email protected] wrote:

basic environment for both accessible, but your engine will not yet
Forensics for the 21st Century

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–
Greg F.
The Norcross Group
Forensics for the 21st Century