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katafrakt/_test.rb

Created October 18, 2019 21:41
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  1. katafrakt created this gist Oct 18, 2019.
    40 changes: 40 additions & 0 deletions _test.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,40 @@
    require 'shrine'
    require 'shrine/storage/file_system'
    require 'image_processing/mini_magick'

    Dir.mktmpdir do |tmp|
    Shrine.storages = {
    cache: Shrine::Storage::FileSystem.new(tmp),
    store: Shrine::Storage::FileSystem.new(tmp, prefix: 'uploads')
    }

    class Uploader < Shrine
    plugin :entity
    plugin :derivatives

    Attacher.derivatives_processor do |original|
    magick = ImageProcessing::MiniMagick.source(original)

    size_100 = magick.resize_to_limit!(100, 100)
    size_30 = magick.resize_to_limit!(30, 30)

    {original: original, small: size_100, tiny: size_30}
    end
    end

    class SomeEntity
    attr_accessor :image_data
    include Uploader::Attachment(:image)

    def initialize(image_data: nil)
    @image_data = image_data
    end
    end

    `curl https://cdn.pixabay.com/photo/2017/02/20/18/03/cat-2083492_960_720.jpg --output /#{tmp}/shrine.jpg`
    attacher = Uploader::Attacher.from_entity(SomeEntity.new, :image)
    attacher.attach(File.open("/#{tmp}/shrine.jpg"))
    p attacher.column_data
    ent = SomeEntity.new(image_data: attacher.column_data)
    ent.image_attacher.create_derivatives
    end
    22 changes: 22 additions & 0 deletions output
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,22 @@
    % Total % Received % Xferd Average Speed Time Time Time Current
    Dload Upload Total Spent Left Speed
    0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 100 139k 100 139k 0 0 397k 0 --:--:-- --:--:-- --:--:-- 397k
    "{\"id\":\"a93a8da72458e1aaffbd4ba4f697d835.jpg\",\"storage\":\"store\",\"metadata\":{\"filename\":\"shrine.jpg\",\"size\":143288,\"mime_type\":null}}"
    Traceback (most recent call last):
    16: from test_.rb:5:in `<main>'
    15: from /home/katafrakt/.rbenv/versions/2.5.6/lib/ruby/2.5.0/tmpdir.rb:93:in `mktmpdir'
    14: from test_.rb:39:in `block in <main>'
    13: from /home/katafrakt/.rbenv/versions/2.5.6/lib/ruby/gems/2.5.0/gems/shrine-3.0.1/lib/shrine/plugins/derivatives.rb:184:in `create_derivatives'
    12: from /home/katafrakt/.rbenv/versions/2.5.6/lib/ruby/gems/2.5.0/gems/shrine-3.0.1/lib/shrine/plugins/derivatives.rb:201:in `add_derivatives'
    11: from /home/katafrakt/.rbenv/versions/2.5.6/lib/ruby/gems/2.5.0/gems/shrine-3.0.1/lib/shrine/plugins/derivatives.rb:228:in `upload_derivatives'
    10: from /home/katafrakt/.rbenv/versions/2.5.6/lib/ruby/gems/2.5.0/gems/shrine-3.0.1/lib/shrine/plugins/derivatives.rb:466:in `map_derivative'
    9: from /home/katafrakt/.rbenv/versions/2.5.6/lib/ruby/gems/2.5.0/gems/shrine-3.0.1/lib/shrine/plugins/derivatives.rb:557:in `map_derivative'
    8: from /home/katafrakt/.rbenv/versions/2.5.6/lib/ruby/gems/2.5.0/gems/shrine-3.0.1/lib/shrine/plugins/derivatives.rb:557:in `inject'
    7: from /home/katafrakt/.rbenv/versions/2.5.6/lib/ruby/gems/2.5.0/gems/shrine-3.0.1/lib/shrine/plugins/derivatives.rb:557:in `each'
    6: from /home/katafrakt/.rbenv/versions/2.5.6/lib/ruby/gems/2.5.0/gems/shrine-3.0.1/lib/shrine/plugins/derivatives.rb:560:in `block in map_derivative'
    5: from /home/katafrakt/.rbenv/versions/2.5.6/lib/ruby/gems/2.5.0/gems/shrine-3.0.1/lib/shrine/plugins/derivatives.rb:575:in `map_derivative'
    4: from /home/katafrakt/.rbenv/versions/2.5.6/lib/ruby/gems/2.5.0/gems/shrine-3.0.1/lib/shrine/plugins/derivatives.rb:231:in `block in upload_derivatives'
    3: from /home/katafrakt/.rbenv/versions/2.5.6/lib/ruby/gems/2.5.0/gems/shrine-3.0.1/lib/shrine/plugins/derivatives.rb:242:in `upload_derivative'
    2: from /home/katafrakt/.rbenv/versions/2.5.6/lib/ruby/2.5.0/tempfile.rb:145:in `open'
    1: from /home/katafrakt/.rbenv/versions/2.5.6/lib/ruby/2.5.0/tempfile.rb:145:in `open'
    /home/katafrakt/.rbenv/versions/2.5.6/lib/ruby/2.5.0/tempfile.rb:145:in `initialize': No such file or directory @ rb_sysopen - /tmp/shrine20191018-47070-1f2vf8c.jpg (Errno::ENOENT)