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2 Commits

Author SHA1 Message Date
dgtlmoon
0f2b2f4258 Merge branch 'master' into reverse-2626-memory 2024-09-27 20:30:41 +02:00
dgtlmoon
192ae8064c Reversing subprocess execution - saved a little memory but used a LOT more CPU 2024-09-25 13:56:22 +02:00
16 changed files with 51 additions and 300 deletions

View File

@@ -1,8 +1,6 @@
#!/usr/bin/env python3
import datetime
import importlib
import flask_login
import locale
import os
@@ -12,9 +10,7 @@ import threading
import time
import timeago
from .content_fetchers.exceptions import ReplyWithContentButNoText
from .processors import find_processors, get_parent_module, get_custom_watch_obj_for_processor
from .processors.text_json_diff.processor import FilterNotFoundInResponse
from .safe_jinja import render as jinja_render
from changedetectionio.strtobool import strtobool
from copy import deepcopy
@@ -1400,58 +1396,6 @@ def changedetection_app(config=None, datastore_o=None):
# Return a 500 error
abort(500)
@app.route("/edit/<string:uuid>/preview-rendered", methods=['POST'])
@login_optionally_required
def watch_get_preview_rendered(uuid):
'''For when viewing the "preview" of the rendered text from inside of Edit'''
now = time.time()
import brotli
from . import forms
text_after_filter = ''
tmp_watch = deepcopy(datastore.data['watching'].get(uuid))
if tmp_watch and tmp_watch.history and os.path.isdir(tmp_watch.watch_data_dir):
# Splice in the temporary stuff from the form
form = forms.processor_text_json_diff_form(formdata=request.form if request.method == 'POST' else None,
data=request.form
)
# Only update vars that came in via the AJAX post
p = {k: v for k, v in form.data.items() if k in request.form.keys()}
tmp_watch.update(p)
latest_filename = next(reversed(tmp_watch.history))
html_fname = os.path.join(tmp_watch.watch_data_dir, f"{latest_filename}.html.br")
with open(html_fname, 'rb') as f:
decompressed_data = brotli.decompress(f.read()).decode('utf-8') if html_fname.endswith('.br') else f.read().decode('utf-8')
# Just like a normal change detection except provide a fake "watch" object and dont call .call_browser()
processor_module = importlib.import_module("changedetectionio.processors.text_json_diff.processor")
update_handler = processor_module.perform_site_check(datastore=datastore,
watch_uuid=uuid # probably not needed anymore anyway?
)
# Use the last loaded HTML as the input
update_handler.fetcher.content = decompressed_data
update_handler.fetcher.headers['content-type'] = tmp_watch.get('content-type')
try:
changed_detected, update_obj, contents, text_after_filter = update_handler.run_changedetection(
watch=tmp_watch,
skip_when_checksum_same=False,
)
except FilterNotFoundInResponse as e:
text_after_filter = f"Filter not found in HTML: {str(e)}"
except ReplyWithContentButNoText as e:
text_after_filter = f"Filter found but no text (empty result)"
except Exception as e:
text_after_filter = f"Error: {str(e)}"
if not text_after_filter.strip():
text_after_filter = 'Empty content'
logger.trace(f"Parsed in {time.time()-now:.3f}s")
return text_after_filter.strip()
@app.route("/form/add/quickwatch", methods=['POST'])
@login_optionally_required
def form_quick_watch_add():

View File

@@ -18,7 +18,6 @@ class watch_base(dict):
'check_count': 0,
'check_unique_lines': False, # On change-detected, compare against all history if its something new
'consecutive_filter_failures': 0, # Every time the CSS/xPath filter cannot be located, reset when all is fine.
'content-type': None,
'date_created': None,
'extract_text': [], # Extract text by regex after filters
'extract_title_as_title': False,

