mirror of
https://github.com/dgtlmoon/changedetection.io.git
synced 2025-11-21 17:06:09 +00:00
Compare commits
7 Commits
puppeteer-
...
html-fixes
| Author | SHA1 | Date | |
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e0ed9ce67d | ||
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ff9d8d89b5 | ||
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bb28d08666 | ||
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0f47a047e0 | ||
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afcca82f24 | ||
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f25110a984 | ||
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87e5a1afbf |
7
.github/workflows/test-only.yml
vendored
7
.github/workflows/test-only.yml
vendored
@@ -30,7 +30,7 @@ jobs:
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# Selenium+browserless
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docker run --network changedet-network -d --hostname selenium -p 4444:4444 --rm --shm-size="2g" selenium/standalone-chrome-debug:3.141.59
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docker run --network changedet-network -d --hostname browserless -e "FUNCTION_BUILT_INS=[\"fs\",\"crypto\"]" -e "DEFAULT_LAUNCH_ARGS=[\"--window-size=1920,1080\"]" --rm -p 3000:3000 --shm-size="2g" browserless/chrome:1.53-chrome-stable
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docker run --network changedet-network -d --hostname browserless -e "DEFAULT_LAUNCH_ARGS=[\"--window-size=1920,1080\"]" --rm -p 3000:3000 --shm-size="2g" browserless/chrome:1.53-chrome-stable
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- name: Build changedetection.io container for testing
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run: |
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@@ -58,11 +58,6 @@ jobs:
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# restock detection via playwright - added name=changedet here so that playwright/browserless can connect to it
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docker run --rm --name "changedet" -e "FLASK_SERVER_NAME=changedet" -e "PLAYWRIGHT_DRIVER_URL=ws://browserless:3000" --network changedet-network test-changedetectionio bash -c 'cd changedetectionio;pytest --live-server-port=5004 --live-server-host=0.0.0.0 tests/restock/test_restock.py'
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- name: Test with puppeteer fetcher and disk cache
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run: |
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docker run --rm -e "PUPPETEER_DISK_CACHE=/tmp/data/" -e "USE_EXPERIMENTAL_PUPPETEER_FETCH=yes" -e "PLAYWRIGHT_DRIVER_URL=ws://browserless:3000" --network changedet-network test-changedetectionio bash -c 'cd changedetectionio;pytest tests/fetchers/test_content.py && pytest tests/test_errorhandling.py && pytest tests/visualselector/test_fetch_data.py'
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# Browserless would have had -e "FUNCTION_BUILT_INS=[\"fs\",\"crypto\"]" added above
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- name: Test proxy interaction
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run: |
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cd changedetectionio
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@@ -1313,13 +1313,6 @@ def changedetection_app(config=None, datastore_o=None):
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update_q.put(queuedWatchMetaData.PrioritizedItem(priority=1, item={'uuid': uuid, 'skip_when_checksum_same': False}))
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flash("{} watches queued for rechecking".format(len(uuids)))
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elif (op == 'clear-history'):
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for uuid in uuids:
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uuid = uuid.strip()
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if datastore.data['watching'].get(uuid):
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datastore.clear_watch_history(uuid)
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flash("{} watches cleared/reset.".format(len(uuids)))
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elif (op == 'notification-default'):
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from changedetectionio.notification import (
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default_notification_format_for_watch
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@@ -146,6 +146,8 @@ def construct_blueprint(datastore: ChangeDetectionStore):
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from . import nonContext
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browsersteps_playwright_browser_interface_context = nonContext.c_sync_playwright()
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browsersteps_playwright_browser_interface = browsersteps_playwright_browser_interface_context.start()
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time.sleep(1)
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# At 20 minutes, some other variable is closing it
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# @todo find out what it is and set it
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seconds_keepalive = int(os.getenv('BROWSERSTEPS_MINUTES_KEEPALIVE', 10)) * 60
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@@ -169,18 +171,7 @@ def construct_blueprint(datastore: ChangeDetectionStore):
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if proxy_id:
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proxy_url = datastore.proxy_list.get(proxy_id).get('url')
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if proxy_url:
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# Playwright needs separate username and password values
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from urllib.parse import urlparse
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parsed = urlparse(proxy_url)
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proxy = {'server': proxy_url}
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if parsed.username:
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proxy['username'] = parsed.username
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if parsed.password:
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proxy['password'] = parsed.password
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print("Browser Steps: UUID {} Using proxy {}".format(uuid, proxy_url))
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# Begin the new "Playwright Context" that re-uses the playwright interface
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@@ -10,7 +10,6 @@ import time
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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'
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class Non200ErrorCodeReceived(Exception):
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def __init__(self, status_code, url, screenshot=None, xpath_data=None, page_html=None):
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# Set this so we can use it in other parts of the app
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@@ -25,12 +24,10 @@ class Non200ErrorCodeReceived(Exception):
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self.page_text = html_tools.html_to_text(page_html)
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return
