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2 Commits

Author SHA1 Message Date
dgtlmoon
b5004055ae Add help text 2023-10-26 20:25:08 +02:00
dgtlmoon
543c0783f9 Minor regex cleanup 2023-10-26 20:23:21 +02:00
8 changed files with 45 additions and 125 deletions

View File

@@ -29,7 +29,7 @@ jobs:
docker network create changedet-network
# Selenium+browserless
docker run --network changedet-network -d --hostname selenium -p 4444:4444 --rm --shm-size="2g" selenium/standalone-chrome:4
docker run --network changedet-network -d --hostname selenium -p 4444:4444 --rm --shm-size="2g" selenium/standalone-chrome:4.14.1
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:1.60-chrome-stable
- name: Build changedetection.io container for testing

View File

@@ -1,5 +1,5 @@
# pip dependencies install stage
FROM python:3.11-slim-bookworm as builder
FROM python:3.11-slim-bullseye as builder
# See `cryptography` pin comment in requirements.txt
ARG CRYPTOGRAPHY_DONT_BUILD_RUST=1
@@ -34,9 +34,10 @@ RUN pip install --target=/dependencies playwright~=1.27.1 \
|| echo "WARN: Failed to install Playwright. The application can still run, but the Playwright option will be disabled."
# Final image stage
FROM python:3.11-slim-bookworm
FROM python:3.11-slim-bullseye
RUN apt-get update && apt-get install -y --no-install-recommends \
libssl1.1 \
libxslt1.1 \
# For pdftohtml
poppler-utils \

View File

@@ -38,7 +38,7 @@ from flask_paginate import Pagination, get_page_parameter
from changedetectionio import html_tools
from changedetectionio.api import api_v1
__version__ = '0.45.5'
__version__ = '0.45.3'
from changedetectionio.store import BASE_URL_NOT_SET_TEXT

View File

@@ -159,16 +159,6 @@ class Fetcher():
"""
return {k.lower(): v for k, v in self.headers.items()}
def browser_steps_get_valid_steps(self):
if self.browser_steps is not None and len(self.browser_steps):
valid_steps = filter(
lambda s: (s['operation'] and len(s['operation']) and s['operation'] != 'Choose one' and s['operation'] != 'Goto site'),
self.browser_steps)
return valid_steps
return None
def iterate_browser_steps(self):
from changedetectionio.blueprint.browser_steps.browser_steps import steppable_browser_interface
from playwright._impl._api_types import TimeoutError
@@ -180,7 +170,10 @@ class Fetcher():
if self.browser_steps is not None and len(self.browser_steps):
interface = steppable_browser_interface()
interface.page = self.page
valid_steps = self.browser_steps_get_valid_steps()
valid_steps = filter(
lambda s: (s['operation'] and len(s['operation']) and s['operation'] != 'Choose one' and s['operation'] != 'Goto site'),
self.browser_steps)
for step in valid_steps:
step_n += 1
@@ -333,8 +326,9 @@ class base_html_playwright(Fetcher):
# Remove username/password if it exists in the URL or you will receive "ERR_NO_SUPPORTED_PROXIES" error
# Actual authentication handled by Puppeteer/node
o = urlparse(self.proxy.get('server'))
proxy_url = urllib.parse.quote(o._replace(netloc="{}:{}".format(o.hostname, o.port)).geturl())
browserless_function_url = f"{browserless_function_url}&--proxy-server={proxy_url}"
# Remove scheme, socks5:// doesnt always work and it will autodetect anyway
proxy_url = urllib.parse.quote(o._replace(netloc="{}:{}".format(o.hostname, o.port)).geturl().replace(f"{o.scheme}://", '', 1))
browserless_function_url = f"{browserless_function_url}&--proxy-server={proxy_url}&dumpio=true"
try:
amp = '&' if '?' in browserless_function_url else '?'
@@ -478,18 +472,12 @@ class base_html_playwright(Fetcher):
browsersteps_interface = steppable_browser_interface()
browsersteps_interface.page = self.page
response = browsersteps_interface.action_goto_url(value=url)
self.headers = response.all_headers()
if response is None:
context.close()
browser.close()
print("Content Fetcher > Response object was none")
raise EmptyReply(url=url, status_code=None)
try:
response = browsersteps_interface.action_goto_url(value=url)
if self.webdriver_js_execute_code is not None and len(self.webdriver_js_execute_code):
browsersteps_interface.action_execute_js(value=self.webdriver_js_execute_code, selector=None)
except playwright._impl._api_types.TimeoutError as e:
context.close()
browser.close()
@@ -501,26 +489,31 @@ class base_html_playwright(Fetcher):
browser.close()
raise PageUnloadable(url=url, status_code=None, message=str(e))
if response is None:
context.close()
browser.close()
print("Content Fetcher > Response object was none")
raise EmptyReply(url=url, status_code=None)
extra_wait = int(os.getenv("WEBDRIVER_DELAY_BEFORE_CONTENT_READY", 5)) + self.render_extract_delay
self.page.wait_for_timeout(extra_wait * 1000)
# Run Browser Steps here
self.iterate_browser_steps()
extra_wait = int(os.getenv("WEBDRIVER_DELAY_BEFORE_CONTENT_READY", 5)) + self.render_extract_delay
self.page.wait_for_timeout(extra_wait * 1000)
self.content = self.page.content()
self.status_code = response.status
if self.status_code != 200 and not ignore_status_codes:
raise Non200ErrorCodeReceived(url=url, status_code=self.status_code)
if len(self.page.content().strip()) == 0:
context.close()
browser.close()
print("Content Fetcher > Content was empty")
raise EmptyReply(url=url, status_code=response.status)
# Run Browser Steps here
if self.browser_steps_get_valid_steps():
self.iterate_browser_steps()
self.page.wait_for_timeout(extra_wait * 1000)
self.status_code = response.status
self.headers = response.all_headers()
# So we can find an element on the page where its selector was entered manually (maybe not xPath etc)
if current_include_filters is not None:
@@ -532,7 +525,6 @@ class base_html_playwright(Fetcher):
"async () => {" + self.xpath_element_js.replace('%ELEMENTS%', visualselector_xpath_selectors) + "}")
self.instock_data = self.page.evaluate("async () => {" + self.instock_data_js + "}")
self.content = self.page.content()
# Bug 3 in Playwright screenshot handling
# Some bug where it gives the wrong screenshot size, but making a request with the clip set first seems to solve it
# JPEG is better here because the screenshots can be very very large
@@ -547,7 +539,7 @@ class base_html_playwright(Fetcher):
except Exception as e:
context.close()
browser.close()
raise ScreenshotUnavailable(url=url, status_code=response.status_code)
raise ScreenshotUnavailable(url=url, status_code=None)
context.close()
browser.close()

