File size: 5,553 Bytes
0c95d20
 
 
 
 
 
 
1767f84
36321f6
0c95d20
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1767f84
0c95d20
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
import streamlit as st
import numpy as np
import os
import pickle
import spotipy
import spotipy.util as sp_util
import requests

dir_path = os.path.dirname(os.path.realpath(__file__))

# current mess: https://github.com/plamere/spotipy/issues/632
def centered_button(func, text, n_columns=7, args=None):
    columns = st.columns(np.ones(n_columns))
    with columns[n_columns//2]:
        return func(text)

# get credentials
def setup_credentials():
    if 'client_id' in os.environ.keys() and 'client_secret' in os.environ.keys():
        client_info = dict(client_id=os.environ['client_id'],
                           client_secret=os.environ['client_secret'])
    else:
        with open(dir_path + "/ids.pk", 'rb') as f:
            client_info = pickle.load(f)

    os.environ['SPOTIPY_CLIENT_ID'] = client_info['client_id']
    os.environ['SPOTIPY_CLIENT_SECRET'] = client_info['client_secret']
    os.environ['SPOTIPY_REDIRECT_URI'] = 'http://localhost:8080/'
    return client_info

relevant_audio_features = ["danceability", "energy", "loudness", "mode", "valence", "tempo"]


def get_client():
    scope = "playlist-modify-public"
    token = sp_util.prompt_for_user_token(scope=scope)
    sp = spotipy.Spotify(auth=token)
    user_id = sp.me()['id']
    return sp, user_id


def new_get_client(session):
    scope = "playlist-modify-public"
    print('Here3')

    cache_handler = StreamlitCacheHandler(session)
    auth_manager = spotipy.oauth2.SpotifyOAuth(scope=scope,
                                               cache_handler=cache_handler,
                                               show_dialog=True)
    print('Here4')
    sp, user_id = None, None

    if requests.get("code"):
        # Step 2. Being redirected from Spotify auth page
        auth_manager.get_access_token(requests.get("code"))
        print('Here7')
        sp = spotipy.Spotify(auth_manager=auth_manager)
        user_id = sp.me()['id']


    if not auth_manager.validate_token(cache_handler.get_cached_token()):
        print('Here6')
        # Step 1. Display sign in link when no token
        auth_url = auth_manager.get_authorize_url()
        st.markdown(f'[Click here to log in]({auth_url})', unsafe_allow_html=True)
    return sp, user_id



def extract_uris_from_links(links, url_type):
    assert url_type in ['playlist', 'artist', 'user']
    urls = links.split('\n')
    uris = []
    for url in urls:
        if 'playlist' in url:
            uri = url.split(f'{url_type}/')[-1].split('?')[0]
        else:
            uri = url.split('?')[0]
        uris.append(uri)
    return uris

def wall_of_checkboxes(labels, max_width=10):
    n_labels = len(labels)
    n_rows = int(np.ceil(n_labels/max_width))
    checkboxes = []
    for i in range(n_rows):
        columns = st.columns(np.ones(max_width))
        row_length = n_labels % max_width if i == n_rows - 1 else max_width
        for j in range(row_length):
            with columns[j]:
                checkboxes.append(st.empty())
    return checkboxes

def aggregate_genres(genres, legit_genres, verbose=False):
    genres_output = dict()
    legit_genres_formatted = [lg.replace('-', '').replace(' ', '') for lg in legit_genres]
    for glabel in genres.keys():
        if verbose: print('\n', glabel)
        glabel_formatted = glabel.replace(' ', '').replace('-', '')
        best_match = None
        best_match_score = 0
        for legit_glabel, legit_glabel_formatted in zip(legit_genres, legit_genres_formatted):
            if 'jazz' in glabel_formatted:
                best_match = 'jazz'
                if verbose: print('\t', 'pop')
                break
            if 'ukpop' in glabel_formatted:
                best_match = 'pop'
                if verbose: print('\t', 'pop')
                break
            if legit_glabel_formatted == glabel_formatted:
                if verbose: print('\t', legit_glabel_formatted)
                best_match = legit_glabel
                break
            elif glabel_formatted in legit_glabel_formatted:
                if verbose: print('\t', legit_glabel_formatted)
                if len(glabel_formatted) > best_match_score:
                    best_match = legit_glabel
                    best_match_score = len(glabel_formatted)
            elif legit_glabel_formatted in glabel_formatted:
                if verbose: print('\t', legit_glabel_formatted)
                if len(legit_glabel_formatted) > best_match_score:
                    best_match = legit_glabel
                    best_match_score = len(legit_glabel_formatted)

        if best_match is not None:
            if verbose: print('\t', '-->', best_match)
            if best_match in genres_output.keys():
                genres_output[best_match] += genres[glabel]
            else:
                genres_output[best_match] = genres[glabel]
    return genres_output



class StreamlitCacheHandler(spotipy.cache_handler.CacheHandler):
    """
    A cache handler that stores the token info in the session framework
    provided by streamlit.
    """

    def __init__(self, session):
        self.session = session

    def get_cached_token(self):
        token_info = None
        try:
            token_info = self.session["token_info"]
        except KeyError:
            print("Token not found in the session")

        return token_info

    def save_token_to_cache(self, token_info):
        try:
            self.session["token_info"] = token_info
        except Exception as e:
            print("Error saving token to cache: " + str(e))