subscriptions.py
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subscriptions.py
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	"""Cloud subscription info.

	Connects to the external subscription server to obtain user info.
	"""

	import logging

	from flask import current_app
	import requests
	from requests.adapters import HTTPAdapter

	log = logging.getLogger(__name__)


	def fetch_user(email):
	"""Returns the user info dict from the external subscriptions management server.

	:returns: the store user info, or None if the user can't be found or there
	was an error communicating. A dict like this is returned:
	{
	"shop_id": 700,
	"cloud_access": 1,
	"paid_balance": 314.75,
	"balance_currency": "EUR",
	"start_date": "2014-08-25 17:05:46",
	"expiration_date": "2016-08-24 13:38:45",
	"subscription_status": "wc-active",
	"expiration_date_approximate": true
	}
	:rtype: dict
	"""

	external_subscriptions_server = current_app.config['EXTERNAL_SUBSCRIPTIONS_MANAGEMENT_SERVER']

	log.debug('Connecting to store at %s?blenderid=%s', external_subscriptions_server, email)

	# Retry a few times when contacting the store.
	s = requests.Session()
	s.mount(external_subscriptions_server, HTTPAdapter(max_retries=5))
	r = s.get(external_subscriptions_server, params={'blenderid': email},
	verify=current_app.config['TLS_CERT_FILE'])

	if r.status_code != 200:
	log.warning("Error communicating with %s, code=%i, unable to check "
	"subscription status of user %s",
	external_subscriptions_server, r.status_code, email)
	return None

	store_user = r.json()
	return store_user