Top Level Namespace

Defined Under Namespace

Modules: Artbase, Pixelart Classes: Collection, ImageCollection, TokenCollection

Instance Method Summary collapse

Instance Method Details

#convert_images(collection, from: 'jpg', to: 'png', dir: 'i', overwrite: true) ⇒ Object 



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# File 'lib/artbase/helper.rb', line 14

def convert_images( collection, from: 'jpg',
                                to: 'png',
                                dir: 'i',
                                overwrite: true )
    files = Dir.glob( "./#{collection}/#{dir}/*.#{from}" )
    puts "==> converting #{files.size} image(s) from #{from} to #{to}"

    files.each_with_index do |file,i|
      dirname   = File.dirname( file )
      extname   = File.extname( file )
      basename  = File.basename( file, extname )

      ## skip convert if target / dest file already exists
      next  if overwrite == false && File.exist?( "#{dirname}/#{basename}.#{to}" )


      cmd = "magick convert #{dirname}/#{basename}.#{from} #{dirname}/#{basename}.#{to}"

      puts "   [#{i+1}/#{files.size}] - #{cmd}"
      system( cmd )

      if from == 'gif'
        ## assume multi-images for gif
        ##   save  image-0.png  to  image.png
        path0 = "#{dirname}/#{basename}-0.#{to}"
        path  = "#{dirname}/#{basename}.#{to}"

        puts "   saving #{path0} to #{path}..."

        blob = File.open( path0, 'rb' ) { |f| f.read }
        File.open( path, 'wb' ) { |f| f.write( blob ) }
      end
    end
end

#copy_image(src, dest, dump_headers: false) ⇒ Object 



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# File 'lib/artbase/helper.rb', line 94

def copy_image( src, dest,
                 dump_headers: false )
  uri = URI.parse( src )

  http = Net::HTTP.new( uri.host, uri.port )

  puts "[debug] GET #{uri.request_uri} uri=#{uri}"

  headers = { 'User-Agent' => "ruby v#{RUBY_VERSION}" }

  request = Net::HTTP::Get.new( uri.request_uri, headers )
  if uri.instance_of? URI::HTTPS
    http.use_ssl = true
    http.verify_mode = OpenSSL::SSL::VERIFY_NONE
  end

  response   = http.request( request )

  if response.code == '200'
    puts "#{response.code} #{response.message}"

    content_type   = response.content_type
    content_length = response.content_length
    puts "  content_type: #{content_type}, content_length: #{content_length}"

    if dump_headers   ## for debugging dump headers
      headers = response.each_header.to_h
      puts "htttp respone headers:"
      pp headers
    end


    format = if content_type =~ %r{image/jpeg}i
                'jpg'
             elsif content_type =~ %r{image/png}i
                'png'
              elsif content_type =~ %r{image/gif}i
                'gif'
              elsif content_type =~ %r{image/svg}i
                'svg'
             else
              puts "!! error:"
              puts " unknown image format content type: >#{content_type}<"
              exit 1
            end

    ##   make sure path exits - autocreate dirs
    ## make sure path exists
    dirname = File.dirname( "#{dest}.#{format}" )
    FileUtils.mkdir_p( dirname )  unless Dir.exist?( dirname )

    if format == 'svg'
      ## save as text  (note: assume utf-8 encoding for now)
      text = response.body.to_s
      text = text.force_encoding( Encoding::UTF_8 )

      File.open( "#{dest}.svg", 'w:utf-8' ) do |f|
        f.write( text )
      end
    else
      ## save as binary
      File.open( "#{dest}.#{format}", 'wb' ) do |f|
        f.write( response.body )
      end
    end
  else
    puts "!! error:"
    puts "#{response.code} #{response.message}"
    exit 1
  end
end

#copy_json(src, dest) ⇒ Object 



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# File 'lib/artbase/helper.rb', line 56

def copy_json( src, dest )
  uri = URI.parse( src )

  http = Net::HTTP.new( uri.host, uri.port )

  puts "[debug] GET #{uri.request_uri} uri=#{uri}"

  headers = { 'User-Agent' => "ruby v#{RUBY_VERSION}" }


  request = Net::HTTP::Get.new( uri.request_uri, headers )
  if uri.instance_of? URI::HTTPS
    http.use_ssl = true
    http.verify_mode = OpenSSL::SSL::VERIFY_NONE
  end

  response   = http.request( request )

  if response.code == '200'
    puts "#{response.code} #{response.message}"
    puts "  content_type: #{response.content_type}, content_length: #{response.content_length}"

    text = response.body.to_s
    text = text.force_encoding( Encoding::UTF_8 )

    data = JSON.parse( text )

    File.open( dest, "w:utf-8" ) do |f|
      f.write( JSON.pretty_generate( data ) )
    end
  else
    puts "!! error:"
    puts "#{response.code} #{response.message}"
    exit 1
  end
end

