我试图process在我的设置中调用一个函数，但它给了我这个错误：
Could not import the name: payusaepay.views.process
以下是我的看法：
# coding: utf-8
from decimal import Decimal, ROUND_UP, ROUND_DOWN
import re, time, math, random, hashlib
import urlparse, urllib, httplib, urllib2, pycurl
from django.conf import settings
from utils import logger
def trunc(f, n):
'''Truncates/pads a float f to n decimal places without rounding'''
return ('%.*f' % (n + 1, f))[:-1]
class Transaction(object):
"""USAePay Transaction Class"""
VALID_COMMANDS = set('sale credit void preauth postauth check checkcredit'.split())
VALID_REQUEST_KEYS = [
'UMamount',
'UMauthCode', # required if running postauth transaction.
'UMcard', # the entire amount that will be charged to the customers card
'UMexpir', # expiration date 4 digits no /
'UMbillamount',
'UMamount', # the entire amount that will be charged to the customers card
'UMinvoice', # invoice number. must be unique. limited to 10 digits. use orderid if you need longer.
'UMorderid', # invoice number. must be unique. limited to 10 digits. use orderid if you need longer.
'UMponum', # Purchase Order Number
'UMtax', # Tax
'UMnontaxable', # Order is non taxable. True -> 'Y', False -> do not specify this key
'UMtip', # Tip
'UMshipping', # Shipping charge
'UMdiscount', # Discount amount (ie gift certificate or coupon code)
'UMsubtotal', # if subtotal is set, then
'UMcurrency', # Currency of $amount
'UMname', # name of card holder
'UMstreet', # street address
'UMzip', # zip code
'UMdescription', # description of charge
'UMcomments', # Addit
'UMcvv2', # cvv2 result
'UMclerk',
'UMbillzip',
'UMshipstreet',
'UMxid',
'UMip', # Tip
'UMcheckimageback', # Check back, you need to encode it with base64
'UMtestmode', # test transaction but don't process
'UMcheckimagefront', # Check front, you need to encode it with base64
'UMrecurring', # (obsolete, see the addcustomer)
'UMdukpt', # DUK/PT for PIN Debit
'UMbillsourcekey', # True -> 'yes', False -> not specify this field
'UMshipzip',
'UMbillcity',
'UMbillstate',
'UMcardauth',
'UMshipstate',
'UMwebsite',
'UMallowPartialAuth', #set to 'Yes' if a partial authorization (less than the full $amount) will be accepted
'UMbillphone',
'UMepcCode',
'UMdlstate', # drivers license issuing state
'UMterminal', # The type of terminal being used: Optons are POS - cash register, StandAlone - self service terminal, Unattended - ie gas pump, Unkown (Default: Unknown)
'UMschedule', #
'UMbillstreet2',
'UMbillcompany',
'UMignoreDuplicate', # prevent the system from detecti
'UMrestaurant_table', #
'UMshipfname',
'UMmicr',
'UMaccounttype', # Checking or Savings
'UMsoftware', # Allows developers to ident
'UMaccount', # bank account numbertimuryan
'UMbillstreet',
'UMstart', # When to start the
'UMrefNum', # refer
'UMchecknum', # Check Number
'UMcustemail', # customers email add
'UMmagsupport', # Support for mag stripe reader: yes, no, contactless, unknown (default is unknown unless magstripe has been sent)
'UMauxonus',
'UMcontactless', # Support for mag stripe reader: yes, no, contactless, unknown (default is unknown unless magstripe has been sent)
'UMshiplname',
'UMsession',
'UMeci', # manually specify loc
'UMbilllname',
'UMaddcustomer', # (obsolete, see the addcustomer)
'UMsignature', # Signature Capture data
'UMnumleft', # The number of times to
'UMrouting', # bank routing number
'UMisRecurring', # True -> 'Y', False -> do not specify this key
'UMbillamount',
'UMshipcountry',
'UMbillcountry',
'UMbillfname',
'UMcustid', # Alpha-numeric id that uniquely identifies the customer.
