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17 changed files with 220 additions and 69 deletions

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@@ -11,6 +11,8 @@ Live your data-life *pro-actively* instead of *re-actively*.
Free, Open-source web page monitoring, notification and change detection. Don't have time? [**Try our $6.99/month subscription - unlimited checks and watches!**](https://lemonade.changedetection.io/start)
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[<img src="https://raw.githubusercontent.com/dgtlmoon/changedetection.io/master/docs/screenshot.png" style="max-width:100%;" alt="Self-hosted web page change monitoring" title="Self-hosted web page change monitoring" />](https://lemonade.changedetection.io/start)

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@@ -1 +1,2 @@
test-datastore
package-lock.json

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@@ -580,6 +580,9 @@ def changedetection_app(config=None, datastore_o=None):
if request.method == 'POST' and form.validate():
extra_update_obj = {}
if request.args.get('unpause_on_save'):
extra_update_obj['paused'] = False
# Re #110, if they submit the same as the default value, set it to None, so we continue to follow the default
# Assume we use the default value, unless something relevant is different, then use the form value
# values could be None, 0 etc.
@@ -619,7 +622,10 @@ def changedetection_app(config=None, datastore_o=None):
datastore.data['watching'][uuid].update(form.data)
datastore.data['watching'][uuid].update(extra_update_obj)
flash("Updated watch.")
if request.args.get('unpause_on_save'):
flash("Updated watch - unpaused!.")
else:
flash("Updated watch.")
# Re #286 - We wait for syncing new data to disk in another thread every 60 seconds
# But in the case something is added we should save straight away
@@ -1063,9 +1069,9 @@ def changedetection_app(config=None, datastore_o=None):
except FileNotFoundError:
abort(404)
@app.route("/api/add", methods=['POST'])
@app.route("/form/add/quickwatch", methods=['POST'])
@login_required
def form_watch_add():
def form_quick_watch_add():
from changedetectionio import forms
form = forms.quickWatchForm(request.form)
@@ -1078,13 +1084,19 @@ def changedetection_app(config=None, datastore_o=None):
flash('The URL {} already exists'.format(url), "error")
return redirect(url_for('index'))
# @todo add_watch should throw a custom Exception for validation etc
new_uuid = datastore.add_watch(url=url, tag=request.form.get('tag').strip())
if new_uuid:
add_paused = request.form.get('edit_and_watch_submit_button') != None
new_uuid = datastore.add_watch(url=url, tag=request.form.get('tag').strip(), extras={'paused': add_paused})
if not add_paused and new_uuid:
# Straight into the queue.
update_q.put(new_uuid)
flash("Watch added.")
if add_paused:
flash('Watch added in Paused state, saving will unpause.')
return redirect(url_for('edit_page', uuid=new_uuid, unpause_on_save=1))
return redirect(url_for('index'))

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@@ -63,12 +63,12 @@ class Fetcher():
break;
}
if('' !==r.id) {
chained_css.unshift("#"+r.id);
final_selector= chained_css.join('>');
chained_css.unshift("#"+CSS.escape(r.id));
final_selector= chained_css.join(' > ');
// Be sure theres only one, some sites have multiples of the same ID tag :-(
if (window.document.querySelectorAll(final_selector).length ==1 ) {
return final_selector;
}
}
return null;
} else {
chained_css.unshift(r.tagName.toLowerCase());