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class checksumFromPreviousCheckWasTheSame(Exception):
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def __init__(self):
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return
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class JSActionExceptions(Exception):
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def __init__(self, status_code, url, screenshot, message=''):
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self.status_code = status_code
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@@ -39,7 +36,6 @@ class JSActionExceptions(Exception):
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self.message = message
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return
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class BrowserStepsStepTimout(Exception):
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def __init__(self, step_n):
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self.step_n = step_n
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@@ -55,7 +51,6 @@ class PageUnloadable(Exception):
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self.message = message
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return
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class EmptyReply(Exception):
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def __init__(self, status_code, url, screenshot=None):
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# Set this so we can use it in other parts of the app
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@@ -64,7 +59,6 @@ class EmptyReply(Exception):
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self.screenshot = screenshot
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return
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class ScreenshotUnavailable(Exception):
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def __init__(self, status_code, url, page_html=None):
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# Set this so we can use it in other parts of the app
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@@ -75,7 +69,6 @@ class ScreenshotUnavailable(Exception):
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self.page_text = html_to_text(page_html)
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return
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class ReplyWithContentButNoText(Exception):
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def __init__(self, status_code, url, screenshot=None):
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# Set this so we can use it in other parts of the app
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@@ -84,14 +77,13 @@ class ReplyWithContentButNoText(Exception):
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self.screenshot = screenshot
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return
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class Fetcher():
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browser_steps = None
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browser_steps_screenshot_path = None
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content = None
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error = None
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fetcher_description = "No description"
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headers = {}
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headers = None
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status_code = None
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webdriver_js_execute_code = None
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xpath_data = None
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@@ -113,6 +105,7 @@ class Fetcher():
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self.xpath_element_js = resource_string(__name__, "res/xpath_element_scraper.js").decode('utf-8')
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self.instock_data_js = resource_string(__name__, "res/stock-not-in-stock.js").decode('utf-8')
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@abstractmethod
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def get_error(self):
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return self.error
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@@ -159,15 +152,13 @@ class Fetcher():
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interface = steppable_browser_interface()
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interface.page = self.page
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valid_steps = filter(
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lambda s: (s['operation'] and len(s['operation']) and s['operation'] != 'Choose one' and s['operation'] != 'Goto site'),
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self.browser_steps)
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valid_steps = filter(lambda s: (s['operation'] and len(s['operation']) and s['operation'] != 'Choose one' and s['operation'] != 'Goto site'), self.browser_steps)
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for step in valid_steps:
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step_n += 1
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print(">> Iterating check - browser Step n {} - {}...".format(step_n, step['operation']))
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self.screenshot_step("before-" + str(step_n))
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self.save_step_html("before-" + str(step_n))
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self.screenshot_step("before-"+str(step_n))
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self.save_step_html("before-"+str(step_n))
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try:
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optional_value = step['optional_value']
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selector = step['selector']
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@@ -186,6 +177,8 @@ class Fetcher():
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# Stop processing here
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raise BrowserStepsStepTimout(step_n=step_n)
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# It's always good to reset these
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def delete_browser_steps_screenshots(self):
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import glob
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@@ -195,7 +188,6 @@ class Fetcher():
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for f in files:
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os.unlink(f)
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# Maybe for the future, each fetcher provides its own diff output, could be used for text, image
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# the current one would return javascript output (as we use JS to generate the diff)
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#
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@@ -213,7 +205,6 @@ def available_fetchers():
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return p
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class base_html_playwright(Fetcher):