'UMdigitalGoods', #digital goods indicator (ecommerce)
'UMtermtype', # The type of terminal being used: Optons are POS - cash register, StandAlone - self service terminal, Unattended - ie gas pump, Unkown (Default: Unknown)
'UMmagstripe', # mag stripe data. can be either Track 1, Track2 or Both (Required if card,exp,name,street and zip aren't filled in)
'UMcardpresent', # Must be set to '1' if processing a card present transaction (Default is false)
'UMshipstreet2',
'UMbilltax',
'UMshipcompany',
'UMcheckformat', # Override default check record format
'UMexpire', # When to stop running transactions. Default is to run forever. If both end and num
'UMfax',
'UMcustreceipt', # send customer a receipt
'UMemail', # customers email add
'UMshipphone',
'UMcustreceiptname', # name
'UMdlnum', # drivers license number (required if not using ssn)
'UMpares', #
'UMcavv',
'UMshipcity',
'UMssn', # social security number
'UMticketedEvent', # ID of Event when
]
VALID_CUSTOM_KEY_PATTERN = re.compile('UMcustom[\d+]')
_line_nums = '|'.join(str(i) for i in range(1, 21))
VALID_GOODS_KEYS_PATTERN = re.compile('UMline[%s][sku|name|description|cost|qty|taxable|prodRefNum]' % _line_nums)
class GoodsDescriptionError(Exception):
pass
class UnknownCommand(Exception):
pass
class DataError(Exception):
pass
class ResponseError(Exception):
pass
def __init__(self, UMkey = settings.USAEPAY_API_KEY,
UMpin = None,
gatewayurl = None,
usesandbox = settings.USAEPAY_USE_SANDBOX,
ignoresslcerterrors = settings.USAEPAY_IGNORE_SSL_CERT_ERRORS,
cabundle = settings.CABUNDLE,
usaepay_rsa_key = settings.USAEPAY_RSA_KEY,
UMtestmode = settings.USAEPAY_TEST_MODE):
self.gatewayurl = gatewayurl
self.usesandbox = usesandbox
self.UMkey = UMkey
self.UMpin = str(UMpin).strip() if UMpin else None
self.ignoresslcerterrors = ignoresslcerterrors
self.cabundle = cabundle
self.usaepay_rsa_key=usaepay_rsa_key
self.UMtestmode = UMtestmode
def get_gateway_url(self, usesandbox = False):
if self.usesandbox or usesandbox:
return "https://sandbox.usaepay.com/gate"
elif self.gatewayurl:
return self.gatewayurl
else:
return "https://www.usaepay.com/gate"
def check_command(self, command):
if command not in self.VALID_COMMANDS:
raise self.UnknownCommand(command)
def check_data(self, command, data):
""""
Verify that all required data has been set
"""
for key in data:
contains = key in self.VALID_REQUEST_KEYS or self.VALID_CUSTOM_KEY_PATTERN.match(key) or \
self.VALID_GOODS_KEYS_PATTERN.match(key)
if not contains:
raise self.DataError("Unknown key %s" % key)
if command in ('check', 'checkcredit'):
if not 'account' in data:
raise self.DataError("Account Number is required")
if not 'routing' in data:
raise self.DataError("Routing Number is required")
def prepair_data(self, command, initial_data, goods_lines):
# Goods descriptions:
# list ot dict(sku='', name='', description='', cost=0.0, qty=0, taxable='', prodRefNum=0)
data = initial_data.copy()
data['UMkey'] = self.UMkey
if 'UMcheckimagefront' in data or 'UMcheckimageback' in data:
data['UMcheckimageencoding'] = 'base64'
if self.UMtestmode:
data.setdefault('UMtestmode', self.UMtestmode)
for index, line in enumerate(goods_lines, 1):
for key in line:
data['UMline%s%s' % (index, key)] = line[key]
# Create hash if pin has been set.
if self.UMpin:
# generate random seed value
seed = trunc(time.time(), 4) + trunc(random.random(), 10)[2:]
# assemble prehash data
prehash = ':'.join( (command, self.UMpin, str(data['UMamount']), str(data['UMinvoice']), seed) )
# sha224 hash
data['UMhash'] = 's/' + seed + '/' + hashlib.sha1(prehash).hexdigest()
return data
def process(self, command, initial_data, goods_lines = [], usesandbox = False):
"""
Send transaction correspond to 'command' name to the USAePay Gateway and parse response
goods_lines - list with good item descriptions
"""
data = self.prepair_data(command, initial_data, goods_lines)
gatewayurl = self.get_gateway_url(usesandbox)
self.check_command(command)
self.check_data(command, initial_data)
# Post data to Gateway
response=self.http_post(gatewayurl, data)
if response.status != 200:
raise self.ResponseError('Wrong response status %s', response.status)
# decode response content
result = urlparse.parse_qs(response.content)
logger.debug('Decoded response: %s', result)
# Check response errors
if not 'UMversion' in result:
raise self.ResponseError('UMversion is missed in the response')
if not 'UMstatus' in result:
raise self.ResponseError('UMstatus is missed in the response')
error_description = tuple(result.get(key, None) for key in 'UMerrorcode UMerror UMcustnum'.split())
if any(error_description):
raise self.ResponseError('Errors : %s %s %s' % error_description)
if not result['UMresult'] == ['A']:
raise self.ResponseError('Wrong response status %s' % result['UMresult'])
return result
def http_post(self, url, data):
'Post request to payment server via stream'
data = urllib.urlencode(data)
logger.debug('stream post request: %s', data)
headers = {
"Content-type": "application/x-www-form-urlencoded",
"Content-length": len(data)
}
conn = httplib.HTTPSConnection("sandbox.usaepay.com", 443, self.usaepay_rsa_key, self.cabundle, False, 45)
conn.request("POST", "/gate.php", data, headers)
response = conn.getresponse()
response.content = response.read()
logger.debug('stream post response: status=%s %s', response.status, response.content)
return response
在设置中
SHOP_HANDLER_PAYMENT = "payusaepay.views.process"