View File

@@ -1,6 +1,4 @@
from abc import abstractmethod
from changedetectionio.content_fetchers.base import Fetcher
from changedetectionio.strtobool import strtobool
from copy import deepcopy
@@ -25,11 +23,10 @@ class difference_detection_processor():
super().__init__(*args, **kwargs)
self.datastore = datastore
self.watch = deepcopy(self.datastore.data['watching'].get(watch_uuid))
# Generic fetcher that should be extended (requests, playwright etc)
self.fetcher = Fetcher()
def call_browser(self):
from requests.structures import CaseInsensitiveDict
from changedetectionio.content_fetchers.exceptions import EmptyReply
# Protect against file:// access
if re.search(r'^file://', self.watch.get('url', '').strip(), re.IGNORECASE):
@@ -162,7 +159,7 @@ class difference_detection_processor():
some_data = 'xxxxx'
update_obj["previous_md5"] = hashlib.md5(some_data.encode('utf-8')).hexdigest()
changed_detected = False
return changed_detected, update_obj, ''.encode('utf-8'), b''
return changed_detected, update_obj, ''.encode('utf-8')
def find_sub_packages(package_name):

View File

@@ -298,4 +298,4 @@ class perform_site_check(difference_detection_processor):
# Always record the new checksum
update_obj["previous_md5"] = fetched_md5
return changed_detected, update_obj, snapshot_content.encode('utf-8').strip(), b''
return changed_detected, update_obj, snapshot_content.encode('utf-8').strip()

View File

@@ -207,7 +207,7 @@ class perform_site_check(difference_detection_processor):
stripped_text_from_html = '\n'.join(line.strip() for line in stripped_text_from_html.replace("\n\n", "\n").splitlines())
if watch.get('remove_duplicate_lines'):
stripped_text_from_html = '\n'.join(dict.fromkeys(line for line in stripped_text_from_html.replace("\n\n", "\n").splitlines()))
stripped_text_from_html = '\n'.join(dict.fromkeys(line.strip() for line in stripped_text_from_html.replace("\n\n", "\n").splitlines()))
if watch.get('sort_text_alphabetically'):
# Note: Because a <p>something</p> will add an extra line feed to signify the paragraph gap
@@ -242,7 +242,7 @@ class perform_site_check(difference_detection_processor):
# We had some content, but no differences were found
# Store our new file as the MD5 so it will trigger in the future
c = hashlib.md5(text_content_before_ignored_filter.translate(None, b'\r\n\t ')).hexdigest()
return False, {'previous_md5': c}, stripped_text_from_html.encode('utf-8'), stripped_text_from_html.encode('utf-8')
return False, {'previous_md5': c}, stripped_text_from_html.encode('utf-8')
else:
stripped_text_from_html = rendered_diff
@@ -365,4 +365,4 @@ class perform_site_check(difference_detection_processor):
if not watch.get('previous_md5'):
watch['previous_md5'] = fetched_md5
return changed_detected, update_obj, text_content_before_ignored_filter, stripped_text_from_html
return changed_detected, update_obj, text_content_before_ignored_filter

View File

@@ -12,55 +12,6 @@ function toggleOpacity(checkboxSelector, fieldSelector, inverted) {
checkbox.addEventListener('change', updateOpacity);
}
(function($) {
// Object to store ongoing requests by namespace
const requests = {};
$.abortiveSingularAjax = function(options) {
const namespace = options.namespace || 'default';
// Abort the current request in this namespace if it's still ongoing
if (requests[namespace]) {
requests[namespace].abort();
}
// Start a new AJAX request and store its reference in the correct namespace
requests[namespace] = $.ajax(options);
// Return the current request in case it's needed
return requests[namespace];
};
})(jQuery);
function request_textpreview_update() {
if (!$('body').hasClass('preview-text-enabled')) {
console.error("Preview text was requested but body tag was not setup")
return
}
const data = {};
$('textarea:visible, input:visible').each(function () {
const $element = $(this); // Cache the jQuery object for the current element
const name = $element.attr('name'); // Get the name attribute of the element
data[name] = $element.is(':checkbox') ? ($element.is(':checked') ? $element.val() : undefined) : $element.val();
});
$.abortiveSingularAjax({
type: "POST",
url: preview_text_edit_filters_url,
data: data,
namespace: 'watchEdit'
}).done(function (data) {
$('#filters-and-triggers #text-preview-inner').text(data);
}).fail(function (error) {
if (error.statusText === 'abort') {
console.log('Request was aborted due to a new request being fired.');
} else {
$('#filters-and-triggers #text-preview-inner').text('There was an error communicating with the server.');
}
})
}
$(document).ready(function () {
$('#notification-setting-reset-to-default').click(function (e) {
$('#notification_title').val('');
@@ -76,22 +27,5 @@ $(document).ready(function () {
toggleOpacity('#time_between_check_use_default', '#time_between_check', false);
const vh = Math.max(document.documentElement.clientHeight || 0, window.innerHeight || 0);
$("#text-preview-inner").css('max-height', (vh-300)+"px");
// Realtime preview of 'Filters & Text' setup
var debounced_request_textpreview_update = request_textpreview_update.debounce(100);
$("#activate-text-preview").click(function (e) {
$('body').toggleClass('preview-text-enabled')
request_textpreview_update();
const method = $('body').hasClass('preview-text-enabled') ? 'on' : 'off';
$("#text-preview-refresh")[method]('click', debounced_request_textpreview_update);
$('textarea:visible')[method]('keyup blur', debounced_request_textpreview_update);
$('input:visible')[method]('keyup blur change', debounced_request_textpreview_update);
$("#filters-and-triggers-tab")[method]('click', debounced_request_textpreview_update);
});
});