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@@ -11,6 +11,7 @@ urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
# Some common stuff here that can be moved to a base class
# (set_proxy_from_list)
class perform_site_check():
def __init__(self, *args, datastore, **kwargs):
@@ -45,6 +46,20 @@ class perform_site_check():
return proxy_args
# Doesn't look like python supports forward slash auto enclosure in re.findall
# So convert it to inline flag "foobar(?i)" type configuration
def forward_slash_enclosed_regex_to_options(self, regex):
res = re.search(r'^/(.*?)/(\w+)$', regex, re.IGNORECASE)
if res:
regex = res.group(1)
regex += '(?{})'.format(res.group(2))
else:
regex += '(?{})'.format('i')
return regex
def run(self, uuid):
timestamp = int(time.time()) # used for storage etc too
@@ -215,15 +230,27 @@ class perform_site_check():
if len(extract_text) > 0:
regex_matched_output = []
for s_re in extract_text:
result = re.findall(s_re.encode('utf8'), stripped_text_from_html,
flags=re.MULTILINE | re.DOTALL | re.LOCALE)
if result:
regex_matched_output = regex_matched_output + result
# incase they specified something in '/.../x'
regex = self.forward_slash_enclosed_regex_to_options(s_re)
result = re.findall(regex.encode('utf-8'), stripped_text_from_html)
for l in result:
if type(l) is tuple:
#@todo - some formatter option default (between groups)
regex_matched_output += list(l) + [b'\n']
else:
# @todo - some formatter option default (between each ungrouped result)
regex_matched_output += [l] + [b'\n']
# Now we will only show what the regex matched
stripped_text_from_html = b''
text_content_before_ignored_filter = b''
if regex_matched_output:
stripped_text_from_html = b'\n'.join(regex_matched_output)
# @todo some formatter for presentation?
stripped_text_from_html = b''.join(regex_matched_output)
text_content_before_ignored_filter = stripped_text_from_html
# Re #133 - if we should strip whitespaces from triggering the change detected comparison
if self.datastore.data['settings']['application'].get('ignore_whitespace', False):
fetched_md5 = hashlib.md5(stripped_text_from_html.translate(None, b'\r\n\t ')).hexdigest()

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@@ -308,6 +308,9 @@ class ValidateCSSJSONXPATHInput(object):
class quickWatchForm(Form):
url = fields.URLField('URL', validators=[validateURL()])
tag = StringField('Group tag', [validators.Optional()])
watch_submit_button = SubmitField('Watch', render_kw={"class": "pure-button pure-button-primary"})
edit_and_watch_submit_button = SubmitField('Edit > Watch', render_kw={"class": "pure-button pure-button-primary"})
# Common to a single watch and the global settings
class commonSettingsForm(Form):

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@@ -21,7 +21,7 @@ def css_filter(css_filter, html_content):
soup = BeautifulSoup(html_content, "html.parser")
html_block = ""
r = soup.select(css_filter, separator="")
if len(r) == 0:
if len(html_content) > 0 and len(r) == 0:
raise FilterNotFoundInResponse(css_filter)
for item in r:
html_block += str(item)
@@ -49,8 +49,8 @@ def xpath_filter(xpath_filter, html_content):
html_block = ""
r = tree.xpath(xpath_filter.strip(), namespaces={'re': 'http://exslt.org/regular-expressions'})
if len(r) == 0:
raise FilterNotFoundInResponse(css_filter)
if len(html_content) > 0 and len(r) == 0:
raise FilterNotFoundInResponse(xpath_filter)
for item in r:
html_block += etree.tostring(item, pretty_print=True).decode('utf-8') + "<br/>"

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@@ -1,5 +1,6 @@
import os
import uuid as uuid_builder
from distutils.util import strtobool
minimum_seconds_recheck_time = int(os.getenv('MINIMUM_SECONDS_RECHECK_TIME', 60))
mtable = {'seconds': 1, 'minutes': 60, 'hours': 3600, 'days': 86400, 'weeks': 86400 * 7}
@@ -41,7 +42,7 @@ class model(dict):
'trigger_text': [], # List of text or regex to wait for until a change is detected
'text_should_not_be_present': [], # Text that should not present
'fetch_backend': None,
'filter_failure_notification_send': True,
'filter_failure_notification_send': strtobool(os.getenv('FILTER_FAILURE_NOTIFICATION_SEND_DEFAULT', 'True')),
'consecutive_filter_failures': 0, # Every time the CSS/xPath filter cannot be located, reset when all is fine.
'extract_title_as_title': False,
'check_unique_lines': False, # On change-detected, compare against all history if its something new
@@ -171,13 +172,14 @@ class model(dict):
# Iterate over all history texts and see if something new exists
def lines_contain_something_unique_compared_to_history(self, lines=[]):
local_lines = [l.decode('utf-8').strip().lower() for l in lines]
local_lines = set([l.decode('utf-8').strip().lower() for l in lines])
# Compare each lines (set) against each history text file (set) looking for something new..
existing_history = set({})
for k, v in self.history.items():
alist = [line.decode('utf-8').strip().lower() for line in open(v, 'rb')]
res = set(alist) != set(local_lines)
if res:
return True
alist = set([line.decode('utf-8').strip().lower() for line in open(v, 'rb')])
existing_history = existing_history.union(alist)
return False
# Check that everything in local_lines(new stuff) already exists in existing_history - it should
# if not, something new happened
return not local_lines.issubset(existing_history)

