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
197
198
199
200
201
202
203
204
|
"""
SleekXMPP: The Sleek XMPP Library
Copyright (C) 2011 Nathanael C. Fritz, Lance J.T. Stout
This file is part of SleekXMPP.
See the file LICENSE for copying permission.
"""
import datetime as dt
from dateutil import parser
from dateutil.tz import tzoffset, tzutc
from sleekxmpp.plugins.base import base_plugin
# =====================================================================
# To make it easier for stanzas without direct access to plugin objects
# to use the XEP-0082 utility methods, we will define them as top-level
# functions and then just reference them in the plugin itself.
def parse(time_str):
"""
Convert a string timestamp into a datetime object.
Arguments:
time_str -- A formatted timestamp string.
"""
return parser.parse(time_str)
def format_date(time_obj):
"""
Return a formatted string version of a date object.
Format:
YYYY-MM-DD
Arguments:
time_obj -- A date or datetime object.
"""
if isinstance(time_obj, dt.datetime):
time_obj = time_obj.date()
return time_obj.isoformat()
def format_time(time_obj):
"""
Return a formatted string version of a time object.
format:
hh:mm:ss[.sss][TZD
arguments:
time_obj -- A time or datetime object.
"""
if isinstance(time_obj, dt.datetime):
time_obj = time_obj.timetz()
timestamp = time_obj.isoformat()
if time_obj.tzinfo == tzutc():
timestamp = timestamp[:-6]
return '%sZ' % timestamp
return timestamp
def format_datetime(time_obj):
"""
Return a formatted string version of a datetime object.
Format:
YYYY-MM-DDThh:mm:ss[.sss]TZD
arguments:
time_obj -- A datetime object.
"""
timestamp = time_obj.isoformat('T')
if time_obj.tzinfo == tzutc():
timestamp = timestamp[:-6]
return '%sZ' % timestamp
return timestamp
def date(year=None, month=None, day=None):
"""
Create a date only timestamp for the given instant.
Unspecified components default to their current counterparts.
Arguments:
year -- Integer value of the year (4 digits)
month -- Integer value of the month
day -- Integer value of the day of the month.
"""
today = dt.datetime.today()
if year is None:
year = today.year
if month is None:
month = today.month
if day is None:
day = today.day
return format_date(dt.date(year, month, day))
def time(hour=None, min=None, sec=None, micro=None, offset=None):
"""
Create a time only timestamp for the given instant.
Unspecified components default to their current counterparts.
Arguments:
hour -- Integer value of the hour.
min -- Integer value of the number of minutes.
sec -- Integer value of the number of seconds.
micro -- Integer value of the number of microseconds.
offset -- Either a positive or negative number of seconds
to offset from UTC to match a desired timezone,
or a tzinfo object.
"""
now = dt.datetime.utcnow()
if hour is None:
hour = now.hour
if min is None:
min = now.minute
if sec is None:
sec = now.second
if micro is None:
micro = now.microsecond
if offset is None:
offset = tzutc()
elif not isinstance(offset, dt.tzinfo):
offset = tzoffset(None, offset)
time = dt.time(hour, min, sec, micro, offset)
return format_time(time)
def datetime(year=None, month=None, day=None, hour=None,
min=None, sec=None, micro=None, offset=None,
separators=True):
"""
Create a datetime timestamp for the given instant.
Unspecified components default to their current counterparts.
Arguments:
year -- Integer value of the year (4 digits)
month -- Integer value of the month
day -- Integer value of the day of the month.
hour -- Integer value of the hour.
min -- Integer value of the number of minutes.
sec -- Integer value of the number of seconds.
micro -- Integer value of the number of microseconds.
offset -- Either a positive or negative number of seconds
to offset from UTC to match a desired timezone,
or a tzinfo object.
"""
now = dt.datetime.utcnow()
if year is None:
year = now.year
if month is None:
month = now.month
if day is None:
day = now.day
if hour is None:
hour = now.hour
if min is None:
min = now.minute
if sec is None:
sec = now.second
if micro is None:
micro = now.microsecond
if offset is None:
offset = tzutc()
elif not isinstance(offset, dt.tzinfo):
offset = tzoffset(None, offset)
date = dt.datetime(year, month, day, hour,
min, sec, micro, offset)
return format_datetime(date)
class xep_0082(base_plugin):
"""
XEP-0082: XMPP Date and Time Profiles
XMPP uses a subset of the formats allowed by ISO 8601 as a matter of
pragmatism based on the relatively few formats historically used by
the XMPP.
Also see <http://www.xmpp.org/extensions/xep-0082.html>.
Methods:
date -- Create a time stamp using the Date profile.
datetime -- Create a time stamp using the DateTime profile.
time -- Create a time stamp using the Time profile.
format_date -- Format an existing date object.
format_datetime -- Format an existing datetime object.
format_time -- Format an existing time object.
parse -- Convert a time string into a Python datetime object.
"""
def plugin_init(self):
"""Start the XEP-0082 plugin."""
self.xep = '0082'
self.description = 'XMPP Date and Time Profiles'
self.date = date
self.datetime = datetime
self.time = time
self.format_date = format_date
self.format_datetime = format_datetime
self.format_time = format_time
self.parse = parse
|
