Deploying Django code (which needs Selenium) to heroku - Python

Question

I have a website made using Django, click a button on the website triggers a scraper to start. This scraper uses selenium. I have added the following two build packs needed for selenium to my heroku app:

1) https://github.com/heroku/heroku-buildpack-chromedriver

2) https://github.com/heroku/heroku-buildpack-google-chrome

chrome_options = webdriver.ChromeOptions()
chrome_options.binary_location='/app/.apt/usr/bin/google-chrome'
os.environ.get("GOOGLE_CHROME_BIN", "chromedriver")
browser=webdriver.Chrome(executable_path=os.environ.get("GOOGLE_CHROME_BIN", "chromedriver"),chrome_options=chrome_options)

But yet it fails to find the chromedriver and throws the error chromedriver needs to be in PATH, how to fix this issue? Where is the chromedriver executable?

Ronnie · Accepted Answer · 2019-06-18 12:20:36Z

I wanted to comment you the link, where I previously answered this question, but I don't have enough rep to comment, so anywho here you go..

Set the following path using heroku congfig:set command

heroku config:set CHROMEDRIVER_PATH=/app/.chromedriver/bin/chromedriver and heroku config:set GOOGLE_CHROME_BIN=/app/.apt/usr/bin/google-chrome

Verify the paths using heroku config command

You can use this snippet to configure your definition

import os
from selenium import webdriver
from selenium.webdriver.chrome.options import Options

def load_chrome_driver(proxy):

      options = Options()

      options.binary_location = os.environ.get('GOOGLE_CHROME_BIN')

      options.add_argument('--headless')
      options.add_argument('--disable-gpu')
      options.add_argument('--no-sandbox')
      options.add_argument('--remote-debugging-port=9222')
      options.add_argument('--proxy-server='+proxy)

      return webdriver.Chrome(executable_path=str(os.environ.get('CHROMEDRIVER_PATH')), chrome_options=options)

I'm using proxies, but you can probably avoid that.

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