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fetcher_description = "Playwright {}/Javascript".format(
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os.getenv("PLAYWRIGHT_BROWSER_TYPE", 'chromium').capitalize()
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@@ -277,118 +268,6 @@ class base_html_playwright(Fetcher):
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with open(destination, 'w') as f:
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f.write(content)
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def run_fetch_browserless_puppeteer(self,
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url,
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timeout,
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request_headers,
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request_body,
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request_method,
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ignore_status_codes=False,
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current_include_filters=None,
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is_binary=False):
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from pkg_resources import resource_string
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extra_wait_ms = (int(os.getenv("WEBDRIVER_DELAY_BEFORE_CONTENT_READY", 5)) + self.render_extract_delay) * 1000
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self.xpath_element_js = self.xpath_element_js.replace('%ELEMENTS%', visualselector_xpath_selectors)
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code = resource_string(__name__, "res/puppeteer_fetch.js").decode('utf-8')
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# In the future inject this is a proper JS package
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code = code.replace('%xpath_scrape_code%', self.xpath_element_js)
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code = code.replace('%instock_scrape_code%', self.instock_data_js)
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from requests.exceptions import ConnectTimeout, ReadTimeout
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wait_browserless_seconds = 240
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browserless_function_url = os.getenv('BROWSERLESS_FUNCTION_URL')
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from urllib.parse import urlparse
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if not browserless_function_url:
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# Convert/try to guess from PLAYWRIGHT_DRIVER_URL
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o = urlparse(os.getenv('PLAYWRIGHT_DRIVER_URL'))
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browserless_function_url = o._replace(scheme="http")._replace(path="function").geturl()
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# Append proxy connect string
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if self.proxy:
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import urllib.parse
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# Remove username/password if it exists in the URL or you will receive "ERR_NO_SUPPORTED_PROXIES" error
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# Actual authentication handled by Puppeteer/node
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o = urlparse(self.proxy.get('server'))
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proxy_url = urllib.parse.quote(o._replace(netloc="{}:{}".format(o.hostname, o.port)).geturl())
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browserless_function_url = f"{browserless_function_url}&--proxy-server={proxy_url}&dumpio=true"
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try:
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amp = '&' if '?' in browserless_function_url else '?'
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response = requests.request(
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method="POST",
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json={
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"code": code,
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"context": {
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# Very primitive disk cache - USE WITH EXTREME CAUTION
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# Run browserless container with -e "FUNCTION_BUILT_INS=[\"fs\",\"crypto\"]"
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'disk_cache_dir': os.getenv("PUPPETEER_DISK_CACHE", False), # or path to disk cache ending in /, ie /tmp/cache/
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'execute_js': self.webdriver_js_execute_code,
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'extra_wait_ms': extra_wait_ms,
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'include_filters': current_include_filters,
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'req_headers': request_headers,
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'screenshot_quality': int(os.getenv("PLAYWRIGHT_SCREENSHOT_QUALITY", 72)),
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'url': url,
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'user_agent': request_headers.get('User-Agent', 'Mozilla/5.0'),
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'proxy_username': self.proxy.get('username','') if self.proxy else False,
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'proxy_password': self.proxy.get('password', '') if self.proxy else False,
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'no_cache_list': [
|
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'twitter',
|
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'.pdf'
|
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],
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# Could use https://github.com/easylist/easylist here, or install a plugin
|
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'block_url_list': [
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'adnxs.com',
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'analytics.twitter.com',
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'doubleclick.net',
|
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'google-analytics.com',
|
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'googletagmanager',
|
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'trustpilot.com'
|
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]
|
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}
|
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},
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# @todo /function needs adding ws:// to http:// rebuild this
|
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url=browserless_function_url+f"{amp}--disable-features=AudioServiceOutOfProcess&dumpio=true&--disable-remote-fonts",
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timeout=wait_browserless_seconds)
|
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|
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except ReadTimeout:
|
||||
raise PageUnloadable(url=url, status_code=None, message=f"No response from browserless in {wait_browserless_seconds}s")
|
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except ConnectTimeout:
|
||||
raise PageUnloadable(url=url, status_code=None, message=f"Timed out connecting to browserless, retrying..")
