Method: Cnvrg::Dataset#generate_idx

Defined in:
lib/cnvrg/dataset.rb

#generate_idx(show_progress = false) ⇒ Object



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# File 'lib/cnvrg/dataset.rb', line 649

def generate_idx(show_progress = false)
  if File.exists? "#{self.local_path}/.cnvrg/idx.yml"
    old_idx = YAML.load_file("#{self.local_path}/.cnvrg/idx.yml")
  else
    old_idx = nil
  end
  tree_idx = Hash.new(0)
  list = Dir.glob("#{self.local_path}/**/*", File::FNM_DOTMATCH).reject {|x| (x =~ /\/\.{1,2}$/) or (x =~ /^#{self.local_path}\/\.cnvrg\/*/) or (x =~ /^#{self.local_path}\/\.cnvrgignore.conflict*/) and not (x =~ /^#{self.local_path}\/\.cnvrgignore/)}
  list_ignore = self.get_ignore_list()
  if show_progress
    parallel_options = {
        :progress => {
            :title => "Checking Dataset",
            :progress_mark => '=',
            :format => "%b>>%i| %p%% %t",
            :starting_at => 0,
            :total => (list).size,
            :autofinish => true
        },
        in_threads: IDXParallelThreads,
        isolation: true
    }
  else
    parallel_options = {
        in_threads: IDXParallelThreads,
        isolation: true
    }
  end

  Parallel.map(list, parallel_options) do |e|
    label = e.gsub(self.local_path + "/", "")
    if File.directory? e
      if list_ignore.include? label
        next
      end
      tree_idx[label + "/"] = nil
    else
      if list_ignore.include? label
        next
      end
      sha1 = OpenSSL::Digest::SHA1.file(e).hexdigest
      if old_idx.nil? or old_idx.to_h["tree"].nil?
        tree_idx[label] = {sha1: sha1, commit_time: nil}
      elsif old_idx["tree"][label].nil? or old_idx["tree"][label]["sha1"] != sha1
        tree_idx[label] = {sha1: sha1, commit_time: nil}
      else
        tree_idx[label] = old_idx["tree"][label]
      end
    end
  end
  if !old_idx.nil? and !old_idx[:next_commit].nil? and !old_idx[:next_commit].empty?
    idx = {commit: old_idx.to_h[:commit], tree: tree_idx, next_commit: old_idx[:next_commit]}
  else
    idx = {commit: old_idx.to_h[:commit], tree: tree_idx}
  end
  idx_yaml = idx.to_yaml
  File.open("#{self.local_path}/.cnvrg/idx.yml", 'w') {|f| f.write idx_yaml}
  return idx
end