initial commit
This commit is contained in:
Massimo Di Pierro
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"""
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DowCommerce class to process credit card payments with DowCommerce.com
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Modifications to support Dow Commerce API from code originally written by John Conde
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http://www.johnconde.net/blog/integrate-the-authorizenet-aim-api-with-python-3-2/
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Unkown license, assuming public domain
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Modifed by Dave Stoll dave.stoll@gmail.com
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- modifed to support Dow Commerce API
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"""
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__all__ = ['DowCommerce']
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from operator import itemgetter
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import urllib
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class DowCommerce:
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class DowCommerceError(Exception):
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def __init__(self, value):
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self.parameter = value
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def __str__(self):
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return str(self.parameter)
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def __init__(self, username=None, password=None, demomode=False):
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if not demomode:
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if str(username).strip() == '' or username == None:
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raise DowCommerce.DowCommerceError('No username provided')
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if str(password).strip() == '' or password == None:
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raise DowCommerce.DowCommerceError('No password provided')
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else:
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username = 'demo'
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password = 'password'
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self.proxy = None;
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self.delimiter = '&'
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self.results = {}
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self.error = True
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self.success = False
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self.declined = False
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self.url = 'https://secure.dowcommerce.net/api/transact.php'
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self.parameters = {}
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self.setParameter('username', username)
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self.setParameter('password', password)
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def process(self):
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encoded_args = urllib.urlencode(self.parameters)
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if self.proxy == None:
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results = str(urllib.urlopen(self.url, encoded_args).read()).split(self.delimiter)
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else:
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opener = urllib.FancyURLopener(self.proxy)
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opened = opener.open(self.url, encoded_args)
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try:
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results += str(opened.read()).split(self.delimiter)
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finally:
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opened.close()
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for result in results:
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(key,val) = result.split('=')
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self.results[key] = val
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if self.results['response'] == '1':
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self.error = False
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self.success = True
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self.declined = False
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elif self.results['response'] == '2':
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self.error = False
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self.success = False
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self.declined = True
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elif self.results['response'] == '3':
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self.error = True
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self.success = False
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self.declined = False
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else:
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self.error = True
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self.success = False
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self.declined = False
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raise DowCommerce.DowCommerceError(self.results)
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def setTransaction(self, creditcard, expiration, total, cvv=None, orderid=None, orderdescription=None,
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ipaddress=None, tax=None, shipping=None,
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firstname=None, lastname=None, company=None, address1=None, address2=None, city=None, state=None, zipcode=None,
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country=None, phone=None, fax=None, emailaddress=None, website=None,
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shipping_firstname=None, shipping_lastname=None, shipping_company=None, shipping_address1=None, shipping_address2=None,
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shipping_city=None, shipping_state=None, shipping_zipcode = None, shipping_country=None, shipping_emailaddress=None):
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if str(creditcard).strip() == '' or creditcard == None:
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raise DowCommerce.DowCommerceError('No credit card number passed to setTransaction(): {0}'.format(creditcard))
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if str(expiration).strip() == '' or expiration == None:
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raise DowCommerce.DowCommerceError('No expiration number passed to setTransaction(): {0}'.format(expiration))
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if str(total).strip() == '' or total == None:
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raise DowCommerce.DowCommerceError('No total amount passed to setTransaction(): {0}'.format(total))
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self.setParameter('ccnumber', creditcard)
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self.setParameter('ccexp', expiration)
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self.setParameter('amount', total)
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if cvv:
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self.setParameter('cvv', cvv)
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if orderid:
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self.setParameter('orderid', orderid)
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if orderdescription:
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self.setParameter('orderdescription', orderdescription)
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if ipaddress:
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self.setParameter('ipaddress', ipaddress)
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if tax:
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self.setParameter('tax', tax)
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if shipping:
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self.setParameter('shipping', shipping)
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## billing info
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if firstname:
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self.setParameter('firstname', firstname)
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if lastname:
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self.setParameter('lastname', lastname)
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if company:
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self.setParameter('company', company)
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if address1:
