WIP - Plugin architecture

README.md

@@ -74,7 +74,7 @@ _Need an actual Chrome runner with Javascript support? We support fetching via W
 #### Key Features
 
 - Lots of trigger filters, such as "Trigger on text", "Remove text by selector", "Ignore text", "Extract text", also using regular-expressions!
-- Target elements with xPath and CSS Selectors, Easily monitor complex JSON with JSONPath or jq
+- Target elements with xPath(1.0) and CSS Selectors, Easily monitor complex JSON with JSONPath or jq
 - Switch between fast non-JS and Chrome JS based "fetchers"
 - Track changes in PDF files (Monitor text changed in the PDF, Also monitor PDF filesize and checksums)
 - Easily specify how often a site should be checked
@@ -86,7 +86,7 @@ _Need an actual Chrome runner with Javascript support? We support fetching via W
 
 We [recommend and use Bright Data](https://brightdata.grsm.io/n0r16zf7eivq) global proxy services, Bright Data will match any first deposit up to $100 using our signup link.
 
-[OxyLabs](https://oxylabs.io) is also an excellent proxy provider and well worth using, they offer Residental, ISP, Rotating and many other proxy types to suit your project. 
+[Oxylabs](https://oxylabs.go2cloud.org/SH2d) is also an excellent proxy provider and well worth using, they offer Residental, ISP, Rotating and many other proxy types to suit your project. 
 
 Please :star: star :star: this project and help it grow! https://github.com/dgtlmoon/changedetection.io/
 
@@ -147,7 +147,7 @@ See the wiki for more information https://github.com/dgtlmoon/changedetection.io
 
 ## Filters
 
-XPath, JSONPath, jq, and CSS support comes baked in! You can be as specific as you need, use XPath exported from various XPath element query creation tools. 
+XPath(1.0), JSONPath, jq, and CSS support comes baked in! You can be as specific as you need, use XPath exported from various XPath element query creation tools. 
 (We support LXML `re:test`, `re:match` and `re:replace`.)
 
 ## Notifications
@@ -226,7 +226,7 @@ The application also supports notifying you that it can follow this information
 
 ## Proxy Configuration
 
-See the wiki https://github.com/dgtlmoon/changedetection.io/wiki/Proxy-configuration , we also support using [BrightData proxy services where possible]( https://github.com/dgtlmoon/changedetection.io/wiki/Proxy-configuration#brightdata-proxy-support)
+See the wiki https://github.com/dgtlmoon/changedetection.io/wiki/Proxy-configuration , we also support using [Bright Data proxy services where possible]( https://github.com/dgtlmoon/changedetection.io/wiki/Proxy-configuration#brightdata-proxy-support)
 
 ## Raspberry Pi support?
 

changedetectionio/__init__.py

@@ -38,7 +38,7 @@ from flask_paginate import Pagination, get_page_parameter
 from changedetectionio import html_tools
 from changedetectionio.api import api_v1
 
-__version__ = '0.45'
+__version__ = '0.45.1'
 
 datastore = None
 
@@ -1270,10 +1270,10 @@ def changedetection_app(config=None, datastore_o=None):
                 update_q.put(queuedWatchMetaData.PrioritizedItem(priority=1, item={'uuid': uuid, 'skip_when_checksum_same': False}))
             i = 1
 
-        elif tag != None:
+        elif tag:
             # Items that have this current tag
             for watch_uuid, watch in datastore.data['watching'].items():
-                if (tag != None and tag in watch.get('tags', {})):
+                if tag in watch.get('tags', {}):
                     if watch_uuid not in running_uuids and not datastore.data['watching'][watch_uuid]['paused']:
                         update_q.put(
                             queuedWatchMetaData.PrioritizedItem(priority=1, item={'uuid': watch_uuid, 'skip_when_checksum_same': False})

changedetectionio/diff.py

@@ -35,15 +35,19 @@ def customSequenceMatcher(before, after, include_equal=False, include_removed=Tr
 
