def download_bill(cls, input_data, time_out=6):
"""
下载对账单
:param input_data: 提交给下载对账单API的参数
:param time_out: 接口超时时间
:return: 成功时返回，其他抛异常
"""
url = "https://api.mch.weixin.qq.com/pay/downloadbill"
# 检测必填参数
if not input_data.get("bill_date"):
raise WxException(WxException.ERROR_PARAM, "对账单接口中，缺少必填参数bill_date！")
data = input_data
data['appid'] = cls.WX_PAYMENT_CONFIG.APP_ID if not data.get('app_id') else data.get('app_id')
data['mch_id'] = cls.WX_PAYMENT_CONFIG.MCH_ID if not data.get('mch_id') else data.get('mch_id')
data['nonce_str'] = WxPayApi.generate_nonce_str() #随机字符串
data['sign'] = makeSign(data) #签名
req_body = makeXml(data)
h = httplib2.Http(".cache", timeout=time_out)
resp, content = h.request(url, "POST", body=req_body, headers={'content-type': 'text/xml'})
# 若接口调用失败会返回xml格式的结果
if content.startswith('<xml>'):
return make_dict_from_xml(content)
# 接口调用成功则返回非xml格式的数据
else:
return content
def close_order(cls, input_data, time_out=6):
"""
关闭订单
:param input_data: 提交给关闭订单API的参数
:param time_out: 接口超时时间
:return: 成功时返回，其他抛异常
"""
url = "https://api.mch.weixin.qq.com/pay/closeorder"
# 检测必填参数
if not input_data.get("out_trade_no"):
raise WxException(WxException.ERROR_PARAM, "关闭订单接口中，out_trade_no必填！")
data = input_data
data['appid'] = cls.WX_PAYMENT_CONFIG.APP_ID if not data.get('app_id') else data.get('app_id')
data['mch_id'] = cls.WX_PAYMENT_CONFIG.MCH_ID if not data.get('mch_id') else data.get('mch_id')
data['nonce_str'] = WxPayApi.generate_nonce_str() #随机字符串
data['sign'] = makeSign(data) #签名
req_body = makeXml(data)
start = datetime.now()
h = httplib2.Http(".cache", timeout=time_out)
resp, content = h.request(url, "POST", body=req_body, headers={'content-type': 'text/xml'})
result = make_dict_from_xml(content)
timeCost = int((datetime.now() - start).total_seconds())
cls.report_cost_time(url, timeCost, result) # 测速上报
return result
def get_short_url(cls, data, time_out=6):
"""
转换短链接
该接口主要用于扫码原生支付模式一中的二维码链接转成短链接(weixin://wxpay/s/XXXXXX)，
减小二维码数据量，提升扫描速度和精确度。
:param data: 提交给转换短连接API的参数
:param time_out: 接口超时时间
:return: 成功时返回，其他抛异常
"""
url = "https://api.mch.weixin.qq.com/tools/shorturl"
# 检测必填参数
if not data.get("long_url"):
raise WxException(WxException.ERROR_PARAM, "需要转换的URL，签名用原串，传输需URL encode！")
data['appid'] = cls.WX_PAYMENT_CONFIG.APP_ID if not data.get('app_id') else data.get('app_id')
data['mch_id'] = cls.WX_PAYMENT_CONFIG.MCH_ID if not data.get('mch_id') else data.get('mch_id')
data['nonce_str'] = WxPayApi.generate_nonce_str() #随机字符串
data['sign'] = makeSign(data) #签名
req_body = makeXml(data)
start = datetime.now() #请求开始时间
h = httplib2.Http(".cache", timeout=time_out)
resp, content = h.request(url, "POST", body=req_body, headers={'content-type': 'text/xml'})
result = make_dict_from_xml(content)
timeCost = int((datetime.now() - start).total_seconds())
cls.report_cost_time(url, timeCost, result) # 测速上报
return result
def unified_order(cls, input_data, time_out=6):
"""
统一下单
:param input_data: 提交给统一下单API的参数
:param time_out: 超时时间
:return: 成功时返回，其他抛异常
"""
url = "https://api.mch.weixin.qq.com/pay/unifiedorder"
must_params = {
'out_trade_no': u'缺少统一支付接口必填参数out_trade_no！',
'body': u'缺少统一支付接口必填参数body',
'total_fee': u'缺少统一支付接口必填参数total_fee',
'trade_type': u'缺少统一支付接口必填参数trade_type',
