{
 "metadata": {
  "name": "build_and_publish_pypi"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": "# Build a debian package from a PyPI file\n\nThis is a quick-and-dirty interface to build Debian source files (.dsc) directly from PyPI. These should work on Debian, Ubuntu, and so on.\n\n## What to do\n\nEdit the values below to create something useful for yourself."
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "PyPI_name = 'argh'\nmaintainer = 'Andrew Straw <strawman@astraw.com>'\nworkdir = '/stdeb-work'\nsuite = 'precise'",
     "language": "python",
     "metadata": {},
     "outputs": []
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": "# With correct values above, the rest of this should Just Work."
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "!mkdir -p {workdir} && cd {workdir} && pypi-download {PyPI_name}",
     "language": "python",
     "metadata": {},
     "outputs": []
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "files = !cd {workdir} && ls\nfiles = [f for f in files if f != 'deb_dist'] # ignore previous builds\nassert len(files)==1\nsource_fname = files[0]",
     "language": "python",
     "metadata": {},
     "outputs": []
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "!cd {workdir} && py2dsc --maintainer \"{maintainer}\" --suite {suite} {source_fname}",
     "language": "python",
     "metadata": {},
     "outputs": []
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "import debian.deb822\n\nimport glob, os\n\ndsc_dir = os.path.join(workdir,'deb_dist')\n\ndsc_fnames = glob.glob(os.path.join(dsc_dir,'*.dsc'))\nassert len(dsc_fnames)==1\ndsc_full_fname=dsc_fnames[0]\ndsc_fname = os.path.basename(dsc_full_fname)\n\nfd = open(dsc_full_fname,mode='r')\ndsc = debian.deb822.Dsc( sequence=fd )\n\ndsc.get('Files')",
     "language": "python",
     "metadata": {},
     "outputs": []
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "upload_files = [ f['name'] for f in dsc.get('Files')]\nupload_files.append( dsc_fname )\n\ntarball_name = os.path.splitext(dsc_fname)[0] + '.tar'\nfiles_str = ' '.join(upload_files)",
     "language": "python",
     "metadata": {},
     "outputs": []
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "!tar cvf {tarball_name} -C {dsc_dir} {files_str}",
     "language": "python",
     "metadata": {},
     "outputs": []
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": "# Now download this file"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "from IPython.display import FileLink\nFileLink(tarball_name)",
     "language": "python",
     "metadata": {},
     "outputs": []
    }
   ],
   "metadata": {}
  }
 ]
}