oops

.github/test/Dockerfile-alpine

@@ -2,32 +2,33 @@
 # Test that we can still build on Alpine (musl modified libc https://musl.libc.org/)
 # Some packages wont install via pypi because they dont have a wheel available under this architecture.
 
-FROM ghcr.io/linuxserver/baseimage-alpine:3.18
+FROM ghcr.io/linuxserver/baseimage-alpine:3.21
 ENV PYTHONUNBUFFERED=1
 
 COPY requirements.txt /requirements.txt
 
 RUN \
-  apk add --update --no-cache --virtual=build-dependencies \
+ apk add --update --no-cache --virtual=build-dependencies \
+    build-base \
     cargo \
-    g++ \
-    gcc \
+    git \
     jpeg-dev \
     libc-dev \
     libffi-dev \
-    libjpeg \
     libxslt-dev \
-    make \
     openssl-dev \
-    py3-wheel \
     python3-dev \
+    zip \
     zlib-dev && \
   apk add --update --no-cache \
+    libjpeg \
     libxslt \
-    python3 \
-    py3-pip && \
+    nodejs \
+    poppler-utils \
+    python3 && \
   echo "**** pip3 install test of changedetection.io ****" && \
-  pip3 install -U pip wheel setuptools && \
-  pip3 install -U --no-cache-dir --find-links https://wheel-index.linuxserver.io/alpine-3.18/ -r /requirements.txt && \
+  python3 -m venv /lsiopy  && \
+  pip install -U pip wheel setuptools && \
+  pip install -U --no-cache-dir --find-links https://wheel-index.linuxserver.io/alpine-3.21/ -r /requirements.txt && \
   apk del --purge \
     build-dependencies

changedetectionio/api/api_v1.py

@@ -76,6 +76,7 @@ class Watch(Resource):
         # Return without history, get that via another API call
         # Properties are not returned as a JSON, so add the required props manually
         watch['history_n'] = watch.history_n
+        # attr .last_changed will check for the last written text snapshot on change
         watch['last_changed'] = watch.last_changed
         watch['viewed'] = watch.viewed
         return watch

changedetectionio/apprise_asset.py

@@ -1,3 +1,4 @@
+from changedetectionio import apprise_plugin
 import apprise
 
 # Create our AppriseAsset and populate it with some of our new values:

changedetectionio/apprise_plugin/__init__.py

@@ -1,6 +1,8 @@
 # include the decorator
 from apprise.decorators import notify
 from loguru import logger
+from requests.structures import CaseInsensitiveDict
+
 
 @notify(on="delete")
 @notify(on="deletes")
@@ -13,70 +15,86 @@ from loguru import logger
 def apprise_custom_api_call_wrapper(body, title, notify_type, *args, **kwargs):
     import requests
     import json
+    import re
+
     from urllib.parse import unquote_plus
-    from apprise.utils import parse_url as apprise_parse_url
-    from apprise import URLBase
+    from apprise.utils.parse import parse_url as apprise_parse_url
 
     url = kwargs['meta'].get('url')
+    schema = kwargs['meta'].get('schema').lower().strip()
 
-    if url.startswith('post'):
-        r = requests.post
-    elif url.startswith('get'):
-        r = requests.get
-    elif url.startswith('put'):
-        r = requests.put
-    elif url.startswith('delete'):
-        r = requests.delete
+    # Choose POST, GET etc from requests
+    method =  re.sub(rf's$', '', schema)
+    requests_method = getattr(requests, method)
 
-    url = url.replace('post://', 'http://')
-    url = url.replace('posts://', 'https://')
-    url = url.replace('put://', 'http://')
-    url = url.replace('puts://', 'https://')
-    url = url.replace('get://', 'http://')
-    url = url.replace('gets://', 'https://')
-    url = url.replace('put://', 'http://')
-    url = url.replace('puts://', 'https://')
-    url = url.replace('delete://', 'http://')
-    url = url.replace('deletes://', 'https://')
-
-    headers = {}
-    params = {}
+    headers = CaseInsensitiveDict({})
+    params = CaseInsensitiveDict({}) # Added to requests
     auth = None
+    has_error = False
+
 