View File

@@ -338,7 +338,8 @@ class perform_site_check(difference_detection_processor):
# incase they specified something in '/.../x'
if re.search(PERL_STYLE_REGEX, s_re, re.IGNORECASE):
regex = html_tools.perl_style_slash_enclosed_regex_to_options(s_re)
result = re.findall(regex.encode('utf-8'), stripped_text_from_html)
# Both the regex (r) and (stripped_text_from_html) should be bytes by now
result = re.findall(rf"{regex}".encode('utf-8'), stripped_text_from_html)
for l in result:
if type(l) is tuple:

View File

@@ -127,7 +127,7 @@
<div class="pure-control-group inline-radio">
{{ render_checkbox_field(form.ignore_status_codes) }}
</div>
<fieldset id="webdriver-override-options">
<fieldset id="webdriver-override-options" class="hideable show-html_webdriver">
<div class="pure-control-group">
{{ render_field(form.webdriver_delay) }}
<div class="pure-form-message-inline">
@@ -139,6 +139,8 @@
{% endif %}
</div>
</div>
</fieldset>
<fieldset class="hideable show-html_webdriver">
<div class="pure-control-group">
{{ render_field(form.webdriver_js_execute_code) }}
<div class="pure-form-message-inline">
@@ -146,13 +148,8 @@
</div>
</div>
</fieldset>
<fieldset class="pure-group" id="requests-override-options">
{% if not playwright_enabled %}
<div class="pure-form-message-inline">
<strong>Request override is currently only used by the <i>Basic fast Plaintext/HTTP Client</i> method.</strong>
</div>
{% endif %}
<div class="pure-control-group" id="request-method">
<fieldset class="pure-group hideable show-html_requests" id="requests-override-options">
<div class="pure-control-group " id="request-method">
{{ render_field(form.method) }}
</div>
<div class="pure-control-group" id="request-headers">
@@ -384,6 +381,7 @@ Unavailable") }}
<li>Extracts text in the final output (line by line) after other filters using regular expressions or string match;
<ul>
<li>Regular expression &dash; example <code>/reports.+?2022/i</code></li>
<li>Regular expression to match across lines &dash; example <code>/FromHere.+?ToHere/is</code></li>
<li>Don't forget to consider the white-space at the start of a line <code>/.+?reports.+?2022/i</code></li>
<li>Use <code>//(?aiLmsux))</code> type flags (more <a href="https://docs.python.org/3/library/re.html#index-15">information here</a>)<br></li>
<li>Keyword example &dash; example <code>Out of stock</code></li>
@@ -455,15 +453,15 @@ Unavailable") }}
<tbody>
<tr>
<td>Check count</td>
<td>{{ "{:,}".format( watch.check_count) }}</td>
<td>{{ watch.check_count }}</td>
</tr>
<tr>
<td>Consecutive filter failures</td>
<td>{{ "{:,}".format( watch.consecutive_filter_failures) }}</td>
<td>{{ watch.consecutive_filter_failures }}</td>
</tr>
<tr>
<td>History length</td>
<td>{{ "{:,}".format(watch.history|length) }}</td>
<td>{{ watch.history|length }}</td>
</tr>
<tr>
<td>Last fetch time</td>

