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jayfallon says...

Nov 02, 2009

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Apprise · Fingertips

Last friday Eloy and I participated in the Ruby en Rails Rails Rumble 2009, we had 8 hours to write an application which helped developers find out more information about the dependencies in their Rails application.

Our submission is called Apprise. Apprise is a tool to check gem dependencies and external repositories for newer versions of the currently installed ones in your Rails application.

To be more specific, it looks for three sources of dependencies. Git and Subversion externals in vendor/plugins and bundled Gems in the Gemfile. Checking for Gem dependencies is delegated to Bundler. If you don’t use Bundler to manage Gem dependencies you will still see outdated externals and submodules.

Outdated dependencies are listed and you can decide to update the externals, submodules or gems.
$ apprise                 
Outdated dependencies
 * forestwatcher (Subversion external)
 * risosu-san (Git submodule)
 * miso (Gem)
If you want to try it out you can easily install the gem and run the command in the root of your Rails application.
$ gem install apprise --source http://gemcutter.org
Unfortunately we did not win, but our patch for Bundler to list outdated gems was pulled by Yehuda Katz right after the competition.

via fngtps.com

Apprise is a tool to check gem dependencies and external repositories of the currently installed gems in your Rails application.

Filed under: RoR

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mschultz says...

Oct 10, 2009

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Ryan Bates' re-make of the Rails blog app demo

An oldie but a goodie. Ryan Bates' (of Railscasts.com fame) excellent remake of David Heinemeier Hansson's original 15 minute Ruby on Rails blogging app demo.

Filed under: ror

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white says...

Oct 04, 2009

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Okay, I figured out the problem with Scrubyt. And guess what, it was a bad gem. You know, I'm starting to hate all this stuff already. I don't want to mess with gem package versions, and it looks like I'm getting into this too often nowadays.

Whatever, lets go through the problem.

Here is my code:

1 require 'rubygems'

2 require 'scrubyt'

3

4 google_data = Scrubyt::Extractor.define do

5 fetch 'http://www.google.com/ncr'

6 fill_textfield 'q', 'ruby'

7 submit

8

9 result 'Ruby Programming Language'

10 end

11

12 google_data.to_xml.write($stdout, 1)

13 Scrubyt::ResultDumper.print_statistics(google_data)

I was running mechanize-0.9.3 (I think it was the most recent one). The problem was solved with uninstalling 0.9.3, and getting 0.8.5:

white@iwhite:~> sudo gem install mechanize -v=0.8.5

Successfully installed mechanize-0.8.5

1 gem installed

And now lets try the code:

white@iwhite:~> ruby s.rb

<root>

<result>Ruby Programming Language</result>

<result>Download Ruby</result>

<result>Ruby - The Inspirational Weight Loss Journey on the Style Network ...</result>

<result>Ruby (programming language) - Wikipedia, the free encyclopedia</result>

<result>Ruby - Wikipedia, the free encyclopedia</result>

<result>Ruby on Rails</result>

<result>Ruby&#39;s Diner - rubys.com</result>

<result>Ruby Central</result>

<result>Ruby Annotation</result>

<result>[Ruby-Doc.org: Documenting the Ruby Language]</result>

<result>Blog posts about ruby</result>

/Library/Ruby/Gems/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:440:in `load_missing_constant': uninitialized constant Scrubyt::ResultDumper (NameError)

from /Library/Ruby/Gems/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:80:in `const_missing'

from s.rb:13

</root>

Wow, it works.

Well, we do have an error with ResultDumper, but that's on the easy side and can be ignored. ResultDumper was indeed dropped, should be rewritten and back in the future. But it's not a big deal though.

I know also that some people were able to tweak the line 4 of the code:

4 google_data = Scrubyt::Extractor.define :agent => :firefox do

and the requests would be made through Firefox, but it didn't work for me:

white@iwhite:~> ruby s.rb

/Library/Ruby/Gems/1.8/gems/firewatir-1.6.2/lib/firewatir/firefox.rb:271:in `set_defaults': Unable to connect to machine : 127.0.0.1 on port 9997. Make sure that JSSh is properly installed and Firefox is running with '-jssh' option (Watir::Exception::UnableToStartJSShException)

from /Library/Ruby/Gems/1.8/gems/firewatir-1.6.2/lib/firewatir/firefox.rb:161:in `initialize'

from /Library/Ruby/Gems/1.8/gems/scrubyt-0.4.06/lib/scrubyt/core/navigation/agents/firewatir.rb:17:in `new'

from /Library/Ruby/Gems/1.8/gems/scrubyt-0.4.06/lib/scrubyt/core/navigation/agents/firewatir.rb:17:in `included'

from /Library/Ruby/Gems/1.8/gems/scrubyt-0.4.06/lib/scrubyt/core/navigation/agents/firewatir.rb:16:in `module_eval'

from /Library/Ruby/Gems/1.8/gems/scrubyt-0.4.06/lib/scrubyt/core/navigation/agents/firewatir.rb:16:in `included'

from /Library/Ruby/Gems/1.8/gems/scrubyt-0.4.06/lib/scrubyt/core/shared/extractor.rb:20:in `include'

from /Library/Ruby/Gems/1.8/gems/scrubyt-0.4.06/lib/scrubyt/core/shared/extractor.rb:20:in `define'

from /Library/Ruby/Gems/1.8/gems/scrubyt-0.4.06/lib/scrubyt/core/shared/extractor.rb:19:in `class_eval'

from /Library/Ruby/Gems/1.8/gems/scrubyt-0.4.06/lib/scrubyt/core/shared/extractor.rb:19:in `define'

from s.rb:4

But this is a different and I actually never tried to hunt it down. But I think it's an easy fix anyways. :)

Have fun!