     # Convert /foobar?+some-header=hello to proper header dictionary
     results = apprise_parse_url(url)
-    if results:
-        # Add our headers that the user can potentially over-ride if they wish
-        # to to our returned result set and tidy entries by unquoting them
-        headers = {unquote_plus(x): unquote_plus(y)
-                   for x, y in results['qsd+'].items()}
 
-        # https://github.com/caronc/apprise/wiki/Notify_Custom_JSON#get-parameter-manipulation
-        # In Apprise, it relies on prefixing each request arg with "-", because it uses say &method=update as a flag for apprise
-        # but here we are making straight requests, so we need todo convert this against apprise's logic
-        for k, v in results['qsd'].items():
-            if not k.strip('+-') in results['qsd+'].keys():
-                params[unquote_plus(k)] = unquote_plus(v)
+    # Add our headers that the user can potentially over-ride if they wish
+    # to to our returned result set and tidy entries by unquoting them
+    headers = {unquote_plus(x): unquote_plus(y)
+               for x, y in results['qsd+'].items()}
 
-        # Determine Authentication
-        auth = ''
-        if results.get('user') and results.get('password'):
-            auth = (unquote_plus(results.get('user')), unquote_plus(results.get('user')))
-        elif results.get('user'):
-            auth = (unquote_plus(results.get('user')))
+    # https://github.com/caronc/apprise/wiki/Notify_Custom_JSON#get-parameter-manipulation
+    # In Apprise, it relies on prefixing each request arg with "-", because it uses say &method=update as a flag for apprise
+    # but here we are making straight requests, so we need todo convert this against apprise's logic
+    for k, v in results['qsd'].items():
+        if not k.strip('+-') in results['qsd+'].keys():
+            params[unquote_plus(k)] = unquote_plus(v)
 
-    # Try to auto-guess if it's JSON
-    h = 'application/json; charset=utf-8'
+    # Determine Authentication
+    auth = ''
+    if results.get('user') and results.get('password'):
+        auth = (unquote_plus(results.get('user')), unquote_plus(results.get('user')))
+    elif results.get('user'):
+        auth = (unquote_plus(results.get('user')))
+
+    # If it smells like it could be JSON and no content-type was already set, offer a default content type.
+    if body and '{' in body[:100] and not headers.get('Content-Type'):
+        json_header = 'application/json; charset=utf-8'
+        try:
+            # Try if it's JSON
+            json.loads(body)
+            headers['Content-Type'] = json_header
+        except ValueError as e:
+            logger.warning(f"Could not automatically add '{json_header}' header to the notification because the document failed to parse as JSON: {e}")
+            pass
+
+    # POSTS -> HTTPS etc
+    if schema.lower().endswith('s'):
+        url = re.sub(rf'^{schema}', 'https', results.get('url'))
+    else:
+        url = re.sub(rf'^{schema}', 'http', results.get('url'))
+
+    status_str = ''
     try:
-        json.loads(body)
-        headers['Content-Type'] = h
-    except ValueError as e:
-        logger.warning(f"Could not automatically add '{h}' header to the {kwargs['meta'].get('schema')}:// notification because the document failed to parse as JSON: {e}")
-        pass
+        r = requests_method(url,
+          auth=auth,
+          data=body.encode('utf-8') if type(body) is str else body,
+          headers=headers,
+          params=params
+        )
 
-    r(results.get('url'),
-      auth=auth,
-      data=body.encode('utf-8') if type(body) is str else body,
-      headers=headers,
-      params=params
-      )
+        if r.status_code not in (requests.codes.created, requests.codes.ok):
+            status_str = f"Error sending '{method.upper()}' request to {url} - Status: {r.status_code}: '{r.reason}'"
+            logger.error(status_str)
+            has_error = True
+        else:
+            logger.info(f"Sent '{method.upper()}' request to {url}")
+            has_error = False
+
+    except requests.RequestException as e:
+        status_str = f"Error sending '{method.upper()}' request to {url} - {str(e)}"
+        logger.error(status_str)
+        has_error = True
+
+    if has_error:
+        raise TypeError(status_str)
+
+    return True