View File

@@ -1,19 +1,18 @@
#!/usr/bin/python3
import time
import os
from flask import url_for
from ..util import live_server_setup, wait_for_all_checks, extract_UUID_from_client
def test_setup(client, live_server):
live_server_setup(live_server)
# Add a site in paused mode, add an invalid filter, we should still have visual selector data ready
def test_visual_selector_content_ready(client, live_server):
import os
import json
assert os.getenv('PLAYWRIGHT_DRIVER_URL'), "Needs PLAYWRIGHT_DRIVER_URL set for this test"
time.sleep(1)
live_server_setup(live_server)
# Add our URL to the import page, because the docker container (playwright/selenium) wont be able to connect to our usual test url
test_url = "https://changedetection.io/ci-test/test-runjs.html"
@@ -61,75 +60,4 @@ def test_visual_selector_content_ready(client, live_server):
follow_redirects=True
)
assert b'notification_screenshot' in res.data
client.get(
url_for("form_delete", uuid="all"),
follow_redirects=True
)
def test_basic_browserstep(client, live_server):
assert os.getenv('PLAYWRIGHT_DRIVER_URL'), "Needs PLAYWRIGHT_DRIVER_URL set for this test"
#live_server_setup(live_server)
# Add our URL to the import page, because the docker container (playwright/selenium) wont be able to connect to our usual test url
test_url = "https://changedetection.io/ci-test/test-runjs.html"
res = client.post(
url_for("form_quick_watch_add"),
data={"url": test_url, "tags": '', 'edit_and_watch_submit_button': 'Edit > Watch'},
follow_redirects=True
)
assert b"Watch added in Paused state, saving will unpause" in res.data
res = client.post(
url_for("edit_page", uuid="first", unpause_on_save=1),
data={
"url": test_url,
"tags": "",
"headers": "",
'fetch_backend': "html_webdriver",
'browser_steps-0-operation': 'Goto site',
'browser_steps-1-operation': 'Click element',
'browser_steps-1-selector': 'button[name=test-button]',
'browser_steps-1-optional_value': ''
},
follow_redirects=True
)
assert b"unpaused" in res.data
wait_for_all_checks(client)
uuid = extract_UUID_from_client(client)
# Check HTML conversion detected and workd
res = client.get(
url_for("preview_page", uuid=uuid),
follow_redirects=True
)
assert b"This text should be removed" not in res.data
assert b"I smell JavaScript because the button was pressed" in res.data
# now test for 404 errors
res = client.post(
url_for("edit_page", uuid=uuid, unpause_on_save=1),
data={
"url": "https://changedetection.io/404",
"tags": "",
"headers": "",
'fetch_backend': "html_webdriver",
'browser_steps-0-operation': 'Goto site',
'browser_steps-1-operation': 'Click element',
'browser_steps-1-selector': 'button[name=test-button]',
'browser_steps-1-optional_value': ''
},
follow_redirects=True
)
assert b"unpaused" in res.data
wait_for_all_checks(client)
res = client.get(url_for("index"))
assert b'Error - 404' in res.data
client.get(
url_for("form_delete", uuid="all"),
follow_redirects=True
)

View File

@@ -68,7 +68,7 @@ services:
# browser-chrome:
# hostname: browser-chrome
# image: selenium/standalone-chrome:4
# image: selenium/standalone-chrome-debug:3.141.59
# environment:
# - VNC_NO_PASSWORD=1
# - SCREEN_WIDTH=1920