-
Notifications
You must be signed in to change notification settings - Fork 0
/
time_util.py
148 lines (98 loc) · 4.07 KB
/
time_util.py
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
# coding=utf8
"""
time util.
"""
__author__ = 'didicout <[email protected]>'
import time
import datetime
def date_str_2_stamp(date_str, millisecond=False):
if millisecond:
return int(time.mktime(time.strptime(date_str, '%Y-%m-%d'))) * 1000
else:
return int(time.mktime(time.strptime(date_str, '%Y-%m-%d')))
def time_str_2_stamp(time_str, millisecond=False):
if millisecond:
return int(time.mktime(time.strptime(time_str, '%Y-%m-%d %H:%M:%S'))) * 1000
else:
return int(time.mktime(time.strptime(time_str, '%Y-%m-%d %H:%M:%S')))
def datetime_var_2_stamp(datetime_var, millisecond=False):
if millisecond:
return int(time.mktime(datetime_var.timetuple())) * 1000
else:
return int(time.mktime(datetime_var.timetuple()))
def time_var_2_stamp(time_var, millisecond=False):
time_var = standardize_time(time_var)
if millisecond:
return int(time_var) * 1000
else:
return int(time_var)
def stamp_2_date_str(stamp, millisecond=False):
if millisecond:
stamp /= 1000
return time.strftime('%Y-%m-%d', time.localtime(stamp))
def stamp_2_datetime_str(stamp, millisecond=False):
if millisecond:
stamp /= 1000
return time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(stamp))
def time_str_2_date_str(time_str):
return stamp_2_date_str(time_str_2_stamp(time_str))
def datetime_2_date_str(datetime_var):
return stamp_2_date_str(datetime_var_2_stamp(datetime_var))
def time_2_date_str(time_var):
return stamp_2_date_str(time_var_2_stamp(time_var))
def time_2_datetime_str(time_var):
return stamp_2_datetime_str(time_var_2_stamp(time_var))
def time_minus_by_str(time_str1, time_str2):
return int(time.mktime(standardize_time(time_str1)) - time.mktime(standardize_time(time_str2)))
def date_range(date_str1, date_str2, step=1):
ret = []
step_seconds = 3600 * 24 * step
for i in range(date_str_2_stamp(date_str1), date_str_2_stamp(date_str2) + 1, step_seconds):
ret.append(stamp_2_date_str(i))
return ret
def get_monday_str(date_str):
datetime_var = datetime.datetime.strptime(date_str, '%Y-%m-%d')
monday = datetime_var - datetime.timedelta(days=datetime_var.weekday())
return datetime_2_date_str(monday)
def get_month_first_day_str(date_str):
datetime_var = datetime.datetime.strptime(date_str, '%Y-%m-%d')
first_day = datetime_var - datetime.timedelta(days=datetime_var.day - 1)
return datetime_2_date_str(first_day)
def get_today_str():
return datetime.date.today().strftime('%Y-%m-%d')
def get_yesterday_str():
return (datetime.date.today() - datetime.timedelta(days=1)).strftime('%Y-%m-%d')
def get_yesterday_str_by_date_str(date_str):
stamp = date_str_2_stamp(date_str) - 24 * 3600
return stamp_2_date_str(stamp)
def get_tomorrow_str():
return (datetime.date.today() + datetime.timedelta(days=1)).strftime('%Y-%m-%d')
def day_minus_by_date_str(date_str1, date_str2):
tmp = date_str1.split('-')
a = datetime.datetime(int(tmp[0]), int(tmp[1]), int(tmp[2]))
tmp = date_str2.split('-')
b = datetime.datetime(int(tmp[0]), int(tmp[1]), int(tmp[2]))
return (a-b).days
def get_stamp_of_week(stamp, millisecond=False):
"""
get the stamp of monday morning of the week
取时间戳stamp所在周周一00：00：00的时间戳
"""
date_str = stamp_2_date_str(stamp, millisecond)
monday_str = get_monday_str(date_str)
return date_str_2_stamp(monday_str, millisecond)
def get_stamp_of_month(stamp, millisecond=False):
"""
get the stamp of the first day morning of the month
取时间戳stamp所在月1号0点的时间戳
"""
date_str = stamp_2_date_str(stamp, millisecond)
first_day = get_month_first_day_str(date_str)
return date_str_2_stamp(first_day, millisecond)
def standardize_time(time_var):
"""
avoid error when time has a time zone.
"""
return time.strptime(datetime.datetime.strftime(time_var, '%Y-%m-%d %H:%M:%S'), '%Y-%m-%d %H:%M:%S')
if __name__ == '__main__':
print get_yesterday_str_by_date_str('2014-05-01')