 # only_differences - only return info about the differences, no context
 # line_feed_sep could be "<br>" or "<li>" or "\n" etc
-def render_diff(previous_version_file_contents, newest_version_file_contents, include_equal=False, include_removed=True, include_added=True, include_replaced=True, line_feed_sep="\n", include_change_type_prefix=True):
+def render_diff(previous_version_file_contents, newest_version_file_contents, include_equal=False, include_removed=True, include_added=True, include_replaced=True, line_feed_sep="\n", include_change_type_prefix=True, patch_format=False):
 
     newest_version_file_contents = [line.rstrip() for line in newest_version_file_contents.splitlines()]
 
     if previous_version_file_contents:
-            previous_version_file_contents = [line.rstrip() for line in previous_version_file_contents.splitlines()]
+        previous_version_file_contents = [line.rstrip() for line in previous_version_file_contents.splitlines()]
     else:
         previous_version_file_contents = ""
 
+    if patch_format:
+        patch = difflib.unified_diff(previous_version_file_contents, newest_version_file_contents)
+        return line_feed_sep.join(patch)
+
     rendered_diff = customSequenceMatcher(before=previous_version_file_contents,
                                           after=newest_version_file_contents,
                                           include_equal=include_equal,

changedetectionio/notification.py

@@ -9,6 +9,7 @@ valid_tokens = {
     'diff': '',
     'diff_added': '',
     'diff_full': '',
+    'diff_patch': '',
     'diff_removed': '',
     'diff_url': '',
     'preview_url': '',
@@ -98,7 +99,7 @@ def process_notification(n_object, datastore):
         # Initially text or whatever
         n_format = datastore.data['settings']['application'].get('notification_format', valid_notification_formats[default_notification_format])
 
-    
+
     # https://github.com/caronc/apprise/wiki/Development_LogCapture
     # Anything higher than or equal to WARNING (which covers things like Connection errors)
     # raise it as an exception
@@ -177,7 +178,7 @@ def process_notification(n_object, datastore):
                 log_value = logs.getvalue()
                 if log_value and 'WARNING' in log_value or 'ERROR' in log_value:
                     raise Exception(log_value)
-                
+
                 sent_objs.append({'title': n_title,
                                   'body': n_body,
                                   'url' : url,
@@ -230,6 +231,7 @@ def create_notification_parameters(n_object, datastore):
             'diff': n_object.get('diff', ''),  # Null default in the case we use a test
             'diff_added': n_object.get('diff_added', ''),  # Null default in the case we use a test
             'diff_full': n_object.get('diff_full', ''),  # Null default in the case we use a test
+            'diff_patch': n_object.get('diff_patch', ''),  # Null default in the case we use a test
             'diff_removed': n_object.get('diff_removed', ''),  # Null default in the case we use a test
             'diff_url': diff_url,
             'preview_url': preview_url,

changedetectionio/processors/__init__.py

@@ -18,7 +18,26 @@ class difference_detection_processor():
 
 
 def available_processors():
+    import importlib
+    import pkgutil
+
     from . import restock_diff, text_json_diff
-    x=[('text_json_diff', text_json_diff.name), ('restock_diff', restock_diff.name)]
-    # @todo Make this smarter with introspection of sorts.
-    return x
+
+    processors = [('text_json_diff', text_json_diff.name), ('restock_diff', restock_diff.name)]
+
+    discovered_plugins = {
+        name: importlib.import_module(name)
+        for finder, name, ispkg
+        in pkgutil.iter_modules()
+        if name.startswith('changedetectionio-plugin-')
+    }
+
+    try:
+        for name, plugin in discovered_plugins.items():
+            if hasattr(plugin, 'processors'):
+                for machine_name, desc in plugin.processors.items():
+                    processors.append((machine_name, desc))
+    except Exception as e:
+        print (f"Problem fetching one or more plugins")
+
+    return processors

changedetectionio/run_proxy_tests.sh

@@ -2,6 +2,8 @@
 
 # exit when any command fails
 set -e
+# enable debug
+set -x
 
 # Test proxy list handling, starting two squids on different ports
 # Each squid adds a different header to the response, which is the main thing we test for.
@@ -19,7 +21,6 @@ docker run --network changedet-network -d \
 