'product_id': u'统一支付接口中，缺少必填参数product_id！trade_type为JSAPI时，product_id为必填参数！',
}
absence = set(must_params.keys()) - set(input_data.keys())
if absence:
raise WxException(WxException.ERROR_PARAM, must_params[absence.pop()])
# 检测必填参数
# 异步通知url未设置，则使用配置文件中的url
if not input_data.get(''):
input_data['notify_url'] = cls.WX_PAYMENT_CONFIG.NOTIFY_URL # 异步通知url
data = input_data
data['appid'] = cls.WX_PAYMENT_CONFIG.APP_ID if not data.get('app_id') else data.get('app_id')
data['mch_id'] = cls.WX_PAYMENT_CONFIG.MCH_ID if not data.get('mch_id') else data.get('mch_id')
data['nonce_str'] = WxPayApi.generate_nonce_str() #随机字符串
data['sign'] = makeSign(data, cls.WX_PAYMENT_CONFIG.API_KEY) #签名
req_body = makeXml(data)
if isinstance(req_body, unicode):
req_body = req_body.encode('utf-8')
start = datetime.now()
h = httplib2.Http(".cache", timeout=time_out)
resp, content = h.request(url, "POST", body=req_body, headers={'content-type': 'text/xml'})
result = make_dict_from_xml(content)
timeCost = int((datetime.now() - start).total_seconds())
cls.report_cost_time(url, timeCost, result) # 测速上报
return result
def get_notify_data(self, request):
"""
接收从微信支付后台发送过来的数据并验证签名
:return: 微信支付后台返回的数据
"""
# 接收从微信后台POST过来的数据
logging.debug('in notify start ######################## ')
try:
fromWxData = make_dict_from_xml(request.body)
logging.debug('in notify : notify request.body ok ######################## ')
if fromWxData["return_code"] == "SUCCESS":
if checkSign(fromWxData) != 0:
raise WxException(WxException.ERROR_SIGN, u'签名错误')
return fromWxData
except WxException as e:
logging.error('from weixin notification: sign error: ' + request.body)
data = '<xml><return_code><![CDATA[FAIL]]></return_code>' \
'<return_msg><![CDATA[{}]]></return_msg></xml>'.format('.'.join(e.msgs))
return HttpResponse(data, content_type='text/xml')
def refund(cls, input_data, time_out=6):
"""
申请退款
:param input_data: 提交给申请退款API的参数
:param time_out: 超时时间
:return: 成功时返回接口调用结果，其他抛异常
"""
url = "https://api.mch.weixin.qq.com/secapi/pay/refund"
# 检测必填参数
if not input_data.get("out_trade_no") and not input_data.get("transaction_id"):
raise WxException(WxException.ERROR_PARAM, "退款申请接口中，out_trade_no、transaction_id至少填一个！")
elif not input_data.get("out_refund_no"):
raise WxException(WxException.ERROR_PARAM, "退款申请接口中，缺少必填参数out_refund_no！")
elif input_data.get("total_fee"):
raise WxException(WxException.ERROR_PARAM, "退款申请接口中，缺少必填参数total_fee！")
elif input_data.get("refund_fee"):
raise WxException(WxException.ERROR_PARAM, "退款申请接口中，缺少必填参数refund_fee！")
elif input_data.get("op_user_id"):
raise WxException(WxException.ERROR_PARAM, "退款申请接口中，缺少必填参数op_user_id！")
data = input_data
data['appid'] = cls.WX_PAYMENT_CONFIG.APP_ID if not data.get('app_id') else data.get('app_id')
data['mch_id'] = cls.WX_PAYMENT_CONFIG.MCH_ID if not data.get('mch_id') else data.get('mch_id')
data['nonce_str'] = WxPayApi.generate_nonce_str() #随机字符串
data['sign'] = makeSign(data) #签名
req_body = makeXml(data)
start = datetime.now()
h = httplib2.Http(".cache", timeout=time_out)
resp, content = h.request(url, "POST", body=req_body, headers={'content-type': 'text/xml'})
result = make_dict_from_xml(content)
timeCost = int((datetime.now() - start).total_seconds())
cls.report_cost_time(url, timeCost, result) # 测速上报