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@@ -1,9 +1,7 @@
/*
* -- BASE STYLES --
* Most of these are inherited from Base, but I want to change a few.
* nvm use v14.18.1
* npm install
* npm run build
* nvm use v14.18.1 && npm install && npm run build
* or npm run watch
*/
body {
@@ -203,13 +201,18 @@ body:after, body:before {
border-radius: 10px;
margin-bottom: 1em; }
#new-watch-form input {
width: auto !important;
display: inline-block; }
display: inline-block;
margin-bottom: 5px; }
#new-watch-form .label {
display: none; }
#new-watch-form legend {
color: #fff;
font-weight: bold; }
#new-watch-form #watch-add-wrapper-zone > div {
display: inline-block; }
@media only screen and (max-width: 760px) {
#new-watch-form #watch-add-wrapper-zone #url {
width: 100%; } }
#diff-col {
padding-left: 40px; }

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@@ -1,9 +1,7 @@
/*
* -- BASE STYLES --
* Most of these are inherited from Base, but I want to change a few.
* nvm use v14.18.1
* npm install
* npm run build
* nvm use v14.18.1 && npm install && npm run build
* or npm run watch
*/
body {
@@ -269,8 +267,8 @@ body:after, body:before {
border-radius: 10px;
margin-bottom: 1em;
input {
width: auto !important;
display: inline-block;
margin-bottom: 5px;
}
.label {
display: none;
@@ -279,6 +277,17 @@ body:after, body:before {
color: #fff;
font-weight: bold;
}
#watch-add-wrapper-zone {
> div {
display: inline-block;
}
@media only screen and (max-width: 760px) {
#url {
width: 100%;
}
}
}
}

View File

@@ -33,7 +33,7 @@
<div class="box-wrap inner">
<form class="pure-form pure-form-stacked"
action="{{ url_for('edit_page', uuid=uuid, next = request.args.get('next') ) }}" method="POST">
action="{{ url_for('edit_page', uuid=uuid, next = request.args.get('next'), unpause_on_save = request.args.get('unpause_on_save')) }}" method="POST">
<input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
<div class="tab-pane-inner" id="general">
@@ -239,8 +239,15 @@ Unavailable") }}
{{ render_field(form.extract_text, rows=5, placeholder="\d+ online") }}
<span class="pure-form-message-inline">
<ul>
<li>Extracts text in the final output after other filters using regular expressions, for example <code>\d+ online</code></li>
<li>One line per regular-expression.</li>
<li>Extracts text in the final output (line by line) after other filters using regular expressions;
<ul>
<li>Regular expression &dash; example <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>
<li>Use groups to extract just that text &dash; example <code>/reports.+?(\d+)/i</code> returns a list of years only</li>
</ul>
</li>
<li>One line per regular-expression/ string match</li>
</ul>
</span>
</div>

View File

@@ -1,18 +1,25 @@
{% extends 'base.html' %}
{% block content %}
{% from '_helpers.jinja' import render_simple_field %}
{% from '_helpers.jinja' import render_simple_field, render_field %}
<script type="text/javascript" src="{{url_for('static_content', group='js', filename='jquery-3.6.0.min.js')}}"></script>
<script type="text/javascript" src="{{url_for('static_content', group='js', filename='watch-overview.js')}}" defer></script>
<div class="box">
<form class="pure-form" action="{{ url_for('form_watch_add') }}" method="POST" id="new-watch-form">
<form class="pure-form" action="{{ url_for('form_quick_watch_add') }}" method="POST" id="new-watch-form">
<input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
<fieldset>
<legend>Add a new change detection watch</legend>
{{ render_simple_field(form.url, placeholder="https://...", required=true) }}
{{ render_simple_field(form.tag, value=active_tag if active_tag else '', placeholder="watch group") }}
<button type="submit" class="pure-button pure-button-primary">Watch</button>
<div id="watch-add-wrapper-zone">
<div>
{{ render_simple_field(form.url, placeholder="https://...", required=true) }}
{{ render_simple_field(form.tag, value=active_tag if active_tag else '', placeholder="watch group") }}
</div>
<div>
{{ render_simple_field(form.watch_submit_button, title="Watch this URL!" ) }}
{{ render_simple_field(form.edit_and_watch_submit_button, title="Edit first then Watch") }}
</div>
</div>
</fieldset>
<span style="color:#eee; font-size: 80%;"><img style="height: 1em;display:inline-block;" src="{{url_for('static_content', group='images', filename='spread-white.svg')}}" /> Tip: You can also add 'shared' watches. <a href="https://github.com/dgtlmoon/changedetection.io/wiki/Sharing-a-Watch">More info</a></a></span>
</form>