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self.setParameter('address1', address1)
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if address2:
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self.setParameter('address2', address2)
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if city:
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self.setParameter('city', city)
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if state:
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self.setParameter('state', state)
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if zipcode:
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self.setParameter('zip', zipcode)
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if country:
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self.setParameter('country', country)
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if phone:
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self.setParameter('phone', phone)
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if fax:
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self.setParameter('fax', fax)
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if emailaddress:
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self.setParameter('email', emailaddress)
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if website:
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self.setParameter('website', website)
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## shipping info
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if shipping_firstname:
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self.setParameter('shipping_firstname', shipping_firstname)
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if shipping_lastname:
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self.setParameter('shipping_lastname', shipping_lastname)
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if shipping_company:
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self.setParameter('shipping_company', shipping_company)
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if shipping_address1:
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self.setParameter('shipping_address1', shipping_address1)
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if shipping_address2:
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self.setParameter('shipping_address2', shipping_address2)
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if shipping_city:
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self.setParameter('shipping_city', shipping_city)
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if shipping_state:
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self.setParameter('shipping_state', shipping_state)
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if shipping_zipcode:
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self.setParameter('shipping_zip', shipping_zipcode)
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if shipping_country:
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self.setParameter('shipping_country', shipping_country)
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def setTransactionType(self, transtype=None):
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types = ['sale', 'auth', 'credit']
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if transtype.lower() not in types:
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raise DowCommerce.DowCommerceError('Incorrect Transaction Type passed to setTransactionType(): {0}'.format(transtype))
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self.setParameter('type', transtype.lower())
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def setProxy(self, proxy=None):
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if str(proxy).strip() == '' or proxy == None:
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raise DowCommerce.DowCommerceError('No proxy passed to setProxy()')
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self.proxy = {'http': str(proxy).strip()}
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def setParameter(self, key=None, value=None):
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if key != None and value != None and str(key).strip() != '' and str(value).strip() != '':
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self.parameters[key] = str(value).strip()
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else:
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raise DowCommerce.DowCommerceError('Incorrect parameters passed to setParameter(): {0}:{1}'.format(key, value))
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def isApproved(self):
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return self.success
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def isDeclined(self):
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return self.declined
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def isError(self):
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return self.error
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def getResultResponseShort(self):
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responses = ['', 'Approved', 'Declined', 'Error']
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return responses[int(self.results['response'])]
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def getFullResponse(self):
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return self.results
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def getResponseText(self):
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return self.results['responsetext']
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def test():
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import socket
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import sys
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from time import time
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## TEST VALUES FROM API DOC:
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# Visa: 4111111111111111
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# MasterCard 5431111111111111
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# DiscoverCard: 6011601160116611
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# American Express: 341111111111111
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# Expiration: 10/10
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# Amount: > 1.00 (( passing less than $1.00 will cause it to be declined ))
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# CVV: 999
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creditcard = '4111111111111111'
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expiration = '1010'
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total = '1.00'
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cvv = '999'
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tax = '0.00'
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orderid = str(time())[4:10] # get a random invoice number
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try:
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payment = DowCommerce(demomode=True)
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payment.setTransaction(creditcard, expiration, total, cvv=cvv, tax=tax, orderid=orderid, orderdescription='Test Transaction',
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firstname='John', lastname='Doe', company='Acme', address1='123 Min Street', city='Hometown', state='VA',
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zipcode='12345', country='US', phone='888-555-1212', emailaddress='john@noemail.local', ipaddress='192.168.1.1')
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payment.process()
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if payment.isApproved():
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print 'Payment approved!'
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print payment.getFullResponse()
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elif payment.isDeclined():
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print 'Your credit card was declined by your bank'
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elif payment.isError():
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raise DowCommerce.DowCommerceError('An uncaught error occurred')
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except DowCommerce.DowCommerceError, e:
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print "Exception thrown:", e
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print 'An error occured'
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print 'approved',payment.isApproved()
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print 'declined',payment.isDeclined()
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print 'error',payment.isError()
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if __name__=='__main__':
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test()
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