Run parallel requests with ThreadPoolExecutor

parallel_requests.ipynb

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   "source": [
    "# Run parallel requests with ThreadPoolExecutor"
   ]
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   "execution_count": 1,
   "metadata": {
    "collapsed": true
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   "outputs": [],
   "source": [
    "import concurrent\n",
    "import requests"
   ]
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     "text": [
      "10 loops, best of 3: 51 ms per loop\n"
     ]
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   ],
   "source": [
    "%timeit response = requests.get('http://www.google.ch')"
   ]
  },
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     "text": [
      "CPU times: user 229 ms, sys: 35.7 ms, total: 265 ms\n",
      "Wall time: 2.9 s\n"
     ]
    }
   ],
   "source": [
    "%%time\n",
    "response_list = []\n",
    "for _ in range(50):\n",
    "    response_list.append(requests.get('http://www.google.ch'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "collapsed": true
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   "outputs": [],
   "source": [
    "def get_website(website):\n",
    "    return requests.get(website)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "CPU times: user 165 ms, sys: 35 ms, total: 200 ms\n",
      "Wall time: 203 ms\n"
     ]
    }
   ],
   "source": [
    "%%time\n",
    "with concurrent.futures.ThreadPoolExecutor() as p:\n",
    "    response_list_parallel = list(p.map(get_website, ('http://www.google.ch' for _ in range(50))))"
   ]
  }
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