|
||||
else:
|
||||
# 200 Here means that the communication to browserless worked only, not the page state
|
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if response.status_code == 200:
|
||||
import base64
|
||||
|
||||
x = response.json()
|
||||
if not x.get('screenshot'):
|
||||
# https://github.com/puppeteer/puppeteer/blob/v1.0.0/docs/troubleshooting.md#tips
|
||||
# https://github.com/puppeteer/puppeteer/issues/1834
|
||||
# https://github.com/puppeteer/puppeteer/issues/1834#issuecomment-381047051
|
||||
# Check your memory is shared and big enough
|
||||
raise ScreenshotUnavailable(url=url, status_code=None)
|
||||
|
||||
if not x.get('content', '').strip():
|
||||
raise EmptyReply(url=url, status_code=None)
|
||||
|
||||
if x.get('status_code', 200) != 200 and not ignore_status_codes:
|
||||
raise Non200ErrorCodeReceived(url=url, status_code=x.get('status_code', 200), page_html=x['content'])
|
||||
|
||||
self.content = x.get('content')
|
||||
self.headers = x.get('headers')
|
||||
self.instock_data = x.get('instock_data')
|
||||
self.screenshot = base64.b64decode(x.get('screenshot'))
|
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self.xpath_data = x.get('xpath_data')
|
||||
|
||||
else:
|
||||
# Some other error from browserless
|
||||
raise PageUnloadable(url=url, status_code=None, message=response.content.decode('utf-8'))
|
||||
|
||||
def run(self,
|
||||
url,
|
||||
timeout,
|
||||
@@ -399,24 +278,6 @@ class base_html_playwright(Fetcher):
|
||||
current_include_filters=None,
|
||||
is_binary=False):
|
||||
|
||||
# For now, USE_EXPERIMENTAL_PUPPETEER_FETCH is not supported by watches with BrowserSteps (for now!)
|
||||
has_browser_steps = self.browser_steps and list(filter(
|
||||
lambda s: (s['operation'] and len(s['operation']) and s['operation'] != 'Choose one' and s['operation'] != 'Goto site'),
|
||||
self.browser_steps))
|
||||
|
||||
if not has_browser_steps:
|
||||
if os.getenv('USE_EXPERIMENTAL_PUPPETEER_FETCH'):
|
||||
# Temporary backup solution until we rewrite the playwright code
|
||||
return self.run_fetch_browserless_puppeteer(
|
||||
url,
|
||||
timeout,
|
||||
request_headers,
|
||||
request_body,
|
||||
request_method,
|
||||
ignore_status_codes,
|
||||
current_include_filters,
|
||||
is_binary)
|
||||
|
||||
from playwright.sync_api import sync_playwright
|
||||
import playwright._impl._api_types
|
||||
|
||||
@@ -433,7 +294,7 @@ class base_html_playwright(Fetcher):
|
||||
# Set user agent to prevent Cloudflare from blocking the browser
|
||||
# Use the default one configured in the App.py model that's passed from fetch_site_status.py
|
||||
context = browser.new_context(
|
||||
user_agent=request_headers.get('User-Agent', 'Mozilla/5.0'),
|
||||
user_agent=request_headers['User-Agent'] if request_headers.get('User-Agent') else 'Mozilla/5.0',
|
||||
proxy=self.proxy,
|
||||
# This is needed to enable JavaScript execution on GitHub and others
|
||||
bypass_csp=True,
|
||||
@@ -463,12 +324,12 @@ class base_html_playwright(Fetcher):
|
||||
except playwright._impl._api_types.Error as e:
|
||||
# Retry once - https://github.com/browserless/chrome/issues/2485
|
||||
# Sometimes errors related to invalid cert's and other can be random
|
