util/lib/analysis_package/utils/datetime_util.py

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# -*- coding: UTF-8 -*-
"""
@Project -> File IoD_data_analysis_tool -> timeutil
@IDE PyCharm
@Author rengengchen
@Date 2022/4/26 10:02
@Desc
"""
import datetime
import types
import typing
from dateutil import parser
class cnparserinfo(parser.parserinfo):
"""
匹配中文日期格式
用法:
from dateutil import parser
parser.parse('1998年12月11日 8点20分30秒', cnparserinfo())
"""
parser.parserinfo.JUMP.extend('年月日')
WEEKDAYS = [list(weekdays) for weekdays in parser.parserinfo.WEEKDAYS]
WEEKDAYS[0].extend(('星期一', '周一'))
WEEKDAYS[1].extend(('星期二', '周二'))
WEEKDAYS[2].extend(('星期三', '周三'))
WEEKDAYS[3].extend(('星期四', '周四'))
WEEKDAYS[4].extend(('星期五', '周五'))
WEEKDAYS[5].extend(('星期六', '周六'))
WEEKDAYS[6].extend(('星期天', '周日', '周天', '周末'))
WEEKDAYS = [tuple(weekdays) for weekdays in WEEKDAYS]
# MONTHS = [list(months) for months in parser.parserinfo.MONTHS]
# MONTHS[0].extend(('一月', '1月'))
# MONTHS[1].extend(('二月', '2月'))
# MONTHS[2].extend(('三月', '3月'))
# MONTHS[3].extend(('四月', '4月'))
# MONTHS[4].extend(('五月', '5月'))
# MONTHS[5].extend(('六月', '6月'))
# MONTHS[6].extend(('七月', '7月'))
# MONTHS[7].extend(('八月', '8月'))
# MONTHS[8].extend(('九月', '9月'))
# MONTHS[9].extend(('十月', '10月'))
# MONTHS[10].extend(('十一月', '11月'))
# MONTHS[11].extend(('十二月', '12月'))
# MONTHS = [tuple(months) for months in MONTHS]
HMS = [list(hms) for hms in parser.parserinfo.HMS]
HMS[0].extend('时点')
HMS[1].append('')
HMS[2].append('')
HMS = [tuple(hms) for hms in HMS]
AMPM = [list(ampm) for ampm in parser.parserinfo.AMPM]
AMPM[0].append('上午')
AMPM[1].append('下午')
AMPM = [tuple(ampm) for ampm in AMPM]
def __init__(self, dayfirst=False, yearfirst=False):
super().__init__(dayfirst, yearfirst)
def utctimestamp():
"""
@return: utc时间戳
"""
return int(datetime.datetime.utcnow().timestamp())
def timestamp2datetime(ts: float):
return datetime.datetime.fromtimestamp(ts)
def timestamp2str(ts: float, fmt: str = '%F %H:%M:%S'):
"""
@param ts: timestamp
@param fmt: format
"""
return datetime.datetime.strftime(timestamp2datetime(ts), fmt)
cnparser = cnparserinfo()
def str2datetime(datetime_str: str, fmt: str = None):
if fmt:
return datetime.datetime.strptime(datetime_str, fmt)
return parser.parse(datetime_str, cnparser)
def int2date(date_int: int):
return str2datetime(str(date_int), '%Y%m%d')
def date2int(a: typing.Union[datetime.datetime, datetime.date]):
return int(a.strftime('%Y%m%d'))