python 返回值None的问题
有结果的时候会正常输出，没有结果返回值 None求助，需要怎么修改才不会返回 NonePAGE_URL = "https://data.eastmoney.com/kzz/default.html"
TARGET_URL = "http://datacenter-web.eastmoney.com/api/data/v1/get"
PARAMS = {
'reportName': "RPT_BOND_CB_LIST",
'columns': "ALL",
'quoteColumns': "f2~01~CONVERT_STOCK_CODE~CONVERT_STOCK_PRICE,f235~10~SECURITY_CODE~TRANSFER_PRICE,f236~10~SECURITY_CODE~TRANSFER_VALUE,f2~10~SECURITY_CODE~CURRENT_BOND_PRICE,f237~10~SECURITY_CODE~TRANSFER_PREMIUM_RATIO,f239~10~SECURITY_CODE~RESALE_TRIG_PRICE,f240~10~SECURITY_CODE~REDEEM_TRIG_PRICE,f23~01~CONVERT_STOCK_CODE~PBV_RATIO",
'source': "WEB",
'client': "WEB",
'sortTypes': -1,
'sortColumns': "PUBLIC_START_DATE",
'pageSize': 20,
'pageNumber': 1
}
def log(string):
for line in string.splitlines():
now = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
line = "[%s] %s" % (now, line)
print(line)
def main():
req = requests.get(TARGET_URL, params=PARAMS)
js = json.loads(req.text)
data = js["result"]["data"]
recently_public_bonds = []
recently_listing_bonds = []
today = datetime.date.today()
# today = datetime.datetime.strptime("2021-11-24 10:00:13", '%Y-%m-%d %H:%M:%S').date()
dayRel = ["今天"]
for item in data:
if item['PUBLIC_START_DATE'] is not None:
start_date = datetime.datetime.strptime(
item['PUBLIC_START_DATE'], '%Y-%m-%d %H:%M:%S').date()
gap = (start_date - today).days
if gap >= 0 and gap < 1:
recently_public_bonds.append(
Bond.Bond(item["SECURITY_NAME_ABBR"], item["SECURITY_CODE"], item["CONVERT_STOCK_PRICE"], item["TRANSFER_PRICE"], item['PUBLIC_START_DATE'], item['LISTING_DATE']))
elif item['VALUE_DATE'] is not None:
start_date = datetime.datetime.strptime(
item['VALUE_DATE'], '%Y-%m-%d %H:%M:%S').date()
gap = (start_date - today).days
if gap == 0:
recently_public_bonds.append(
Bond.Bond(item["SECURITY_NAME_ABBR"], item["SECURITY_CODE"], item["CONVERT_STOCK_PRICE"], item["TRANSFER_PRICE"], item['VALUE_DATE'], item['LISTING_DATE']))
if item['LISTING_DATE'] is not None:
list_date = datetime.datetime.strptime(
item['LISTING_DATE'], '%Y-%m-%d %H:%M:%S').date()
gap = (list_date - today).days
if gap == 0:
recently_listing_bonds.append(
Bond.Bond(item["SECURITY_NAME_ABBR"], item["SECURITY_CODE"], item["CONVERT_STOCK_PRICE"], item["TRANSFER_PRICE"], item['PUBLIC_START_DATE'], item['LISTING_DATE']))
wx_msg = ''
wx_msg += '【今日发售：】\n\n'
if len(recently_public_bonds) > 0:
for bond in recently_public_bonds:
if bond.public_start_date is not None:
gap = (bond.public_start_date - today).days
if gap < len(dayRel):
wx_msg += '- %s' % (dayRel)
wx_msg += '- %s: 债券代码：%s，债券简称：%s，正股价：%s，转股价：%s, 转股价值：%.2f' % (
dayRel,
bond.code,
bond.name,
bond.price if bond.price is not None else "-",
bond.swap_price if bond.swap_price is not None else "-",
bond.swap_value if bond.swap_price is not None else 0.0)
if bond.swap_price is not None and bond.swap_value > 90:
wx_msg += '推荐✅'
else:
content="bond.public_start_date 不应该为空，请检查代码或API"
raise RuntimeError("bond.public_start_date 不应该为空，请检查代码或API")
return content
wx_msg += '\n\n'
else:
wx_msg += '- 无\n\n'
wx_msg += '【今日上市：】\n\n'
if len(recently_listing_bonds) > 0:
for bond in recently_listing_bonds:
gap = (bond.listing_date - today).days
if gap < len(dayRel):
wx_msg += '- %s: 债券代码：% s，债券简称：% s\n\n' % (
dayRel, bond.code, bond.name)
else:
wx_msg += '- 无\n\n'
if len(recently_public_bonds) > 0 or len(recently_listing_bonds) > 0:
wx_msg += '[点击详情查看一览表]%s' % PAGE_URL
log(wx_msg)
content=wx_msg
return content
else:
log("今日无可转债发行或上市") 本帖最后由 sbwfnhn 于 2022-10-26 16:10 编辑
没有测试，哪个值返回none?这个问题加个判断跳过不就行了吗
ifa == 'None' or a is none:
print(返回值为null，跳过)
或者
ifa == 'None' or a is none:
pass
也有可能是 东财 网站的问题看看 返回为NONE 的 网页是不是跳转到其他页面了 python 的函数在没有 return 时, 默认是return None, 你的return部分, 一个是正常输出, 一个是log(), 你只需要在log()之后return 别的就可以了, 空字符串之类的
页:
[1]