# File lib/rubytorrent/metainfo.rb, line 182
  def self.from_location(fn, http_proxy=ENV["http_proxy"])
    if http_proxy # lame!
      open(fn, "rb", :proxy => http_proxy) { |f| from_bstream(BStream.new(f)) }
    else
      open(fn, "rb") { |f| from_bstream(BStream.new(f)) }
    end
  end