 
 ## 2nd test actually choose the preferred proxy from proxies.json
-
 docker run --network changedet-network \
   -v `pwd`/tests/proxy_list/proxies.json-example:/app/changedetectionio/test-datastore/proxies.json \
   test-changedetectionio \
@@ -44,7 +45,6 @@ fi
 
 
 # Test the UI configurable proxies
-
 docker run --network changedet-network \
   test-changedetectionio \
   bash -c 'cd changedetectionio && pytest tests/proxy_list/test_select_custom_proxy.py'
@@ -58,4 +58,25 @@ then
   exit 1
 fi
 
+# Test "no-proxy" option
+docker run --network changedet-network \
+  test-changedetectionio \
+  bash -c 'cd changedetectionio && pytest tests/proxy_list/test_noproxy.py'
+
+# We need to handle grep returning 1
+set +e
+# Check request was never seen in any container
+for c in $(echo "squid-one squid-two squid-custom"); do
+  echo Checking $c
+  docker logs $c &> $c.txt
+  grep noproxy $c.txt
+  if [ $? -ne 1 ]
+  then
+    echo "Saw request for noproxy in $c container"
+    cat $c.txt
+    exit 1
+  fi
+done
+
+
 docker kill squid-one squid-two squid-custom

changedetectionio/store.py

@@ -1,3 +1,5 @@
+from distutils.util import strtobool
+
 from flask import (
     flash
 )
@@ -124,6 +126,7 @@ class ChangeDetectionStore:
 
         self.needs_write = True
 
+        self.scan_plugins()
         # Finally start the thread that will manage periodic data saves to JSON
         save_data_thread = threading.Thread(target=self.save_datastore).start()
 
@@ -325,6 +328,9 @@ class ChangeDetectionStore:
             if k in apply_extras:
                 del apply_extras[k]
 
+        if not apply_extras.get('date_created'):
+            apply_extras['date_created'] = int(time.time())
+
         new_watch.update(apply_extras)
         new_watch.ensure_data_dir_exists()
         self.__data['watching'][new_uuid] = new_watch
@@ -468,6 +474,8 @@ class ChangeDetectionStore:
                     k = "ui-" + str(i) + proxy.get('proxy_name')
                     proxy_list[k] = {'label': proxy.get('proxy_name'), 'url': proxy.get('proxy_url')}
 
+        if proxy_list and strtobool(os.getenv('ENABLE_NO_PROXY_OPTION', 'True')):
+            proxy_list["no-proxy"] = {'label': "No proxy", 'url': ''}
 
         return proxy_list if len(proxy_list) else None
 
@@ -485,6 +493,9 @@ class ChangeDetectionStore:
         # If it's a valid one
         watch = self.data['watching'].get(uuid)
 
+        if strtobool(os.getenv('ENABLE_NO_PROXY_OPTION', 'True')) and watch.get('proxy') == "no-proxy":
+            return None
+
         if watch.get('proxy') and watch.get('proxy') in list(self.proxy_list.keys()):
             return watch.get('proxy')
 
@@ -602,6 +613,19 @@ class ChangeDetectionStore:
     def tag_exists_by_name(self, tag_name):
         return any(v.get('title', '').lower() == tag_name.lower() for k, v in self.__data['settings']['application']['tags'].items())
 
