def refund(self, out_refund_no, total_fee, refund_fee,
transaction_id='', out_trade_no='', **kwargs):
"""
退款,请求需要双向证书
"""
if not out_refund_no:
raise WxPayError(u"退款申请接口中，缺少必填参数out_refund_no(商户系统内部退款单号)！")
if not total_fee:
raise WxPayError(u"退款申请接口中，缺少必填参数total_fee(订单总金额，单位为分, 整数)！")
if not refund_fee:
raise WxPayError(u"退款申请接口中，缺少必填参数refund_fee(退款金额，单位为分, 整数)！")
if not (transaction_id or out_trade_no):
raise WxPayError(u"订单查询接口中，out_trade_no、transaction_id至少填一个")
kwargs.update(
appid=self._appid,
mch_id=self._mchid,
out_refund_no=out_refund_no,
total_fee=total_fee,
refund_fee=refund_fee,
transaction_id=transaction_id,
out_trade_no=out_trade_no,
nonce_str=Util.generate_nonce(20),
op_user_id=self._mchid
)
kwargs.update(sign=self._generate_sign(**kwargs)) #sign
return self._post('/secapi/pay/refund', kwargs, need_cert=True)
def refund(self, out_refund_no, total_fee, refund_fee,
transaction_id='', out_trade_no='', **kwargs):
"""
退款,请求需要双向证书
"""
if not out_refund_no:
raise WxPayError(u"退款申请接口中，缺少必填参数out_refund_no(商户系统内部退款单号)！")
if not total_fee:
raise WxPayError(u"退款申请接口中，缺少必填参数total_fee(订单总金额，单位为分, 整数)！")
if not refund_fee:
raise WxPayError(u"退款申请接口中，缺少必填参数refund_fee(退款金额，单位为分, 整数)！")
if not (transaction_id or out_trade_no):
raise WxPayError(u"订单查询接口中，out_trade_no、transaction_id至少填一个")
kwargs.update(
appid=self._appid,
mch_id=self._mchid,
out_refund_no=out_refund_no,
total_fee=total_fee,
refund_fee=refund_fee,
transaction_id=transaction_id,
out_trade_no=out_trade_no,
nonce_str=Util.generate_nonce(20)
)
kwargs.update(sign=self._generate_sign(**kwargs)) #sign
return self._post('/secapi/pay/refund', kwargs, cert=True)
def sign_for_jspay(self, prepay_id):
"""jssdk调起支付时需要的sign"""
timestamp = Util.timestamp()
nonce_str = Util.generate_nonce(15)
package = 'prepay_id=%s' % prepay_id
sign_type = 'MD5'
pay_sign = self._generate_sign(appId=self._appid, timeStamp=timestamp,
nonceStr=nonce_str, package=package, signType=sign_type)
return {'timestamp':timestamp, 'nonceStr':nonce_str, 'package':package, 'signType':sign_type, 'paySign':pay_sign}
def sign_for_jspay(self, prepay_id):
"""jssdk调起支付时需要的sign"""
timestamp = Util.timestamp()
nonce_str = Util.generate_nonce(15)
package = 'prepay_id=%s' % prepay_id
sign_type = 'MD5'
pay_sign = self._generate_sign(appId=self._appid, timeStamp=timestamp,
nonceStr=nonce_str, package=package, signType=sign_type)
return {'timestamp':timestamp, 'nonceStr':nonce_str, 'package':package, 'signType':sign_type, 'paySign':pay_sign}
def unified_order(self, trade_type, out_trade_no, body,
total_fee, notify_url, **kwargs):
"""
微信统一下单api(文档http://pay.weixin.qq.com/wiki/doc/api/index.php?chapter=9_1)
:param trade_type: 交易类型('JSAPI', 'APP', 'NATIVE')
:param out_trade_no: 商户订单号,32个字符内
:param body: 商品或支付简单描述
:param total_fee: 金额(分),默认RMB,需要其他货币类型在kwargs内指定
:param notify_url: 支付结果通知地址
:return: 返回tuple(code, result), 统一下单结果
"""
if not trade_type:
raise WxPayError(u"缺少统一支付接口必填参数trade_type！")
if not out_trade_no:
raise WxPayError(u"缺少统一支付接口必填参数out_trade_no！")
if not body:
raise WxPayError(u"缺少统一支付接口必填参数body！")
if not total_fee:
raise WxPayError(u"缺少统一支付接口必填参数total_fee！")
if not notify_url:
raise WxPayError(u"异步通知url未设置")
#检查ip
