demo_text_on_matrix.py

#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright (c) 2017-18 Richard Hull and contributors
# See LICENSE.rst for details.

import os
import time
import argparse
from datetime import date
import json
import requests

from luma.led_matrix.device import max7219
from luma.core.interface.serial import spi, noop
from luma.core.render import canvas
from luma.core.legacy import text
from luma.core.legacy import text, show_message
from luma.core.legacy.font import proportional, CP437_FONT, TINY_FONT, SINCLAIR_FONT, LCD_FONT

from qlient.http import HTTPClient, GraphQLResponse

def startFeed():
    # create matrix device
    serial = spi(port=0, device=0, gpio=noop())
    device = max7219(serial, width=32, height=8, rotate=0, block_orientation=-90)
    print("Created device")
    print("Showing rectangle")
    
    with canvas(device) as draw:
            draw.rectangle(device.bounding_box, outline="white")
    
    try:
        while(True):
            print("Parsing ethermine-api")
            #url = "https://api.ethermine.org/miner/a4aBfc14202339cd55BFB94BD23cf07301443C24/currentStats"
            #r = requests.get(url)
            #print(r.json()["data"])
            #usdPerMin = float(r.json()["data"]["usdPerMin"])
            #print("usdPerMin: ",usdPerMin)
            
            #print("Parsing ethermine-api - DONE")
            #print("Parsing CurrencyConverter-api")
            #sekPerMin = float(c.convert(usdPerMin, 'USD', 'SEK'))
            #print("Parsing CurrencyConverter-api - DONE")
            #sekPerDay = round(sekPerMin*60*24,2)
            #print("sekPerDay: ", sekPerDay)
            

            client = HTTPClient("https://swapi-graphql.netlify.app/.netlify/functions/index")

            res: GraphQLResponse = client.query.film(
                # swapi graphql input fields
                id="ZmlsbXM6MQ==",

                # qlient specific
                _fields=["id", "title", "episodeID"]
            )

            print(res.request.query)  # query film($id: ID) { film(id: $id) { id title episodeID } }
            print(res.request.variables)  # {'id': 'ZmlsbXM6MQ=='}


            printMessage = res.data.film.id
            with canvas(device) as draw:
                #draw.rectangle(device.bounding_box, outline="white")
                text(draw, (0, 1), printMessage, fill="white", font=proportional(CP437_FONT))
                #text(draw, (0, 1), "73.93", fill="white", font=proportional(LCD_FONT))
            print("Sleep for 120 sec")
            time.sleep(120)
            print("Parse again!")
    except KeyboardInterrupt:
        print("Exiting program!")
        pass
    except:
        print("Failed to parse, trying again.")
        startFeed()
        pass

    
    #while(True):
        #d = datetime()
        #show_message(device, "193 mh/s", fill="white", font=proportional(LCD_FONT),scroll_delay=0.05)
        #show_message(device, "76.5 sek", fill="white", font=proportional(LCD_FONT),scroll_delay=0.05)
        #show_message(device, "1 Eth = 954 $", fill="white", font=proportional(LCD_FONT),scroll_delay=0.05)

if __name__ == "__main__":
    try:
        print("-> Starting program <-")
        startFeed()
    except:
        print("ERROR!")
        pass