如何在配置文件中替换python脚本读取键中的值

Question

我必须用python脚本中的值替换一个键，我正在从Config文件中读取密钥以创建一个URL。

例如： https：// xyz / prefix = dcm_accountclick_201903

配置文件：

go_req=https://xyz/prefix=dcm_accountclick_,yday_mnth
go_key=yday_mnth,

脚本：

yday_date = datetime.datetime.today() - timedelta(days=1)
last_date_fmt = datetime.datetime.strftime(yday_date,'%Y%m%d')
yday_mnth = last_date_fmt[:6]
reqItems = envvars.list['go_req'](here my envars script reads the go_req from config file)
reqKeys = envvars.list['go_key'](here my envars script reads the go_req from config file)
ur= reqItems.split(',')
keys= reqKeys.split(',')
req_url= ''
for i in ur:
  for j in keys:
    if (str(i) == str(j)):(here if yday_mnth in url matches with key then i will try to add the value which i am generating in script)

      req_url += i(here eventhough it matches yday_mnth==yday_mnth am getting output as below)

https：// xyz / prefix = dcm_accountclick_ yday_mnth

所以我不确定为什么它没有采取变量yday_mnth的值，如果我给出如下，那么它的工作，但我希望我的脚本是通用的。

req_url + = yday_mnth

Answer 1

如果我理解正确，你想在reqItems和reqKeys之间匹配时输出yday_mnth的值，然后将它附加到URL？

import datetime
yday_date = datetime.datetime.today() - datetime.timedelta(days=1)
last_date_fmt = datetime.datetime.strftime(yday_date,'%Y%m%d')
yday_mnth = last_date_fmt[:6]

reqItems = "https://xyz/prefix=dcm_accountclick_,yday_mnth"
reqKeys = "yday_mnth,"
ur= reqItems.split(',')
keys= reqKeys.split(',')
req_url= ''
for i in ur:
  for j in keys:
    if (str(i) == str(j)):
      req_url += yday_mnth

print(req_url)
print(ur[0] + req_url)

输出：

201903
https://xyz/prefix=dcm_accountclick_201903

但更简单的实现方式是：

import datetime
yday_date = datetime.datetime.today() - datetime.timedelta(days=1)
last_date_fmt = datetime.datetime.strftime(yday_date,'%Y%m%d')
yday_mnth = last_date_fmt[:6]

reqItems = "https://xyz/prefix=dcm_accountclick_,yday_mnth"
print(reqItems.replace(",yday_mnth",yday_mnth))

输出：

https://xyz/prefix=dcm_accountclick_201903