Module: Snapcrawl::LogHelpers

Included in:
PrettyLogger
Defined in:
lib/snapcrawl/log_helpers.rb

Constant Summary collapse

SEVERITY_COLORS = 
{
  'INFO' => :blue,
  'WARN' => :yellow,
  'ERROR' => :red,
  'FATAL' => :red,
  'DEBUG' => :cyan
}

Instance Method Summary collapse

Instance Method Details

#actual_colors ⇒ Object 



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# File 'lib/snapcrawl/log_helpers.rb', line 27

def actual_colors
  {
    red: "\e[31m", green: "\e[32m", yellow: "\e[33m",
    blue: "\e[34m", purple: "\e[35m", cyan: "\e[36m",
    underlined: "\e[4m", bold: "\e[1m",
    none: "", reset: "\e[0m"
  }
end

#colors? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/snapcrawl/log_helpers.rb', line 45

def colors?
  if Config.log_color == 'auto'
    tty?
  else
    Config.log_color
  end
end

#empty_colors ⇒ Object 



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# File 'lib/snapcrawl/log_helpers.rb', line 36

def empty_colors
  {
    red: "", green: "", yellow: "", 
    blue: "", purple: "", cyan: "",
    underlined: "", bold: "",
    none: "", reset: ""
  }
end

#log_colors ⇒ Object 



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# File 'lib/snapcrawl/log_helpers.rb', line 19

def log_colors
  @log_colors ||= log_colors!
end

#log_colors! ⇒ Object 



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# File 'lib/snapcrawl/log_helpers.rb', line 23

def log_colors!
  colors? ? actual_colors : empty_colors
end

#log_formatter ⇒ Object 



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# File 'lib/snapcrawl/log_helpers.rb', line 11

def log_formatter
  proc do |severity, _time, _prog, message|
    severity_color = SEVERITY_COLORS[severity]

    "%{#{severity_color}}#{severity.rjust 5}%{reset} : #{message}\n" % log_colors
  end
end

#tty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/snapcrawl/log_helpers.rb', line 53

def tty?
  ENV['TTY'] == 'on' ? true : ENV['TTY'] == 'off' ? false : $stdout.tty?
end