使用 Railroad for Rails 时的两个错误 [英] Two errors when using Railroad for Rails
问题描述
我已经安装了 diaspora rails 应用程序 https://github.com/diaspora/diaspora我的本地机器.然后我安装了铁路图生成器 http://railroad.rubyforge.org/#download
I've installed the diaspora rails application https://github.com/diaspora/diaspora on my local machine. Then I installed the Railroads diagram generator http://railroad.rubyforge.org/#download
按照网站上的说明,我构建了一个 rake 任务来运行它,但在运行它时似乎出现了两个单独的错误.
Following the instructions on the site, I built a rake task to run it, but appear to be getting two separate errors when I run it.
第一个错误是缺少点命令:
The first error is the absence of the dot command:
sh: dot: command not found
我在没有 rake 的情况下运行时也遇到的第二个错误:
The second error I also get when running without rake:
Seans-MacBook-Pro:diaspora sean$ railroad -o models.dot -M
/Users/sean/.rvm/gems/ruby-1.9.3-p194@diaspora/gems/railroad- 0.5.0/lib/railroad/app_diagram.rb:54:in `disable_stdout': uninitialized constant AppDiagram::PLATFORM (NameError)
当我运行 rake 时:
When I run rake:
Seans-MacBook-Pro:diaspora sean$ rake doc:diagrams
WARNING: Nokogiri was built against LibXML version 2.7.3, but has dynamically loaded 2.7.8
railroad -i -l -a -m -M | dot -Tsvg | sed 's/font-size:14.00/font-size:11.00/g' > doc/models.svg
sh: dot: command not found
/Users/sean/.rvm/gems/ruby-1.9.3-p194@diaspora/gems/railroad- 0.5.0/lib/railroad/app_diagram.rb:54:in `disable_stdout': uninitialized constant AppDiagram::PLATFORM (NameError)
from /Users/sean/.rvm/gems/ruby-1.9.3-p194@diaspora/gems/railroad- 0.5.0/lib/railroad/app_diagram.rb:72:in `load_environment'
from /Users/sean/.rvm/gems/ruby-1.9.3-p194@diaspora/gems/railroad-0.5.0/lib/railroad/app_diagram.rb:18:in `initialize'
from /Users/sean/.rvm/gems/ruby-1.9.3-p194@diaspora/gems/railroad-0.5.0/lib/railroad/models_diagram.rb:14:in `initialize'
from /Users/sean/.rvm/gems/ruby-1.9.3-p194@diaspora/gems/railroad-0.5.0/bin/railroad:36:in `new'
from /Users/sean/.rvm/gems/ruby-1.9.3-p194@diaspora/gems/railroad-0.5.0/bin/railroad:36:in `<top (required)>'
我还按照此链接修改了 railroad/app_diagram.rb http://rubyforge.org/tracker/index.php?func=detail&aid=26418&group_id=3383&atid=12998
I also modified railroad/app_diagram.rb as per this link http://rubyforge.org/tracker/index.php?func=detail&aid=26418&group_id=3383&atid=12998
现在我收到此错误:
Seans-MacBook-Pro:diaspora sean$ rake doc:diagrams
WARNING: Nokogiri was built against LibXML version 2.7.3, but has dynamically loaded 2.7.8
railroad -i -l -a -m -M | dot -Tsvg | sed 's/font-size:14.00/font-size:11.00/g' > doc/models.svg
dyld: Library not loaded: /usr/lib/libltdl.7.dylib
Referenced from: /usr/local/bin/dot
Reason: image not found
Error loading application environment.
(Are you running railroad on the aplication's root directory?)
/Users/sean/.rvm/gems/ruby-1.9.3-p194@diaspora/gems/railroad-0.5.0/lib/railroad/app_diagram.rb:73:in `require': cannot load such file -- config/environment (LoadError)
from /Users/sean/.rvm/gems/ruby-1.9.3-p194@diaspora/gems/railroad- 0.5.0/lib/railroad/app_diagram.rb:73:in `load_environment'
from /Users/sean/.rvm/gems/ruby-1.9.3-p194@diaspo
我从项目根目录运行,并且文件存在.我还尝试将 .rb 添加到 app_diagram.rb 文件中的行,但没有任何更改.
I am running from the project root, and the file exists. I also tried adding .rb to the line in the app_diagram.rb file but no change.
Seans-MacBook-Pro:diaspora sean$ pwd
/Users/sean/Dropbox/rails/diaspora
Seans-MacBook-Pro:diaspora sean$ head -73 /Users/sean/.rvm/gems/ruby-1.9.3- p194@diaspora/gems/railroad-0.5.0/lib/railroad/app_diagram.rb
| tail -1
require "config/environment"
Seans-MacBook-Pro:diaspora sean$ ls -l config/environment.rb
-rw-r--r-- 1 sean staff 1481 Jul 19 14:25 config/environment.rb
推荐答案
这是您需要的程序:http://www.graphviz.org/Download_macos.php.点是绘制图形所需的程序.
This is the program you need: http://www.graphviz.org/Download_macos.php. Dot is the program which is required to draw the graphs.
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