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96 lines
3.3 KiB
Python

#!/usr/bin/env python3
#TODO: make sure things dont explode no matter what terminal size
# -> prevent linebreaks in a single story
# -> only load as many stories as fit
import requests
from bs4 import BeautifulSoup as Soup
import curses
import webbrowser
from dataclasses import dataclass
spinner_states = ['-', '\\', '|', '/']
@dataclass
class Story:
id: int
title: str
link: str
author: str
votes: int
comments: int
def footer(stdscr, content):
stdscr.addstr(curses.LINES-1, 0, content, curses.A_REVERSE)
def main(stdscr):
stdscr.clear()
height, width = stdscr.getmaxyx()
num_stories = curses.LINES - 3 # headline, detail, footer
# Query Hacker News API for top stories and their titles/links
url = 'https://hacker-news.firebaseio.com/v0/topstories.json'
r = requests.get(url)
if not r.ok:
raise Exception('Error fetching data from Hacker News API')
ids = r.json()[:num_stories]
stories = []
for idx, i in enumerate(ids):
stdscr.clear()
#stdscr.addstr(f'[{spinner_states[idx%4]}] Getting stories...')
footer(stdscr, f'[{spinner_states[idx%4]}] Getting stories...')
stdscr.refresh()
story_url = f'https://hacker-news.firebaseio.com/v0/item/{i}.json'
s = requests.get(story_url).json()
stories.append(Story(s['id'],
s['title'],
s['url'] if 'url' in s else 'No URL',
s['by'], s['score'],
len(s['kids']) if 'kids' in s else 0))
# Display list of stories in terminal window with arrow key navigation
current_pos = 0
while True:
stdscr.clear()
stdscr.addstr('Hacker News Top Stories:\n')
for i, story in enumerate(stories):
prefix = '>>> ' if i == current_pos else ' '
# calculate length of line
text = f'{prefix} ()\n'
chars_available = width - len(text)
1 year ago
max_title_len = min((chars_available//3)*2, len(story.title))
max_url_len = chars_available - max_title_len
title = story.title[:max_title_len-1] + "" if len(story.title) > max_title_len else story.title
link = story.link.replace('https://', '').replace('http://', '')
link = link[:max_url_len-1] + "" if len(link) > max_url_len else link
text = '{}{} ({})\n'.format(prefix, title, link.replace('https://', '').replace('http://', ''))
stdscr.addstr(text)
if i == current_pos:
detail = f' by {story.author} | {story.comments} comments | {story.votes} points\n'
stdscr.addstr(detail)
footer(stdscr, f'Loaded {num_stories} stories.')
stdscr.refresh()
c = stdscr.getch()
if c == ord('q'): # Quit
break
elif c == curses.KEY_UP:
current_pos -= 1
if current_pos < 0:
current_pos = len(stories)-1
elif c == curses.KEY_DOWN:
current_pos += 1
if current_pos >= len(stories):
current_pos = 0
elif c == ord('c'):
webbrowser.open(f'https://news.ycombinator.com/item?id={stories[current_pos].id}')
elif c == curses.KEY_ENTER or c == 10:
webbrowser.open(stories[current_pos].link)
curses.wrapper(main)