changedetectionio/flask_app.py

@@ -598,17 +598,31 @@ def changedetection_app(config=None, datastore_o=None):
 
             if 'notification_title' in request.form and request.form['notification_title'].strip():
                 n_object['notification_title'] = request.form.get('notification_title', '').strip()
+            elif datastore.data['settings']['application'].get('notification_title'):
+                n_object['notification_title'] = datastore.data['settings']['application'].get('notification_title')
+            else:
+                n_object['notification_title'] = "Test title"
 
             if 'notification_body' in request.form and request.form['notification_body'].strip():
                 n_object['notification_body'] = request.form.get('notification_body', '').strip()
+            elif datastore.data['settings']['application'].get('notification_body'):
+                n_object['notification_body'] = datastore.data['settings']['application'].get('notification_body')
+            else:
+                n_object['notification_body'] = "Test body"
 
+            n_object['as_async'] = False
             n_object.update(watch.extra_notification_token_values())
+            from .notification import process_notification
+            sent_obj = process_notification(n_object, datastore)
 
-            from . import update_worker
-            new_worker = update_worker.update_worker(update_q, notification_q, app, datastore)
-            new_worker.queue_notification_for_watch(notification_q=notification_q, n_object=n_object, watch=watch)
         except Exception as e:
-            return make_response(f"Error: str(e)", 400)
+            e_str = str(e)
+            # Remove this text which is not important and floods the container
+            e_str = e_str.replace(
+                "DEBUG - <class 'apprise.decorators.base.CustomNotifyPlugin.instantiate_plugin.<locals>.CustomNotifyPluginWrapper'>",
+                '')
+
+            return make_response(e_str, 400)
 
         return 'OK - Sent test notifications'
 

changedetectionio/notification.py

@@ -67,6 +67,10 @@ def process_notification(n_object, datastore):
 
     sent_objs = []
     from .apprise_asset import asset
+
+    if 'as_async' in n_object:
+        asset.async_mode = n_object.get('as_async')
+
     apobj = apprise.Apprise(debug=True, asset=asset)
 
     if not n_object.get('notification_urls'):
@@ -157,8 +161,6 @@ def process_notification(n_object, datastore):
             attach=n_object.get('screenshot', None)
         )
 
-        # Give apprise time to register an error
-        time.sleep(3)
 
         # Returns empty string if nothing found, multi-line string otherwise
         log_value = logs.getvalue()

changedetectionio/static/js/notifications.js

@@ -1,42 +1,52 @@
-$(document).ready(function() {
+$(document).ready(function () {
 
-  $('#add-email-helper').click(function (e) {
-    e.preventDefault();
-    email = prompt("Destination email");
-    if(email) {
-      var n = $(".notification-urls");
-      var p=email_notification_prefix;
-      $(n).val( $.trim( $(n).val() )+"\n"+email_notification_prefix+email );
-    }
-  });
-
-  $('#send-test-notification').click(function (e) {
-    e.preventDefault();
-
-    data = {
-      notification_body: $('#notification_body').val(),
-      notification_format: $('#notification_format').val(),
-      notification_title: $('#notification_title').val(),
-      notification_urls: $('.notification-urls').val(),
-      tags: $('#tags').val(),
-      window_url: window.location.href,
-    }
-
-
-    $.ajax({
-      type: "POST",
-      url: notification_base_url,
-      data : data,
-        statusCode: {
-        400: function(data) {
-          // More than likely the CSRF token was lost when the server restarted
-          alert(data.responseText);
+    $('#add-email-helper').click(function (e) {
+        e.preventDefault();
+        email = prompt("Destination email");
+        if (email) {
+            var n = $(".notification-urls");
+            var p = email_notification_prefix;
+            $(n).val($.trim($(n).val()) + "\n" + email_notification_prefix + email);
         }
-      }
-    }).done(function(data){
-      console.log(data);
-      alert(data);
-    })
-  });
+    });
+
+    $('#send-test-notification').click(function (e) {
+        e.preventDefault();
+
+        data = {
+            notification_body: $('#notification_body').val(),
+            notification_format: $('#notification_format').val(),
+            notification_title: $('#notification_title').val(),
+            notification_urls: $('.notification-urls').val(),
+            tags: $('#tags').val(),
+            window_url: window.location.href,
+        }
+
+        $('.notifications-wrapper .spinner').fadeIn();
+        $('#notification-test-log').show();
+        $.ajax({
+            type: "POST",
+            url: notification_base_url,
+            data: data,
+            statusCode: {
+                400: function (data) {
+                    $("#notification-test-log>span").text(data.responseText);
+                },
+            }
+        }).done(function (data) {
+            $("#notification-test-log>span").text(data);
+        }).fail(function (jqXHR, textStatus, errorThrown) {
+            // Handle connection refused or other errors
+            if (textStatus === "error" && errorThrown === "") {
+                console.error("Connection refused or server unreachable");
+                $("#notification-test-log>span").text("Error: Connection refused or server is unreachable.");
+            } else {
+                console.error("Error:", textStatus, errorThrown);
+                $("#notification-test-log>span").text("An error occurred: " + textStatus);
+            }
+        }).always(function () {
+            $('.notifications-wrapper .spinner').hide();
+        })
+    });
 });
 

