initial commit

No real output to terminal yet, but spotify api works. mostly.

playlist/spotify.py

@@ -0,0 +1,45 @@
+import requests
+import os
+from datetime import datetime, timedelta
+from dotenv import load_dotenv
+
+load_dotenv()
+
+class SpotifyFactory():
+    def __init__(self):
+        self.token = None
+        self.valid_until = None
+
+    def token_valid(self):
+        if self.token and self.valid_until and (datetime.now() < self.valid_until):
+            return True
+        return False
+
+    def get_token(self):
+        if self.token_valid():
+            print("Token still valid")
+            return self.token
+        print("New token")
+        url = 'https://accounts.spotify.com/api/token'
+        headers = {
+            'Content-Type': 'application/x-www-form-urlencoded',
+            'Authorization': 'Basic ' + os.getenv('SPOTIFY_ENCODED_ID')
+        }
+        data = {
+            'grant_type': 'client_credentials'
+        }
+        r = requests.post(url, headers=headers, data=data)
+        data = r.json()
+        self.token = data["access_token"]
+        self.valid_until = datetime.now() + timedelta(seconds=data["expires_in"]-300)
+        return self.token
+
+    def get_song_info(self, spotify_id):
+        token = self.get_token()
+        url = 'https://api.spotify.com/v1/tracks/' + spotify_id
+        headers = {
+            'Content-Type': 'application/json',
+            'Authorization': 'Bearer ' + token
+        }
+        r = requests.get(url, headers=headers)
+        return r.json()