if not kwargs.get('spbill_create_ip'):
if trade_type == 'NATIVE':
kwargs.update(spbill_create_ip=Util.get_local_ip())
else:
raise WxPayError(u'APP和网页支付需提交用户端ip')
if trade_type == 'NATIVE':
assert kwargs.get('product_id'), u'trade_type为NATIVE时，product_id为必填参数'
elif trade_type == 'JSAPI':
assert kwargs.get('openid'), u'trade_type为JSAPI时，openid为必填参数！'
elif trade_type == 'APP':
pass
else:
raise WxPayError(u"支付类型trade_type错误,为('JSAPI', 'APP', 'NATIVE')之一")
kwargs.update(device_info='WEB')
kwargs.update(appid=self._appid, mch_id=self._mchid)
kwargs.update(trade_type=trade_type,
out_trade_no=out_trade_no,
body=body,
total_fee=total_fee,
notify_url=notify_url)
kwargs.update(nonce_str=Util.generate_nonce(20))
kwargs.update(sign=self._generate_sign(**kwargs)) #sign
return self._post('/pay/unifiedorder', kwargs)
def unified_order(self, trade_type, out_trade_no, body, total_fee, notify_url, **kwargs):
"""
微信统一下单api(文档http://pay.weixin.qq.com/wiki/doc/api/index.php?chapter=9_1)
:param trade_type: 交易类型('JSAPI', 'APP', 'NATIVE')
:param out_trade_no: 商户订单号,32个字符内
:param body: 商品或支付简单描述
:param total_fee: 金额(分),默认RMB,需要其他货币类型在kwargs内指定
:param notify_url: 支付结果通知地址
:return: 返回tuple(code, result), 统一下单结果
"""
if not trade_type:
raise WxPayError(u"缺少统一支付接口必填参数trade_type！")
if not out_trade_no:
raise WxPayError(u"缺少统一支付接口必填参数out_trade_no！")
if not body:
raise WxPayError(u"缺少统一支付接口必填参数body！")
if not total_fee:
raise WxPayError(u"缺少统一支付接口必填参数total_fee！")
if not notify_url:
raise WxPayError(u"异步通知url未设置")
#检查ip
if not kwargs.get('spbill_create_ip'):
if trade_type == 'NATIVE':
kwargs.update(spbill_create_ip=Util.get_local_ip())
else:
raise WxPayError(u'APP和网页支付需提交用户端ip')
if trade_type == 'NATIVE':
assert kwargs.get('product_id'), u'trade_type为NATIVE时，product_id为必填参数'
elif trade_type == 'JSAPI':
assert kwargs.get('openid'), u'trade_type为JSAPI时，openid为必填参数！'
elif trade_type == 'APP':
pass
else:
raise WxPayError(u"支付类型trade_type错误,为('JSAPI', 'APP', 'NATIVE')之一")
kwargs.update(device_info='WEB')
kwargs.update(appid=self._appid, mch_id=self._mchid)
kwargs.update(trade_type=trade_type,
out_trade_no=out_trade_no,
body=body,
total_fee=total_fee,
notify_url=notify_url)
kwargs.update(nonce_str=Util.generate_nonce(20))
kwargs.update(sign=self._generate_sign(**kwargs)) #sign
return self._post('/pay/unifiedorder', kwargs)
def close_order(self, out_trade_no):
"""
关闭交易
:param out_trade_no: 商户订单号
:return: 返回tuple(code, result)
"""
if not out_trade_no:
raise WxPayError("订单查询接口中，out_trade_no必填！")
kwargs = {'appid':self._appid, 'mch_id':self._mchid}
kwargs.update(out_trade_no=out_trade_no)
kwargs.update(nonce_str=Util.generate_nonce(20))
kwargs.update(sign=self._generate_sign(**kwargs)) #sign
return self._post('/pay/closeorder', kwargs)
def close_order(self, out_trade_no):
"""
关闭交易
:param out_trade_no: 商户订单号
:return: 返回tuple(code, result)
"""
if not out_trade_no:
raise WxPayError("订单查询接口中，out_trade_no必填！")
kwargs = {'appid':self._appid, 'mch_id':self._mchid}
kwargs.update(out_trade_no=out_trade_no)
kwargs.update(nonce_str=Util.generate_nonce(20))
kwargs.update(sign=self._generate_sign(**kwargs)) #sign
return self._post('/pay/closeorder', kwargs)