changedetectionio/static/styles/scss/styles.scss

@@ -380,7 +380,15 @@ a.pure-button-selected {
 }
 
 .notifications-wrapper {
-  padding: 0.5rem 0 1rem 0;
+  padding-top: 0.5rem;
+  #notification-test-log {
+    padding-top: 1rem;
+    white-space: pre-wrap;
+    word-break: break-word;
+    overflow-wrap: break-word;
+    max-width: 100%;
+    box-sizing: border-box;
+  }
 }
 
 label {

changedetectionio/static/styles/styles.css

@@ -780,7 +780,14 @@ a.pure-button-selected {
   cursor: pointer; }
 
 .notifications-wrapper {
-  padding: 0.5rem 0 1rem 0; }
+  padding-top: 0.5rem; }
+  .notifications-wrapper #notification-test-log {
+    padding-top: 1rem;
+    white-space: pre-wrap;
+    word-break: break-word;
+    overflow-wrap: break-word;
+    max-width: 100%;
+    box-sizing: border-box; }
 
 label:hover {
   cursor: pointer; }

changedetectionio/templates/_common_fields.html

@@ -24,11 +24,13 @@
                               </ul>
                             </div>
                             <div class="notifications-wrapper">
-                              <a id="send-test-notification" class="pure-button button-secondary button-xsmall" >Send test notification</a>
+                              <a id="send-test-notification" class="pure-button button-secondary button-xsmall" >Send test notification</a> <div class="spinner"  style="display: none;"></div>
                             {% if emailprefix %}
                               <a id="add-email-helper" class="pure-button button-secondary button-xsmall" >Add email <img style="height: 1em; display: inline-block" src="{{url_for('static_content', group='images', filename='email.svg')}}" alt="Add an email address"> </a>
                             {% endif %}
                               <a href="{{url_for('notification_logs')}}" class="pure-button button-secondary button-xsmall" >Notification debug logs</a>
+                              <br>
+                                <div id="notification-test-log" style="display: none;"><span class="pure-form-message-inline">Processing..</span></div>
                             </div>
                         </div>
                         <div id="notification-customisation" class="pure-control-group">

changedetectionio/tests/test_add_replace_remove_filter.py

@@ -1,9 +1,9 @@
 #!/usr/bin/env python3
+
 import os.path
-import time
+
 from flask import url_for
 from .util import live_server_setup, wait_for_all_checks, wait_for_notification_endpoint_output
-from changedetectionio import html_tools
 
 
 def set_original(excluding=None, add_line=None):

changedetectionio/tests/test_api.py

@@ -44,7 +44,6 @@ def set_modified_response():
 
     return None
 
-
 def is_valid_uuid(val):
     try:
         uuid.UUID(str(val))
@@ -56,8 +55,9 @@ def is_valid_uuid(val):
 def test_setup(client, live_server, measure_memory_usage):
     live_server_setup(live_server)
 
