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Upload app_utils.py
Browse files- app_utils.py +155 -0
app_utils.py
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import streamlit as st
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import numpy as np
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import os
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import pickle
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import spotipy
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import spotipy.util as sp_util
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dir_path = os.path.dirname(os.path.realpath(__file__))
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# current mess: https://github.com/plamere/spotipy/issues/632
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def centered_button(func, text, n_columns=7, args=None):
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columns = st.columns(np.ones(n_columns))
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with columns[n_columns//2]:
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return func(text)
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# get credentials
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def setup_credentials():
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if 'client_id' in os.environ.keys() and 'client_secret' in os.environ.keys():
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client_info = dict(client_id=os.environ['client_id'],
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client_secret=os.environ['client_secret'])
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else:
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with open(dir_path + "/ids.pk", 'rb') as f:
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client_info = pickle.load(f)
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os.environ['SPOTIPY_CLIENT_ID'] = client_info['client_id']
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os.environ['SPOTIPY_CLIENT_SECRET'] = client_info['client_secret']
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os.environ['SPOTIPY_REDIRECT_URI'] = 'http://localhost:8080/'
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return client_info
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relevant_audio_features = ["danceability", "energy", "loudness", "mode", "valence", "tempo"]
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def get_client():
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scope = "playlist-modify-public"
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token = sp_util.prompt_for_user_token(scope=scope)
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sp = spotipy.Spotify(auth=token)
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user_id = sp.me()['id']
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return sp, user_id
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def new_get_client(session):
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scope = "playlist-modify-public"
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print('Here3')
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cache_handler = StreamlitCacheHandler(session)
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auth_manager = spotipy.oauth2.SpotifyOAuth(scope=scope,
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cache_handler=cache_handler,
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show_dialog=True)
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print('Here4')
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if not auth_manager.validate_token(cache_handler.get_cached_token()):
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# Step 1. Display sign in link when no token
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auth_url = auth_manager.get_authorize_url()
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# st.markdown(f'[Click here to log in]({auth_url})', unsafe_allow_html=True)
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login = centered_button(st.button, 'Log in', n_columns=5)
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print('Here6')
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if login:
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print('Here7')
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sp = spotipy.Spotify(auth_manager=auth_manager)
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user_id = sp.me()['id']
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else:
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sp, user_id = None, None
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return sp, user_id
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def extract_uris_from_links(links, url_type):
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assert url_type in ['playlist', 'artist', 'user']
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urls = links.split('\n')
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uris = []
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for url in urls:
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if 'playlist' in url:
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uri = url.split(f'{url_type}/')[-1].split('?')[0]
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else:
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uri = url.split('?')[0]
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uris.append(uri)
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return uris
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def wall_of_checkboxes(labels, max_width=10):
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n_labels = len(labels)
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n_rows = int(np.ceil(n_labels/max_width))
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checkboxes = []
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for i in range(n_rows):
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columns = st.columns(np.ones(max_width))
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row_length = n_labels % max_width if i == n_rows - 1 else max_width
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for j in range(row_length):
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with columns[j]:
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checkboxes.append(st.empty())
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return checkboxes
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def aggregate_genres(genres, legit_genres, verbose=False):
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genres_output = dict()
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legit_genres_formatted = [lg.replace('-', '').replace(' ', '') for lg in legit_genres]
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for glabel in genres.keys():
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if verbose: print('\n', glabel)
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glabel_formatted = glabel.replace(' ', '').replace('-', '')
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best_match = None
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best_match_score = 0
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for legit_glabel, legit_glabel_formatted in zip(legit_genres, legit_genres_formatted):
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if 'jazz' in glabel_formatted:
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best_match = 'jazz'
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if verbose: print('\t', 'pop')
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break
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if 'ukpop' in glabel_formatted:
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best_match = 'pop'
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if verbose: print('\t', 'pop')
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break
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if legit_glabel_formatted == glabel_formatted:
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if verbose: print('\t', legit_glabel_formatted)
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best_match = legit_glabel
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break
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elif glabel_formatted in legit_glabel_formatted:
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if verbose: print('\t', legit_glabel_formatted)
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if len(glabel_formatted) > best_match_score:
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best_match = legit_glabel
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best_match_score = len(glabel_formatted)
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elif legit_glabel_formatted in glabel_formatted:
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if verbose: print('\t', legit_glabel_formatted)
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if len(legit_glabel_formatted) > best_match_score:
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best_match = legit_glabel
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best_match_score = len(legit_glabel_formatted)
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if best_match is not None:
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if verbose: print('\t', '-->', best_match)
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if best_match in genres_output.keys():
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genres_output[best_match] += genres[glabel]
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else:
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genres_output[best_match] = genres[glabel]
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return genres_output
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class StreamlitCacheHandler(spotipy.cache_handler.CacheHandler):
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"""
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A cache handler that stores the token info in the session framework
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provided by streamlit.
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"""
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def __init__(self, session):
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self.session = session
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def get_cached_token(self):
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token_info = None
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try:
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token_info = self.session["token_info"]
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except KeyError:
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print("Token not found in the session")
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return token_info
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def save_token_to_cache(self, token_info):
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try:
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self.session["token_info"] = token_info
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except Exception as e:
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print("Error saving token to cache: " + str(e))
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