From: "appleman@..." <appleman@...>
Date: 2006-11-26T06:00:06+09:00
Subject: Re: Strange Error with parseexcel and classifier...

I wasn't able to figure out why it was happening, but I was able to
avoid the error by changing the require 'classifier' to require
'classifier/bayes'  just in case someone else is having the same
problem.  Cheers.
appleman@gmail.com wrote:
> To recreate the error, you can run test_parser.rb that is part of the
> parseexcel test suite.  You need to first install the classifier gem.
> Just add require 'classifier' to the test before running it and you
> will get the same errors as shown:
>
>   1) Error:
> test_str_wk7(TestParser):
> NoMethodError: undefined method `downto' for 1/2:Rational
>
> C:/Ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.1.1/lib/parseexcel/parser.rb:862:in
> `str_wk'
>     test_parser.rb:521:in `test_str_wk7'
>
>   2) Error:
> test_file_bar(TestParser2):
> NoMethodError: undefined method `times' for 1/4:Rational
>
> C:/Ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.1.1/lib/parseexcel/olestorage.rb:274:in
> `get_nth_block_no'
>
> C:/Ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.1.1/lib/parseexcel/olestorage.rb:286:in
> `get_nth_pps'
>
> C:/Ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.1.1/lib/parseexcel/olestorage.rb:281:in
> `fetch'
>
> C:/Ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.1.1/lib/parseexcel/olestorage.rb:281:in
> `get_nth_pps'
>
> C:/Ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.1.1/lib/parseexcel/olestorage.rb:327:in
> `search_pps'
>
> C:/Ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.1.1/lib/parseexcel/olestorage.rb:343:in
> `search_pps'
>
> C:/Ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.1.1/lib/parseexcel/olestorage.rb:341:in
> `each'
>
> C:/Ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.1.1/lib/parseexcel/olestorage.rb:341:in
> `search_pps'
>
> C:/Ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.1.1/lib/parseexcel/parser.rb:173:in
> `parse'
>     test_parser.rb:588:in `test_file_bar'
>
> and so on...
> On Nov 25, 3:01 pm, "apple...@gmail.com" <apple...@gmail.com> wrote:
> > So I get this strange error when I have the follow two gems in the same
> > program:
> >
> > require 'parseexcel'
> > require 'classifier' #bayesian library
> >
> > Here's the error:
> > c:/Ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.1.1/lib/parseexcel/olestorage.rb:274:in
> > `get_nth_block_no': undefined method `times' for 1/2:Rational
> > (NoMethodError)
> >         from
> > c:/Ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.1.1/lib/parseexcel/olestorage.rb:286:in
> > `get_nth_pps'
> >         from
> > c:/Ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.1.1/lib/parseexcel/olestorage.rb:281:in
> > `fetch'
> >         from
> > c:/Ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.1.1/lib/parseexcel/olestorage.rb:281:in
> > `get_nth_pps'
> >         from
> > c:/Ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.1.1/lib/parseexcel/olestorage.rb:327:in
> > `search_pps'
> >         from
> > c:/Ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.1.1/lib/parseexcel/olestorage.rb:343:in
> > `search_pps'
> >         from
> > c:/Ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.1.1/lib/parseexcel/olestorage.rb:341:in
> > `each'
> >         from
> > c:/Ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.1.1/lib/parseexcel/olestorage.rb:341:in
> > `search_pps'
> >         from
> > c:/Ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.1.1/lib/parseexcel/parser.rb:173:in
> > `parse'
> >
> > When I comment out require 'classifier' then it works as expected.
> > Anyone have any clue why this would be happening?  I looked through the
> > classifier code and didn't find anything strange.
> > 
> > Any help would be appreciated.  
> > 
> > Cheers.