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@@ -15,7 +15,7 @@ def set_original_response():
</br>
So let's see what happens. </br>
<div id="sametext">Some text thats the same</div>
<div id="changetext">Some text that will change</div>
<div class="changetext">Some text that will change</div>
</body>
</html>
"""
@@ -33,7 +33,8 @@ def set_modified_response():
</br>
So let's see what happens. </br>
<div id="sametext">Some text thats the same</div>
<div id="changetext">Some text that did change ( 1000 online <br/> 80 guests<br/> 2000 online )</div>
<div class="changetext">Some text that did change ( 1000 online <br/> 80 guests<br/> 2000 online )</div>
<div class="changetext">SomeCase insensitive 3456</div>
</body>
</html>
"""
@@ -44,11 +45,78 @@ def set_modified_response():
return None
def test_check_filter_and_regex_extract(client, live_server):
sleep_time_for_fetch_thread = 3
def set_multiline_response():
test_return_data = """<html>
<body>
<p>Something <br/>
across 6 billion multiple<br/>
lines
</p>
<div>aaand something lines</div>
</body>
</html>
"""
with open("test-datastore/endpoint-content.txt", "w") as f:
f.write(test_return_data)
return None
def test_setup(client, live_server):
live_server_setup(live_server)
css_filter = "#changetext"
def test_check_filter_multiline(client, live_server):
set_multiline_response()
# Add our URL to the import page
test_url = url_for('test_endpoint', _external=True)
res = client.post(
url_for("import_page"),
data={"urls": test_url},
follow_redirects=True
)
assert b"1 Imported" in res.data
time.sleep(3)
# Goto the edit page, add our ignore text
# Add our URL to the import page
res = client.post(
url_for("edit_page", uuid="first"),
data={"css_filter": '',
'extract_text': '/something.+?6 billion.+?lines/si',
"url": test_url,
"tag": "",
"headers": "",
'fetch_backend': "html_requests"
},
follow_redirects=True
)
assert b"Updated watch." in res.data
time.sleep(3)
res = client.get(
url_for("preview_page", uuid="first"),
follow_redirects=True
)
assert b'<div class="">Something' in res.data
assert b'<div class="">across 6 billion multiple' in res.data
assert b'<div class="">lines' in res.data
# but the last one, which also says 'lines' shouldnt be here (non-greedy match checking)
assert b'aaand something lines' not in res.data
def test_check_filter_and_regex_extract(client, live_server):
sleep_time_for_fetch_thread = 3
css_filter = ".changetext"
set_original_response()
@@ -64,6 +132,7 @@ def test_check_filter_and_regex_extract(client, live_server):
)
assert b"1 Imported" in res.data
time.sleep(1)
# Trigger a check
client.get(url_for("form_watch_checknow"), follow_redirects=True)
@@ -75,7 +144,7 @@ def test_check_filter_and_regex_extract(client, live_server):
res = client.post(
url_for("edit_page", uuid="first"),
data={"css_filter": css_filter,
'extract_text': '\d+ online\n\d+ guests',
'extract_text': '\d+ online\r\n\d+ guests\r\n/somecase insensitive \d+/i\r\n/somecase insensitive (345\d)/i',
"url": test_url,
"tag": "",
"headers": "",
@@ -86,15 +155,6 @@ def test_check_filter_and_regex_extract(client, live_server):
assert b"Updated watch." in res.data
# Check it saved
res = client.get(
url_for("edit_page", uuid="first"),
)
assert b'\d+ online' in res.data
# Trigger a check
# client.get(url_for("form_watch_checknow"), follow_redirects=True)
# Give the thread time to pick it up
time.sleep(sleep_time_for_fetch_thread)
@@ -126,5 +186,13 @@ def test_check_filter_and_regex_extract(client, live_server):
# Both regexs should be here
assert b'<div class="">80 guests' in res.data
# Regex with flag handling should be here
assert b'<div class="">SomeCase insensitive 3456' in res.data
# Singular group from /somecase insensitive (345\d)/i
assert b'<div class="">3456' in res.data
# Regex with multiline flag handling should be here
# Should not be here
assert b'Some text that did change' not in res.data