return result
def get_notify_data(self, request):
"""
接收从微信支付后台发送过来的数据并验证签名
:return: 微信支付后台返回的数据
"""
# 接收从微信后台POST过来的数据
logging.debug('in notify start ######################## ')
try:
fromWxData = make_dict_from_xml(request.body)
logging.debug(
'in notify : notify request.body ok ######################## '
)
if fromWxData["return_code"] == "SUCCESS":
if checkSign(fromWxData) != 0:
raise WxException(WxException.ERROR_SIGN, u'签名错误')
return fromWxData
except WxException as e:
logging.error('from weixin notification: sign error: ' +
request.body)
data = '<xml><return_code><![CDATA[FAIL]]></return_code>' \
'<return_msg><![CDATA[{}]]></return_msg></xml>'.format('.'.join(e.msgs))
return HttpResponse(data, content_type='text/xml')
def refund_query(cls, input_data, time_out=6):
"""
* 查询退款
* 提交退款申请后，通过该接口查询退款状态。退款有一定延时，
* 用零钱支付的退款20分钟内到账，银行卡支付的退款3个工作日后重新查询退款状态。
* out_refund_no、out_trade_no、transaction_id、refund_id四个参数必填一个
:param input_data: 提交给查询退款API的参数
:param time_out: 接口超时时间
:return: 成功时返回，其他抛异常
"""
url = "https://api.mch.weixin.qq.com/pay/refundquery"
# 检测必填参数
if not input_data.get("out_refund_no") and not input_data.get("out_trade_no")\
and not input_data.get("transaction_id") and not input_data.get("refund_id"):
raise WxException(WxException.ERROR_PARAM, "退款查询接口中，out_refund_no、out_trade_no、transaction_id、refund_id四个参数必填一个！")
data = input_data
data['appid'] = cls.WX_PAYMENT_CONFIG.APP_ID if not data.get('app_id') else data.get('app_id')
data['mch_id'] = cls.WX_PAYMENT_CONFIG.MCH_ID if not data.get('mch_id') else data.get('mch_id')
data['nonce_str'] = WxPayApi.generate_nonce_str() #随机字符串
data['sign'] = makeSign(data) #签名
req_body = makeXml(data)
start = datetime.now()
h = httplib2.Http(".cache", timeout=time_out)
resp, content = h.request(url, "POST", body=req_body, headers={'content-type': 'text/xml'})
result = make_dict_from_xml(content)
timeCost = int((datetime.now() - start).total_seconds())
cls.report_cost_time(url, timeCost, result) # 测速上报
return result
def report(cls, data, time_out=1):
"""
:param data: 提交给测速上报接口的参数
:param time_out: 测速上报接口超时时间
:return: 成功时返回测速上报接口返回的结果, 失败：异常
"""
url = "https://api.mch.weixin.qq.com/payitil/report"
must_params = {
'interface_url': u'接口URL，缺少必填参数interface_url！',
'return_code': u'返回状态码，缺少必填参数return_code！',
'result_code': u'业务结果，缺少必填参数result_code！',
'user_ip': u'访问接口IP，缺少必填参数user_ip！',
'execute_time_': u'接口耗时，缺少必填参数execute_time_！',
}
absence = set(must_params.keys()) - set(data.keys())
if absence:
raise WxException(WxException.ERROR_PARAM, must_params[absence.pop()])
data['appid'] = cls.WX_PAYMENT_CONFIG.APP_ID if not data.get('app_id') else data.get('app_id')
data['mch_id'] = cls.WX_PAYMENT_CONFIG.MCH_ID if not data.get('mch_id') else data.get('mch_id')
data['user_ip'] = cls.WX_PAYMENT_CONFIG.IP if not data.get('user_ip') else data.get('user_ip')
data['time'] = datetime.today().strftime('%Y%m%d%H%M%S') #商户上报时间
data['nonce_str'] = WxPayApi.generate_nonce_str() #随机字符串
data['sign'] = makeSign(data) #签名
req_body = makeXml(data)
try:
h = httplib2.Http(".cache", timeout=time_out)
resp, content = h.request(url, "POST", body=req_body, headers={'content-type': 'text/xml'})
return make_dict_from_xml(content)
except:
return {}