+
 def test_api_simple(client, live_server, measure_memory_usage):
-    #live_server_setup(live_server)
+#    live_server_setup(live_server)
 
     api_key = extract_api_key_from_UI(client)
 
@@ -129,6 +129,9 @@ def test_api_simple(client, live_server, measure_memory_usage):
     assert after_recheck_info['last_checked'] != before_recheck_info['last_checked']
     assert after_recheck_info['last_changed'] != 0
 
+    # #2877 When run in a slow fetcher like playwright etc
+    assert after_recheck_info['last_changed'] ==  after_recheck_info['last_checked']
+
     # Check history index list
     res = client.get(
         url_for("watchhistory", uuid=watch_uuid),

changedetectionio/tests/test_backend.py

@@ -2,7 +2,6 @@
 
 import time
 from flask import url_for
-from urllib.request import urlopen
 from .util import set_original_response, set_modified_response, live_server_setup, wait_for_all_checks, extract_rss_token_from_UI, \
     extract_UUID_from_client
 

changedetectionio/tests/test_nonrenderable_pages.py

@@ -48,7 +48,7 @@ def test_check_basic_change_detection_functionality(client, live_server, measure
     #####################
     client.post(
         url_for("settings_page"),
-        data={"application-empty_pages_are_a_change": "",
+        data={"application-empty_pages_are_a_change": "", # default, OFF, they are NOT a change
               "requests-time_between_check-minutes": 180,
               'application-fetch_backend': "html_requests"},
         follow_redirects=True
@@ -66,6 +66,14 @@ def test_check_basic_change_detection_functionality(client, live_server, measure
     res = client.get(url_for("index"))
     assert b'unviewed' not in res.data
 
+    uuid = next(iter(live_server.app.config['DATASTORE'].data['watching']))
+    watch = live_server.app.config['DATASTORE'].data['watching'][uuid]
+
+    assert watch.last_changed == 0
+    assert watch['last_checked'] != 0
+
+
+
 
     # ok now do the opposite
 
@@ -92,6 +100,10 @@ def test_check_basic_change_detection_functionality(client, live_server, measure
     # A totally zero byte (#2528) response should also not trigger an error
     set_zero_byte_response()
     client.get(url_for("form_watch_checknow"), follow_redirects=True)
+
+    # 2877
+    assert watch.last_changed == watch['last_checked']
+
     wait_for_all_checks(client)
     res = client.get(url_for("index"))
     assert b'unviewed' in res.data # A change should have registered because empty_pages_are_a_change is ON

changedetectionio/tests/test_notification.py

@@ -360,7 +360,10 @@ def test_global_send_test_notification(client, live_server, measure_memory_usage
     #live_server_setup(live_server)
     set_original_response()
     if os.path.isfile("test-datastore/notification.txt"):
-        os.unlink("test-datastore/notification.txt")
+        os.unlink("test-datastore/notification.txt") \
+
+    # 1995 UTF-8 content should be encoded
+    test_body = 'change detection is cool 网站监测 内容更新了'
 
     # otherwise other settings would have already existed from previous tests in this file
     res = client.post(
@@ -368,8 +371,7 @@ def test_global_send_test_notification(client, live_server, measure_memory_usage
         data={
             "application-fetch_backend": "html_requests",
             "application-minutes_between_check": 180,
-            #1995 UTF-8 content should be encoded
-            "application-notification_body": 'change detection is cool 网站监测 内容更新了',
+            "application-notification_body": test_body,
             "application-notification_format": default_notification_format,
             "application-notification_urls": "",
             "application-notification_title": "New ChangeDetection.io Notification - {{ watch_url }}",
@@ -399,12 +401,10 @@ def test_global_send_test_notification(client, live_server, measure_memory_usage
     assert res.status_code != 400
     assert res.status_code != 500
 