+    def scan_plugins(self):
+        import importlib
+        import pkgutil
+
+        discovered_plugins = {
+            name: importlib.import_module(name)
+            for finder, name, ispkg
+            in pkgutil.iter_modules()
+            if name.startswith('changedetectionio-plugin-')
+        }
+
+        return discovered_plugins
+
     # Run all updates
     # IMPORTANT - Each update could be run even when they have a new install and the schema is correct
     #             So therefor - each `update_n` should be very careful about checking if it needs to actually run
@@ -778,15 +802,6 @@ class ChangeDetectionStore:
                 continue
         return
 
-    # We don't know when the date_created was in the past until now, so just add an index number for now.
-    def update_11(self):
-        i = 0
-        for uuid, watch in self.data['watching'].items():
-            if not watch.get('date_created'):
-                watch['date_created'] = i
-            i+=1
-        return
-
     # Create tag objects and their references from existing tag text
     def update_12(self):
         i = 0
@@ -800,3 +815,11 @@ class ChangeDetectionStore:
 
                 self.data['watching'][uuid]['tags'] = tag_uuids
 
+    # #1775 - Update 11 did not update the records correctly when adding 'date_created' values for sorting
+    def update_13(self):
+        i = 0
+        for uuid, watch in self.data['watching'].items():
+            if not watch.get('date_created'):
+                self.data['watching'][uuid]['date_created'] = i
+            i+=1
+        return

changedetectionio/templates/_common_fields.jinja

@@ -13,9 +13,9 @@
                             <div class="pure-form-message-inline">
                               <ul>
                                 <li>Use <a target=_new href="https://github.com/caronc/apprise">AppRise URLs</a> for notification to just about any service! <i><a target=_new href="https://github.com/dgtlmoon/changedetection.io/wiki/Notification-configuration-notes">Please read the notification services wiki here for important configuration notes</a></i>.</li>
-                                <li><code>discord://</code> only supports a maximum <strong>2,000 characters</strong> of notification text, including the title.</li>
-                                <li><code>tgram://</code> bots cant send messages to other bots, so you should specify chat ID of non-bot user.</li>
-                                <li><code>tgram://</code> only supports very limited HTML and can fail when extra tags are sent, <a href="https://core.telegram.org/bots/api#html-style">read more here</a> (or use plaintext/markdown format)</li>
+                                <li><code><a target=_new href="https://github.com/caronc/apprise/wiki/Notify_discord">discord://</a></code> only supports a maximum <strong>2,000 characters</strong> of notification text, including the title.</li>
+                                <li><code><a target=_new href="https://github.com/caronc/apprise/wiki/Notify_telegram">tgram://</a></code> bots can't send messages to other bots, so you should specify chat ID of non-bot user.</li>
+                                <li><code><a target=_new href="https://github.com/caronc/apprise/wiki/Notify_telegram">tgram://</a></code> only supports very limited HTML and can fail when extra tags are sent, <a href="https://core.telegram.org/bots/api#html-style">read more here</a> (or use plaintext/markdown format)</li>
                                 <li><code>gets://</code>, <code>posts://</code>, <code>puts://</code>, <code>deletes://</code> for direct API calls (or omit the "<code>s</code>" for non-SSL ie <code>get://</code>)</li>
                                   <li>Accepts the <code>{{ '{{token}}' }}</code> placeholders listed below</li>
                               </ul>
@@ -99,6 +99,10 @@
                                         <td><code>{{ '{{diff_full}}' }}</code></td>
                                         <td>The diff output - full difference output</td>
                                     </tr>
+                                    <tr>
+                                        <td><code>{{ '{{diff_patch}}' }}</code></td>
+                                        <td>The diff output - patch in unified format</td>
+                                    </tr>
                                     <tr>
                                         <td><code>{{ '{{current_snapshot}}' }}</code></td>
                                         <td>The current snapshot value, useful when combined with JSON or CSS filters

changedetectionio/templates/settings.html

@@ -231,6 +231,7 @@ nav
                 <div class="pure-control-group">
                 {{ render_field(form.requests.form.extra_proxies) }}
                 <span class="pure-form-message-inline">"Name" will be used for selecting the proxy in the Watch Edit settings</span>
+                </div>
             </div>
             <div id="actions">
                 <div class="pure-control-group">

