Newsline

conky.config = {
-- CORE
   background = true,
   update_interval = 20,
   total_run_times = 0,

   cpu_avg_samples = 2,
   net_avg_samples = 2,

   double_buffer = true,
-- no_buffers = true,

   template0 = '\n',

-- COLOURS
   default_color = '#000',
-- own_window_argb_value = 70,
-- own_window_argb_visual = true,
   own_window_colour = '#dfdfdf',

-- DIMENSIONS
-- minimum_height = 10,
-- minimum_size = 300,
   minimum_width = 1920,
   maximum_width = 1920,

-- GRAPHICS
   draw_borders = false,
   draw_graph_borders = false,
   draw_outline = false,
   draw_shades = false,
   short_units,

-- POSITION
   alignment = 'bottom_middle',

-- DISPLAY MONITOR
-- xinerama_head = 2,

-- TEXT
   font = 'DejaVu Sans Mono:size=17',
   override_utf8_locale = true,
   uppercase = false,
   use_xft = true,
-- xftfont = 'Montserrat Regular:size=16',

-- TYPE
   own_window = true,
   own_window_class = 'NewsLine',
   own_window_hints = undecorated,above,sticky,skip_taskbar,skip_pager,
   own_window_title = newsline,
   own_window_transparent = no,
   own_window_type = 'dock', -- for blackbox, fluxbox, i3 (top) and openbox
-- own_window_type = 'panel', -- for i3 (bottom), xfce
-- own_window_type = 'override', -- for xfce
}

conky.text = [[${scroll left 250 10 20 ${execpi 600 python newsline.py}}]]

import feedparser
import re
import sys
import toml

def strip_html_tags(text):
    clean = re.compile('<.*?>')
    return re.sub(clean, '', text)

def is_listed(entry, keywords):
    for keyword in keywords:
        for property in ['author', 'content', 'summary', 'title']:
            if property in entry:
                if isinstance(entry[property], list):
                    entry_property = ' '
                    for content in entry[property]:
                        if 'value' in entry[property]: entry_property += entry[property]['value']
                    entry[property] = entry_property
                if keyword.lower() in entry[property].lower():
                    return True

if __name__ == '__main__':
    excerpts = []
    toml_file = toml.load('newsline.toml')
    max_titles = toml_file['titles']
    blacklist = toml_file['blacklist']
    whitelist = toml_file['whitelist']
    for url in toml_file['sources']:
        try:
            feed = feedparser.parse(url)
        except Exception as e:
            print(f"Error parsing {url}: {e}", file=sys.stderr)
            feed = None
        if feed:
            data = []
            for entry in feed.entries:
                # Set whitelisted and blacklisted to False.
                blacklisted = whitelisted = False
                # Check whether a whitelisted keyword exists.
                whitelisted = is_listed(entry, whitelist)
                # If entry is not whitelisted, check whether a blacklisted keyword exists.
                if not whitelisted: blacklisted = is_listed(entry, blacklist)
                # If entry is not blacklisted, add it to the list.
                if not blacklisted:
                    info = {'title' : strip_html_tags(entry['title']) if 'title' in entry else 'No title',
                            'author' : strip_html_tags(entry['author']) if 'author' in entry else '',
                            'updated' : entry['updated'] if 'updated' in entry else ''}
                    data.append(info)
                    if len(data) > max_titles: break
            excerpt = data
        else:
            excerpt = []
        excerpts += excerpt
    # Sort entries by date.
    sorted_excerpts = sorted(excerpts, key=lambda x: x['updated'], reverse=True)
    excerpt_text = ''
    # Concatenate entries
    for excerpt in sorted_excerpts:
        if excerpt['author']:
            excerpt_text += f"{excerpt['author']}: {excerpt['title']} | "
        else:
            excerpt_text += f"{excerpt['title']} | "
    # Replace characters that may disrupt rendering by Conky.
    excerpt_text = excerpt_text.replace('#', '№')
    print(excerpt_text)
    sys.exit()

# Set the amount of titles per source
titles = 3

# Feed URLs
sources = [
    "https://forum.cooltech.zone/syndication.php?type=atom1.0",
    "https://forums.rockbox.org/index.php?type=atom;action=.xml",
    "https://gitlab.archlinux.org/archlinux/packaging/packages/linux/-/issues.atom",
    "https://salsa.debian.org/Mobian-team.atom",
    "https://wiki.postmarketos.org/index.php?title=Special:RecentChanges&feed=atom",
]

# Filters
blacklist = ['goog', 'hmd', 'lobal', 'micros', 'noki', 'buntu']
whitelist = ['2780', '8110', 'argon', 'magdesign', 'weeknd']