-    # Give apprise time to fire
-    time.sleep(4)
 
     with open("test-datastore/notification.txt", 'r') as f:
         x = f.read()
-        assert 'change detection is cool 网站监测 内容更新了' in x
+        assert test_body in x
 
     os.unlink("test-datastore/notification.txt")
 

changedetectionio/tests/test_restock_itemprop.py

@@ -189,6 +189,17 @@ def _run_test_minmax_limit(client, extra_watch_edit_form):
 
     client.get(url_for("mark_all_viewed"))
 
+
+    # 2715 - Price detection (once it crosses the "lower" threshold) again with a lower price - should trigger again!
+    set_original_response(props_markup=instock_props[0], price='820.45')
+    res = client.get(url_for("form_watch_checknow"), follow_redirects=True)
+    assert b'1 watches queued for rechecking.' in res.data
+    wait_for_all_checks(client)
+    res = client.get(url_for("index"))
+    assert b'820.45' in res.data
+    assert b'unviewed' in res.data
+    client.get(url_for("mark_all_viewed"))
+
     # price changed to something MORE than max (1100.10), SHOULD be a change
     set_original_response(props_markup=instock_props[0], price='1890.45')
     client.get(url_for("form_watch_checknow"), follow_redirects=True)
@@ -203,7 +214,7 @@ def _run_test_minmax_limit(client, extra_watch_edit_form):
 
 
 def test_restock_itemprop_minmax(client, live_server):
-#    live_server_setup(live_server)
+    #live_server_setup(live_server)
     extras = {
         "restock_settings-follow_price_changes": "y",
         "restock_settings-price_change_min": 900.0,

changedetectionio/tests/util.py

@@ -76,6 +76,14 @@ def set_more_modified_response():
     return None
 
 
+def set_empty_text_response():
+    test_return_data = """<html><body></body></html>"""
+
+    with open("test-datastore/endpoint-content.txt", "w") as f:
+        f.write(test_return_data)
+
+    return None
+
 def wait_for_notification_endpoint_output():
     '''Apprise can take a few seconds to fire'''
     #@todo - could check the apprise object directly instead of looking for this file
@@ -215,9 +223,10 @@ def live_server_setup(live_server):
     def test_method():
         return request.method
 
-    # Where we POST to as a notification
-    @live_server.app.route('/test_notification_endpoint', methods=['POST', 'GET'])
+    # Where we POST to as a notification, also use a space here to test URL escaping is OK across all tests that use this. ( #2868 )
+    @live_server.app.route('/test_notification endpoint', methods=['POST', 'GET'])
     def test_notification_endpoint():
+
         with open("test-datastore/notification.txt", "wb") as f:
             # Debug method, dump all POST to file also, used to prove #65
             data = request.stream.read()

changedetectionio/update_worker.py

@@ -243,7 +243,6 @@ class update_worker(threading.Thread):
                 os.unlink(full_path)
 
     def run(self):
-        now = time.time()
         
         while not self.app.config.exit.is_set():
             update_handler = None
@@ -254,6 +253,7 @@ class update_worker(threading.Thread):
                 pass
 
             else:
+                fetch_start_time = time.time()
                 uuid = queued_item_data.item.get('uuid')
                 self.current_uuid = uuid
                 if uuid in list(self.datastore.data['watching'].keys()) and self.datastore.data['watching'][uuid].get('url'):
@@ -268,7 +268,6 @@ class update_worker(threading.Thread):
                     watch = self.datastore.data['watching'].get(uuid)
 
                     logger.info(f"Processing watch UUID {uuid} Priority {queued_item_data.priority} URL {watch['url']}")
-                    now = time.time()
 
                     try:
                         # Processor is what we are using for detecting the "Change"
@@ -288,6 +287,10 @@ class update_worker(threading.Thread):
 
                         update_handler.call_browser()
 
+                        # In reality, the actual time of when the change was detected could be a few seconds after this
+                        # For example it should include when the page stopped rendering if using a playwright/chrome type fetch
+                        fetch_start_time = time.time()
+
                         changed_detected, update_obj, contents = update_handler.run_changedetection(watch=watch)
 
                         # Re #342
@@ -512,7 +515,7 @@ class update_worker(threading.Thread):
 
                     if not self.datastore.data['watching'].get(uuid):
                         continue
-                    #
+
                     # Different exceptions mean that we may or may not want to bump the snapshot, trigger notifications etc
                     if process_changedetection_results:
 
@@ -525,8 +528,6 @@ class update_worker(threading.Thread):
                                 except Exception as e:
                                     logger.warning(f"UUID: {uuid} Extract <title> as watch title was enabled, but couldn't find a <title>.")
 