||||
print("Content Fetcher > retrying request got error - ", str(e))
|
||||
print ("Content Fetcher > retrying request got error - ", str(e))
|
||||
time.sleep(1)
|
||||
response = self.page.goto(url, wait_until='commit')
|
||||
|
||||
except Exception as e:
|
||||
print("Content Fetcher > Other exception when page.goto", str(e))
|
||||
print ("Content Fetcher > Other exception when page.goto", str(e))
|
||||
context.close()
|
||||
browser.close()
|
||||
raise PageUnloadable(url=url, status_code=None, message=str(e))
|
||||
@@ -487,7 +348,7 @@ class base_html_playwright(Fetcher):
|
||||
# This can be ok, we will try to grab what we could retrieve
|
||||
pass
|
||||
except Exception as e:
|
||||
print("Content Fetcher > Other exception when executing custom JS code", str(e))
|
||||
print ("Content Fetcher > Other exception when executing custom JS code", str(e))
|
||||
context.close()
|
||||
browser.close()
|
||||
raise PageUnloadable(url=url, status_code=None, message=str(e))
|
||||
@@ -495,7 +356,7 @@ class base_html_playwright(Fetcher):
|
||||
if response is None:
|
||||
context.close()
|
||||
browser.close()
|
||||
print("Content Fetcher > Response object was none")
|
||||
print ("Content Fetcher > Response object was none")
|
||||
raise EmptyReply(url=url, status_code=None)
|
||||
|
||||
# Run Browser Steps here
|
||||
@@ -509,7 +370,7 @@ class base_html_playwright(Fetcher):
|
||||
if len(self.page.content().strip()) == 0:
|
||||
context.close()
|
||||
browser.close()
|
||||
print("Content Fetcher > Content was empty")
|
||||
print ("Content Fetcher > Content was empty")
|
||||
raise EmptyReply(url=url, status_code=response.status)
|
||||
|
||||
self.status_code = response.status
|
||||
@@ -521,8 +382,7 @@ class base_html_playwright(Fetcher):
|
||||
else:
|
||||
self.page.evaluate("var include_filters=''")
|
||||
|
||||
self.xpath_data = self.page.evaluate(
|
||||
"async () => {" + self.xpath_element_js.replace('%ELEMENTS%', visualselector_xpath_selectors) + "}")
|
||||
self.xpath_data = self.page.evaluate("async () => {" + self.xpath_element_js.replace('%ELEMENTS%', visualselector_xpath_selectors) + "}")
|
||||
self.instock_data = self.page.evaluate("async () => {" + self.instock_data_js + "}")
|
||||
|
||||
# Bug 3 in Playwright screenshot handling
|
||||
@@ -534,8 +394,7 @@ class base_html_playwright(Fetcher):
|
||||
# acceptable screenshot quality here
|
||||
try:
|
||||
# The actual screenshot
|
||||
self.screenshot = self.page.screenshot(type='jpeg', full_page=True,
|
||||
quality=int(os.getenv("PLAYWRIGHT_SCREENSHOT_QUALITY", 72)))
|
||||
self.screenshot = self.page.screenshot(type='jpeg', full_page=True, quality=int(os.getenv("PLAYWRIGHT_SCREENSHOT_QUALITY", 72)))
|
||||
except Exception as e:
|
||||
context.close()
|
||||
browser.close()
|
||||
@@ -544,7 +403,6 @@ class base_html_playwright(Fetcher):
|
||||
context.close()
|
||||
browser.close()
|
||||
|
||||
|
||||
class base_html_webdriver(Fetcher):
|
||||
if os.getenv("WEBDRIVER_URL"):
|
||||
fetcher_description = "WebDriver Chrome/Javascript via '{}'".format(os.getenv("WEBDRIVER_URL"))
|
||||
|
||||
@@ -1,179 +0,0 @@
|
||||
module.exports = async ({page, context}) => {
|
||||
|
||||
var {
|
