{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {
    "ExecuteTime": {
     "end_time": "2019-09-23T18:50:19.036357Z",
     "start_time": "2019-09-23T18:50:19.031896Z"
    }
   },
   "source": [
    "# Reshape\n",
    "\n",
    "[Reshaping](https://nexus-forge.readthedocs.io/en/latest/interaction.html#reshaping) will create a copy of a Resource while keeping a set of specified properties."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "ExecuteTime": {
     "end_time": "2019-09-23T18:50:20.068658Z",
     "start_time": "2019-09-23T18:50:19.054054Z"
    }
   },
   "outputs": [],
   "source": [
    "from kgforge.core import KnowledgeGraphForge"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "A configuration file is needed in order to create a KnowledgeGraphForge session. A configuration can be generated using the notebook [00-Initialization.ipynb](00%20-%20Initialization.ipynb)."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "forge = KnowledgeGraphForge(\"../../configurations/forge.yml\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Imports"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "from kgforge.core import Resource"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Reshaping"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### basics"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "jane = Resource(type=\"Person\", name=\"Jane Doe\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [],
   "source": [
    "john = Resource(type=\"Person\", name=\"John Smith\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [],
   "source": [
    "persons = [jane, john]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [],
   "source": [
    "resources = forge.reshape(persons, keep=[\"name\"])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "list"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "type(resources)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "kgforge.core.resource.Resource"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "type(resources[0])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{\n",
      "    type: Person\n",
      "    name: Jane Doe\n",
      "}\n"
     ]
    }
   ],
   "source": [
    "print(jane)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{\n",
      "    name: Jane Doe\n",
      "}\n"
     ]
    }
   ],
   "source": [
    "print(resources[0])"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### advanced"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [],
   "source": [
    "jane = Resource(type=\"Person\", name=\"Jane Doe\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [],
   "source": [
    "association = Resource(type=\"Association\", agent=jane)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {
    "scrolled": true
   },
   "outputs": [],
   "source": [
    "resource = forge.reshape(association, keep=[\"type\", \"agent.name\"])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{\n",
      "    type: Association\n",
      "    agent:\n",
      "    {\n",
      "        type: Person\n",
      "        name: Jane Doe\n",
      "    }\n",
      "}\n"
     ]
    }
   ],
   "source": [
    "print(association)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{\n",
      "    type: Association\n",
      "    agent:\n",
      "    {\n",
      "        name: Jane Doe\n",
      "    }\n",
      "}\n"
     ]
    }
   ],
   "source": [
    "print(resource)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### reshape versioned\n",
    "This is useful to switch resource references to versioned identifiers."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [],
   "source": [
    "jane = Resource(type=\"Person\", name=\"Jane Doe\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<action> _register_one\n",
      "<succeeded> True\n"
     ]
    }
   ],
   "source": [
    "forge.register(jane)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [],
   "source": [
    "resource = forge.reshape(jane, keep=[\"id\", \"type\"], versioned=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'id': 'https://bbp.epfl.ch/nexus/v1/resources/dke/kgforge/_/9c0d1bac-2f14-4a8b-ad6f-dc7495cc10e7',\n",
       " 'type': 'Person',\n",
       " 'name': 'Jane Doe'}"
      ]
     },
     "execution_count": 21,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "forge.as_json(jane)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{\n",
      "    id: https://bbp.epfl.ch/nexus/v1/resources/dke/kgforge/_/9c0d1bac-2f14-4a8b-ad6f-dc7495cc10e7?rev=1\n",
      "    type: Person\n",
      "}\n"
     ]
    }
   ],
   "source": [
    "print(resource)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### error handling"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {},
   "outputs": [],
   "source": [
    "john = Resource(type=\"Person\", name=\"John Smith\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {
    "scrolled": true
   },
   "outputs": [],
   "source": [
    "resource = forge.reshape(john, keep=[\"id\"], versioned=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 25,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "resource is None"
   ]
  }
 ],
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   "display_name": "Python 3.7 (nexusforgelatest)",
   "language": "python",
   "name": "nexusforgelatest"
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   "codemirror_mode": {
    "name": "ipython",
    "version": 3
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   "file_extension": ".py",
   "mimetype": "text/x-python",
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