0.54.7

changedetectionio/__init__.py

@@ -2,7 +2,7 @@
 
 # Read more https://github.com/dgtlmoon/changedetection.io/wiki
 # Semver means never use .01, or 00. Should be .1.
-__version__ = '0.54.5'
+__version__ = '0.54.7'
 
 from changedetectionio.strtobool import strtobool
 from json.decoder import JSONDecodeError

changedetectionio/blueprint/check_proxies/__init__.py

@@ -40,12 +40,13 @@ def construct_blueprint(datastore: ChangeDetectionStore):
         contents = ''
         now = time.time()
         try:
+            import asyncio
             processor_module = importlib.import_module("changedetectionio.processors.text_json_diff.processor")
             update_handler = processor_module.perform_site_check(datastore=datastore,
                                                                  watch_uuid=uuid
                                                                  )
 
-            update_handler.call_browser(preferred_proxy_id=preferred_proxy)
+            asyncio.run(update_handler.call_browser(preferred_proxy_id=preferred_proxy))
         # title, size is len contents not len xfer
         except content_fetcher_exceptions.Non200ErrorCodeReceived as e:
             if e.status_code == 404:

changedetectionio/blueprint/settings/templates/settings.html

@@ -154,9 +154,8 @@
                     </span>
                 </div>
                 <div class="pure-control-group">
-                                        <br>
-                    {{ _('Tip:') }} <a href="https://github.com/dgtlmoon/changedetection.io/wiki/Proxy-configuration#brightdata-proxy-support">{{ _('Connect using Bright Data and Oxylabs Proxies, find out more here.') }}</a>
-
+                <br>
+                    {{ _('Tip:') }} <a href="{{ url_for('settings.settings_page')}}#proxies">{{ _('Connect using Bright Data proxies, find out more here.') }}</a>
                 </div>
             </div>
 
@@ -352,7 +351,7 @@ nav
                     </div>
                 </div>
 
-                <p><strong>{{ _('Tip') }}</strong>: {{ _('"Residential" and "Mobile" proxy type can be more successfull than "Data Center" for blocked websites.') }}</p>
+                <p><strong>{{ _('Tip') }}</strong>: {{ _('"Residential" and "Mobile" proxy type can be more successful than "Data Center" for blocked websites.') }}</p>
 
                 <div class="pure-control-group" id="extra-proxies-setting">
                 {{ render_fieldlist_with_inline_errors(form.requests.form.extra_proxies) }}

changedetectionio/forms.py

@@ -667,9 +667,11 @@ class ValidateCSSJSONXPATHInput(object):
                     # `jq` requires full compilation in windows and so isn't generally available
                     raise ValidationError("jq not support not found")
 
+                from changedetectionio.html_tools import validate_jq_expression
                 input = line.replace('jq:', '')
 
                 try:
+                    validate_jq_expression(input)
                     jq.compile(input)
                 except (ValueError) as e:
                     message = field.gettext('\'%s\' is not a valid jq expression. (%s)')
@@ -1005,7 +1007,7 @@ class globalSettingsApplicationForm(commonSettingsForm):
         render_kw={"placeholder": "0.1", "style": "width: 8em;"}
     )
 
-    password = SaltyPasswordField(_l('Password'))
+    password = SaltyPasswordField(_l('Password'), render_kw={"autocomplete": "new-password"})
     pager_size = IntegerField(_l('Pager size'),
                               render_kw={"style": "width: 5em;"},
                               validators=[validators.NumberRange(min=0,

changedetectionio/html_tools.py

@@ -4,6 +4,7 @@ from loguru import logger
 from typing import List
 import html
 import json
+import os
 import re
 
 # HTML added to be sure each result matching a filter (.example) gets converted to a new line by Inscriptis
@@ -13,6 +14,45 @@ PERL_STYLE_REGEX = r'^/(.*?)/([a-z]*)?$'
 
 TITLE_RE = re.compile(r"<title[^>]*>(.*?)</title>", re.I | re.S)
 META_CS  = re.compile(r'<meta[^>]+charset=["\']?\s*([a-z0-9_\-:+.]+)', re.I)
+
+# jq builtins that can leak sensitive data or cause harm when user-supplied expressions are executed.
+# env/$ENV reads all process environment variables (passwords, API keys, etc.)
+# include/import can read arbitrary files from disk
+# input/inputs reads beyond the supplied JSON data
+# debug/stderr leaks data to stderr
+# halt/halt_error terminates the process (DoS)
+_JQ_BLOCKED_PATTERNS = [
+    (re.compile(r'\benv\b'),                    'env (reads environment variables)'),
+    (re.compile(r'\$ENV\b'),                    '$ENV (reads environment variables)'),
+    (re.compile(r'\binclude\b'),                'include (reads files from disk)'),
+    (re.compile(r'\bimport\b'),                 'import (reads files from disk)'),
+    (re.compile(r'\binputs?\b'),                'input/inputs (reads beyond provided data)'),
+    (re.compile(r'\bdebug\b'),                  'debug (leaks data to stderr)'),
+    (re.compile(r'\bstderr\b'),                 'stderr (leaks data to stderr)'),
+    (re.compile(r'\bhalt(?:_error)?\b'),        'halt/halt_error (terminates the process)'),
+    (re.compile(r'\$__loc__\b'),                '$__loc__ (leaks file path information)'),
+    (re.compile(r'\bbuiltins\b'),               'builtins (enumerates available functions)'),
+    (re.compile(r'\bmodulemeta\b'),             'modulemeta (leaks module information)'),
+    (re.compile(r'\$JQ_BUILD_CONFIGURATION\b'), '$JQ_BUILD_CONFIGURATION (leaks build information)'),
+]
+
+def validate_jq_expression(expression: str) -> None:
+    """Raise ValueError if the jq expression uses any dangerous builtin.
+
+    User-supplied jq expressions are executed server-side. Without this check,
+    builtins like `env` expose every process environment variable (SALTED_PASS,
+    proxy credentials, API keys, etc.) as watch output.
+    """
+    from changedetectionio.strtobool import strtobool
+    if strtobool(os.getenv('JQ_ALLOW_RISKY_EXPRESSIONS', 'false')):
+        return
+
+    for pattern, description in _JQ_BLOCKED_PATTERNS:
+        if pattern.search(expression):
+            msg = f"jq expression uses disallowed builtin: {description}"
+            logger.critical(f"Security: blocked jq expression containing '{description}' - expression: {expression!r}")
+            raise ValueError(msg)
+
 META_CT  = re.compile(r'<meta[^>]+http-equiv=["\']?content-type["\']?[^>]*content=["\'][^>]*charset=([a-z0-9_\-:+.]+)', re.I)
 
