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Compass / compass

Compass is no longer actively maintained. Compass is a Stylesheet Authoring Environment that makes your website design simpler to implement and easier to maintain.
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Can't sprite image called Peru.png #1188

Open magicspon opened 11 years ago

magicspon commented 11 years ago

Hello,

I've just come across the strangest bug ever. For some reason unknown to me I can not create a sprite with an image called Peru.png. All my other flag images are being sprited with no problem, just Peru.png

I thought it might be the image itself that was the problem, but nope, this is not the case. I changed the file name and issue was gone. This is the error message I get in my terminal

"NoMethodError on line 100 of /Library/Ruby/Gems/1.8/gems/compass-0.12.2/lib/compass/sass_extensions/functions/sprites.rb: undefined method `parent' for nil:NilClass Run with --trace to see the full backtrace"

Does compass/sass have some problem with Peru? Bad Holiday?

Anyhow, hears one for the pile!

Cheers all Dave

niyingfeng commented 11 years ago

I have the same problem,like true-b.png false-b.png and so on~

jfroom commented 11 years ago

azure.png also causes an error.

s-hirvonen commented 10 years ago

I had a similiar problem with an asset called snow.png. Tracing the code it executes this function: 

    def convert_sprite_name(sprite)
      case sprite
        when Sass::Script::Value::Color
          rgb = if reversed_color_names.keys.first.size == 3
                  sprite.rgb
                else
                  # Sass 3.3 includes the alpha channel
                  sprite.rgba
                end
          identifier(reversed_color_names[rgb])
        when Sass::Script::Value::Bool
          identifier(sprite.to_s)
        else
          sprite
      end
    end

I wish I knew Ruby better, I can't really tell what's going on here and why. Nevertheless, this issue might be linked to the fact that 'peru', 'azure' and 'snow' are all HTML color names...

lolmaus commented 10 years ago

Sounds definitely like a bug and your guess seems correct to me.

Can you provide a stacktrace?

s-hirvonen commented 10 years ago

Created a new project with compass create, inserted files images/assets/Peru.png and images/assets/normal.png.

Output of compass compile --trace:

unchanged sass/ie.sass
unchanged sass/print.sass
   remove images/assets-sa069c51a4f.png
   create images/assets-s1e63a755af.png
NoMethodError on line ["137"] of /Users/shirvonen/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/compass-1.0.0.alpha.19/lib/compass/sass_extensions/functions/sprites.rb: undefined method `parent' for nil:NilClass
  /Users/shirvonen/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/sass-3.3.7/lib/sass/script/tree/funcall.rb:140:in `_perform'
  /Users/shirvonen/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/sass-3.3.7/lib/sass/script/tree/node.rb:50:in `perform'
  /Users/shirvonen/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/sass-3.3.7/lib/sass/tree/visitors/perform.rb:270:in `visit_if'
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  /Users/shirvonen/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/sass-3.3.7/lib/sass/tree/visitors/perform.rb:173:in `with_environment'
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  /Users/shirvonen/.rbenv/versions/2.1.1/bin/compass:23:in `load'
  /Users/shirvonen/.rbenv/versions/2.1.1/bin/compass:23:in `<main>'

After renaming Peru.png to foo.png, it compiles just fine.

edit: my addition to screen.sass was 

@import 'assets/*.png'
@include all-assets-sprites
lolmaus commented 10 years ago

The stacktrace points to this line:

bool(map.image_for(sprite.value).parent.nil?)

The error is undefined method `parent' for nil:NilClass.

My guess is that map.image_for() fails to resolve properly because sprite.value returns unexpected result due to what @algoni assumed: a filename is mistakenly treated as a color.

I failed to find a definition for sprite.name to check my guess.

lolmaus commented 10 years ago

Might be this one.

If this catch is correct, it makes the issue to be a Sass issue rather than Compass one.

mib32 commented 9 years ago

This error raises also when sprite name matches pattern _digits__string.png.

cimmanon commented 9 years ago

@mib32 It would not surprise me if the error for filenames with leading numbers is related to this Sass issue: https://github.com/sass/sass/issues/1722

binary1101 commented 9 years ago

I have the same problem. digits-string.png causes an error.

sarahxoxo commented 6 years ago

I have the same problem too. digits-string.png causes an error.