panki/hn-cli
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async! woooooohooooooo!!!!!!11!

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This commit is contained in:
Felix Pankratz 2023-08-30 23:11:37 +02:00
parent 42b1f50130
commit 32d57e605a
2 changed files with 60 additions and 33 deletions
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20
api.py
View File

@ -1,5 +1,6 @@
#!/usr/bin/env python3
import requests
import asyncio
from dataclasses import dataclass
@dataclass
class Story:
@ -20,15 +21,16 @@ def get_topstories():
raise Exception('Error fetching data from Hacker News API')
return r.json()
def get_story(story_id):
story_url = f'https://hacker-news.firebaseio.com/v0/item/{story_id}.json'
s = requests.get(story_url).json()
return 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, False)
async def get_story(session, story_id):
#story_url = f'https://hacker-news.firebaseio.com/v0/item/{story_id}.json'
async with session.get(f'https://hacker-news.firebaseio.com/v0/item/{story_id}.json') as resp:
s = await resp.json() #requests.get(story_url).json()
return 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, False)
def main():
ts = get_topstories()

73
hn.py
View File

@ -6,6 +6,9 @@ import curses
import webbrowser
import math
import aiohttp
import asyncio
import api
spinner_states = ['-', '\\', '|', '/']
@ -30,19 +33,6 @@ class Client:
self.cols = curses.COLS
self.stories_in_a_site = self.lines - 3
def load_stories(self, from_pos, to_pos):
for idx, i in enumerate(self.topstories[from_pos:to_pos]):
self.set_footer(f'[{spinner_states[idx%4]}] Loading { to_pos - from_pos } stories...')
self.screen.refresh()
if i in self.loadedstories.keys():
# upon reloading, refresh counts + title
updated_story = api.get_story(i)
self.loadedstories[i].votes = updated_story.votes
self.loadedstories[i].comments = updated_story.comments
self.loadedstories[i].title = updated_story.title
pass
else:
self.loadedstories[i] = api.get_story(i)
def set_footer(self, footer):
self.screen.addstr(curses.LINES - 1, 0, footer, curses.A_REVERSE)
@ -62,6 +52,7 @@ class Client:
for i, story_id in enumerate(self.topstories[self.story_pos:self.story_pos + self.stories_in_a_site]):
story = self.loadedstories[story_id]
prefix = '>' if i == self.cursor_pos else ''
# calculate length of line
text = f'{prefix} ()\n'
@ -92,8 +83,9 @@ class Client:
page = int(self.story_pos / self.stories_in_a_site + 1)
total_pages = math.ceil(len(self.loadedstories)/500)
self.set_footer(f'Page {page}/{total_pages}, loaded {len(self.loadedstories)} stories.')
#self.set_footer(f'{self.loadedstories}')
def handle_input(self):
async def handle_input(self):
c = self.screen.getch()
story = self.loadedstories[self.topstories[self.story_pos + self.cursor_pos]]
if c == ord('q'): # Quit
@ -112,7 +104,7 @@ class Client:
self.cursor_pos = 0
# scroll up down a page :)
self.story_pos += self.stories_in_a_site
self.load_more_if_needed()
await self.load_more_if_needed()
elif c == ord('c'):
# open comments
@ -131,39 +123,72 @@ class Client:
curses.resize_term(*self.screen.getmaxyx())
self.lines, self.cols = self.screen.getmaxyx()
self.stories_in_a_site = self.lines - 3
self.load_more_if_needed()
with open('log', 'a') as f:
f.write(f'resizing!!!')
await self.load_more_if_needed()
def load_more_if_needed(self):
async def load_more_if_needed(self):
with open('log', 'a') as f:
f.write(f'len: {len(self.loadedstories)} res: { self.story_pos + self.stories_in_a_site}\n')
if len(self.loadedstories) < self.story_pos + self.stories_in_a_site:
# load more
self.load_stories(self.story_pos, self.story_pos + self.stories_in_a_site)
with open('log', 'a') as f:
f.write('loading more...\n')
await self.load_stories(self.story_pos, self.story_pos + self.stories_in_a_site)
def run(self):
self.load_stories(0, self.stories_in_a_site)
async def load_stories(self, from_pos, to_pos):
#self.set_footer(f'[{spinner_states[idx%4]}] Loading { to_pos - from_pos } stories...')
self.set_footer(f'Loading stories...')
self.screen.refresh()
story_list = []
tasks = []
#async with self.session as session:
session = self.session
for idx, i in enumerate(self.topstories[from_pos:to_pos]):
tasks.append(asyncio.ensure_future(api.get_story(session, i)))
story_list = await asyncio.gather(*tasks)
for story in story_list:
if story.id in self.loadedstories.keys():
# upon reloading, refresh counts + title
self.loadedstories[story.id].votes = story.votes
self.loadedstories[story.id].comments = story.comments
self.loadedstories[story.id].title = story.title
pass
else:
self.loadedstories[story.id] = story
async def run(self):
self.session = aiohttp.ClientSession()
await self.load_stories(0, self.stories_in_a_site)
while True:
self.draw()
self.handle_input()
await self.handle_input()
def exit(self):
self.session.close()
curses.endwin()
import sys
sys.exit(0)
def reload(self):
async def reload(self):
self.set_footer("Reloading...")
self.screen.refresh()
self.topstories = api.get_topstories()
#self.loadedstories = []
self.story_pos = 0
self.cursor_pos = 0
self.load_stories(self.cursor_pos, self.cursor_pos + self.stories_in_a_site)
await self.load_stories(self.cursor_pos, self.cursor_pos + self.stories_in_a_site)
def main():
try:
client = Client()
client.run()
#async with client.run():
asyncio.run(client.run())
except Exception as e:
curses.endwin()
client.session.close()
raise e
if __name__ == '__main__':