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#!/usr/bin/env python3
import traceback
import json
import sys
from requests import get
from ch1p import State, telegram_notify
from html import escape
from argparse import ArgumentParser
def scrap_announcements():
response = get('https://www.binance.com/bapi/composite/v1/public/cms/article/list/query?type=1&pageNo=1&pageSize=50')
data = json.loads(response.text)
categories = []
count = 0
for catalog in data['data']['catalogs']:
category = {
'name': catalog['catalogName'],
'articles': []
}
for article in catalog['articles']:
category['articles'].append({
'url': f'https://www.binance.com/en/support/announcement/{article["code"]}',
'rel_date': article['releaseDate'],
'title': article['title']
})
count += 1
categories.append(category)
if not count:
raise RuntimeError('failed to find any articles')
return categories
def main(print_to_stdout: bool):
last_rel_date = 0
state = State(default={'urls': [], 'last_rel_date': last_rel_date})
if 'last_rel_date' in state:
last_rel_date = state['last_rel_date']
try:
blocks = []
data = scrap_announcements()
for category in data:
updates = []
for item in category['articles']:
if item['rel_date'] <= last_rel_date or item['url'] in state['urls']:
continue
updates.append(item)
if item['rel_date'] > last_rel_date:
last_rel_date = item['rel_date']
if updates:
buf = f"<b>Binance: {category['name']}</b>\n"
buf += '\n'.join(list(map(lambda a: f"<a href='{a['url']}'>{a['title']}</a>", updates)))
blocks.append(buf)
state['last_rel_date'] = last_rel_date
if blocks:
message = '\n\n'.join(blocks)
if print_to_stdout:
print(message)
else:
telegram_notify(text=message, parse_mode='HTML', disable_web_page_preview=True)
except:
if print_to_stdout:
traceback.print_exc()
else:
telegram_notify(text='error: ' + escape(traceback.format_exc()), parse_mode='HTML')
if __name__ == '__main__':
parser = ArgumentParser()
parser.add_argument('--stdout', action='store_true')
args = parser.parse_args()
main(args.stdout)
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