main.py

import json
import requests
import argparse
import os
from time import sleep
from lastfmwrapper import lastfm
import sys
import urllib.request
from PIL import Image, ImageFilter
from stackblur import StackBlur
from http.server import HTTPServer, SimpleHTTPRequestHandler
import threading
import random, string

def runserver(path, port=8099):
    os.chdir(path)
    httpd = HTTPServer(('', port), SimpleHTTPRequestHandler)
    httpd.serve_forever()

daemon = threading.Thread(name='daemon_server',
                          target=runserver,
                          args=('.'))
daemon.setDaemon(True)
daemon.start()

track_name = "Y*7i7"
track_artist = "Y*7i7"
album_name = "Y*7i7"
background_img_name = ""

def generate_html(user):
    """Generates HTML as specified to be rendered"""

    global album_name
    global track_name
    global track_artist
    global background_img_name

    src = lastfm.get_recent_track(user)

    if(src['name'] != track_name or src['artist']['#text'] != track_artist):
        track_name = src['name']
        track_artist = src['artist']['#text']
        image_src = src['image'][3]['#text']
        image_src = src['image'][3]['#text']
        
        if(album_name != src['album']['#text']):
            """Updates album art if new album is detected"""
            urllib.request.urlretrieve(image_src, "__coverimg__.png")
            cover_img = Image.open("__coverimg__.png")
            background_img = cover_img.resize((1000, 1000), Image.ANTIALIAS)
            background_img = background_img.filter(StackBlur(20))
            try:
                os.remove(background_img_name)
            except:
                pass
            background_img_name = "__background_img{0}__.png".format(''.join(random.choice(string.ascii_lowercase + string.ascii_uppercase + string.digits) for i in range(4)))
            background_img.save(background_img_name)
        album_name = src['album']['#text']

        with open('template.html', 'r') as file:
            raw_html = file.read().format(image_src, track_name, track_artist, (os.getcwd() + "/__display__.html"), background_img_name)

        f = open("__display__.html", "w")
        f.write(raw_html)
        f.close()

        return "NEW TRACK: {0} by {1}".format(track_name, track_artist)
    
    track_name = src['name']
    track_artist = src['artist']['#text']
    image_src = src['image'][3]['#text']

    return "CONTINUED PLAYING OF: {0} by {1}".format(track_name, track_artist)


"""Argument Parsing"""
parser = argparse.ArgumentParser(description="""Display information for a user's last.fm profile in the terminal""")
parser.add_argument('--user', metavar='username', type=str, nargs='?',
                help='specified last.fm user to get information from')
parser.add_argument('--feh', metavar='username', type=bool, nargs='?',
                help='Whether the image will be displayed by feh or not', 
                default=False)
args = parser.parse_args()

while True:
    try:
        if('--feh' in sys.argv):
            print(generate_feh(args.user), flush=True)
        else:
            print(generate_html(args.user), flush=True)
        sleep(2)
    except ValueError:
        print("ERROR: Track fetch Error, retrying...")
    except KeyboardInterrupt:
         if(background_img_name): os.remove(background_img_name)
         os.remove("__coverimg__.png")
    except:
        print("ERROR: Unknown error occured, retrying...")