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@@ -42,36 +42,26 @@
#browser-steps .flex-wrapper {
display: flex;
flex-flow: row;
height: 70vh;
font-size: 80%;
@media screen and (min-width: 800px) {
display: flex;
flex-flow: row;
height: 70vh;
#browser-steps-fieldlist {
flex-grow: 0; /* Don't allow it to grow */
flex-shrink: 0; /* Don't allow it to shrink */
flex-basis: auto; /* Base width is determined by the content */
max-width: 400px; /* Set a max width to prevent overflow */
padding-left: 1rem;
overflow-y: scroll;
}
#browser-steps-ui {
flex-grow: 1; /* Allow it to grow and fill the available space */
flex-shrink: 1; /* Allow it to shrink if needed */
flex-basis: 0; /* Start with 0 base width so it stretches as much as possible */
}
}
#browser-steps-ui {
flex-grow: 1; /* Allow it to grow and fill the available space */
flex-shrink: 1; /* Allow it to shrink if needed */
flex-basis: 0; /* Start with 0 base width so it stretches as much as possible */
background-color: #eee;
border-radius: 5px;
}
#browser-steps-field-list {
text-align: center;
#browser-steps-fieldlist {
flex-grow: 0; /* Don't allow it to grow */
flex-shrink: 0; /* Don't allow it to shrink */
flex-basis: auto; /* Base width is determined by the content */
max-width: 400px; /* Set a max width to prevent overflow */
padding-left: 1rem;
overflow-y: scroll;
}
}

View File

@@ -1,45 +0,0 @@
body.preview-text-enabled {
#filters-and-triggers > div {
display: flex; /* Establishes Flexbox layout */
gap: 20px; /* Adds space between the columns */
position: relative; /* Ensures the sticky positioning is relative to this parent */
}
/* layout of the page */
#edit-text-filter, #text-preview {
flex: 1; /* Each column takes an equal amount of available space */
align-self: flex-start; /* Aligns the right column to the start, allowing it to maintain its content height */
}
#edit-text-filter {
#pro-tips {
display: none;
}
}
#text-preview {
position: sticky;
top: 25px;
display: block !important;
}
/* actual preview area */
#text-preview-inner {
background: var(--color-grey-900);
border: 1px solid var(--color-grey-600);
padding: 1rem;
color: #333;
font-family: "Courier New", Courier, monospace; /* Sets the font to a monospace type */
font-size: 12px;
overflow-x: scroll;
white-space: pre-wrap; /* Preserves whitespace and line breaks like <pre> */
overflow-wrap: break-word; /* Allows long words to break and wrap to the next line */
}
}
#activate-text-preview {
right: 0;
position: absolute;
z-index: 0;
box-shadow: 1px 1px 4px var(--color-shadow-jump);
}

View File

@@ -12,7 +12,6 @@
@import "parts/_darkmode";
@import "parts/_menu";
@import "parts/_love";
@import "parts/preview_text_filter";
body {
color: var(--color-text);

