1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
# encoding: utf-8
import calendar
import time
from datetime import datetime
import pytz
YMDHMS_FORMAT = "%Y-%m-%d %H:%M:%S"
YMDHMS_FORMAT_ZONE8 = "%Y-%m-%d %H:%M:%S+8:00"
YMD_FORMAT = "%Y-%m-%d"
HMS_FORMAT = "%H:%M:%S"
YMD_SIMPLE = "%Y%m%d"
YMD = "%Y.%m.%d"
YMDHM_CN = "%Y年%m月%d日 %H:%M"
tz_sh = pytz.timezone('Asia/Shanghai')
def str2dt(datetime_str, time_format):
return datetime.strptime(datetime_str, time_format)
def dt2str(date_time, time_format):
return date_time.strftime(time_format)
def ts_second_2str(ts_second, time_format):
return ts_second_to_dt(ts_second).strftime(time_format)
def ts_mills_2str(ts_mills, time_format):
return ts_second_2str(ts_mills / 1000, time_format)
def dt2ts_mills(date_time):
return int(time.mktime(date_time.timetuple())) * 1000
def ts_second_to_dt(ts_second):
return datetime.fromtimestamp(ts_second)
def ts_mills_to_dt(ts_mills):
return datetime.fromtimestamp(ts_mills / 1000)
def dt2ts_second(dt):
"""
时间转换为时间戳（单位秒）
"""
return int(time.mktime(dt.timetuple()))
def now():
""" 上海时区当前时间 """
return datetime.now(tz_sh).replace(tzinfo=None)
def now_str(time_format):
return dt2str(now(), time_format)
def now_ts_second():
return dt2ts_second(now())
def now_ts_mills():
return dt2ts_mills(now())
def get_run_time(args):
import datetime
run_time = (datetime.datetime.now() - datetime.timedelta(minutes=args)).strftime("%Y-%m-%d %H:%M:%S")
return run_time
# def get_current_week():
# """
# 给定一个日期-返回日期所在周的周一0点时间 和 周日23点59分59秒
# :param date_str: 如："2020-05-01"
# :return: 给定一个日期-返回日期所在周的周一0点时间 和 周日23点59分59秒
# """
# import datetime
# monday, sunday = datetime.date.today(), datetime.date.today()
# one_day = datetime.timedelta(days=1)
# while monday.weekday() != 0:
# monday -= one_day
# while sunday.weekday() != 6:
# sunday += one_day
#
# week_dict = {
# 'monday': monday,
# 'sunday': sunday
# }
# return week_dict
def get_current_week(data_dt):
"""
给定一个日期-返回日期所在周的周一0点时间 和 周日23点59分59秒
:param date_str: 如："2020-05-01"
:return: 给定一个日期-返回日期所在周的周一0点时间 和 周日23点59分59秒
"""
import datetime
now_time = datetime.datetime.strptime(data_dt + " 00:00:00", "%Y-%m-%d %H:%M:%S")
monday = now_time - datetime.timedelta(days=now_time.weekday(), hours=now_time.hour,
minutes=now_time.minute, seconds=now_time.second,
microseconds=now_time.microsecond)
sunday = monday + datetime.timedelta(days=6, hours=23, minutes=59, seconds=59)
week_dict = {
'monday': monday,
'sunday': sunday
}
return week_dict
#
# def get_current_week(data_dt):
# """
# 给定一个日期-返回日期所在上周五的0点时间 和 本周四23点59分59秒
# :param date_str: 如："2020-05-01"
# :return: 给定一个日期-返回日期所在上周五的0点时间 和 本周四23点59分59秒
# """
# import datetime
# now_time = datetime.datetime.strptime(data_dt + " 00:00:00", "%Y-%m-%d %H:%M:%S")
# last_friday = now_time - datetime.timedelta(days=(now_time.weekday() + 3) % 7, hours=now_time.hour,
# minutes=now_time.minute, seconds=now_time.second,
# microseconds=now_time.microsecond)
# thursday = last_friday + datetime.timedelta(days=6, hours=23, minutes=59, seconds=59)
# week_dict = {
# 'last_friday': last_friday,
# 'thursday': thursday
# }
# return week_dict
# 获取周一至周日的日期
def get_monday_to_sunday(data_dt):
"""
获取周一至周日的日期
"""
import datetime
now_time = datetime.datetime.strptime(data_dt + " 00:00:00", "%Y-%m-%d %H:%M:%S")
monday = now_time - datetime.timedelta(days=(now_time.weekday()) % 7, hours=now_time.hour,
minutes=now_time.minute, seconds=now_time.second,
microseconds=now_time.microsecond)
sunday = monday + datetime.timedelta(days=6, hours=23, minutes=59, seconds=59)
week_dict = {
'monday': monday,
'sunday': sunday
}
return week_dict
# def get_current_week(data_dt):
# """
# 给定一个日期-返回日期所在上周六的0点时间 和 本周五23点59分59秒
# :param date_str: 如："2020-05-01"
# :return: 给定一个日期-返回日期所在上周六的0点时间 和 本周五23点59分59秒
# """
# import datetime
# now_time = datetime.datetime.strptime(data_dt + " 00:00:00", "%Y-%m-%d %H:%M:%S")
# last_saturday = now_time - datetime.timedelta(days=(now_time.weekday() + 2) % 7, hours=now_time.hour,
# minutes=now_time.minute, seconds=now_time.second,
# microseconds=now_time.microsecond)
# friday = last_saturday + datetime.timedelta(days=6, hours=23, minutes=59, seconds=59)
# week_dict = {
# 'last_saturday': last_saturday,
# 'friday': friday
# }
# return week_dict
def month_start_and_end(data_dt):
"""
年份 date(2017-09-08格式)
:param data_dt:
:return:本月第一天日期和本月最后一天日期
"""
if data_dt.count('-') != 2:
raise ValueError('- is error')
year, month = str(data_dt).split('-')[0], str(data_dt).split('-')[1]
end = calendar.monthrange(int(year), int(month))[1]
start_date = '%s-%s-01' % (year, month)
end_date = '%s-%s-%s' % (year, month, end)
month_dict = {
'start_date': start_date,
'end_date': end_date
}
return month_dict
if __name__ == "__main__":
print(now())
print(dt2str(now(), YMDHMS_FORMAT))
print(str2dt('2021-05-01', YMD_FORMAT))
print(get_monday_to_sunday('2021-08-23'))