||||
url,
|
||||
execute_js,
|
||||
user_agent,
|
||||
extra_wait_ms,
|
||||
req_headers,
|
||||
include_filters,
|
||||
xpath_element_js,
|
||||
screenshot_quality,
|
||||
proxy_username,
|
||||
proxy_password,
|
||||
disk_cache_dir,
|
||||
no_cache_list,
|
||||
block_url_list,
|
||||
} = context;
|
||||
|
||||
await page.setBypassCSP(true)
|
||||
await page.setExtraHTTPHeaders(req_headers);
|
||||
await page.setUserAgent(user_agent);
|
||||
// https://ourcodeworld.com/articles/read/1106/how-to-solve-puppeteer-timeouterror-navigation-timeout-of-30000-ms-exceeded
|
||||
|
||||
await page.setDefaultNavigationTimeout(0);
|
||||
|
||||
if (proxy_username) {
|
||||
await page.authenticate({
|
||||
username: proxy_username,
|
||||
password: proxy_password
|
||||
});
|
||||
}
|
||||
|
||||
await page.setViewport({
|
||||
width: 1024,
|
||||
height: 768,
|
||||
deviceScaleFactor: 1,
|
||||
});
|
||||
|
||||
await page.setRequestInterception(true);
|
||||
if (disk_cache_dir) {
|
||||
console.log(">>>>>>>>>>>>>>> LOCAL DISK CACHE ENABLED <<<<<<<<<<<<<<<<<<<<<");
|
||||
}
|
||||
const fs = require('fs');
|
||||
const crypto = require('crypto');
|
||||
|
||||
function file_is_expired(file_path) {
|
||||
if (!fs.existsSync(file_path)) {
|
||||
return true;
|
||||
}
|
||||
var stats = fs.statSync(file_path);
|
||||
const now_date = new Date();
|
||||
const expire_seconds = 300;
|
||||
if ((now_date / 1000) - (stats.mtime.getTime() / 1000) > expire_seconds) {
|
||||
console.log("CACHE EXPIRED: " + file_path);
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
|
||||
}
|
||||
|
||||
page.on('request', async (request) => {
|
||||
// General blocking of requests that waste traffic
|
||||
if (block_url_list.some(substring => request.url().toLowerCase().includes(substring))) return request.abort();
|
||||
|
||||
if (disk_cache_dir) {
|
||||
const url = request.url();
|
||||
const key = crypto.createHash('md5').update(url).digest("hex");
|
||||
const dir_path = disk_cache_dir + key.slice(0, 1) + '/' + key.slice(1, 2) + '/' + key.slice(2, 3) + '/';
|
||||
|
||||
// https://stackoverflow.com/questions/4482686/check-synchronously-if-file-directory-exists-in-node-js
|
||||
|
||||
if (fs.existsSync(dir_path + key)) {
|
||||
console.log("* CACHE HIT , using - " + dir_path + key + " - " + url);
|
||||
const cached_data = fs.readFileSync(dir_path + key);
|
||||
// @todo headers can come from dir_path+key+".meta" json file
|
||||
request.respond({
|
||||
status: 200,
|
||||
//contentType: 'text/html', //@todo
|
||||
body: cached_data
|
||||
});
|
||||
return;
|
||||
}
|
||||
}
|
||||
request.continue();
|
||||
});
|
||||
|
||||
|
||||
if (disk_cache_dir) {
|
||||
page.on('response', async (response) => {
|
||||
const url = response.url();
|
||||
// Basic filtering for sane responses
|
||||
if (response.request().method() != 'GET' || response.request().resourceType() == 'xhr' || response.request().resourceType() == 'document' || response.status() != 200) {
|
||||
console.log("Skipping (not useful) - Status:" + response.status() + " Method:" + response.request().method() + " ResourceType:" + response.request().resourceType() + " " + url);
|
||||
return;
|
||||
}
|
||||