changedetectionio/tests/proxy_list/test_noproxy.py

@@ -0,0 +1,77 @@
+#!/usr/bin/python3
+
+import time
+from flask import url_for
+from ..util import live_server_setup, wait_for_all_checks, extract_UUID_from_client
+
+
+def test_noproxy_option(client, live_server):
+    live_server_setup(live_server)
+    # Run by run_proxy_tests.sh
+    # Call this URL then scan the containers that it never went through them
+    url = "http://noproxy.changedetection.io"
+
+    # Should only be available when a proxy is setup
+    res = client.get(
+        url_for("edit_page", uuid="first", unpause_on_save=1))
+    assert b'No proxy' not in res.data
+
+    # Setup a proxy
+    res = client.post(
+        url_for("settings_page"),
+        data={
+            "requests-time_between_check-minutes": 180,
+            "application-ignore_whitespace": "y",
+            "application-fetch_backend": "html_requests",
+            "requests-extra_proxies-0-proxy_name": "custom-one-proxy",
+            "requests-extra_proxies-0-proxy_url": "http://test:awesome@squid-one:3128",
+            "requests-extra_proxies-1-proxy_name": "custom-two-proxy",
+            "requests-extra_proxies-1-proxy_url": "http://test:awesome@squid-two:3128",
+            "requests-extra_proxies-2-proxy_name": "custom-proxy",
+            "requests-extra_proxies-2-proxy_url": "http://test:awesome@squid-custom:3128",
+        },
+        follow_redirects=True
+    )
+
+    assert b"Settings updated." in res.data
+
+    # Should be available as an option
+    res = client.get(
+        url_for("settings_page", unpause_on_save=1))
+    assert b'No proxy' in res.data
+
+
+    # This will add it paused
+    res = client.post(
+        url_for("form_quick_watch_add"),
+        data={"url": url, "tags": '', 'edit_and_watch_submit_button': 'Edit > Watch'},
+        follow_redirects=True
+    )
+    assert b"Watch added in Paused state, saving will unpause" in res.data
+    uuid = extract_UUID_from_client(client)
+    res = client.get(
+        url_for("edit_page", uuid=uuid, unpause_on_save=1))
+    assert b'No proxy' in res.data
+
+    res = client.post(
+        url_for("edit_page", uuid=uuid, unpause_on_save=1),
+        data={
+                "include_filters": "",
+                "fetch_backend": "html_requests",
+                "headers": "",
+                "proxy": "no-proxy",
+                "tags": "",
+                "url": url,
+              },
+        follow_redirects=True
+    )
+    assert b"unpaused" in res.data
+    wait_for_all_checks(client)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
+    wait_for_all_checks(client)
+    # Now the request should NOT appear in the second-squid logs (handled by the run_test_proxies.sh script)
+
+    # Prove that it actually checked
+
+    assert live_server.app.config['DATASTORE'].data['watching'][uuid]['last_checked'] != 0
+

changedetectionio/tests/test_filter_exist_changes.py

@@ -15,7 +15,7 @@ def set_response_without_filter():
      <p>Which is across multiple lines</p>
      <br>
      So let's see what happens.  <br>
-     <div id="nope-doesnt-exist">Some text thats the same</div>     
+     <div id="nope-doesnt-exist">Some text thats the same</div>
      </body>
      </html>
     """
@@ -32,7 +32,7 @@ def set_response_with_filter():
      <p>Which is across multiple lines</p>
      <br>
      So let's see what happens.  <br>
-     <div class="ticket-available">Ticket now on sale!</div>     
+     <div class="ticket-available">Ticket now on sale!</div>
      </body>
      </html>
     """
@@ -84,6 +84,7 @@ def test_filter_doesnt_exist_then_exists_should_get_notification(client, live_se
                                                    "Snapshot: {{current_snapshot}}\n"
                                                    "Diff: {{diff}}\n"
                                                    "Diff Full: {{diff_full}}\n"
+                                                   "Diff as Patch: {{diff_patch}}\n"
                                                    ":-)",
                               "notification_format": "Text"}
 