 # 'price' , 'lowPrice', 'highPrice' are usually under here
@@ -30,6 +70,12 @@ _DEFAULT_UNSAFE_XPATH3_FUNCTIONS = [
     'unparsed-text-available',
     'doc',
     'doc-available',
+    'json-doc',
+    'json-doc-available',
+    'collection',           # XPath 2.0+: loads XML node collections from arbitrary URIs
+    'uri-collection',       # XPath 3.0+: enumerates URIs from resource collections
+    'transform',            # XPath 3.1: XSLT transformation (currently raises, block proactively)
+    'load-xquery-module',   # XPath 3.1: loads XQuery modules (currently raises, block proactively)
     'environment-variable',
     'available-environment-variables',
 ]
@@ -378,12 +424,16 @@ def _parse_json(json_data, json_filter):
             raise Exception("jq not support not found")
 
         if json_filter.startswith("jq:"):
-            jq_expression = jq.compile(json_filter.removeprefix("jq:"))
+            expr = json_filter.removeprefix("jq:")
+            validate_jq_expression(expr)
+            jq_expression = jq.compile(expr)
             match = jq_expression.input(json_data).all()
             return _get_stripped_text_from_json_match(match)
 
         if json_filter.startswith("jqraw:"):
-            jq_expression = jq.compile(json_filter.removeprefix("jqraw:"))
+            expr = json_filter.removeprefix("jqraw:")
+            validate_jq_expression(expr)
+            jq_expression = jq.compile(expr)
             match = jq_expression.input(json_data).all()
             return '\n'.join(str(item) for item in match)
 
@@ -487,13 +537,25 @@ def extract_json_as_string(content, json_filter, ensure_is_ldjson_info_type=None
         except json.JSONDecodeError as e:
             logger.warning(f"Error processing JSON {content[:20]}...{str(e)})")
     else:
-        # Probably something else, go fish inside for it
-        try:
-            stripped_text_from_html = extract_json_blob_from_html(content=content,
-                                                                  ensure_is_ldjson_info_type=ensure_is_ldjson_info_type,
-                                                                  json_filter=json_filter                                                                  )
-        except json.JSONDecodeError as e:
-            logger.warning(f"Error processing JSON while extracting JSON from HTML blob {content[:20]}...{str(e)})")
+        # Check for JSONP wrapper: someCallback({...}) or some.namespace({...})
+        # Server may claim application/json but actually return JSONP
+        jsonp_match = re.match(r'^\w[\w.]*\s*\((.+)\)\s*;?\s*$', content.lstrip("\ufeff").strip(), re.DOTALL)
+        if jsonp_match:
+            try:
+                inner = jsonp_match.group(1).strip()
+                logger.warning(f"Content looks like JSONP, attempting to extract inner JSON for filter '{json_filter}'")
+                stripped_text_from_html = _parse_json(json.loads(inner), json_filter)
+            except json.JSONDecodeError as e:
+                logger.warning(f"Error processing JSONP inner content {content[:20]}...{str(e)})")
+
+        if not stripped_text_from_html:
+            # Probably something else, go fish inside for it
+            try:
+                stripped_text_from_html = extract_json_blob_from_html(content=content,
+                                                                      ensure_is_ldjson_info_type=ensure_is_ldjson_info_type,
+                                                                      json_filter=json_filter)
+            except json.JSONDecodeError as e:
+                logger.warning(f"Error processing JSON while extracting JSON from HTML blob {content[:20]}...{str(e)})")
 
     if not stripped_text_from_html:
         # Re 265 - Just return an empty string when filter not found

changedetectionio/processors/magic.py

@@ -100,7 +100,13 @@ class guess_stream_type():
         if any(s in http_content_header for s in RSS_XML_CONTENT_TYPES):
             self.is_rss = True
         elif any(s in http_content_header for s in JSON_CONTENT_TYPES):
-            self.is_json = True
+            # JSONP detection: server claims application/json but content is actually JSONP (e.g. cb({...}))
+            # A JSONP response starts with an identifier followed by '(' - not valid JSON
+            if re.match(r'^\w[\w.]*\s*\(', test_content):
+                logger.warning(f"Content-Type header claims JSON but content looks like JSONP (starts with identifier+parenthesis) - treating as plaintext")
+                self.is_plaintext = True
+            else:
+                self.is_json = True
         elif 'pdf' in magic_content_header:
             self.is_pdf = True
         # magic will call a rss document 'xml'

changedetectionio/processors/restock_diff/__init__.py

@@ -1,6 +1,7 @@
 
 from babel.numbers import parse_decimal
 from changedetectionio.model.Watch import model as BaseWatch
+from decimal import Decimal, InvalidOperation
 from typing import Union
 import re
 
