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
|
# Copyright 2019 Lenovo Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from datetime import datetime
from datetime import timedelta
from dateutil import tz
def parse_time(timeval):
if timeval is None:
return None
try:
if '+' not in timeval and len(timeval.split('-')) <= 3:
retval = datetime.strptime(timeval, '%Y-%m-%dT%H:%M:%SZ')
return retval.replace(tzinfo=tz.tzutc())
except ValueError:
pass
try:
positive = None
offset = None
if '+' in timeval:
timeval, offset = timeval.split('+', 1)
positive = 1
elif len(timeval.split('-')) > 3:
timeval, offset = timeval.rsplit('-', 1)
positive = -1
if positive:
hrs, mins = offset.split(':', 1)
secs = int(hrs) * 60 + int(mins)
secs = secs * 60 * positive
ms = None
if '.' in timeval:
timeval, ms = timeval.split('.', 1)
ms = int(ms)
ms = timedelta(0, 0, 0, ms)
retval = datetime.strptime(timeval, '%Y-%m-%dT%H:%M:%S')
if ms:
retval += ms
return retval.replace(tzinfo=tz.tzoffset('', secs))
except ValueError:
pass
try:
return datetime.strptime(timeval, '%Y-%m-%dT%H:%M:%S')
except ValueError:
pass
try:
return datetime.strptime(timeval, '%Y-%m-%d')
except ValueError:
pass
try:
return datetime.strptime(timeval, '%m/%d/%Y')
except ValueError:
pass
return None
|
