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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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Conflicts:
sleekxmpp/clientxmpp.py
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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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Conflicts:
sleekxmpp/clientxmpp.py
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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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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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Required fixing a few bugs in StanzaBase related to iterable
substanzas.
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Can now be used as so:
>>> msg['chat_state']
''
>>> msg
<message />
>>> msg['chat_state'] = 'paused'
>>> msg
<message>
<paused xmlns="http://jabber.org/protocol/chatstates" />
</message>
>>> msg['chat_state']
'paused'
>>> del msg['chat_state']
>>> msg
<message />
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Conflicts:
sleekxmpp/xmlstream/stanzabase.py
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This allows exceptions to include the original
content of a stanza in the error response by including
the parameter clear=False when raising the exception.
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Will now always show top-level namespace, unless it is the same
as the stream's default namespace. Also added the XMPP stream
namespace to the namespace map as 'stream'.
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Contributed by Erik Reuterborg Larsson (who).
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May now use sys.excepthook to catch exceptions
from threaded handlers.
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Now with dynamic node handling goodness.
Some things are not quite working yet, in particular:
set_items
set_info
set_identities
set_features
And still need more unit tests to round things out.
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Support is only for adding literal XML content
to stanzas. Full support for things like multiple
message bodies with different xml:lang values is
still in the works.
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