View File

@@ -47,35 +47,30 @@
display: none; }
#browser-steps .flex-wrapper {
display: flex;
flex-flow: row;
height: 70vh;
font-size: 80%; }
@media screen and (min-width: 800px) {
#browser-steps .flex-wrapper {
display: flex;
flex-flow: row;
height: 70vh; }
#browser-steps .flex-wrapper #browser-steps-fieldlist {
flex-grow: 0;
/* Don't allow it to grow */
flex-shrink: 0;
/* Don't allow it to shrink */
flex-basis: auto;
/* Base width is determined by the content */
max-width: 400px;
/* Set a max width to prevent overflow */
padding-left: 1rem;
overflow-y: scroll; }
#browser-steps .flex-wrapper #browser-steps-ui {
flex-grow: 1;
/* Allow it to grow and fill the available space */
flex-shrink: 1;
/* Allow it to shrink if needed */
flex-basis: 0;
/* Start with 0 base width so it stretches as much as possible */ } }
#browser-steps .flex-wrapper #browser-steps-ui {
flex-grow: 1;
/* Allow it to grow and fill the available space */
flex-shrink: 1;
/* Allow it to shrink if needed */
flex-basis: 0;
/* Start with 0 base width so it stretches as much as possible */
background-color: #eee;
border-radius: 5px; }
#browser-steps .flex-wrapper #browser-steps-field-list {
text-align: center; }
#browser-steps .flex-wrapper #browser-steps-fieldlist {
flex-grow: 0;
/* Don't allow it to grow */
flex-shrink: 0;
/* Don't allow it to shrink */
flex-basis: auto;
/* Base width is determined by the content */
max-width: 400px;
/* Set a max width to prevent overflow */
padding-left: 1rem;
overflow-y: scroll; }
/* this is duplicate :( */
#browsersteps-selector-wrapper {
@@ -433,47 +428,6 @@ html[data-darkmode="true"] #toggle-light-mode .icon-dark {
fill: #ff0000 !important;
transition: all ease 0.3s !important; }
body.preview-text-enabled {
/* layout of the page */
/* actual preview area */ }
body.preview-text-enabled #filters-and-triggers > div {
display: flex;
/* Establishes Flexbox layout */
gap: 20px;
/* Adds space between the columns */
position: relative;
/* Ensures the sticky positioning is relative to this parent */ }
body.preview-text-enabled #edit-text-filter, body.preview-text-enabled #text-preview {
flex: 1;
/* Each column takes an equal amount of available space */
align-self: flex-start;
/* Aligns the right column to the start, allowing it to maintain its content height */ }
body.preview-text-enabled #edit-text-filter #pro-tips {
display: none; }
body.preview-text-enabled #text-preview {
position: sticky;
top: 25px;
display: block !important; }
body.preview-text-enabled #text-preview-inner {
background: var(--color-grey-900);
border: 1px solid var(--color-grey-600);
padding: 1rem;
color: #333;
font-family: "Courier New", Courier, monospace;
/* Sets the font to a monospace type */
font-size: 12px;
overflow-x: scroll;
white-space: pre-wrap;
/* Preserves whitespace and line breaks like <pre> */
overflow-wrap: break-word;
/* Allows long words to break and wrap to the next line */ }
#activate-text-preview {
right: 0;
position: absolute;
z-index: 0;
box-shadow: 1px 1px 4px var(--color-shadow-jump); }
body {
color: var(--color-text);
background: var(--color-background-page);

View File

@@ -33,7 +33,7 @@
<script src="{{url_for('static_content', group='js', filename='csrf.js')}}" defer></script>
</head>
<body class="">
<body>
<div class="header">
<div class="home-menu pure-menu pure-menu-horizontal pure-menu-fixed" id="nav-menu">
{% if has_password and not current_user.is_authenticated %}