@@ -10,6 +11,8 @@ supports_browser_steps = True
 supports_text_filters_and_triggers = True
 supports_text_filters_and_triggers_elements = True
 supports_request_type = True
+_price_re = re.compile(r"Price:\s*(\d+(?:\.\d+)?)", re.IGNORECASE)
+
 
 class Restock(dict):
 
@@ -63,6 +66,17 @@ class Restock(dict):
 
         super().__setitem__(key, value)
 
+def get_price_from_history_str(history_str):
+    m = _price_re.search(history_str)
+    if not m:
+        return None
+
+    try:
+        return str(Decimal(m.group(1)))
+    except InvalidOperation:
+        return None
+
+
 class Watch(BaseWatch):
     def __init__(self, *arg, **kw):
         super().__init__(*arg, **kw)
@@ -76,13 +90,27 @@ class Watch(BaseWatch):
     def extra_notification_token_values(self):
         values = super().extra_notification_token_values()
         values['restock'] = self.get('restock', {})
+
+        values['restock']['previous_price'] = None
+        if self.history_n >= 2:
+            history = self.history
+            if history and len(history) >=2:
+                """Unfortunately for now timestamp is stored as string key"""
+                sorted_keys = sorted(list(history), key=lambda x: int(x))
+                sorted_keys.reverse()
+
+                price_str = self.get_history_snapshot(timestamp=sorted_keys[-1])
+                if price_str:
+                    values['restock']['previous_price'] = get_price_from_history_str(price_str)
         return values
 
     def extra_notification_token_placeholder_info(self):
         values = super().extra_notification_token_placeholder_info()
 
         values.append(('restock.price', "Price detected"))
+        values.append(('restock.in_stock', "In stock status"))
         values.append(('restock.original_price', "Original price at first check"))
+        values.append(('restock.previous_price', "Previous price in history"))
 
         return values
 

changedetectionio/realtime/socket_server.py

@@ -199,8 +199,31 @@ def handle_watch_update(socketio, **kwargs):
         logger.error(f"Socket.IO error in handle_watch_update: {str(e)}")
 
 
+def _suppress_werkzeug_ws_abrupt_disconnect_noise():
+    """Patch BaseWSGIServer.log to suppress the AssertionError traceback that fires when
+    a browser closes a WebSocket connection mid-handshake (e.g. closing a tab).
+    The exception is caught inside run_wsgi and routed to self.server.log() — it never
+    propagates out, so wrapping run_wsgi doesn't help. Patching the log method is the
+    only reliable intercept point. The error is cosmetic: Socket.IO already handles the
+    disconnect correctly via its own disconnect handler and timeout logic."""
+    try:
+        from werkzeug.serving import BaseWSGIServer
+        _original_log = BaseWSGIServer.log
+
+        def _filtered_log(self, type, message, *args):
+            if type == 'error' and 'write() before start_response' in message:
+                return
+            _original_log(self, type, message, *args)
+
+        BaseWSGIServer.log = _filtered_log
+    except Exception:
+        pass
+
+
 def init_socketio(app, datastore):
     """Initialize SocketIO with the main Flask app"""
+    _suppress_werkzeug_ws_abrupt_disconnect_noise()
+
     import platform
     import sys
 

changedetectionio/static/js/realtime.js

@@ -116,6 +116,14 @@ $(document).ready(function () {
                 $('#realtime-conn-error').show();
             });
 
+            // Tell the server we're leaving cleanly so it can release the connection
+            // immediately rather than waiting for a timeout.
+            // Note: this only fires for voluntary closes (tab/window close, navigation away).
+            // Hard kills, crashes and network drops will still timeout normally on the server.
+            window.addEventListener('beforeunload', function () {
+                socket.disconnect();
+            });
+
             socket.on('queue_size', function (data) {
                 console.log(`${data.event_timestamp} - Queue size update: ${data.q_length}`);
                 if(queueSizePagerInfoText) {

changedetectionio/tests/test_backend.py

@@ -422,3 +422,28 @@ def test_plaintext_even_if_xml_content_and_can_apply_filters(client, live_server
     assert b'<foobar' not in res.data
 
     res = delete_all_watches(client)
+
+
+def test_last_error_cleared_on_same_checksum(client, live_server, datastore_path):
+    """last_error should be cleared even when content is unchanged (checksumFromPreviousCheckWasTheSame path)"""
+    set_original_response(datastore_path=datastore_path)
+
+    uuid = client.application.config.get('DATASTORE').add_watch(url=url_for('test_endpoint', _external=True))
+
+    # First check - establishes baseline checksum
+    client.get(url_for("ui.form_watch_checknow"), follow_redirects=True)
+    wait_for_all_checks(client)
+
+    # Inject a stale last_error directly (simulates a prior failed check)
+    datastore = client.application.config.get('DATASTORE')
+    datastore.update_watch(uuid=uuid, update_obj={'last_error': 'Some previous error'})
+    assert datastore.data['watching'][uuid].get('last_error') == 'Some previous error'
+
+    # Second check - same content, so checksumFromPreviousCheckWasTheSame will fire
+    client.get(url_for("ui.form_watch_checknow"), follow_redirects=True)
+    wait_for_all_checks(client)
+
+    # last_error must be cleared even though no change was detected
+    assert datastore.data['watching'][uuid].get('last_error') == False
+
+    delete_all_watches(client)

changedetectionio/tests/test_jsonpath_jq_selector.py

@@ -16,6 +16,51 @@ except ModuleNotFoundError:
 
 
 
