televex/print/start.py

# https://github.com/python-escpos/python-escpos
# https://python-escpos.readthedocs.io/en/latest/

import flask
from flask import request
import flask_apscheduler
import urllib, json
from escpos import printer
from tools.televex import televex

# Create the application.
APP = flask.Flask(__name__)

# Connect to the printer
lp, lp_printer = televex.connect()

# Set up a JSON database for storing printed items
db = televex.database('printed.json')

# Check the Multifeeder regulary (every 10 min)
# https://github.com/viniciuschiele/flask-apscheduler
# Thanks Crunk for pointing to this extention!
scheduler = flask_apscheduler.APScheduler()
scheduler.api_enabled = False
scheduler.init_app(APP)
scheduler.start()

@scheduler.task('interval', id='check', minutes=1)
def check():
	try:
		url = 'https://multi.vvvvvvaria.org/API/latest/10'
		response = urllib.request.urlopen(url).read()
		feed = json.loads(response)
	except:
		feed = []

	for post in feed:
		source = post['feed_details']['rss']
		txt = post['summary']
		televex.print_now(txt, source, db, post=post, lp=lp, lp_printer=lp_printer)
	
@APP.route('/print/', methods=['GET', 'POST'])
def print():
	txt = request.args.get('printing', '')

	if txt:
		source = 'TeleVex'
		televex.print_now(txt, source, db, lp=lp, lp_printer=lp_printer)

		return flask.redirect(flask.url_for('print'))
	
	return flask.render_template('index.html')

@APP.route('/printed/', methods=['GET'])
def printed():
	items = json.loads(open(db).read())
	return flask.render_template('printed.html', items=items)

if __name__ == '__main__':
	APP.debug=True
	APP.run(port=5000)