first tutorial sample program generates run error - help?
Reported by cyberkid81 | May 8th, 2010 @ 11:27 PM
I followed the tutorial here (and later copy and pasted the code to see if that helped) http://wiki.scrubyt.org/index.php?title=Your_First_Extractor
When running this code:
require 'rubygems'
require 'scrubyt'
google_data = Scrubyt::Extractor.define do
fetch 'http://www.google.com/ncr'
fill_textfield 'q', 'ruby'
submit
result 'Ruby Programming Language'
end
google_data.to_xml.write($stdout, 1)
Scrubyt::ResultDumper.print_statistics(google_data)
I get this error::
./google.rb
/usr/local/lib/ruby/gems/1.8/gems/scrubyt-0.4.1/lib/scrubyt/core/navigation/agents/mechanize.rb:182:in `fill_textfield': undefined method `[]=' for nil:NilClass (NoMethodError)
from /usr/local/lib/ruby/gems/1.8/gems/scrubyt-0.4.1/lib/scrubyt/core/navigation/navigation_actions.rb:27:in `eval'
from /usr/local/lib/ruby/gems/1.8/gems/scrubyt-0.4.1/lib/scrubyt/core/navigation/agents/mechanize.rb:182:in `fill_textfield'
from /usr/local/lib/ruby/gems/1.8/gems/scrubyt-0.4.1/lib/scrubyt/core/navigation/navigation_actions.rb:27:in `fill_textfield'
from ./google.rb:8
from /usr/local/lib/ruby/gems/1.8/gems/scrubyt-0.4.1/lib/scrubyt/core/shared/extractor.rb:75:in `instance_eval'
from /usr/local/lib/ruby/gems/1.8/gems/scrubyt-0.4.1/lib/scrubyt/core/shared/extractor.rb:75:in `initialize'
from /usr/local/lib/ruby/gems/1.8/gems/scrubyt-0.4.1/lib/scrubyt/core/shared/extractor.rb:32:in `new'
from /usr/local/lib/ruby/gems/1.8/gems/scrubyt-0.4.1/lib/scrubyt/core/shared/extractor.rb:32:in `define'
from ./google.rb:6
Does anyone know why that may be happening? This is a fresh installation so it may not be working 100% properly. The install is detailed here: http://scrubyt.lighthouseapp.com/projects/18686/tickets/31-jopenssl...
Thanks!
Comments and changes to this ticket
-
cyberkid81 May 8th, 2010 @ 11:34 PM
Fixed, partially by running these three commands:
gem uninstall hpricot mechanize gem install hpricot -v=0.6.164 gem install mechanize -v=0.8.5I now get an error when the Dumper runs, but the scraping looks to have worked.
./google.rb
<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 Annotation</result> <result>Watir</result> <result>[Ruby-Doc.org: Documenting the Ruby Language]</result> <result>News for ruby</result> <result>Books for ruby</result>/usr/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:440:in
load_missing_constant': uninitialized constant Scrubyt::ResultDumper (NameError)from /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:80:in `const_missing' from ./google.rb:15 -
cyberkid81 May 9th, 2010 @ 12:50 AM
i see from the code its self that the dumper is no longer working. i guess i won't use it.
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A simple to learn and use, yet powerful web scraping toolkit written in Ruby.
cyberkid81