libdnet_python.rb

require 'formula'
 
class LibdnetPython <Formula
  depends_on 'libdnet'
  url 'http://libdnet.googlecode.com/files/libdnet-1.12.tgz'
  homepage 'http://code.google.com/p/libdnet/'
  sha1 '71302be302e84fc19b559e811951b5d600d976f8'
 
  def install
    ENV["CFLAGS"] = "-O3 -w -pipe"
    system "./configure", "--disable-debug", "--disable-dependency-tracking",
                          "--prefix=#{prefix}",
                          "--mandir=#{man}"
    system "make"
    system "cd python && /usr/local/bin/python setup.py install"
  end
end

pylibpcap.rb

require 'formula'
 
class Pylibpcap <Formula
  url 'http://downloads.sourceforge.net/project/pylibpcap/pylibpcap/0.6.4/pylibpcap-0.6.4.tar.gz'
  homepage 'http://pylibpcap.sourceforge.net/'
  sha1 '30b5d2e9dc8dcf6df067a216d9ecae109ff34f86'
 
  def install
    system "/usr/local/bin/python setup.py install"
  end
end

scapy.rb

require 'formula'
 
class Scapy <Formula
  depends_on 'libdnet_python'
  depends_on 'pylibpcap'
  url 'http://www.secdev.org/projects/scapy/files/scapy-2.1.0.tar.gz'
  homepage 'http://www.secdev.org/projects/scapy/'
  sha1 'e507bc0f2a32d209f321580c9338d2ceb72ab93a'
 
  def install
    system "/usr/local/bin/python setup.py install"
  end
end