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changedetection.io/changedetectionio/content_fetchers/__init__.py

44 lines
1.8 KiB

import sys
from changedetectionio.strtobool import strtobool
from loguru import logger
from changedetectionio.content_fetchers.exceptions import BrowserStepsStepException
import os
visualselector_xpath_selectors = 'div,span,form,table,tbody,tr,td,a,p,ul,li,h1,h2,h3,h4,header,footer,section,article,aside,details,main,nav,section,summary'
# available_fetchers() will scan this implementation looking for anything starting with html_
# this information is used in the form selections
from changedetectionio.content_fetchers.requests import fetcher as html_requests
def available_fetchers():
# See the if statement at the bottom of this file for how we switch between playwright and webdriver
import inspect
p = []
for name, obj in inspect.getmembers(sys.modules[__name__], inspect.isclass):
if inspect.isclass(obj):
# @todo html_ is maybe better as fetcher_ or something
# In this case, make sure to edit the default one in store.py and fetch_site_status.py
if name.startswith('html_'):
t = tuple([name, obj.fetcher_description])
p.append(t)
return p
# Decide which is the 'real' HTML webdriver, this is more a system wide config
# rather than site-specific.
use_playwright_as_chrome_fetcher = os.getenv('PLAYWRIGHT_DRIVER_URL', False)
if use_playwright_as_chrome_fetcher:
# @note - For now, browser steps always uses playwright
if not strtobool(os.getenv('FAST_PUPPETEER_CHROME_FETCHER', 'False')):
logger.debug('Using Playwright library as fetcher')
from .playwright import fetcher as html_webdriver
else:
logger.debug('Using direct Python Puppeteer library as fetcher')
from .puppeteer import fetcher as html_webdriver
else:
logger.debug("Falling back to selenium as fetcher")
from .webdriver_selenium import fetcher as html_webdriver