anchor.diff:      python-openssl \
       python-paramiko \
       python-pdftools \
  +    python-pip \
       python-psutil \
       python-psycopg2 \
       python-pybabel \
  
positive.code: FROM ubuntu:12.04
  MAINTAINER Luis Triana <luis.triana@jarsa.com.mx>
  
  RUN echo 'APT::Get::Assume-Yes "true";' >> /etc/apt/apt.conf \
  
negative.code:     python-werkzeug \
      python-xlwt \
      python-yaml \
      python-zbar \
      python-zsi \
      qrencode \
      wget \
      xmlstarlet \ 
      xsltproc \
      zbar-tools 
  