initial commit with token refresh

.gitignore

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+env
+__pycache__

main.py

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+import spotframework.net.auth as auth
+
+if __name__ == '__main__':
+    print('hello world')
+    auth.refreshToken()
+

spotframework/net/auth.py

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+import os
+import requests
+from base64 import b64encode
+
+client_id = os.environ['SPOTCLIENT']
+client_secret = os.environ['SPOTSECRET']
+user_access_token = os.environ['SPOTACCESS']
+user_refresh_token = os.environ['SPOTREFRESH']
+
+#This sets up the https connection
+#we need to base 64 encode it
+#and then decode it to acsii as python 3 stores it as a byte string
+def refreshToken():
+
+    idsecret = b64encode(bytes(client_id + ':' + client_secret, "utf-8")).decode("ascii")
+    headers = { 'Authorization' : 'Basic %s' %  idsecret }
+
+    data = {"grant_type": "refresh_token", "refresh_token": user_refresh_token}
+    
+    req = requests.post('https://accounts.spotify.com/api/token', data = data, headers = headers )
+
+    if req.status_code == 200:
+        user_access_token = req.json()['access_token']