# -*- coding: utf-8 -*-
import re
from datetime import datetime, timezone, timedelta


def to_timestamp(df_str, tz_str):
    cday = datetime.strptime(df_str, \'%Y-%m-%d %H:%M:%S\')
    tz_hour = re.match(r\'^(UTC)([\+\-]\d{1,2})[:](\d{2})$\', tz_str)    
    tz_utc_x = timezone(timedelta(hours=int(tz_hour.group(2))))
    utc_time11 = cday.replace(tzinfo=tz_utc_x)
    return (utc_time11.timestamp())


# if __name__ == \'__main__\':
#     t1 = to_timestamp(\'2015-6-1 08:10:30\', \'UTC+7:00\')
#     print(t1 == 1433121030.0)
#     t2 = to_timestamp(\'2015-5-31 16:10:30\', \'UTC-09:00\')
#     print(t2 == 1433121030.0)

# 测试:
t1 = to_timestamp(\'2015-6-1 08:10:30\', \'UTC+7:00\')
assert t1 == 1433121030.0, t1

t2 = to_timestamp(\'2015-5-31 16:10:30\', \'UTC-09:00\')
assert t2 == 1433121030.0, t2

print(\'ok\')

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