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A news bar for Conky which is powered by the Python computer language.
Newsline is a news reader which appears as a horizontal bar and is intended to be utilized with feeds that are expected to be updated at a higher frequency, mostly announcements, issue trackers, forums, geographical (e.g. weather) and vehicle traffic data.
This bar is namrly intended to be utilized on "box" desktops, such as AwesomeWM, Blackbox, dwm, Fluxbox, FVWM, Hyprland, i3, Openbox, Sway, SXMO etc., yet it is functional on Budgie, LXDE, LXQt, MATE, Trinity and Xfce desktops as well.
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 sys
import toml
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.
for keyword in whitelist:
if whitelisted: break
for property in ['author', 'content', 'summary', 'title']:
if whitelisted: break
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():
whitelisted = True
# If entry is not whitelisted, check whether a blacklisted keyword exists.
if not whitelisted:
for keyword in blacklist:
if blacklisted: break
for property in ['author', 'content', 'summary', 'title']:
if blacklisted: break
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():
blacklisted = True
# If entry is not blacklisted, add it to the list.
if not blacklisted:
info = {'title' : entry['title'] if 'title' in entry else 'No title',
'author' : 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']} | "
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 = ['global', 'goog', 'hmd', 'micros', 'noki', 'buntu']
whitelist = ['2780', '8110', 'argon', 'magdesign', 'weeknd']