if (no_cache_list.some(substring => url.toLowerCase().includes(substring))) {
|
||||
console.log("Skipping (no_cache_list) - " + url);
|
||||
return;
|
||||
}
|
||||
response.buffer().then(buffer => {
|
||||
if (buffer.length > 100) {
|
||||
console.log("Cache - Saving " + response.request().method() + " - " + url + " - " + response.request().resourceType());
|
||||
|
||||
const key = crypto.createHash('md5').update(url).digest("hex");
|
||||
const dir_path = disk_cache_dir + key.slice(0, 1) + '/' + key.slice(1, 2) + '/' + key.slice(2, 3) + '/';
|
||||
|
||||
if (!fs.existsSync(dir_path)) {
|
||||
fs.mkdirSync(dir_path, {recursive: true})
|
||||
}
|
||||
|
||||
if (fs.existsSync(dir_path + key)) {
|
||||
if (file_is_expired(dir_path + key)) {
|
||||
fs.writeFileSync(dir_path + key, buffer);
|
||||
}
|
||||
} else {
|
||||
fs.writeFileSync(dir_path + key, buffer);
|
||||
}
|
||||
}
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
const r = await page.goto(url, {
|
||||
waitUntil: 'load'
|
||||
});
|
||||
|
||||
await page.waitForTimeout(1000);
|
||||
await page.waitForTimeout(extra_wait_ms);
|
||||
|
||||
if (execute_js) {
|
||||
await page.evaluate(execute_js);
|
||||
await page.waitForTimeout(200);
|
||||
}
|
||||
|
||||
var xpath_data;
|
||||
var instock_data;
|
||||
try {
|
||||
// Not sure the best way here, in the future this should be a new package added to npm then run in browserless
|
||||
// (Once the old playwright is removed)
|
||||
xpath_data = await page.evaluate((include_filters) => {%xpath_scrape_code%}, include_filters);
|
||||
instock_data = await page.evaluate(() => {%instock_scrape_code%});
|
||||
} catch (e) {
|
||||
console.log(e);
|
||||
}
|
||||
|
||||
// Protocol error (Page.captureScreenshot): Cannot take screenshot with 0 width can come from a proxy auth failure
|
||||
// Wrap it here (for now)
|
||||
|
||||
var b64s = false;
|
||||
try {
|
||||
b64s = await page.screenshot({encoding: "base64", fullPage: true, quality: screenshot_quality, type: 'jpeg'});
|
||||
} catch (e) {
|
||||
console.log(e);
|
||||
}
|
||||
|
||||
// May fail on very large pages with 'WARNING: tile memory limits exceeded, some content may not draw'
|
||||
if (!b64s) {
|
||||
// @todo after text extract, we can place some overlay text with red background to say 'croppped'
|
||||
console.error('ERROR: content-fetcher page was maybe too large for a screenshot, reverting to viewport only screenshot');
|
||||
try {
|
||||
b64s = await page.screenshot({encoding: "base64", quality: screenshot_quality, type: 'jpeg'});
|
||||
} catch (e) {
|
||||
console.log(e);
|
||||
}
|
||||
}
|
||||
|
||||
var html = await page.content();
|
||||
return {
|
||||
data: {
|
||||
'content': html,
|
||||
'headers': r.headers(),
|
||||
'instock_data': instock_data,
|
||||
'screenshot': b64s,
|
||||
'status_code': r.status(),
|
||||
'xpath_data': xpath_data
|
||||
},
|
||||
type: 'application/json',
|
||||
};
|
||||
};
|
||||
@@ -8,14 +8,8 @@
|
||||
// Some pages like https://www.londonstockexchange.com/stock/NCCL/ncondezi-energy-limited/analysis
|
||||
// will automatically force a scroll somewhere, so include the position offset
|
||||
// Lets hope the position doesnt change while we iterate the bbox's, but this is better than nothing
