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televex
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syncing the televex pi with the git

master
televex 3 years ago
parent
8ff4b914cf
commit
d4037120c7
2 changed files with 73 additions and 18 deletions
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  1. 57
      print/start.py
  2. 34
      print/templates/printed.html

57
print/start.py
View File

@ -9,7 +9,7 @@ from flask import request
import flask_apscheduler import flask_apscheduler
import urllib import urllib
import json import json
from datetime import datetime from datetime import date, datetime
from escpos.escpos import Escpos from escpos.escpos import Escpos
from escpos import printer from escpos import printer
@ -19,6 +19,7 @@ APP = flask.Flask(__name__)
# Connect to the printer # Connect to the printer
# Get the printer's USB initializing code with $ sudo lsbusb # Get the printer's USB initializing code with $ sudo lsbusb
lp = printer.Usb(0x4b8,0xe15) lp = printer.Usb(0x4b8,0xe15)
buffer = printer.Dummy()
# Define the JSON databased for storing printed items # Define the JSON databased for storing printed items
db = 'printed.json' db = 'printed.json'
@ -35,8 +36,14 @@ scheduler.init_app(APP)
scheduler.start() scheduler.start()
def update_db(item): def update_db(item):
items = json.loads(open(db).read())
if not item in items['printed']: try:
items = json.loads(open(db).read())
except:
# Hmm ...
items = { "printed" : [] }
if item not in items['printed']:
new_item = True new_item = True
with open(db, 'w') as out: with open(db, 'w') as out:
items['printed'].append(item) items['printed'].append(item)
@ -44,51 +51,62 @@ def update_db(item):
out.close() out.close()
else: else:
new_item = False new_item = False
return new_item return new_item
def html2plain(html): def html2plain(html):
plain = re.sub('<[^<]+?>', '', text) plaintext = re.sub('<[^<]+?>', '', html)
return plain return plaintext
@scheduler.task('interval', id='check', minutes=10) @scheduler.task('interval', id='check', minutes=10)
def check(): def check():
url = 'https://multi.vvvvvvaria.org/API/latest/10'
response = urllib.request.urlopen(url).read() try:
feed = json.loads(response) url = 'https://multi.vvvvvvaria.org/API/latest/10'
response = urllib.request.urlopen(url).read()
feed = json.loads(response)
except:
feed = []
for post in feed: for post in feed:
# add post to database
year = post['published_parsed'][0] year = post['published_parsed'][0]
month = post['published_parsed'][1] month = post['published_parsed'][1]
day = post['published_parsed'][2] day = post['published_parsed'][2]
post_date = date(year, month, day) post_date = date(year, month, day)
post_date_str = post_date.strftime('%Y-%m-%d')
plaintext = html2plain(post.summary) plaintext = html2plain(post['summary'])
item = { item = {
'source' : post.feed_details.rss, 'source' : post['feed_details']['rss'],
'date' : post_date, 'date' : post_date_str,
'printed' : plaintext 'printed' : plaintext
} }
new_item = update_db(item) new_item = update_db(item)
# add RSS post to printing buffer
if new_item == True: if new_item == True:
# print RSS post
buffer.text(plaintext) buffer.text(plaintext)
buffer.cut() buffer.cut()
lp._raw(buffer.output) break
# print
lp._raw(buffer.output)
@APP.route('/print/', methods=['GET', 'POST']) @APP.route('/print/', methods=['GET', 'POST'])
def print(): def print():
buffer = printer.Dummy()
plaintext = request.args.get('printing', '') plaintext = request.args.get('printing', '')
if plaintext: if plaintext:
# add plaintext to printing buffer
buffer.text(plaintext) buffer.text(plaintext)
buffer.cut() buffer.cut()
lp._raw(buffer.output) # add plaintext to database
date = datetime.now() date = datetime.now()
date_str = date.strftime('%Y-%m-%d_%H-%M-%S') date_str = date.strftime('%Y-%m-%d_%H-%M-%S')
item = { item = {
@ -98,7 +116,10 @@ def print():
} }
update_db(item) update_db(item)
return flask.render_template('index.html', plaintext=plaintext) # print
lp._raw(buffer.output)
return flask.render_template('index.html')
@APP.route('/printed/', methods=['GET', 'POST']) @APP.route('/printed/', methods=['GET', 'POST'])
def printed(): def printed():

34
print/templates/printed.html
View File

@ -0,0 +1,34 @@
<!DOCTYPE html>
<html lang='en'>
<head>
<meta charset="utf-8" />
<title>TeleVex (print)</title>
<link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='stylesheet.css')}}">
</head>
<body>
<div id="main">
<h1><a href="/print/">print</a>, printed</h1>
<div id="multifeeder">
<h2>TeleVex recently printed:</h2>
<div>(last 25)</div>
<br>
{% set count = 25 %}
{% for x in range(1, 25) %}
{% set item = items["printed"][-x] %}
{% if item %}
<div class="msg">
<strong>Source</strong>: {{ item.source }}<br>
<strong>Date</strong>: {{ item.date }}<br>
<strong>Printed</strong>: {{ item.printed }}<br>
<br>
</div>
{% endif %}
{% set count = count - 1 %}
{% endfor %}
</div>
</div>
</body>
</html>
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