changedetectionio/tests/test_filter_failure_notification.py

@@ -12,7 +12,7 @@ def set_response_with_filter():
      <p>Which is across multiple lines</p>
      <br>
      So let's see what happens.  <br>
-     <div id="nope-doesnt-exist">Some text thats the same</div>     
+     <div id="nope-doesnt-exist">Some text thats the same</div>
      </body>
      </html>
     """
@@ -66,6 +66,7 @@ def run_filter_test(client, content_filter):
                                                    "Snapshot: {{current_snapshot}}\n"
                                                    "Diff: {{diff}}\n"
                                                    "Diff Full: {{diff_full}}\n"
+                                                   "Diff as Patch: {{diff_patch}}\n"
                                                    ":-)",
                               "notification_format": "Text"}
 

changedetectionio/tests/test_group.py

@@ -15,7 +15,7 @@ def set_original_response():
      Some initial text<br>
      <p id="only-this">Should be only this</p>
      <br>
-     <p id="not-this">And never this</p>     
+     <p id="not-this">And never this</p>
      </body>
      </html>
     """
@@ -30,7 +30,7 @@ def set_modified_response():
      Some initial text<br>
      <p id="only-this">Should be REALLY only this</p>
      <br>
-     <p id="not-this">And never this</p>     
+     <p id="not-this">And never this</p>
      </body>
      </html>
     """
@@ -189,6 +189,7 @@ def test_group_tag_notification(client, live_server):
                                                    "Diff Added: {{diff_added}}\n"
                                                    "Diff Removed: {{diff_removed}}\n"
                                                    "Diff Full: {{diff_full}}\n"
+                                                   "Diff as Patch: {{diff_patch}}\n"
                                                    ":-)",
                               "notification_screenshot": True,
                               "notification_format": "Text",
@@ -319,4 +320,4 @@ def test_clone_tag_on_quickwatchform_add(client, live_server):
     assert b'Deleted' in res.data
 
     res = client.get(url_for("tags.delete_all"), follow_redirects=True)
-    assert b'All tags deleted' in res.data
+    assert b'All tags deleted' in res.data

changedetectionio/tests/test_notification.py

@@ -98,6 +98,7 @@ def test_check_notification(client, live_server):
                                                    "Diff Added: {{diff_added}}\n"
                                                    "Diff Removed: {{diff_removed}}\n"
                                                    "Diff Full: {{diff_full}}\n"
+                                                   "Diff as Patch: {{diff_patch}}\n"
                                                    ":-)",
                               "notification_screenshot": True,
                               "notification_format": "Text"}

changedetectionio/tests/unit/test_notification_diff.py

@@ -36,7 +36,7 @@ class TestDiffBuilder(unittest.TestCase):
         output = output.split("\n")
         self.assertIn('(removed) for having learned computerese,', output)
         self.assertIn('(removed) I continue to examine bits, bytes and words', output)
-        
+
         #diff_removed
         with open(base_dir + "/test-content/before.txt", 'r') as f:
             previous_version_file_contents = f.read()
@@ -49,7 +49,7 @@ class TestDiffBuilder(unittest.TestCase):
         self.assertIn('(into) xok', output)
         self.assertIn('(into) next-x-ok', output)
         self.assertNotIn('(added) and something new', output)
-        
+
         #diff_removed
         with open(base_dir + "/test-content/after-2.txt", 'r') as f:
             newest_version_file_contents = f.read()
@@ -57,9 +57,25 @@ class TestDiffBuilder(unittest.TestCase):
         output = output.split("\n")
         self.assertIn('(removed) for having learned computerese,', output)
         self.assertIn('(removed) I continue to examine bits, bytes and words', output)
-        
+
+    def test_expected_diff_patch_output(self):
+        base_dir = os.path.dirname(__file__)
+        with open(base_dir + "/test-content/before.txt", 'r') as f:
+            before = f.read()
+        with open(base_dir + "/test-content/after.txt", 'r') as f:
+            after = f.read()
+
+        output = diff.render_diff(previous_version_file_contents=before,
+                                  newest_version_file_contents=after,
+                                  patch_format=True)
+        output = output.split("\n")
+
+        self.assertIn('-ok', output)
+        self.assertIn('+xok', output)
+        self.assertIn('+next-x-ok', output)
+        self.assertIn('+and something new', output)
 
