Python不会导入函数

Question

I have a simple time.py file:

import datetime
import time
import re
def cnvrt1(time):
    hr = int(re.split(":",time)[0])
    min = int(re.split(":",time)[1])
    sec = int(re.split(" ",re.split(':',time)[2])[0])
    ampm = re.split(" ",re.split(':',time)[2])[1][0]
    zone = re.split(" ",re.split(':',time)[2])[2][0]
    if ampm == 'P' && hr < 12 :
        hr = hr + 12
    elif ampm == 'A' && hr == 12 :
        hr = hr - 12;
    dt = datetime.datetime.strptime(year=2013,month=10,day=22,hour=hr,minute=min,second=sec)
    res1 = time.mktime(dt.timetuple())
    if zone =='M':
        res1 = res1 -  3600000;
    if zone =='C' :
            res1 = res1 - 3600000*2;
    if zone == 'E' :
           res1 = res1 - 3600000*3;
    return res1

However when I say from time import cnvrt1 , it says ImportError: can't import name 'cnvrt1' . Can anyone point me to what I might be doing wrong?

Answer 1

You are using the wrong name. There is already a module named time in the standard library, and that module is probably already imported by other code you are using. You are even using import time in the code you posted here, which would otherwise create a circular import.

The best option is to rename this module to something else.

If you are using Python 3, and placed time.py inside a package, you can qualify the import to be within the current package:

from .time import cnvrt1

Note the . . This would allow you to retain the current name; Python 3 switched to using absolute imports by default and a time module inside a package won't conflict with the global time module.

You are also using invalid Python syntax in your module. Python uses and , not && for boolean logic:

if ampm == 'P' && hr < 12 :

should be

if ampm == 'P' and hr < 12: