from flask import Flask, Response, jsonify
from base64 import b64encode
from dotenv import load_dotenv, find_dotenv
load_dotenv(find_dotenv())
import requests
import json
import os
import random
"""
Inspired from https://github.com/natemoo-re
"""
print("Starting Server")
SPOTIFY_CLIENT_ID = os.getenv("SPOTIFY_CLIENT_ID")
SPOTIFY_SECRET_ID = os.getenv("SPOTIFY_SECRET_ID")
SPOTIFY_REFRESH_TOKEN = os.getenv("SPOTIFY_REFRESH_TOKEN")
SPOTIFY_URL_REFRESH_TOKEN = "https://accounts.spotify.com/api/token"
SPOTIFY_URL_NOW_PLAYING = "https://api.spotify.com/v1/me/player/currently-playing"
LATEST_PLAY = None
app = Flask(__name__)
def get_authorization():
return b64encode(f"{SPOTIFY_CLIENT_ID}:{SPOTIFY_SECRET_ID}".encode()).decode("ascii")
def refresh_token():
data = {
"grant_type": "refresh_token",
"refresh_token": SPOTIFY_REFRESH_TOKEN,
}
headers = {"Authorization": "Basic {}".format(get_authorization())}
response = requests.post(SPOTIFY_URL_REFRESH_TOKEN, data=data, headers=headers)
repsonse_json = response.json()
return repsonse_json["access_token"]
def get_now_playing():
token = refresh_token()
headers = {"Authorization": f"Bearer {token}"}
response = requests.get(SPOTIFY_URL_NOW_PLAYING, headers=headers)
if response.status_code == 204:
return {}
repsonse_json = response.json()
return repsonse_json
def get_svg_template():
css_bar = ""
left = 1
for i in range(1, 76):
anim = random.randint(350, 500)
css_bar += ".bar:nth-child({}) {{{{ left: {}px; animation-duration: {}ms; }}}}".format(
i, left, anim
)
left += 4
svg = (
"""
"""
)
return svg
def load_image_b64(url):
resposne = requests.get(url)
return b64encode(resposne.content).decode("ascii")
def make_svg(data):
global LATEST_PLAY
template = get_svg_template()
text = "Now playing"
content_bar = "".join(["" for i in range(75)])
if data == {} and LATEST_PLAY is not None:
data = LATEST_PLAY
text = "Latest play"
content_bar = ""
elif data == {}:
content = """
Nothing playing on Spotify
"""
return template.format(content)
content = """
{} on
{}
{}
{}
"""
item = data["item"]
"""
print(json.dumps(item))
print(item["artists"][0]["name"])
print(item["external_urls"]["spotify"])
print(item["album"]["images"][0]["url"])
"""
img = load_image_b64(item["album"]["images"][1]["url"])
artist_name = item["artists"][0]["name"].replace("&", "&")
song_name = item["name"].replace("&", "&")
content_rendered = content.format(
text,
artist_name,
song_name,
content_bar,
item["external_urls"]["spotify"],
img,
)
return template.format(content_rendered)
@app.route("/", defaults={"path": ""})
@app.route("/")
def catch_all(path):
global LATEST_PLAY
# TODO: caching
data = get_now_playing()
svg = make_svg(data)
# cache lastest data
if data != {}:
LATEST_PLAY = data
resp = Response(svg, mimetype="image/svg+xml")
resp.headers["Cache-Control"] = "s-maxage=1"
return resp
if __name__ == "__main__":
app.run(debug=True)