+def test_jsonp_treated_as_plaintext():
+    from ..processors.magic import guess_stream_type
+
+    # JSONP content (server wrongly claims application/json) should be detected as plaintext
+    # Callback names are arbitrary identifiers, not always 'cb'
+    jsonp_content = 'jQuery123456({ "version": "8.0.41", "url": "https://example.com/app.apk" })'
+    result = guess_stream_type(http_content_header="application/json", content=jsonp_content)
+    assert result.is_json is False
+    assert result.is_plaintext is True
+
+    # Variation with dotted callback name e.g. jQuery.cb(...)
+    jsonp_dotted = 'some.callback({ "version": "1.0" })'
+    result = guess_stream_type(http_content_header="application/json", content=jsonp_dotted)
+    assert result.is_json is False
+    assert result.is_plaintext is True
+
+    # Real JSON should still be detected as JSON
+    json_content = '{ "version": "8.0.41", "url": "https://example.com/app.apk" }'
+    result = guess_stream_type(http_content_header="application/json", content=json_content)
+    assert result.is_json is True
+    assert result.is_plaintext is False
+
+
+def test_jsonp_json_filter_extraction():
+    from .. import html_tools
+
+    # Tough case: dotted namespace callback, trailing semicolon, deeply nested content with arrays
+    jsonp_content = 'weixin.update.callback({"platforms": {"android": {"variants": [{"arch": "arm64", "versionName": "8.0.68", "url": "https://example.com/app-arm64.apk"}, {"arch": "arm32", "versionName": "8.0.41", "url": "https://example.com/app-arm32.apk"}]}}});'
+
+    # Deep nested jsonpath filter into array element
+    text = html_tools.extract_json_as_string(jsonp_content, "json:$.platforms.android.variants[0].versionName")
+    assert text == '"8.0.68"'
+
+    # Filter that selects the second array element
+    text = html_tools.extract_json_as_string(jsonp_content, "json:$.platforms.android.variants[1].arch")
+    assert text == '"arm32"'
+
+    if jq_support:
+        text = html_tools.extract_json_as_string(jsonp_content, "jq:.platforms.android.variants[0].versionName")
+        assert text == '"8.0.68"'
+
+        text = html_tools.extract_json_as_string(jsonp_content, "jqraw:.platforms.android.variants[1].url")
+        assert text == "https://example.com/app-arm32.apk"
+
+
 def test_unittest_inline_html_extract():
     # So lets pretend that the JSON we want is inside some HTML
     content="""

changedetectionio/tests/test_restock_itemprop.py

@@ -350,6 +350,7 @@ def test_change_with_notification_values(client, live_server, measure_memory_usa
     res = client.get(url_for("settings.settings_page"))
     
     assert b'{{restock.original_price}}' in res.data
+    assert b'{{restock.previous_price}}' in res.data
     assert b'Original price at first check' in res.data
 
     #####################
@@ -358,7 +359,7 @@ def test_change_with_notification_values(client, live_server, measure_memory_usa
         url_for("settings.settings_page"),
         data={"application-notification_urls": notification_url,
               "application-notification_title": "title new price {{restock.price}}",
-              "application-notification_body": "new price {{restock.price}}",
+              "application-notification_body": "new price {{restock.price}} previous price {{restock.previous_price}} instock {{restock.in_stock}}",
               "application-notification_format": default_notification_format,
               "requests-time_between_check-minutes": 180,
               'application-fetch_backend': "html_requests"},
@@ -372,8 +373,6 @@ def test_change_with_notification_values(client, live_server, measure_memory_usa
 
     assert b"Settings updated." in res.data
 
-
-    set_original_response(props_markup=instock_props[0], price='960.45', datastore_path=datastore_path)
     # A change in price, should trigger a change by default
     set_original_response(props_markup=instock_props[0], price='1950.45', datastore_path=datastore_path)
     client.get(url_for("ui.form_watch_checknow"))
@@ -384,6 +383,7 @@ def test_change_with_notification_values(client, live_server, measure_memory_usa
         notification = f.read()
         assert "new price 1950.45" in notification
         assert "title new price 1950.45" in notification
+        assert "previous price 960.45" in notification
 
     ## Now test the "SEND TEST NOTIFICATION" is working
     os.unlink(os.path.join(datastore_path, "notification.txt"))

changedetectionio/tests/test_xpath_selector.py

@@ -610,6 +610,11 @@ def test_xpath_blocked_functions_unit():
         "unparsed-text-available('file:///etc/passwd')",
         "doc('file:///etc/passwd')",
         "doc-available('file:///etc/passwd')",
+        "json-doc('file:///datastore/changedetection.json')",
+        "collection('file:///datastore/')",
+        "uri-collection('file:///datastore/')",
+        "transform(map{})",
+        "load-xquery-module('foo')",
         "environment-variable('PATH')",
         "available-environment-variables()",
     ]

changedetectionio/translations/cs/LC_MESSAGES/messages.po

@@ -369,7 +369,7 @@ msgstr "Protokol ladění oznámení"
 #: changedetectionio/blueprint/settings/templates/settings.html changedetectionio/blueprint/tags/templates/edit-tag.html
 #: changedetectionio/blueprint/ui/templates/edit.html
 msgid "General"
-msgstr "Generál"
+msgstr "Obecné"
 
 #: changedetectionio/blueprint/settings/templates/settings.html
 msgid "Fetching"
@@ -393,7 +393,7 @@ msgstr "RSS"
 
 #: changedetectionio/blueprint/settings/templates/settings.html
 msgid "Backups"
-msgstr "Backups"
+msgstr "Zálohy"
 
 #: changedetectionio/blueprint/settings/templates/settings.html
 msgid "Time & Date"
@@ -409,7 +409,7 @@ msgstr "Info"
 
 #: changedetectionio/blueprint/settings/templates/settings.html
 msgid "Default recheck time for all watches, current system minimum is"
-msgstr "Výchozí čas opětovné kontroly pro všechny monitory, aktuální systémové minimum je"
+msgstr "Výchozí čas opětovné kontroly pro všechna sledování, aktuální systémové minimum je"
 
