Graphs and tables for your Spotify account.
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import string import random import requests import secrets
from .models import User from .forms import HistoryUploadForm
def get_user_context(user_obj): """Get context for rendering with User's ID and secret.
:user_obj: User object to make context for. :returns: context to pass back to HTML file.
"""
return { 'user_id': user_obj.id, 'user_secret': user_obj.secret, }
# generate_random_string {{{ #
def generate_random_string(length): """Generates a random string of a certain length
Args: length: the desired length of the randomized string Returns: A random string """
all_chars = string.ascii_letters + string.digits rand_str = "".join(random.choice(all_chars) for _ in range(length)) return rand_str
# }}} generate_random_string #
# create_user {{{ #
def create_user(refresh_token, access_token, access_expires_in): """Create a User object based on information returned from Step 2 (callback
function) of auth flow.
:refresh_token: Used to renew access tokens. :access_token: Used in Spotify API calls. :access_expires_in: How long the access token last in seconds.
:returns: The newly created User object.
"""
profile_response = requests.get('https://api.spotify.com/v1/me', headers={'Authorization': "Bearer " + access_token}).json() user_id = profile_response['id']
try: user_obj = User.objects.get(id=user_id) except User.DoesNotExist: # Python docs recommends 32 bytes of randomness against brute # force attacks user_obj = User.objects.create( id=user_id, secret=secrets.token_urlsafe(32), refresh_token=refresh_token, access_token=access_token, access_expires_in=access_expires_in, )
return user_obj
# }}} create_user #
def get_scan_context(request): """Get context for rendering scan page.
:request: :returns: Context with upload form and user info.
"""
context = { 'user_id': request.session['user_id'], 'user_secret': request.session['user_secret'], } # set hidden user field to current user context['form'] = HistoryUploadForm(initial= { 'user': User.objects.get(id=request.session['user_id']) }) return context
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