{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#     Getting Data through an API call"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "So that was the hard way to get data. Now, lets access rap lyrics the easy way using an api that was written for rap genius, courtesy <a href=\"https://twitter.com/Ed_Forson\">Ed Forson</a>, you can read more about it http://genius-api.com/\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "import urllib\n",
    "import urllib2\n",
    "import json\n",
    "import pprint #for pretty print of json files\n",
    "url = 'http://genius-api.com/api/artistInfo'\n",
    "values = {'name' : 'Gza',\n",
    "          'genre' : 'rap'}\n",
    "data = urllib.urlencode(values)\n",
    "req = urllib2.Request(url, data)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "response = urllib2.urlopen(req)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "the_page = response.read()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "decoded_data = json.loads(the_page)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "print json.dumps(decoded_data, sort_keys=True, indent=4)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "decoded_data.viewkeys()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "\n",
    "print json.dumps(decoded_data.get('songs'), sort_keys=True, indent=4)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "song_url = 'http://genius-api.com/api/songInfo' #Song information\n",
    "artist_url = 'http://genius-api.com/api/artistInfo' #artist info\n",
    "values = {'name' : 'Liquid Swords',\n",
    "          'genre' : 'rap'}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "data = urllib.urlencode(values)\n",
    "req = urllib2.Request(song_url, data)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "response = urllib2.urlopen(req)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "song_info = response.read()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "decoded_data = json.loads(song_info)\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "print json.dumps(decoded_data, sort_keys=True, indent=4)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "lyric_url = 'http://genius-api.com/api/lyricsInfo'\n",
    "parameters = {'link':'http://rapgenius.com/Gza-liquid-swords-lyrics',\n",
    "          'genre' : 'rap'}\n",
    "data = urllib.urlencode(parameters)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "req = urllib2.Request(lyric_url, data)\n",
    "response = urllib2.urlopen(req)\n",
    "lyric_info = response.read()\n",
    "decoded_data = json.loads(lyric_info)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "print json.dumps(decoded_data, sort_keys=True, indent=4)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "decoded_data.viewkeys()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "print json.dumps(decoded_data.get('lyrics'), sort_keys=True, indent=4)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "Data_under_investigation = decoded_data.get('lyrics')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "Data_under_investigation.viewkeys()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "Data_under_investigation = decoded_data.get('lyrics').get('sections')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "print json.dumps(Data_under_investigation, sort_keys=True, indent=4)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "len(Data_under_investigation)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "print json.dumps(Data_under_investigation[0].get('verses')[0].get('content'), sort_keys=True, indent=4)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "print Data_under_investigation[1].get('verses')[0].get('content')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": false
   },
   "outputs": [],
   "source": [
    "len(Data_under_investigation)"
   ]
  }
 ],
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