View File

@@ -22,12 +22,7 @@ def set_response_with_filter():
f.write(test_return_data)
return None
# Hard to just add more live server URLs when one test is already running (I think)
# So we add our test here (was in a different file)
def test_check_notification(client, live_server):
live_server_setup(live_server)
set_original_response()
def run_filter_test(client, content_filter):
# Give the endpoint time to spin up
time.sleep(1)
@@ -35,7 +30,7 @@ def test_check_notification(client, live_server):
# Add our URL to the import page
test_url = url_for('test_endpoint', _external=True)
res = client.post(
url_for("form_watch_add"),
url_for("form_quick_watch_add"),
data={"url": test_url, "tag": ''},
follow_redirects=True
)
@@ -72,7 +67,7 @@ def test_check_notification(client, live_server):
"tag": "my tag",
"title": "my title",
"headers": "",
"css_filter": '#nope-doesnt-exist',
"css_filter": content_filter,
"fetch_backend": "html_requests"})
res = client.post(
@@ -99,7 +94,7 @@ def test_check_notification(client, live_server):
with open("test-datastore/notification.txt", 'r') as f:
notification = f.read()
assert 'CSS/xPath filter was not present in the page' in notification
assert '#nope-doesnt-exist' in notification
assert content_filter.replace('"', '\\"') in notification
# Remove it and prove that it doesnt trigger when not expected
os.unlink("test-datastore/notification.txt")
@@ -121,3 +116,19 @@ def test_check_notification(client, live_server):
url_for("form_delete", uuid="all"),
follow_redirects=True
)
os.unlink("test-datastore/notification.txt")
def test_setup(live_server):
live_server_setup(live_server)
def test_check_css_filter_failure_notification(client, live_server):
set_original_response()
time.sleep(1)
run_filter_test(client, '#nope-doesnt-exist')
def test_check_xpath_filter_failure_notification(client, live_server):
set_original_response()
time.sleep(1)
run_filter_test(client, '//*[@id="nope-doesnt-exist"]')

View File

@@ -36,7 +36,7 @@ def test_check_notification(client, live_server):
# Add our URL to the import page
test_url = url_for('test_endpoint', _external=True)
res = client.post(
url_for("form_watch_add"),
url_for("form_quick_watch_add"),
data={"url": test_url, "tag": ''},
follow_redirects=True
)
@@ -172,7 +172,7 @@ def test_notification_validation(client, live_server):
# Add our URL to the import page
test_url = url_for('test_endpoint', _external=True)
res = client.post(
url_for("form_watch_add"),
url_for("form_quick_watch_add"),
data={"url": test_url, "tag": 'nice one'},
follow_redirects=True
)

View File

@@ -16,7 +16,7 @@ def test_check_notification_error_handling(client, live_server):
# use a different URL so that it doesnt interfere with the actual check until we are ready
test_url = url_for('test_endpoint', _external=True)
res = client.post(
url_for("form_watch_add"),
url_for("form_quick_watch_add"),
data={"url": "https://changedetection.io/CHANGELOG.txt", "tag": ''},
follow_redirects=True
)

View File

@@ -113,7 +113,6 @@ class update_worker(threading.Thread):
err_text = "Page request from server didnt respond correctly"
self.datastore.update_watch(uuid=uuid, update_obj={'last_error': err_text,
'last_check_status': e.status_code})
except Exception as e:
self.app.logger.error("Exception reached processing watch UUID: %s - %s", uuid, str(e))
self.datastore.update_watch(uuid=uuid, update_obj={'last_error': str(e)})