class Tennpipes::ShowExceptions

This module extend Sinatra::ShowExceptions adding Tennpipes as “Framework”.

@private

Public Instance Methods

call(env) click to toggle source
# File lib/tennpipes-base/application/show_exceptions.rb, line 8
def call(env)
  @app.call(env)
rescue Exception => e
  errors, env["rack.errors"] = env["rack.errors"], @@eats_errors

  if prefers_plain_text?(env)
    content_type = "text/plain"
    exception_string = dump_exception(e)
  else
    content_type = "text/html"
    exception_string = pretty(env, e)
  end

  env["rack.errors"] = errors

  # Post 893a2c50 in rack/rack, the #pretty method above, implemented in
  # Rack::ShowExceptions, returns a String instead of an array.
  body = Array(exception_string)

  [
    500,
   {"Content-Type" => content_type,
    "Content-Length" => Rack::Utils.bytesize(body.join).to_s},
   body
  ]
end

Private Instance Methods

frame_class(frame) click to toggle source
# File lib/tennpipes-base/application/show_exceptions.rb, line 38
def frame_class(frame)
  if frame.filename =~ /lib\/sinatra.*\.rb|lib\/tennpipes.*\.rb/
    "framework"
  elsif (defined?(Gem) && frame.filename.include?(Gem.dir)) ||
        frame.filename =~ /\/bin\/(\w+)$/ ||
        frame.filename =~ /Ruby\/Gems/
    "system"
  else
    "app"
  end
end