text: """
  Copyright 2018 Adam Snyder
  
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at
  
      http://www.apache.org/licenses/LICENSE-2.0
  
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
  """
  
  import os
  import time
  
  import requests
  
  
  def download_to_file(url, file_path):
      print('Downloading %s to %s' % (url, file_path))
      content = _get_web_content(url)
      write_file(file_path, content)
  
  
  def _get_web_content(url):
      for i in range(4):  # try 4 times with exponential backoff
          response = requests.get(url)
          if response.status_code / 100 == 5:  # only retry if error is a 5xx
              time_to_sleep = 2 ** i
              print('Error %d - Retrying in %d seconds...' % (response.status_code, time_to_sleep))
              time.sleep(time_to_sleep)
              continue
          break
      if response.status_code != 200:
          raise HttpResponseError(response.status_code, response.content)
      return response.content
  
  
  def write_file(file_path, content):
      directory = os.path.dirname(file_path)
      if directory and not os.path.exists(directory):
          os.makedirs(directory)
      with open(file_path, 'wb') as f:
          f.write(content)
  
  
  class HttpResponseError(RuntimeError):
      def __init__(self, status_code, content):
          self.status_code = status_code
          self.content = content
  
      def __str__(self):
          return 'HttpResponseError %d: %s' % (self.status_code, self.content)
  