Exact. There should be a ConfigurationOfPastell in MonticelloRepository. I haven't look at it recently, but I imagine that it should load XMLSupport Alexandre On 8 Jun 2010, at 20:15, Miguel Enrique Cobá MartÃnez wrote:
El mar, 08-06-2010 a las 18:13 -0400, Andrei Stebakov escribió:
I've come across this a few times using Pharo: When I try to install a new package (either through HTTP repository or Gofer) sometimes it complains about a dependency and you have a option to proceed or abandon. I guess proceeding could be dangerous in this case since you never know when this missing dependency will backfire. What's the general rule of how to look for a package with the missing class(es)? Let's say I was trying to install Pastell (XPath library) via repository and during installation I had the message:
This package depends on the following classes: XMLNodeWithElements You must resolve these dependencies before you will be able to load these definitions: XMLNodeWithElements>>/ XMLNodeWithElements>>// XMLNodeWithElements>>child: XMLNodeWithElements>>children XMLNodeWithElements>>descendant: XMLNodeWithElements>>doesNotUnderstand:
Where do I go look for a package with this class implemented? Shouldn't the package being installed check for its dependencies and install them prior to its own installation (or at least give you a hint where this missing class belongs)?
That's what Metacello is fixing for the end users. The maintainer of a package knows or can learn the dependencies needed for a given package to work in a given Pharo release. So he/she build a ConfigurationOfXXX metacello configuration stating those dependencies. Then he announces the ConfigurationOfXXX in the list and add them to the metacello repository on squeaksource.com/MetacelloRepository for the world to use.
From that point on, the users use the ConfigurationOfXXX to install a package and the package knows its dependencies and install them before the package they want.
Cheers
Thank you, Andrei
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