102 lines
4.4 KiB
Python
102 lines
4.4 KiB
Python
from seleniumwire import webdriver
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from selenium.webdriver import ChromeOptions
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from selenium.webdriver import DesiredCapabilities
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from PIL import Image
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import time, os
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import yaml
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import datetime
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import croniter
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import logging
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logging.basicConfig(format='%(asctime)s [%(levelname)s]:%(message)s', level=logging.DEBUG)
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image_path = os.environ.get("SCREEN_IMAGE_PATH", default='/tmp')
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config_file = os.environ.get("SCREEN_CONFIG", default="/app/config.yaml")
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width = os.environ.get("SCREEN_WIDTH", default="640")
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height = os.environ.get("SCREEN_HEIGHT", default="480")
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rotate = os.environ.get("SCREEN_ROTATE", default="0")
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wait = os.environ.get("SCREEN_WAIT", default="5")
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ha_url = os.environ.get("SCREEN_HA_URL", default="")
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ha_token = os.environ.get("SCREEN_HA_TOKEN", default="")
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ha_language = os.environ.get("SCREEN_HA_LANGUAGE", default="en")
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# enable browser logging
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d = DesiredCapabilities.CHROME
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d['loggingPrefs'] = {'browser': 'ALL'}
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# Open another headless browser with height extracted above
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chrome_options = ChromeOptions()
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chrome_options.add_argument("--headless")
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chrome_options.add_argument('--no-sandbox')
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chrome_options.add_argument(f"--window-size={width},{height}")
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chrome_options.add_argument(f"--lang={ha_language}")
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chrome_options.add_argument("--hide-scrollbars")
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chrome_options.add_argument('user-agent=Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, '
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'like Gecko) Chrome/68.0.3440.84 Safari/537.36')
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chrome_options.add_experimental_option('prefs', {'intl.accept_languages': ha_language})
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while True:
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config_file_modified_start = os.path.getmtime(config_file)
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logging.info(f"Reading config file {config_file}")
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config = None
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with open(config_file, "r") as stream:
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config = yaml.safe_load(stream)
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tasks = []
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for image in config["images"]:
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now = datetime.datetime.now()
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image["croniter"] = croniter.croniter(image["cron"], now)
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image["next_execution"] = image["croniter"].get_next(datetime.datetime)
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logging.info(f"First execution of {image['name']} at {image['next_execution']}.")
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tasks += [image]
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while True:
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for i, task in enumerate(tasks):
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if task["next_execution"] > datetime.datetime.now():
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continue
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logging.info(f"Running {task['name']}")
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driver = webdriver.Chrome(options=chrome_options, desired_capabilities=d)
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driver.implicitly_wait(10)
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if task.get("ha_auth"):
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#def interceptor(request):
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# if request.headers['Authorization']:
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# del request.headers['Authorization'] # Remember to delete the header first
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# request.headers['Authorization'] = f"Bearer {ha_token}" # Spoof the referer
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#driver.request_interceptor = interceptor
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def response_interceptor(req, response):
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response.headers['Access-Control-Allow-Origin'] = '*'
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driver.response_interceptor = response_interceptor
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driver.get("http://172.30.32.1:8123")
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time.sleep(int(wait))
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logging.info("Doing HA Auth")
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driver.execute_script(f"window.localStorage.setItem('hassTokens', JSON.stringify({{hassUrl: '{ha_url}', access_token: '{ha_token}', token_type: 'Bearer'}}));")
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driver.get(task["url"])
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time.sleep(int(wait))
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logging.info("Making screenshot")
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# save screenshot
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file_name = f'/tmp/{task["name"]}.png'
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driver.save_screenshot(file_name)
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# print messages
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browser_out = ""
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for entry in driver.get_log('browser'):
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browser_out += f"{entry}\n"
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logging.info(browser_out)
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image = Image.open(file_name)
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image = image.rotate(int(rotate), expand=True)
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file_name = f'{image_path}/{task["name"]}.png'
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image.save(file_name)
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tasks[i]["next_execution"] = task["croniter"].get_next(datetime.datetime)
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logging.info(f"Task finished, next execution: {tasks[i]['next_execution']}")
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config_file_modified = os.path.getmtime(config_file)
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if config_file_modified != config_file_modified_start:
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logging.info("reloading config file")
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break
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time.sleep(1)
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