#counter_to_csv(counter) ⇒ Object 



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# File 'lib/artbase/attributes.rb', line 71

def counter_to_csv( counter )

  puts "type, name, count"
  counter.each do |trait_type, h|
    puts "#{trait_type}, ∑ Total, #{h[:count]}"
    h[:by_type].each do |trait_value, count|
       puts "#{trait_type}, #{trait_value}, #{count}"
    end
  end
end

#counter_to_text(counter) ⇒ Object 



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# File 'lib/artbase/attributes.rb', line 3

def counter_to_text( counter )

  counter = counter.to_a

  attribute_counter = counter[0]
  more_counter      = counter[1..-1]


  puts "Attribute Counts\n"
  trait_type, h = attribute_counter

  total = h[:by_type].values.reduce(0) { |sum,count| sum+count }


  types = h[:by_type]
  types = types.sort { |l,r| l[0]<=>r[0] }  ## sort by name

  puts "\n"
  puts "|Name|Total (%)|"
  puts "|--------|----------:|"

  types.each do |rec|
      name     = rec[0]
      count    = rec[1]
      percent =  Float(count*100)/Float(total)

      puts "| **#{name} Attributes** | #{count} (#{'%.2f' % percent}) |"
  end
  puts "\n"

  more_counter.each_with_index do |(trait_type, h),i|
    print " · "  if i > 0   ## add separator
    print "#{trait_type } (#{h[:by_type].size})"
  end
  puts "\n\n"



  more_counter.each do |trait_type, h|
    print "### #{trait_type } (#{h[:by_type].size}) - "
    print "∑Total #{h[:count]}/#{total}\n"

    puts "\n"
    puts "|Name|Total (%)|"
    puts "|--------|----------:|"

      types = h[:by_type]
      types = types.sort do |l,r|
                            # sort by 1) by count
                            #         2) by name a-z
                                  res = r[1] <=> l[1]
                                  res = l[0] <=> r[0]  if res == 0
                                  res
                         end  ## sort by count
      types.each do |rec|
         name     = rec[0]
         count    = rec[1]
         percent =  Float(count*100)/Float(total)

         puts "| **#{name}** | #{count} (#{'%.2f' % percent}) |"
      end
      puts "\n\n"
    end
end

#handle_ipfs(str, normalize: true, ipfs_gateway: Artbase.config.ipfs_gateway) ⇒ Object

quick ipfs (interplanetary file system) hack

- make more reuseable
- different name  e.g. ipfs_to_http or such - why? why not?
change/rename parameter str to url or suc - why? why not?



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# File 'lib/artbase.rb', line 85

def handle_ipfs( str, normalize:    true,
                      ipfs_gateway: Artbase.config.ipfs_gateway )

  if normalize && str.start_with?( 'https://ipfs.io/ipfs/' )
    str = str.sub( 'https://ipfs.io/ipfs/', 'ipfs://' )
  end

  if str.start_with?( 'ipfs://' )
    str = str.sub( 'ipfs://', ipfs_gateway )   # use/replace with public gateway
  end
  str
end

#pixelart ⇒ Object

our own gems



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# File 'lib/artbase.rb', line 32

require 'pixelart'

#read_json(path) ⇒ Object

commons convenience helpers

  • move read_json( path ) to shared commons/prolog/… or such - why? why not?



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# File 'lib/artbase.rb', line 22

def read_json( path )
  txt = File.open( path, 'r:utf-8' ) { |f| f.read }
  data = JSON.parse( txt )
  data
end

#retry_on_error(max_tries: 3, &block) ⇒ Object

todo/check: use a different name than retry - why? why not?



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# File 'lib/artbase/retry.rb', line 7

def retry_on_error( max_tries: 3, &block )
  errors = []
  delay = 3  ## 3 secs


    begin
      block.call

    ## note: add more exception here (separated by comma) like

    ##         rescue Errno::ETIMEDOUT, Errno::ECONNREFUSED => e

    rescue Net::ReadTimeout => e
        ##  (re)raise (use raise with arguments or such - why? why not?)

        raise    if errors.size >= max_tries

        ## ReadTimeout, a subclass of Timeout::Error, is raised if a chunk of the response cannot be read within the read_timeout.

        ##                subclass of RuntimeError

        ##                subclass of StandardError

        ##                subclass of Exception

        puts "!! ERROR - #{e}:"
        pp e

        errors << e

        puts
        puts "==> retrying (count=#{errors.size}, max_tries=#{max_tries}) in #{delay} sec(s)..."
        sleep( delay )
        retry
    end

  if errors.size > 0
    puts "  #{errors.size} retry attempt(s) on error(s):"
    pp errors
  end

  errors
end

#slugify(name) ⇒ Object 



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# File 'lib/artbase/helper.rb', line 4

def slugify( name )
  name.downcase.gsub( /[^a-z0-9 ()$_-]/ ) do |_|
     puts " !! WARN: asciify - found (and removing) non-ascii char >#{Regexp.last_match}<"
     ''  ## remove - use empty string
  end.gsub( ' ', '_')
end