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a0767f6af6
Thus, using the XEP-0082 and XEP-0202 introduces a dependency on the dateutil package (installable using pip install python-dateutil). Maybe we'll be able to rework how these plugins work to avoid needing dateutil, but for now this will have to do.
132 lines
3.7 KiB
Python
132 lines
3.7 KiB
Python
"""
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SleekXMPP: The Sleek XMPP Library
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Copyright (C) 2010 Nathanael C. Fritz
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This file is part of SleekXMPP.
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See the file LICENSE for copying permission.
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"""
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import logging
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import datetime as dt
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from sleekxmpp.xmlstream import ElementBase
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from sleekxmpp.plugins import xep_0082
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try:
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from dateutil.tz import tzutc
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except:
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log = logging.getLogger(__name__)
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log.warning("XEP-0202 plugin requies dateutil package")
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class EntityTime(ElementBase):
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"""
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The <time> element represents the local time for an XMPP agent.
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The time is expressed in UTC to make synchronization easier
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between entities, but the offset for the local timezone is also
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included.
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Example <time> stanzas:
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<iq type="result">
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<time xmlns="urn:xmpp:time">
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<utc>2011-07-03T11:37:12.234569</utc>
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<tzo>-07:00</tzo>
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</time>
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</iq>
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Stanza Interface:
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time -- The local time for the entity (updates utc and tzo).
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utc -- The UTC equivalent to local time.
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tzo -- The local timezone offset from UTC.
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Methods:
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get_time -- Return local time datetime object.
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set_time -- Set UTC and TZO fields.
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del_time -- Remove both UTC and TZO fields.
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get_utc -- Return datetime object of UTC time.
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set_utc -- Set the UTC time.
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get_tzo -- Return tzinfo object.
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set_tzo -- Set the local timezone offset.
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"""
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name = 'time'
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namespace = 'urn:xmpp:time'
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plugin_attrib = 'entity_time'
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interfaces = set(('tzo', 'utc', 'time'))
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sub_interfaces = interfaces
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def set_time(self, value):
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"""
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Set both the UTC and TZO fields given a time object.
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Arguments:
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value -- A datetime object or properly formatted
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string equivalent.
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"""
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date = value
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if not isinstance(value, dt.datetime):
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date = xep_0082.parse(value)
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self['utc'] = date
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self['tzo'] = date.tzinfo
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def get_time(self):
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"""
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Return the entity's local time based on the UTC and TZO data.
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"""
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date = self['utc']
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tz = self['tzo']
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return date.astimezone(tz)
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def del_time(self):
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"""Remove both the UTC and TZO fields."""
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del self['utc']
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del self['tzo']
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def get_tzo(self):
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"""
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Return the timezone offset from UTC as a tzinfo object.
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"""
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tzo = self._get_sub_text('tzo')
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if tzo == '':
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tzo = 'Z'
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time = xep_0082.parse('00:00:00%s' % tzo)
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return time.tzinfo
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def set_tzo(self, value):
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"""
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Set the timezone offset from UTC.
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Arguments:
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value -- Either a tzinfo object or the number of
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seconds (positive or negative) to offset.
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"""
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time = xep_0082.time(offset=value)
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if xep_0082.parse(time).tzinfo == tzutc():
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self._set_sub_text('tzo', 'Z')
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else:
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self._set_sub_text('tzo', time[-6:])
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def get_utc(self):
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"""
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Return the time in UTC as a datetime object.
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"""
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value = self._get_sub_text('utc')
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if value == '':
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return xep_0082.parse(xep_0082.datetime())
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return xep_0082.parse('%sZ' % value)
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def set_utc(self, value):
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"""
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Set the time in UTC.
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Arguments:
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value -- A datetime object or properly formatted
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string equivalent.
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"""
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date = value
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if not isinstance(value, dt.datetime):
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date = xep_0082.parse(value)
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date = date.astimezone(tzutc())
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value = xep_0082.format_datetime(date)[:-1]
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self._set_sub_text('utc', value)
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