|
||||
var scroll_y = 0;
|
||||
try {
|
||||
scroll_y = +document.documentElement.scrollTop || document.body.scrollTop
|
||||
} catch (e) {
|
||||
console.log(e);
|
||||
}
|
||||
|
||||
|
||||
var scroll_y=+document.documentElement.scrollTop || document.body.scrollTop
|
||||
|
||||
// Include the getXpath script directly, easier than fetching
|
||||
function getxpath(e) {
|
||||
@@ -44,15 +38,15 @@ const findUpTag = (el) => {
|
||||
if (el.name !== undefined && el.name.length) {
|
||||
var proposed = el.tagName + "[name=" + el.name + "]";
|
||||
var proposed_element = window.document.querySelectorAll(proposed);
|
||||
if (proposed_element.length) {
|
||||
if(proposed_element.length) {
|
||||
if (proposed_element.length === 1) {
|
||||
return proposed;
|
||||
} else {
|
||||
// Some sites change ID but name= stays the same, we can hit it if we know the index
|
||||
// Find all the elements that match and work out the input[n]
|
||||
var n = Array.from(proposed_element).indexOf(el);
|
||||
var n=Array.from(proposed_element).indexOf(el);
|
||||
// Return a Playwright selector for nthinput[name=zipcode]
|
||||
return proposed + " >> nth=" + n;
|
||||
return proposed+" >> nth="+n;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@@ -12,7 +12,7 @@ window.addEventListener('hashchange', function () {
|
||||
var has_errors = document.querySelectorAll(".messages .error");
|
||||
if (!has_errors.length) {
|
||||
if (document.location.hash == "") {
|
||||
location.replace(document.querySelector(".tabs ul li:first-child a").hash);
|
||||
document.querySelector(".tabs ul li:first-child a").click();
|
||||
} else {
|
||||
set_active_tab();
|
||||
}
|
||||
|
||||
@@ -38,8 +38,7 @@
|
||||
<button class="pure-button button-secondary button-xsmall" name="op" value="recheck">Recheck</button>
|
||||
<button class="pure-button button-secondary button-xsmall" name="op" value="mark-viewed">Mark viewed</button>
|
||||
<button class="pure-button button-secondary button-xsmall" name="op" value="notification-default">Use default notification</button>
|
||||
<button class="pure-button button-secondary button-xsmall" style="background: #dd4242;" name="op" value="clear-history">Clear/reset history</button>
|
||||
<button class="pure-button button-secondary button-xsmall" style="background: #dd4242;" name="op" value="delete">Delete</button>
|
||||
<button class="pure-button button-secondary button-xsmall" style="background: #dd4242; font-size: 70%" name="op" value="delete">Delete</button>
|
||||
</div>
|
||||
{% if watches|length >= pagination.per_page %}
|
||||
{{ pagination.info }}
|
||||
|
||||
@@ -315,8 +315,7 @@ class update_worker(threading.Thread):
|
||||
self.datastore.save_screenshot(watch_uuid=uuid, screenshot=e.screenshot, as_error=True)
|
||||
|
||||
self.datastore.update_watch(uuid=uuid, update_obj={'last_error': err_text,
|
||||
'last_check_status': e.status_code,
|
||||
'has_ldjson_price_data': None})
|
||||
'last_check_status': e.status_code})
|
||||
process_changedetection_results = False
|
||||
except Exception as e:
|
||||
self.app.logger.error("Exception reached processing watch UUID: %s - %s", uuid, str(e))
|
||||
|
||||
Reference in New Issue
Block a user