View File

@@ -50,7 +50,7 @@
{% endif %}
{% if watch['processor'] == 'text_json_diff' %}
<li class="tab"><a id="visualselector-tab" href="#visualselector">Visual Filter Selector</a></li>
<li class="tab" id="filters-and-triggers-tab"><a href="#filters-and-triggers">Filters &amp; Triggers</a></li>
<li class="tab"><a href="#filters-and-triggers">Filters &amp; Triggers</a></li>
{% endif %}
<li class="tab"><a href="#notifications">Notifications</a></li>
<li class="tab"><a href="#stats">Stats</a></li>
@@ -254,10 +254,7 @@ User-Agent: wonderbra 1.0") }}
{% if watch['processor'] == 'text_json_diff' %}
<div class="tab-pane-inner" id="filters-and-triggers">
<span id="activate-text-preview" class="pure-button pure-button-primary button-xsmall">Activate preview</span>
<div>
<div id="edit-text-filter">
<div class="pure-control-group" id="pro-tips">
<div class="pure-control-group">
<strong>Pro-tips:</strong><br>
<ul>
<li>
@@ -350,6 +347,10 @@ nav
{{ render_checkbox_field(form.trim_text_whitespace) }}
<span class="pure-form-message-inline">Remove any whitespace before and after each line of text</span>
</fieldset>
<fieldset class="pure-control-group">
{{ render_checkbox_field(form.check_unique_lines) }}
<span class="pure-form-message-inline">Good for websites that just move the content around, and you want to know when NEW content is added, compares new lines against all history for this watch.</span>
</fieldset>
<fieldset>
<div class="pure-control-group">
{{ render_field(form.trigger_text, rows=5, placeholder="Some text to wait for in a line
@@ -418,19 +419,7 @@ Unavailable") }}
</fieldset>
</div>
</div>
<div id="text-preview" style="display: none;" >
<script>
const preview_text_edit_filters_url="{{url_for('watch_get_preview_rendered', uuid=uuid)}}";
</script>
<span><strong>Preview of the text that is used for changedetection after all filters run.</strong></span><br>
{#<div id="text-preview-controls"><span id="text-preview-refresh" class="pure-button button-xsmall">Refresh</span></div>#}
<p>
<div id="text-preview-inner"></div>
</p>
</div>
</div>
</div>
{% endif %}
{% endif %}
{# rendered sub Template #}
{% if extra_form_content %}
<div class="tab-pane-inner" id="extras_tab">

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@@ -3,7 +3,7 @@
import time
from flask import url_for
from .util import live_server_setup, wait_for_all_checks, extract_UUID_from_client
from .util import live_server_setup, wait_for_all_checks
import pytest
@@ -38,11 +38,6 @@ def test_check_encoding_detection(client, live_server, measure_memory_usage):
# Give the thread time to pick it up
wait_for_all_checks(client)
# Content type recording worked
uuid = extract_UUID_from_client(client)
assert live_server.app.config['DATASTORE'].data['watching'][uuid]['content-type'] == "text/html"
res = client.get(
url_for("preview_page", uuid="first"),
follow_redirects=True

View File

@@ -116,11 +116,9 @@ def run_filter_test(client, live_server, content_filter):
res = client.get(url_for("index"))
assert b'Warning, no filters were found' in res.data
assert not os.path.isfile("test-datastore/notification.txt")
time.sleep(1)
assert live_server.app.config['DATASTORE'].data['watching'][uuid]['consecutive_filter_failures'] == 5
time.sleep(2)
# One more check should trigger the _FILTER_FAILURE_THRESHOLD_ATTEMPTS_DEFAULT threshold
client.get(url_for("form_watch_checknow"), follow_redirects=True)
wait_for_all_checks(client)

View File

@@ -78,7 +78,6 @@ def set_more_modified_response():
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
from os.path import isfile
for i in range(1, 20):
time.sleep(1)

View File

@@ -278,7 +278,7 @@ class update_worker(threading.Thread):
update_handler.call_browser()
changed_detected, update_obj, contents, content_after_filters = update_handler.run_changedetection(
changed_detected, update_obj, contents = update_handler.run_changedetection(
watch=watch,
skip_when_checksum_same=skip_when_same_checksum,
)
@@ -491,8 +491,6 @@ class update_worker(threading.Thread):
if not self.datastore.data['watching'].get(uuid):
continue
update_obj['content-type'] = update_handler.fetcher.get_all_headers().get('content-type', '').lower()
# Mark that we never had any failures
if not watch.get('ignore_status_codes'):
update_obj['consecutive_filter_failures'] = 0