# shows a user's playlists (need to be authenticated via oauth)
from __future__ import print_function
import sys
import os
import socket
import errno
import time
start_time = time.time()
PY3 = sys.version_info.major == 3
if PY3:
from http.server import HTTPServer, BaseHTTPRequestHandler
from urllib.parse import urlparse, parse_qsl
else:
from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
from urlparse import urlparse, parse_qsl
from . import oauth2
import spotipy
def prompt_for_user_token(username, scope=None, client_id = None,
client_secret = None, redirect_uri = None, cache_path = None):
''' prompts the user to login if necessary and returns
the user token suitable for use with the spotipy.Spotify
constructor
Parameters:
- username - the Spotify username
- scope - the desired scope of the request
- client_id - the client id of your app
- client_secret - the client secret of your app
- redirect_uri - the redirect URI of your app
- cache_path - path to location to save tokens
'''
if not client_id:
client_id = os.getenv('SPOTIPY_CLIENT_ID')
if not client_secret:
client_secret = os.getenv('SPOTIPY_CLIENT_SECRET')
if not redirect_uri:
redirect_uri = os.getenv('SPOTIPY_REDIRECT_URI')
if not client_id:
print('''
You need to set your Spotify API credentials. You can do this by
setting environment variables like so:
export SPOTIPY_CLIENT_ID='your-spotify-client-id'
export SPOTIPY_CLIENT_SECRET='your-spotify-client-secret'
export SPOTIPY_REDIRECT_URI='your-app-redirect-url'
Get your credentials at
https://developer.spotify.com/my-applications
''')
raise spotipy.SpotifyException(550, -1, 'no credentials set')
cache_path = cache_path or ".cache-" + username
sp_oauth = oauth2.SpotifyOAuth(client_id, client_secret, redirect_uri,
scope=scope, cache_path=cache_path)
# try to get a valid token for this user, from the cache,
# if not in the cache, the create a new (this will send
# the user to a web page where they can authorize this app)
token_info = sp_oauth.get_cached_token()
if not token_info:
print('''
User authentication requires interaction with your
web browser. Once you enter your credentials and
give authorization, you will be redirected to
a url. Paste that url you were directed to to
complete the authorization.
''')
auth_url = sp_oauth.get_authorize_url()
try:
import webbrowser
webbrowser.open(auth_url)
print("Opened %s in your browser" % auth_url)
except:
print("Please navigate here: %s" % auth_url)
print()
print()
try:
response = raw_input("Enter the URL you were redirected to: ")
except NameError:
response = input("Enter the URL you were redirected to: ")
print()
print()
code = sp_oauth.parse_response_code(response)
token_info = sp_oauth.get_access_token(code)
# Auth'ed API request
if token_info:
return token_info['access_token']
else:
return None
class RequestHandler(BaseHTTPRequestHandler):
def do_GET(self):
query_s = urlparse(self.path).query
form = dict(parse_qsl(query_s))
self.send_response(200)
self.send_header("Content-Type", "text/html")
self.end_headers()
if "code" in form:
self.server.auth_code = form["code"]
self.server.error = None
status = "successful"
elif "error" in form:
self.server.error = form["error"]
self.server.auth_code = None
status = "failed ({})".format(form["error"])
else:
self._write("Invalid request
")
return
self._write(
"Authentication status: {}
Now you can close this window.".format(status))
def _write(self, text):
return self.wfile.write(text.encode("utf-8"))
def log_message(self, format, *args):
return
def start_local_http_server(port, handler=RequestHandler):
while True:
try:
server = HTTPServer(("127.0.0.1", port), handler)
except socket.error as err:
if err.errno != errno.EADDRINUSE:
raise
else:
server.auth_code = None
return server
def obtain_token_localhost(username, scope=None, client_id=None,
client_secret=None, redirect_uri=None, cache_path=None):
''' prompts the user to login if necessary and returns
the user token suitable for use with the spotipy.Spotify
constructor
Parameters:
- username - the Spotify username
- scope - the desired scope of the request
- client_id - the client id of your app
- client_secret - the client secret of your app
- redirect_uri - the redirect URI of your app
- cache_path - path to location to save tokens
'''
cache_path = cache_path or ".cache-" + username
if not client_id:
client_id = os.getenv('SPOTIPY_CLIENT_ID')
if not client_secret:
client_secret = os.getenv('SPOTIPY_CLIENT_SECRET')
if not redirect_uri:
redirect_uri = os.getenv('SPOTIPY_REDIRECT_URI')
if not client_id:
print('''
You need to set your Spotify API credentials. You can do this by
setting environment variables like so:
export SPOTIPY_CLIENT_ID='your-spotify-client-id'
export SPOTIPY_CLIENT_SECRET='your-spotify-client-secret'
export SPOTIPY_REDIRECT_URI='your-app-redirect-url'
Get your credentials at
https://developer.spotify.com/my-applications
''')
raise spotipy.SpotifyException(550, -1, 'no credentials set')
sp_oauth = oauth2.SpotifyOAuth(client_id, client_secret, redirect_uri, scope=scope, cache_path=cache_path)
token_info = sp_oauth.get_cached_token()
if token_info:
return token_info['access_token']
print("Proceeding with user authorization")
auth_url = sp_oauth.get_authorize_url()
try:
import webbrowser
webbrowser.open(auth_url)
print("Opened %s in your browser" % auth_url)
except:
print("Please navigate here: %s" % auth_url)
url_info = urlparse(redirect_uri)
netloc = url_info.netloc
if ":" in netloc:
port = int(netloc.split(":", 1)[1])
else:
port = 80
server = start_local_http_server(port)
server.handle_request()
if server.auth_code:
token_info = sp_oauth.get_access_token(server.auth_code)
return token_info['access_token']
def authorize_api(username=None, scope=None, method=None, client_id=None,
client_secret=None, redirect_uri=None):
''' Gives the user a choice for how to authenticate and
returns the Spotipy object. Assumes that the client id
and secret are provided from the environment
Parameters:
- username - If provided, Spotipy will authorize for that user,
otherwise, Spotipy will authorize with the
"Client Credentials Flow"
- scope - The authorization scope required to perform API actions
- method - Choice for the user to select either 'server' or 'prompt';
where 'server' will authenticate via a locally hosted server,
and 'prompt' will authenticate via the old copy-paste redirect
URL to console method. The server method is default
- client_id - The client id of your app
- client_secret - The client secret of your app
- redirect_uri - The redirect URI of your app
'''
if not client_id:
client_id = os.getenv('SPOTIPY_CLIENT_ID')
if not client_secret:
client_secret = os.getenv('SPOTIPY_CLIENT_SECRET')
if not redirect_uri:
redirect_uri = os.getenv('SPOTIPY_REDIRECT_URI')
if not username:
ccm = oauth2.SpotifyClientCredentials(client_id, client_secret)
return spotipy.Spotify(client_credentials_manager=ccm)
print("[%.2fs] Authorizing %s with this auth scope: %s" % \
(time.time()-start_time, username, scope))
if method == "server" or method == None:
token = obtain_token_localhost(username, scope)
elif method == "prompt":
token = prompt_for_user_token(username, scope)
else:
print("[%.2fs] Unable to authorize %s - Invalid method %s" % \
(time.time()-start_time, username, method))
sys.exit()
if token:
# Authorize with the API
return spotipy.Spotify(auth=token)
else:
print("[%.2fs] Unable to authorize %s - Did they approve the oauth login?" % \
(time.time()-start_time, username))
sys.exit()