def query_order(self, transaction_id='', out_trade_no=''):
"""
查询订单api, 文档(http://pay.weixin.qq.com/wiki/doc/api/index.php?chapter=9_2)
:param transaction_id: 微信订单号, 优先
:param out_trade_no: 商户内部订单号
:return 返回tuple(code, result)
"""
if not (transaction_id or out_trade_no):
raise WxPayError(u"订单查询接口中，out_trade_no、transaction_id至少填一个")
kwargs = {'appid':self._appid, 'mch_id':self._mchid}
kwargs.update(transaction_id=transaction_id, out_trade_no=out_trade_no)
kwargs.update(nonce_str=Util.generate_nonce(20))
kwargs.update(sign=self._generate_sign(**kwargs)) #sign
return self._post('/pay/orderquery', kwargs)
def query_order(self, transaction_id='', out_trade_no=''):
"""
查询订单api, 文档(http://pay.weixin.qq.com/wiki/doc/api/index.php?chapter=9_2)
:param transaction_id: 微信订单号, 优先
:param out_trade_no: 商户内部订单号
:return 返回tuple(code, result)
"""
if not (transaction_id or out_trade_no):
raise WxPayError(u"订单查询接口中，out_trade_no、transaction_id至少填一个")
kwargs = {'appid':self._appid, 'mch_id':self._mchid}
kwargs.update(transaction_id=transaction_id, out_trade_no=out_trade_no)
kwargs.update(nonce_str=Util.generate_nonce(20))
kwargs.update(sign=self._generate_sign(**kwargs)) #sign
return self._post('/pay/orderquery', kwargs)
def query_refund(self, transaction_id='', out_trade_no='', out_refund_no='', refund_id='', **kwargs):
"""
查询退款, 参数四选一
"""
if not (transaction_id and out_refund_no and out_trade_no, refund_id):
raise WxPayError(u"订单查询接口中，transaction_id and out_refund_no and out_trade_no, refund_id至少填一个")
kwargs.update(
appid=self._appid,
mch_id=self._mchid,
nonce_str=Util.generate_nonce(20),
transaction_id=transaction_id,
out_refund_no=out_refund_no,
out_trade_no=out_trade_no,
refund_id=refund_id
)
kwargs.update(sign=self._generate_sign(**kwargs)) #sign
return self._post('/pay/refundquery', kwargs, cert=True)
def sign(cls, appid, jsapi_ticket, page_url):
"""
对页面进行签名.
网页url, 不含#之后的部分(函数内会自动过滤)
返回{'appid':'', 'timestamp':123456789, 'nonce_str':'', 'signature':''}
"""
params = {
'noncestr': Util.generate_nonce(15),
'timestamp': Util.timestamp(),
'jsapi_ticket': jsapi_ticket,
'url': page_url.partition('#')[0],
}
string = '&'.join(['%s=%s' % (key.lower(), params[key]) for key in sorted(params.keys())])
signature = Util.sha1(string)
return {
'appid': appid,
'timestamp': params['timestamp'],
'nonce_str': params['noncestr'],
'signature':signature
}
def query_refund(self, transaction_id='', out_trade_no='',
out_refund_no='', refund_id='', **kwargs):
"""
查询退款, 参数四选一
"""
if not (transaction_id and out_refund_no and out_trade_no, refund_id):
raise WxPayError(u"订单查询接口中，transaction_id and out_refund_no and out_trade_no, refund_id至少填一个")
kwargs.update(
appid=self._appid,
mch_id=self._mchid,
nonce_str=Util.generate_nonce(20),
transaction_id=transaction_id,
out_refund_no=out_refund_no,
out_trade_no=out_trade_no,
refund_id=refund_id
)
kwargs.update(sign=self._generate_sign(**kwargs)) #sign
return self._post('/pay/refundquery', kwargs, need_cert=True)
def _encrypt_msg(self, xml_data):
crypt = WXBizMsgCrypt(self._token, self._aes_key, self._appid)
ret,encrypt_xml = crypt.EncryptMsg(xml_data, Util.generate_nonce(10))
if ret:
assert WxError, 'encrypt error, errcode_code:%s' % ret
return encrypt_xml