-                        # Now update after running everything
-                        timestamp = round(time.time())
                         try:
                             self.datastore.update_watch(uuid=uuid, update_obj=update_obj)
 
@@ -542,24 +543,28 @@ class update_worker(threading.Thread):
 
                                 # Small hack so that we sleep just enough to allow 1 second  between history snapshots
                                 # this is because history.txt indexes/keys snapshots by epoch seconds and we dont want dupe keys
-
-                                if watch.newest_history_key and int(timestamp) == int(watch.newest_history_key):
+                                # @also - the keys are one per second at the most (for now)
+                                if watch.newest_history_key and int(fetch_start_time) == int(watch.newest_history_key):
                                     logger.warning(
-                                        f"Timestamp {timestamp} already exists, waiting 1 seconds so we have a unique key in history.txt")
-                                    timestamp = str(int(timestamp) + 1)
+                                        f"Timestamp {fetch_start_time} already exists, waiting 1 seconds so we have a unique key in history.txt")
+                                    fetch_start_time += 1
                                     time.sleep(1)
 
                                 watch.save_history_text(contents=contents,
-                                                        timestamp=timestamp,
+                                                        timestamp=int(fetch_start_time),
                                                         snapshot_id=update_obj.get('previous_md5', 'none'))
 
-                                if update_handler.fetcher.content:
-                                    watch.save_last_fetched_html(contents=update_handler.fetcher.content, timestamp=timestamp)
+
+                                empty_pages_are_a_change = self.datastore.data['settings']['application'].get('empty_pages_are_a_change', False)
+                                if update_handler.fetcher.content or (not update_handler.fetcher.content and empty_pages_are_a_change):
+                                    # attribute .last_changed is then based on this data
+                                    watch.save_last_fetched_html(contents=update_handler.fetcher.content, timestamp=int(fetch_start_time))
 
                                 # Notifications should only trigger on the second time (first time, we gather the initial snapshot)
                                 if watch.history_n >= 2:
                                     logger.info(f"Change detected in UUID {uuid} - {watch['url']}")
                                     if not watch.get('notification_muted'):
+                                        # @todo only run this if notifications exist
                                         self.send_content_changed_notification(watch_uuid=uuid)
 
                         except Exception as e:
@@ -581,15 +586,15 @@ class update_worker(threading.Thread):
                     except Exception as e:
                         pass
 
-                    self.datastore.update_watch(uuid=uuid, update_obj={'fetch_time': round(time.time() - now, 3),
-                                                                       'last_checked': round(time.time()),
+                    self.datastore.update_watch(uuid=uuid, update_obj={'fetch_time': round(time.time() - fetch_start_time, 3),
+                                                                       'last_checked': int(fetch_start_time),
                                                                        'check_count': count
                                                                        })
 
 
                 self.current_uuid = None  # Done
                 self.q.task_done()
-                logger.debug(f"Watch {uuid} done in {time.time()-now:.2f}s")
+                logger.debug(f"Watch {uuid} done in {time.time()-fetch_start_time:.2f}s")
 
                 # Give the CPU time to interrupt
                 time.sleep(0.1)

requirements.txt

@@ -35,7 +35,7 @@ dnspython==2.6.1 # related to eventlet fixes
 # jq not available on Windows so must be installed manually
 
 # Notification library
-apprise==1.9.0
+apprise==1.9.2
 
 # apprise mqtt https://github.com/dgtlmoon/changedetection.io/issues/315
 # use any version other than 2.0.x due to https://github.com/eclipse/paho.mqtt.python/issues/814