         # @todo test blocks of changed, blocks of added, blocks of removed
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest.main()

changedetectionio/update_worker.py

@@ -1,6 +1,8 @@
+import importlib
 import os
-import threading
+import pkgutil
 import queue
+import threading
 import time
 
 from changedetectionio import content_fetcher
@@ -58,6 +60,7 @@ class update_worker(threading.Thread):
             'diff': diff.render_diff(watch.get_history_snapshot(dates[-2]), watch.get_history_snapshot(dates[-1]), line_feed_sep=line_feed_sep),
             'diff_added': diff.render_diff(watch.get_history_snapshot(dates[-2]), watch.get_history_snapshot(dates[-1]), include_removed=False, line_feed_sep=line_feed_sep),
             'diff_full': diff.render_diff(watch.get_history_snapshot(dates[-2]), watch.get_history_snapshot(dates[-1]), include_equal=True, line_feed_sep=line_feed_sep),
+            'diff_patch': diff.render_diff(watch.get_history_snapshot(dates[-2]), watch.get_history_snapshot(dates[-1]), line_feed_sep=line_feed_sep, patch_format=True),
             'diff_removed': diff.render_diff(watch.get_history_snapshot(dates[-2]), watch.get_history_snapshot(dates[-1]), include_added=False, line_feed_sep=line_feed_sep),
             'screenshot': watch.get_screenshot() if watch.get('notification_screenshot') else None,
             'triggered_text': triggered_text,
@@ -228,13 +231,28 @@ class update_worker(threading.Thread):
                     now = time.time()
 
                     try:
-                        processor = self.datastore.data['watching'][uuid].get('processor','text_json_diff')
+                        processor = self.datastore.data['watching'][uuid].get('processor', 'text_json_diff')
 
                         # @todo some way to switch by name
                         if processor == 'restock_diff':
                             update_handler = restock_diff.perform_site_check(datastore=self.datastore)
                         else:
                             # Used as a default and also by some tests
+                            discovered_plugins = {
+                                name: importlib.import_module(name)
+                                for finder, name, ispkg
+                                in pkgutil.iter_modules()
+                                if name.startswith('changedetectionio-plugin-')
+                            }
+
+                            for module_name, plugin in discovered_plugins.items():
+                                if hasattr(plugin, 'processors'):
+                                    for machine_name, desc in plugin.processors:
+                                        if machine_name == processor:
+                                            module = importlib.import_module(f"{module_name}.processors.{plugin}")
+                                            update_handler = module.perform_site_check(datastore=self.datastore)
+                                            #processors.append((machine_name, desc))
+
                             update_handler = text_json_diff.perform_site_check(datastore=self.datastore)
 
                         changed_detected, update_obj, contents = update_handler.run(uuid, skip_when_checksum_same=queued_item_data.item.get('skip_when_checksum_same'))

requirements.txt

@@ -33,7 +33,7 @@ dnspython<2.3.0
 # jq not available on Windows so must be installed manually
 
 # Notification library
-apprise~=1.4.5
+apprise~=1.5.0
 
 # apprise mqtt https://github.com/dgtlmoon/changedetection.io/issues/315
 paho-mqtt