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from django.conf import settings
import urllib2
from urllib import urlencode
from urlparse import parse_qs
import itertools
class PaypalAPI(object):
def __init__(self):
self.accessparam = {
'USER': settings.PAYPAL_API_USER,
'PWD': settings.PAYPAL_API_PASSWORD,
'SIGNATURE': settings.PAYPAL_API_SIGNATURE,
'VERSION': 95,
}
if settings.PAYPAL_SANDBOX:
self.API_ENDPOINT = 'https://api-3t.sandbox.paypal.com/nvp'
else:
self.API_ENDPOINT = 'https://api-3t.paypal.com/nvp'
def _api_call(self, command, params):
params.update(self.accessparam)
params['METHOD'] = command
resp = urllib2.urlopen(self.API_ENDPOINT, urlencode(params)).read()
q = parse_qs(resp)
if q['ACK'][0] != 'Success':
raise Exception("API error from paypal: {0}/{1}".format(q['L_SHORTMESSAGE0'][0], q['L_LONGMESSAGE0'][0]))
return q
def _dateformat(self, d):
return d.strftime("%Y-%m-%dT%H:%M:%S")
def get_transaction_list(self, firstdate):
r = self._api_call('TransactionSearch', {
'STARTDATE': self._dateformat(firstdate),
'STATUS': 'Success',
})
for i in itertools.count(1):
if not r.has_key('L_TRANSACTIONID{0}'.format(i)):
break
yield dict([(k,r.get('L_{0}{1}'.format(k, i),[''])[0])
for k in
('TRANSACTIONID', 'TIMESTAMP', 'EMAIL', 'TYPE', 'AMT', 'FEEAMT', 'NAME')])
def get_transaction_details(self, transactionid):
return self._api_call('GetTransactionDetails', {
'TRANSACTIONID': transactionid,
})
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