Class: Contest::Driver::CodeforcesDriver

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

Instance Attribute Summary

Attributes inherited from DriverBase

#args, #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/codeforces_driver.rb', line 44

def get_desc
  "Codeforces (URL: http://codeforces.com/)"
end

#get_opts_ext ⇒ Object 



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# File 'lib/contest/driver/codeforces_driver.rb', line 19

def get_opts_ext
  define_options do
    opt(
      :contest_id,
      "Contest ID (Ex: 100, 234, etc...)",
      :type => :string,
      :required => true,
    )
    opt(
      :problem_id,
      "Problem ID (Ex: A, B, etc...)",
      :type => :string,
      :required => true,
    )
  end
end

#get_problem_id(options) ⇒ Object 



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# File 'lib/contest/driver/codeforces_driver.rb', line 40

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

#get_site_name ⇒ Object 



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# File 'lib/contest/driver/codeforces_driver.rb', line 36

def get_site_name
  "Codeforces"
end

#initialize_ext ⇒ Object 



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# File 'lib/contest/driver/codeforces_driver.rb', line 13

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/codeforces_driver.rb', line 48

def resolve_language(label)
  case label
  when "clang"
    return "10"
  when "cpp"
    return "1"
  when "cpp11"
    return "16"
  when "cs"
    return "9"
  when "dlang"
    return "28"
  when "golang"
    return "32"
  when "haskell"
    return "12"
  when "java"
    return "23"
  when "ocaml"
    return "19"
  when "delphi"
    return "3"
  when "pascal"
    return "4"
  when "perl"
    return "13"
  when "php"
    return "6"
  when "python2"
    return "7"
  when "python3"
    return "31"
  when "ruby"
    return "8"
  when "scala"
    return "20"
  else
    abort "unknown languag"
  end
end

#submit_ext ⇒ Object 



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# File 'lib/contest/driver/codeforces_driver.rb', line 89

def submit_ext()
  # start
  trigger 'start'
  contest_id = @options[:contest_id]
  problem_id = @options[:problem_id]

  # login
  trigger 'before_login'
   = @client.get 'http://codeforces.com/enter'
  .form_with(:action => '') do |form|
    form.handle = @config["user"]
    form.password = @config["password"]
  end.submit
  trigger 'after_login'

  # submit
  trigger 'before_submit', @options
  # retry once
  retries = 1
  begin
    submit_page = @client.get "http://codeforces.com/contest/#{contest_id}/submit"
    res_page = submit_page.form_with(:class => 'submit-form') do |form|
      form.submittedProblemIndex = problem_id
      form.programTypeId = @options[:language]
      form.source = File.read(@options[:source])
    end.submit
  rescue => e
    raise if retries == 0
    retries -= 1
    # may not be registered practice
    if /submittedProblemIndex/ =~ e.to_s
      contest_page = @client.get "http://codeforces.com/contest/#{contest_id}"
      contest_page.form_with(:action => "") do |form|
        flag_need_to_register = false
        form.field_with(:value => "registerForPractice") do |field|
          flag_need_to_register = true
        end
        form.click_button if flag_need_to_register
      end
      sleep 3
      retry
    end
    raise
  end
  trigger 'after_submit'

  # need to get the newest waiting submissionId
  submission_id = get_submission_id(res_page.body)
  trigger(
    'before_wait',
    {
      :submission_id => submission_id,
    }
  )

  # wait result
  status = get_status_wait(contest_id, submission_id)
  trigger(
    'after_wait',
    {
      :submission_id => submission_id,
      :status => status,
      :result => get_commit_message(status),
    }
  )

  trigger 'finish'
  get_commit_message(status)
end