 #: changedetectionio/blueprint/settings/templates/settings.html
 msgid "more info"
@@ -445,9 +445,7 @@ msgstr ""
 
 #: changedetectionio/blueprint/settings/templates/settings.html
 msgid "Allow access to the watch change history page when password is enabled (Good for sharing the diff page)"
-msgstr ""
-"Povolit přístup na stránku historie změn monitoru, když je povoleno heslo (Vhodné pro sdílení stránky rozdílů)Povolit"
-" anonymní přístup na stránku historie sledování, když je povoleno heslo"
+msgstr "Povolit přístup na stránku historie změn monitoru, když je povoleno heslo (Vhodné pro sdílení stránky rozdílů)"
 
 #: changedetectionio/blueprint/settings/templates/settings.html
 msgid "When a request returns no content, or the HTML does not contain any text, is this considered a change?"
@@ -455,7 +453,7 @@ msgstr ""
 
 #: changedetectionio/blueprint/settings/templates/settings.html
 msgid "Choose a default proxy for all watches"
-msgstr "Vyberte výchozí proxy pro všechny monitory"
+msgstr "Vyberte výchozí proxy pro všechna sledování"
 
 #: changedetectionio/blueprint/settings/templates/settings.html
 msgid "Base URL used for the"
@@ -479,7 +477,7 @@ msgstr ""
 
 #: changedetectionio/blueprint/settings/templates/settings.html changedetectionio/blueprint/ui/templates/edit.html
 msgid "Use the"
-msgstr "Použijte"
+msgstr "Použít"
 
 #: changedetectionio/blueprint/settings/templates/settings.html changedetectionio/blueprint/ui/templates/edit.html
 msgid "Basic"
@@ -505,7 +503,7 @@ msgstr ""
 
 #: changedetectionio/blueprint/settings/templates/settings.html changedetectionio/blueprint/ui/templates/edit.html
 msgid "This will wait"
-msgstr "Tohle počká"
+msgstr "Toto počká"
 
 #: changedetectionio/blueprint/settings/templates/settings.html changedetectionio/blueprint/ui/templates/edit.html
 msgid "seconds before extracting the text."
@@ -865,7 +863,7 @@ msgstr "povoleny adresy URL pro upozornění v celém systému"
 
 #: changedetectionio/blueprint/tags/templates/edit-tag.html changedetectionio/blueprint/ui/templates/edit.html
 msgid "this form will override notification settings for this watch only"
-msgstr "tento formulář přepíše nastavení oznámení pouze pro tyto monitory"
+msgstr "tento formulář přepíše nastavení oznámení pouze pro tato sledování"
 
 #: changedetectionio/blueprint/tags/templates/edit-tag.html changedetectionio/blueprint/ui/templates/edit.html
 msgid "an empty Notification URL list here will still send notifications."
@@ -882,7 +880,7 @@ msgstr "Přidejte novou značku organizace"
 #: changedetectionio/blueprint/tags/templates/groups-overview.html
 #: changedetectionio/blueprint/watchlist/templates/watch-overview.html
 msgid "Watch group / tag"
-msgstr "Skupina / Značka"
+msgstr "Sledovat skupinu / Značka"
 
 #: changedetectionio/blueprint/tags/templates/groups-overview.html
 msgid "Groups allows you to manage filters and notifications for multiple watches under a single organisational tag."
@@ -890,15 +888,15 @@ msgstr ""
 
 #: changedetectionio/blueprint/tags/templates/groups-overview.html
 msgid "# Watches"
-msgstr "# monitorů"
+msgstr "# Sledování"
 
 #: changedetectionio/blueprint/tags/templates/groups-overview.html
 msgid "Tag / Label name"
-msgstr "Název štítku / štítku"
+msgstr "Tag / Název štítku"
 
 #: changedetectionio/blueprint/tags/templates/groups-overview.html
 msgid "No website organisational tags/groups configured"
-msgstr "Žádné skupiny/značky"
+msgstr "Žádné skupiny/značky zatím nebyly nastaveny"
 
 #: changedetectionio/blueprint/tags/templates/groups-overview.html
 #: changedetectionio/blueprint/watchlist/templates/watch-overview.html
@@ -908,7 +906,7 @@ msgstr "Upravit"
 #: changedetectionio/blueprint/tags/templates/groups-overview.html
 #: changedetectionio/blueprint/watchlist/templates/watch-overview.html
 msgid "Recheck"
-msgstr "Znovu zkontrolujte"
+msgstr "Znovu zkontrolovat"
 
 #: changedetectionio/blueprint/tags/templates/groups-overview.html
 msgid "Delete Group?"
@@ -922,7 +920,7 @@ msgstr ""
 #: changedetectionio/blueprint/tags/templates/groups-overview.html changedetectionio/blueprint/ui/templates/edit.html
 #: changedetectionio/blueprint/watchlist/templates/watch-overview.html
 msgid "Delete"
-msgstr "Vymazat"
+msgstr "Smazat"
 
 #: changedetectionio/blueprint/tags/templates/groups-overview.html
 msgid "Deletes and removes tag"
@@ -945,36 +943,36 @@ msgstr "Odpojit"
 
 #: changedetectionio/blueprint/tags/templates/groups-overview.html
 msgid "Keep the tag but unlink any watches"
-msgstr "Ponechte štítek, ale odpojte všechny monitory"
+msgstr "Ponechte štítek, ale odpojte všechna sledování"
 
 #: changedetectionio/blueprint/tags/templates/groups-overview.html changedetectionio/blueprint/ui/templates/edit.html
 msgid "RSS Feed for this watch"
-msgstr "RSS kanál pro tyto monitory"
+msgstr "RSS kanál pro toto sledování"
 
