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The error bubbles through the event processing loop, breaking it and
hanging the application.
Instead, there is now a .exception(e) method on XMLStream which may
be overridden or reassigned that will receive all unhandled exceptions
(read: not XMPPError) from event and stream handlers.
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If a stanza handler raised an exception, the exception was processed
and replied by the modified stanza, not a stanza with the original
content.
A copy is now made before handler processing, and if an exception occurs
it is the copy that processes the exception using the original content.
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Caused by same issue of a JID being in the roster, but with an
incomplete entry.
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If the roster contained a JID, but not any resource presence data, then
an error would occur when accessing self.roster[jid]['presence'].
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For now, session_end is the same as disconnected, but once support is
added later for stream management, the two events will become distinct.
Plugins should add handlers for session_end for cleaning any session
state.
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A little extra bit of docs for IqError.
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Provides IqTimeout and IqError which are raised when an Iq response
does not arrive in time, or it arrives with type='error'.
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The stanza will be sent first once the send queue is reactivated
after session start.
Stanzas sent by skipping the queue will not be cached.
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Backoff was only being done for the initial connection attempt
before. Now any reconnection will start with a minimum 1 sec
delay which will approximately double between attempts.
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The syntax and attribute errors raised during a disconnect/reconnect
attempt are now caught and produce nicer log messages.
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Use the parameter now=True to skip the queue when
sending Iq stanzas, or using xmpp.send().
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Delay will approximately double between attempts (random variation).
See issue #67.
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Python2.6 has issues passing a Unicode string as a keyword name.
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A better method than using time.sleep is needed.
Maybe use queue.task_done to detect when event processing
has ended? Research time!
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JIDs with Unicode values were being encoded by the JID class
instead of leaving them as just Unicode strings.
It may still be a good idea to use
from __future__ import unicode_literals
pretty much everywhere though.
Fixes issue #88.
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See issue #89
Using get_roster will now return the same types of values as
Iq.send. If a timeout occurs, then the event 'roster_timeout'
will be fired. A successful call to get_roster will also
raise the 'roster_received' event.
To ensure that the get_roster call was successful, here
is a pattern to follow:
def __init__(self, ...):
...
self.add_event_handler('session_start', self.session_start)
self.add_event_handler('roster_timeout', self.roster_timeout)
self.add_event_handler('roster_received', self.roster_received)
def session_start(self, e):
self.send_presence()
self.get_roster()
def roster_timeout(self, e):
# Optionally increase the timeout period
self.get_roster(timeout=self.response_timeout * 2)
def roster_received(self, iq):
# Do stuff, roster has been initialized.
...
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Since the XEP-0086 plugin auto adds error code values,
it must be reliably loaded or unloaded when certain tests
are run so that stanzas may be matched. In this case, we
ensure that the plugin is used.
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Use: self.send(None)
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May now use sleekxmpp.__version__ and sleekxmpp.__version_info__.
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Since camelcase names are aliased to the underscored name at startup,
if the underscored version is replaced later, the camelCase name does
not reflect the change.
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Each interface, say foo, may be overridden in three ways:
set_foo
get_foo
del_foo
To declare an override in a plugin, add the class field
overrides as so:
overrides = ['set_foo', 'del_foo']
Each override must have a matching set_foo(), etc method
for implementing the new behaviour.
To enable the overrides for a particular parent stanza,
pass the option overrides=True to register_stanza_plugin.
register_stanza_plugin(Stanza, Plugin, overrides=True)
Example code:
class Test(ElementBase):
name = 'test'
namespace = 'testing'
interfaces = set(('foo', 'bar'))
sub_interfaces = set(('bar',))
class TestOverride(ElementBase):
name = 'test-override'
namespace = 'testing'
plugin_attrib = 'override'
interfaces = set(('foo',))
overrides = ['set_foo']
def setup(self, xml):
# Don't include an XML element in the parent stanza
# since we're adding just an attribute.
# If adding a regular subelement, no need to do this.
self.xml = ET.Element('')
def set_foo(self, value):
print("overrides!")
self.parent()._set_attr('foo', 'override-%s' % value)
register_stanza_plugin(Test, TestOverride, overrides=True)
Example usage:
>>> t = TestStanza()
>>> t['foo'] = 'bar'
>>> t['foo']
'override-bar'
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Backward incompatibility alert!
Please see examples/adhoc_provider.py for how to use the new
plugin implementation, or the test examples in the files
tests/test_stream_xep_0050.py and tests/test_stanza_xep_0050.py.
Major changes:
- May now have zero-step commands. Useful if a command is
intended to be a dynamic status report that doesn't
require any user input.
- May use payloads other than data forms, such as a
completely custom stanza type.
- May include multiple payload items, such as multiple
data forms, or a form and a custom stanza type.
- Includes a command user API for calling adhoc commands
on remote agents and managing the workflow.
- Added support for note elements.
Todo:
- Add prev action support.
You may use register_plugin('old_0050') to continue using the
previous XEP-0050 implementation.
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Now timeouts at 0.5sec instead of 0.1sec, which should prevent test
failures from stanzas being delayed longer than usual.
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Only 11 plugins left to tidy before 1.0!
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Required fixing a few bugs in StanzaBase related to iterable
substanzas.
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