Class: Contest::Driver::Kattis

Inherits:
DriverBase show all
Defined in:
lib/contest/driver/kattis.rb

Instance Attribute Summary

Attributes inherited from DriverBase

#config, #options

Instance Method Summary collapse

Methods inherited from DriverBase

#define_options, #get_commit_message, #get_commit_message_ext, #get_opts, #initialize, #submit

Methods inherited from DriverEvent

#initialize, #off, #on, #trigger

Constructor Details

This class inherits a constructor from Contest::Driver::DriverBase

Instance Method Details

#get_desc ⇒ Object 



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# File 'lib/contest/driver/kattis.rb', line 49

def get_desc
  "Kattis (URL: https://open.kattis.com/)"
end

#get_opts_ext ⇒ Object 



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# File 'lib/contest/driver/kattis.rb', line 28

def get_opts_ext
  define_options do
    opt(
      :contest_id,
      "Contest ID (Ex: open, kth, liu, etc...)",
      :type => :string,
      :required => false,
    )
    opt(
      :problem_id,
      "Problem ID (Ex: aaah, listgame2, etc...)",
      :type => :string,
      :required => true,
    )
  end
end

#get_problem_id(options) ⇒ Object 



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# File 'lib/contest/driver/kattis.rb', line 53

def get_problem_id(options)
  "#{options[:problem_id]}"
end

#get_site_name ⇒ Object 



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# File 'lib/contest/driver/kattis.rb', line 45

def get_site_name
  "Kattis"
end

#get_status_wait(submission_id, subdomain) ⇒ Object 



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# File 'lib/contest/driver/kattis.rb', line 140

def get_status_wait(submission_id, subdomain)
  submission_id = submission_id.to_s
  # Wait for result
  12.times do
    sleep 10
    submission_page = @client.get "https://#{subdomain}.kattis.com/submission?id=#{submission_id}"
    status = get_submission_status(submission_id, submission_page.body)
    return status unless status == 'Running'
    trigger 'retry'
  end
  trigger 'timeout'
  return 'timeout'
end

#get_submission_id(body) ⇒ Object 



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# File 'lib/contest/driver/kattis.rb', line 154

def get_submission_id(body)
  doc = Nokogiri::HTML(body)
  return doc.xpath('//a[starts-with(@href,"submission")]')[0].inner_text().strip
end

#get_submission_status(submission_id, body) ⇒ Object 



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# File 'lib/contest/driver/kattis.rb', line 159

def get_submission_status(submission_id, body)
  doc = Nokogiri::HTML(body)
  return doc.xpath('//td[@class="status"]/span').inner_text().strip
end

#initialize_ext ⇒ Object 



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# File 'lib/contest/driver/kattis.rb', line 22

def initialize_ext
  @client = Mechanize.new {|agent|
    agent.user_agent_alias = 'Windows IE 7'
  }
end

#resolve_language(label) ⇒ Object 



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# File 'lib/contest/driver/kattis.rb', line 57

def resolve_language(label)
  case label
  when 'cpp'
    return '1'
  when 'c'
    return '2'
  when 'java'
    return '3'
  when 'python2'
    return '6'
  when 'python3'
    return '8'
  when 'cs'
    return '9'
  when 'golang'
    return '10'
  when 'objc'
     return '11'
  else
    abort 'unknown language'
  end
end

#submit_ext ⇒ Object 



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# File 'lib/contest/driver/kattis.rb', line 80

def submit_ext
  trigger 'start'
  problem_id = @options[:problem_id]

  if (@options[:contest_id])
    subdomain = @options[:contest_id]
  else
    subdomain = 'open'
  end

  # Login
  trigger 'before_login'
   = @client.get "https://#{subdomain}.kattis.com/login?email_login=true"
  .form_with(:action => 'login?email_login=true') do |form|
    form.user = @config['user']
    form.password = @config['password']
  end.submit
  trigger 'after_login'

  # Submit
  trigger 'before_submit', @options
  submit_page = @client.get "https://#{subdomain}.kattis.com/submit"
  res_page = submit_page.form_with(:name => 'upload') do |form|
    form.problem = problem_id
    form['lang'] = @options[:language]
    form.sub_code = File.read(@options[:source])
    # Use file name as main class for Java
    if (@options[:language] == resolve_language('java'))
      form['mainclass'] = @options[:source].rpartition('.')[0]
    end
    form.submit(form.button_with(:name => 'submit'))
  end.submit
  trigger 'after_submit'

  # Result
  trigger 'before_wait'
  user = @config['user']
  doc = Nokogiri::HTML(res_page.body)
  # Check for error messages
  error = doc.xpath('//p[@class="error"]')[0];
  if ((/Problem ID not found in database./ =~ error) ||
      (/Problem-id inte funnet i databasen./ =~ error))
    abort "Problem ID not found in database."
  end
  submissions_page = @client.get "https://#{subdomain}.kattis.com/users/#{user}?show=submissions"
  submission_id = get_submission_id(submissions_page.body)
  status = get_status_wait(submission_id, subdomain)
  trigger(
    'after_wait',
    {
      :submission_id => submission_id,
      :status => status,
      :result => get_commit_message(status),
    }
  )

  trigger 'finish'
  get_commit_message(status)
end