Code to check that hostid% (2^32 -1) maps to distinct integers for the hosts in Simon's patch of sky

gistfile1.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/usr/local/manual/anaconda/lib/python2.7/site-packages/IPython/kernel/__init__.py:13: ShimWarning: The `IPython.kernel` package has been deprecated. You should import from ipykernel or jupyter_client instead.\n",
      "  \"You should import from ipykernel or jupyter_client instead.\", ShimWarning)\n",
      "Duplicate object type id 25 specified: \n",
      "Output object ids may not be unique.\n",
      "This may not be a problem if you do not want globally unique id values\n",
      "Duplicate object type id 40 specified: \n",
      "Output object ids may not be unique.\n",
      "This may not be a problem if you do not want globally unique id values\n",
      "Duplicate object type id 40 specified: \n",
      "Output object ids may not be unique.\n",
      "This may not be a problem if you do not want globally unique id values\n",
      "Duplicate object type id 40 specified: \n",
      "Output object ids may not be unique.\n",
      "This may not be a problem if you do not want globally unique id values\n",
      "Duplicate object type id 40 specified: \n",
      "Output object ids may not be unique.\n",
      "This may not be a problem if you do not want globally unique id values\n"
     ]
    }
   ],
   "source": [
    "from lsst.sims.catUtils.mixins import CosmologyMixin\n",
    "from lsst.sims.utils import ObservationMetaData\n",
    "from lsst.sims.catUtils.utils import ObservationMetaDataGenerator\n",
    "from lsst.sims.catalogs.generation.db import CatalogDBObject\n",
    "from lsst.sims.catalogs.measures.instance import InstanceCatalog\n",
 NORMAL > sniacatsim_rebase > GalaxyCatalog.ipynb           <<<   0% :   1:  1
"GalaxyCatalog.ipynb" 1670L, 345411C