Python 如何检查字符串是否为UTC 时间戳？

Question

我需要检查时间戳字符串是否属于'UTC'时间戳

我有以下代码

def time_stamp():
    utc = timezone('UTC')
    time_stamp = datetime.now(utc)
    utc_time_stmap = time_stamp.strftime("%Y-%m-%dT%H:%M:%S.%f")
    return utc_time_stmap

上述函数return字符串格式的utc时间

print(type(time_stamp()))
<class 'str'>

print(time_stamp())
'2021-02-10 15:49:57.906168'

'time_stamp()' return 'string type' 中的时间戳。

#预期：

我需要检查 return 值是否在紧迫日期 UTC 日期范围内？

感谢您的帮助？

谢谢

Answer 1

这里是一些代码，您可以在其中找到答案。

import re
from datetime import datetime

DATETIME_ISO8601 = re.compile(
    r'^([0-9]{4})' r'-' r'([0-9]{1,2})' r'-' r'([0-9]{1,2})' # date
    r'([T\s][0-9]{1,2}:[0-9]{1,2}:?[0-9]{1,2}(\.[0-9]{1,6})?)?' # time
    r'((\+[0-9]{2}:[0-9]{2})| UTC| utc)?' # zone
)

def datetime_iso(string):
    """ verify rule
    Mandatory is: 'yyyy-(m)m-(d)dT(h)h:(m)m'        
    """
    string = string.strip()
    return bool(re.fullmatch(DATETIME_ISO8601, string))

def utc_timezone(datetime_string):
    datetime_string = datetime_string.strip()
    return datetime_string.endswith("00:00") or datetime_string.upper().endswith("UTC")


check_this = ["2020-1-1 22:11", "2020-1-1 22:11:34 00:00", "2020-1-1 22:11:34+00:00", "2020-1-1 22:11+01:00", "2020-1-1 22:11 UTC", "does this help?"]

for datetime_string in check_this:
    print(".........................")
    print(f"This date time string '{datetime_string}' is in datetime iso format: {datetime_iso(datetime_string)}")
    if datetime_iso(datetime_string):
        print(f"Is it the UTC time zone? {utc_timezone(datetime_string)}")

Python 如何检查字符串是否为UTC 时间戳？

Python How to check the string is a UTC timestamp?

python-3.x

datetime

datetime-format

python-datetime

pytz