 #: changedetectionio/blueprint/ui/__init__.py
 #, python-brace-format
 msgid "{} watches deleted"
-msgstr ""
+msgstr "{} sledování smazáno"
 
 #: changedetectionio/blueprint/ui/__init__.py
 #, python-brace-format
 msgid "{} watches paused"
-msgstr "{} monitorů pozastaveno"
+msgstr "{} sledování pozastaveno"
 
 #: changedetectionio/blueprint/ui/__init__.py
 #, python-brace-format
 msgid "{} watches unpaused"
-msgstr ""
+msgstr "{} sledování opět spuštěno"
 
 #: changedetectionio/blueprint/ui/__init__.py
 #, python-brace-format
 msgid "{} watches updated"
-msgstr ""
+msgstr "{} sledování aktualizováno"
 
 #: changedetectionio/blueprint/ui/__init__.py
 #, python-brace-format
 msgid "{} watches muted"
-msgstr "{} monitorů ztlumeno"
+msgstr "{} sledování ztlumeno"
 
 #: changedetectionio/blueprint/ui/__init__.py
 #, python-brace-format
@@ -1013,7 +1011,7 @@ msgstr "Sledujte tuto adresu URL!"
 #: changedetectionio/blueprint/ui/__init__.py
 #, python-brace-format
 msgid "Cleared snapshot history for watch {}"
-msgstr "Historie snímků vymazána pro monitor {}"
+msgstr "Historie snímků vymazána pro sledování {}"
 
 #: changedetectionio/blueprint/ui/__init__.py
 msgid "History clearing started in background"
@@ -1030,7 +1028,7 @@ msgstr ""
 
 #: changedetectionio/blueprint/ui/__init__.py
 msgid "Deleted."
-msgstr "Vymazat"
+msgstr "Smazáno"
 
 #: changedetectionio/blueprint/ui/__init__.py
 msgid "Cloned, you are editing the new watch."
@@ -1047,7 +1045,7 @@ msgstr ""
 #: changedetectionio/blueprint/ui/__init__.py
 #, python-brace-format
 msgid "Queued {} watches for rechecking ({} already queued or running)."
-msgstr "Do fronty přidáno {} monitorů k opětovné kontrole ({} již ve frontě nebo běží)."
+msgstr "Do fronty přidáno {} sledování k opětovné kontrole ({} již ve frontě nebo běží)."
 
 #: changedetectionio/blueprint/ui/__init__.py
 #, python-brace-format
@@ -1056,7 +1054,7 @@ msgstr "Do fronty přidáno {} sledování k opětovné kontrole."
 
 #: changedetectionio/blueprint/ui/__init__.py
 msgid "Queueing watches for rechecking in background..."
-msgstr "Přidávání monitorů do fronty pro opětovnou kontrolu na pozadí..."
+msgstr "Přidává se sledování do fronty pro opětovnou kontrolu na pozadí..."
 
 #: changedetectionio/blueprint/ui/__init__.py
 #, python-brace-format
@@ -1105,7 +1103,7 @@ msgstr ""
 
 #: changedetectionio/blueprint/ui/edit.py
 msgid "Updated watch."
-msgstr "Smazat monitory?"
+msgstr "Sledování aktualizováno."
 
 #: changedetectionio/blueprint/ui/preview.py
 msgid "Preview unavailable - No fetch/check completed or triggers not reached"
@@ -1121,7 +1119,7 @@ msgstr "Možná budete chtít použít"
 
 #: changedetectionio/blueprint/ui/templates/clear_all_history.html
 msgid "BACKUP"
-msgstr "BACKUP"
+msgstr "ZÁLOHA"
 
 #: changedetectionio/blueprint/ui/templates/clear_all_history.html
 msgid "link first."
@@ -1161,11 +1159,11 @@ msgstr "Sdílet jako obrázek"
 
 #: changedetectionio/blueprint/ui/templates/diff-offscreen-options.html
 msgid "Ignore any lines matching"
-msgstr "Ignorujte všechny odpovídající řádky"
+msgstr "Ignorovat všechny odpovídající řádky"
 
 #: changedetectionio/blueprint/ui/templates/diff-offscreen-options.html
 msgid "Ignore any lines matching excluding digits"
-msgstr "Ignorujte všechny odpovídající řádky kromě číslic"
+msgstr "Ignorovat všechny odpovídající řádky kromě číslic"
 
 #: changedetectionio/blueprint/ui/templates/diff.html
 msgid "From"
@@ -1185,7 +1183,7 @@ msgstr "Řádky"
 
 #: changedetectionio/blueprint/ui/templates/diff.html
 msgid "Ignore Whitespace"
-msgstr "Ignorujte mezery"
+msgstr "Ignorovat mezery"
 
 #: changedetectionio/blueprint/ui/templates/diff.html
 msgid "Same/non-changed"
@@ -1209,7 +1207,7 @@ msgstr "Klávesnice:"
 
 #: changedetectionio/blueprint/ui/templates/diff.html changedetectionio/blueprint/ui/templates/preview.html
 msgid "Previous"
-msgstr "Náhled"
+msgstr "Předchozí"
 
 #: changedetectionio/blueprint/ui/templates/diff.html changedetectionio/blueprint/ui/templates/preview.html
 msgid "Next"
@@ -1241,7 +1239,7 @@ msgstr "Aktuální snímek obrazovky"
 
 #: changedetectionio/blueprint/ui/templates/diff.html
 msgid "Extract Data"
-msgstr "Extrahujte data"
+msgstr "Extrahovat data"
 
 #: changedetectionio/blueprint/ui/templates/diff.html
 msgid "seconds ago."
@@ -1269,7 +1267,7 @@ msgstr "NASTAVENÍ"
 
 #: changedetectionio/blueprint/ui/templates/diff.html
 msgid "Goto single snapshot"
-msgstr "Přejít na jeden snímek"
+msgstr "Přejít na samotný snímek"
 
 #: changedetectionio/blueprint/ui/templates/diff.html
 msgid "Highlight text to share or add to ignore lists."
@@ -1359,15 +1357,15 @@ msgstr ""
 
 #: changedetectionio/blueprint/ui/templates/edit.html
 msgid "Check/Scan all"
-msgstr "Znovu zkontrolujte vše"
+msgstr "Vše znovu zkontrolovat"
 
 #: changedetectionio/blueprint/ui/templates/edit.html
 msgid "Choose a proxy for this watch"
-msgstr "RSS kanál pro tyto monitory"
+msgstr "Vybrat proxy pro toto sledování"
 
 #: changedetectionio/blueprint/ui/templates/edit.html
 msgid "Using the current global default settings"
-msgstr "Použití aktuálního globálního výchozího nastavení"
+msgstr "Aktuálně je použito globální výchozí nastavení"
 
 #: changedetectionio/blueprint/ui/templates/edit.html
 msgid "Show advanced options"
@@ -1391,7 +1389,7 @@ msgstr "Proměnné jsou podporovány v hodnotách hlavičky požadavku"
 
 #: changedetectionio/blueprint/ui/templates/edit.html
 msgid "Alert! Extra headers file found and will be added to this watch!"
-msgstr "Upozornění! Byl nalezen další soubor záhlaví a bude přidán do těchto monitorů!"
+msgstr "Upozornění! Byl nalezen další soubor záhlaví a bude přidán do těchto sledování!"
 
 #: changedetectionio/blueprint/ui/templates/edit.html
 msgid "Headers can be also read from a file in your data-directory"
@@ -1427,7 +1425,7 @@ msgstr ""
 
 #: changedetectionio/blueprint/ui/templates/edit.html
 msgid "Visual Selector data is not ready, watch needs to be checked atleast once."
-msgstr "Data Visual Selector nejsou připravena, monitory je třeba alespoň jednou zkontrolovat."
+msgstr "Data Visual Selector nejsou připravena, sledování je třeba alespoň jednou zkontrolovat."
 
 #: changedetectionio/blueprint/ui/templates/edit.html
 msgid ""
@@ -1633,11 +1631,11 @@ msgstr ""
 
 #: changedetectionio/blueprint/ui/templates/edit.html
 msgid "Delete Watch?"
-msgstr "Smazat monitory?"
+msgstr "Smazat sledování?"
 
 #: changedetectionio/blueprint/ui/templates/edit.html
 msgid "Are you sure you want to delete the watch for:"
-msgstr "Opravdu chcete smazat monitory pro:"
+msgstr "Opravdu chcete smazat sledování pro:"
 
 #: changedetectionio/blueprint/ui/templates/edit.html
 msgid "This action cannot be undone."
@@ -1661,15 +1659,15 @@ msgstr "Vymazat historii"
 
 #: changedetectionio/blueprint/ui/templates/edit.html
 msgid "Clone & Edit"
-msgstr "Klonovat a upravovat"
+msgstr "Duplikovat a upravit"
 
 #: changedetectionio/blueprint/ui/templates/preview.html
 msgid "Select timestamp"
-msgstr "Vyberte časové razítko"
+msgstr "Vybrat časové razítko"
 
 #: changedetectionio/blueprint/ui/templates/preview.html
 msgid "Go"
-msgstr "Jít"
+msgstr "Přejít"
 
 #: changedetectionio/blueprint/ui/templates/preview.html
 msgid "Current erroring screenshot from most recent request"
@@ -1715,7 +1713,7 @@ msgstr ""
 
 #: changedetectionio/blueprint/watchlist/templates/watch-overview.html
 msgid "Add a new web page change detection watch"
-msgstr "Přidejte nové monitory zjišťování změn webové stránky"
+msgstr "Přidejte nové sledování zjišťování změn webové stránky"
 
 #: changedetectionio/blueprint/watchlist/templates/watch-overview.html
 msgid "Watch this URL!"
@@ -1723,7 +1721,7 @@ msgstr "Monitorovat tuto URL!"
 
 #: changedetectionio/blueprint/watchlist/templates/watch-overview.html
 msgid "Edit first then Watch"
-msgstr "Upravit a monitorovat"
+msgstr "Nejdříve upravit, poté sledovat"
 
 #: changedetectionio/blueprint/watchlist/templates/watch-overview.html
 msgid "Pause"
@@ -1747,7 +1745,7 @@ msgstr "Štítek"
 
 #: changedetectionio/blueprint/watchlist/templates/watch-overview.html
 msgid "Mark viewed"
-msgstr "Mark zobrazil"
+msgstr "Označit jako shlédnuté"
 
 #: changedetectionio/blueprint/watchlist/templates/watch-overview.html
 msgid "Use default notification"
@@ -1775,7 +1773,7 @@ msgstr "Vymazat/resetovat historii"
 
 #: changedetectionio/blueprint/watchlist/templates/watch-overview.html
 msgid "Delete Watches?"
-msgstr "Smazat monitory?"
+msgstr "Smazat sledování?"
 
