[MacRuby-devel] Should Mechanize Work with MacRuby?

Joshua Ballanco jballanc at gmail.com
Fri Mar 4 07:46:46 PST 2011


Ideally every gem (or nearly every gem) that works with Ruby 1.9 should work
with MacRuby. Browsing the homepage at
http://mechanize.rubyforge.org/mechanize/ it appears that Mechanize is still
tied to Ruby 1.8.7. However, if you can get it working with Ruby 1.9.2 and
it still doesn't work with MacRuby, then that would indicated a bug. A
reduced test case would be desirable, but bug reports are always welcome.

Cheers,

Joshua Ballanco

On Thu, Mar 3, 2011 at 3:18 PM, Duane Kiefer <dekiefer at earthlink.net> wrote:

> I'm trying to use Mechanize with MacRuby but it fails with the following
> error:
>
> ---------------------------->
> Darwin::dekiefer:29-> sudo macgem install mechanize
> Password:
> Successfully installed mechanize-1.0.0
> 1 gem installed
> Darwin::dekiefer:30-> macirb
> irb(main):001:0> require 'rubygems'
> => true
> irb(main):002:0> require 'mechanize'
> => true
> irb(main):003:0> agent = Mechanize.new
> => #<Mechanize #<Mechanize::CookieJar:0x2006210a0 @jar={}> nil>
> irb(main):004:0> page= agent.get('http://google.com/')
> NoMethodError: undefined method `html_parser' for nil:NilClass
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/forwardable.rb:185:in
> `search:'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/Gems/1.9.2/gems/mechanize-1.0.0/lib/mechanize/page.rb:227:in
> `meta'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/Gems/1.9.2/gems/mechanize-1.0.0/lib/mechanize/inspect.rb:21:in
> `block'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/prettyprint.rb:199:in
> `block'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/prettyprint.rb:225:in
> `nest:'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/prettyprint.rb:198:in
> `block'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/prettyprint.rb:210:in
> `group_sub'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/prettyprint.rb:197:in
> `group:'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/Gems/1.9.2/gems/mechanize-1.0.0/lib/mechanize/inspect.rb:20:in
> `block'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/prettyprint.rb:199:in
> `block'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/prettyprint.rb:225:in
> `nest:'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/prettyprint.rb:198:in
> `block'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/prettyprint.rb:210:in
> `group_sub'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/prettyprint.rb:197:in
> `group:'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/pp.rb:164:in
> `object_group:'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/Gems/1.9.2/gems/mechanize-1.0.0/lib/mechanize/inspect.rb:16:in
> `pretty_print:'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/pp.rb:154:in
> `block'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/prettyprint.rb:199:in
> `block'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/prettyprint.rb:225:in
> `nest:'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/prettyprint.rb:198:in
> `block'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/prettyprint.rb:210:in
> `group_sub'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/prettyprint.rb:197:in
> `group:'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/pp.rb:154:in
> `pp:'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/pp.rb:77:in
> `block'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/pp.rb:121:in
> `guard_inspect_key'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/pp.rb:77:in
> `pp:'
>
>  /Library/Frameworks/MacRuby.framework/Versions/0.10/usr/lib/ruby/1.9.2/pp.rb:51:in
> `inspect'
> irb(main):005:0> NoMethodError: undefined method `html_parser' for
> nil:NilClassirb(main):005:0>
> <----------------------------------
>
> I'm using the latest version of the trunk:
> Darwin::dekiefer:3-> svn co
> http://svn.macosforge.org/repository/ruby/MacRuby/trunk MacRuby-trunk
> Checked out revision 5248.
> Darwin::dekiefer:4-> macruby -v
> MacRuby 0.10 (ruby 1.9.2) [universal-darwin10.0, x86_64]
> Darwin::dekiefer:5->
>
> _______________________________________________
> MacRuby-devel mailing list
> MacRuby-devel at lists.macosforge.org
> http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel
>
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