 #: changedetectionio/blueprint/watchlist/templates/watch-overview.html
 msgid "<p>Are you sure you want to delete the selected watches?</strong></p><p>This action cannot be undone.</p>"
@@ -1823,7 +1821,7 @@ msgstr "importovat seznam"
 
 #: changedetectionio/blueprint/watchlist/templates/watch-overview.html
 msgid "Detecting restock and price"
-msgstr "Detekce zásob a ceny"
+msgstr "Kontrola zásob a ceny"
 
 #: changedetectionio/blueprint/watchlist/templates/watch-overview.html
 msgid "In stock"
@@ -1876,7 +1874,7 @@ msgstr "Nepřečtený"
 
 #: changedetectionio/blueprint/watchlist/templates/watch-overview.html
 msgid "Recheck all"
-msgstr "Znovu zkontrolujte vše"
+msgstr "Znovu zkontrolovat vše"
 
 #: changedetectionio/blueprint/watchlist/templates/watch-overview.html
 #, python-format
@@ -2026,7 +2024,7 @@ msgstr "neděle"
 
 #: changedetectionio/forms.py
 msgid "Weeks"
-msgstr "týdny"
+msgstr "Týdny"
 
 #: changedetectionio/forms.py
 msgid "Should contain zero or more seconds"
@@ -2046,7 +2044,7 @@ msgstr "Minuty"
 
 #: changedetectionio/forms.py
 msgid "Seconds"
-msgstr "sekundy"
+msgstr "Sekundy"
 
 #: changedetectionio/forms.py
 msgid "Notification Body and Title is required when a Notification URL is used"
@@ -2151,7 +2149,7 @@ msgstr "Nahrajte soubor .xlsx"
 
 #: changedetectionio/forms.py
 msgid "Must be .xlsx file!"
-msgstr "Musí to být soubor .xlsx!"
+msgstr "Musí být soubor .xlsx!"
 
 #: changedetectionio/forms.py
 msgid "File mapping"
@@ -2175,7 +2173,7 @@ msgstr "Interval mezi kontrolami"
 
 #: changedetectionio/forms.py
 msgid "Use global settings for time between check and scheduler."
-msgstr "Použijte globální nastavení pro čas mezi kontrolou a plánovačem."
+msgstr "Použít globální nastavení pro čas mezi kontrolou a plánovačem."
 
 #: changedetectionio/forms.py
 msgid "CSS/JSONPath/JQ/XPath Filters"
@@ -2284,7 +2282,7 @@ msgstr "Připojte snímek obrazovky k oznámení (pokud je to možné)"
 
 #: changedetectionio/forms.py
 msgid "Match"
-msgstr "# monitory"
+msgstr "Shoda"
 
 #: changedetectionio/forms.py
 msgid "Match all of the following"
@@ -2355,11 +2353,11 @@ msgstr "Výchozí proxy"
 
 #: changedetectionio/forms.py
 msgid "Random jitter seconds ± check"
-msgstr "Náhodné jitter sekundy ± kontrola"
+msgstr "Náhodný rozptyl kontrol ± sekund"
 
 #: changedetectionio/forms.py
 msgid "Number of fetch workers"
-msgstr "Počet pracovníků aportů"
+msgstr "Počet procesů kontrol"
 
 #: changedetectionio/forms.py
 msgid "Should be between 1 and 50"
@@ -2367,15 +2365,15 @@ msgstr "Mělo by být mezi 1 a 50"
 
 #: changedetectionio/forms.py
 msgid "Requests timeout in seconds"
-msgstr "Požaduje časový limit v sekundách"
+msgstr "Časový limit vypršení kontrol v sekundách"
 
 #: changedetectionio/forms.py
 msgid "Should be between 1 and 999"
-msgstr "Mělo by být mezi 1 a 999"
+msgstr "Nastavit mezi 1 a 999"
 
 #: changedetectionio/forms.py
 msgid "Default User-Agent overrides"
-msgstr "Výchozí přepisy User-Agent"
+msgstr "Změna výchozího nastavení hodnoty User-Agent"
 
 #: changedetectionio/forms.py
 msgid "Both a name, and a Proxy URL is required."
@@ -2387,11 +2385,11 @@ msgstr "Otevřete stránku „Historie“ na nové kartě"
 
 #: changedetectionio/forms.py
 msgid "Realtime UI Updates Enabled"
-msgstr "Aktualizace v reálném čase offline"
+msgstr "Aktualizace UI v reálném čase"
 
 #: changedetectionio/forms.py
 msgid "Favicons Enabled"
-msgstr "zvážit povolení"
+msgstr "Povolit favikony"
 
 #: changedetectionio/forms.py
 msgid "Use page <title> in watch overview list"
@@ -2427,7 +2425,7 @@ msgstr "Heslo"
 
 #: changedetectionio/forms.py
 msgid "Pager size"
-msgstr "Velikost pageru"
+msgstr "Počet položek na stránku"
 
 #: changedetectionio/forms.py
 msgid "Should be atleast zero (disabled)"
@@ -2459,7 +2457,7 @@ msgstr "Povolit anonymní přístup na stránku historie sledování, když je p
 
 #: changedetectionio/forms.py
 msgid "Hide muted watches from RSS feed"
-msgstr "Skrýt ztlumené monitory ze zdroje RSS"
+msgstr "Skrýt ztlumená sledování pro RSS zdroje"
 
 #: changedetectionio/forms.py
 msgid "Enable RSS reader mode "

changedetectionio/worker.py

@@ -284,6 +284,9 @@ async def async_update_worker(worker_id, q, notification_q, app, datastore, exec
                     logger.debug(f'[{uuid}] - checksumFromPreviousCheckWasTheSame - Checksum from previous check was the same, nothing todo here.')
                     # Reset the edited flag since we successfully completed the check
                     watch.reset_watch_edited_flag()
+                    # Page was fetched successfully - clear any previous error state
+                    datastore.update_watch(uuid=uuid, update_obj={'last_error': False})
+                    cleanup_error_artifacts(uuid, datastore)
                     
                 except content_fetchers_exceptions.BrowserConnectError as e:
                     datastore.update_watch(uuid=uuid,