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4375ac7d8b
Stanza objects now accept the use of underscored names. The CamelCase versions are still available for backwards compatibility, but are discouraged. The property stanza.values now maps to the old getStanzaValues and setStanzaValues, in addition to _set_stanza_values and _get_stanza_values.
141 lines
5.1 KiB
Python
141 lines
5.1 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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from sleekxmpp.xmlstream import ElementBase, ET, register_stanza_plugin
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class Error(ElementBase):
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"""
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XMPP stanzas of type 'error' should include an <error> stanza that
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describes the nature of the error and how it should be handled.
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Use the 'XEP-0086: Error Condition Mappings' plugin to include error
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codes used in older XMPP versions.
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Example error stanza:
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<error type="cancel" code="404">
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<item-not-found xmlns="urn:ietf:params:xml:ns:xmpp-stanzas" />
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<text xmlns="urn:ietf:params:xml:ns:xmpp-stanzas">
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The item was not found.
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</text>
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</error>
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Stanza Interface:
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code -- The error code used in older XMPP versions.
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condition -- The name of the condition element.
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text -- Human readable description of the error.
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type -- Error type indicating how the error should be handled.
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Attributes:
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conditions -- The set of allowable error condition elements.
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condition_ns -- The namespace for the condition element.
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types -- A set of values indicating how the error
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should be treated.
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Methods:
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setup -- Overrides ElementBase.setup.
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get_condition -- Retrieve the name of the condition element.
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set_condition -- Add a condition element.
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del_condition -- Remove the condition element.
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get_text -- Retrieve the contents of the <text> element.
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set_text -- Set the contents of the <text> element.
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del_text -- Remove the <text> element.
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"""
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namespace = 'jabber:client'
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name = 'error'
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plugin_attrib = 'error'
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interfaces = set(('code', 'condition', 'text', 'type'))
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sub_interfaces = set(('text',))
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conditions = set(('bad-request', 'conflict', 'feature-not-implemented',
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'forbidden', 'gone', 'internal-server-error',
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'item-not-found', 'jid-malformed', 'not-acceptable',
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'not-allowed', 'not-authorized', 'payment-required',
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'recipient-unavailable', 'redirect',
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'registration-required', 'remote-server-not-found',
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'remote-server-timeout', 'resource-constraint',
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'service-unavailable', 'subscription-required',
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'undefined-condition', 'unexpected-request'))
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condition_ns = 'urn:ietf:params:xml:ns:xmpp-stanzas'
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types = set(('cancel', 'continue', 'modify', 'auth', 'wait'))
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def setup(self, xml=None):
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"""
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Populate the stanza object using an optional XML object.
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Overrides ElementBase.setup.
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Sets a default error type and condition, and changes the
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parent stanza's type to 'error'.
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Arguments:
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xml -- Use an existing XML object for the stanza's values.
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"""
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# To comply with PEP8, method names now use underscores.
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# Deprecated method names are re-mapped for backwards compatibility.
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self.getCondition = self.get_condition
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self.setCondition = self.set_condition
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self.delCondition = self.del_condition
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self.getText = self.get_text
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self.setText = self.set_text
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self.delText = self.del_text
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if ElementBase.setup(self, xml):
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#If we had to generate XML then set default values.
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self['type'] = 'cancel'
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self['condition'] = 'feature-not-implemented'
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if self.parent is not None:
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self.parent()['type'] = 'error'
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def get_condition(self):
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"""Return the condition element's name."""
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for child in self.xml.getchildren():
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if "{%s}" % self.condition_ns in child.tag:
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return child.tag.split('}', 1)[-1]
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return ''
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def set_condition(self, value):
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"""
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Set the tag name of the condition element.
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Arguments:
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value -- The tag name of the condition element.
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"""
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if value in self.conditions:
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del self['condition']
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self.xml.append(ET.Element("{%s}%s" % (self.condition_ns, value)))
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return self
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def del_condition(self):
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"""Remove the condition element."""
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for child in self.xml.getchildren():
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if "{%s}" % self.condition_ns in child.tag:
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tag = child.tag.split('}', 1)[-1]
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if tag in self.conditions:
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self.xml.remove(child)
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return self
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def get_text(self):
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"""Retrieve the contents of the <text> element."""
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return self._get_sub_text('{%s}text' % self.condition_ns)
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def set_text(self, value):
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"""
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Set the contents of the <text> element.
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Arguments:
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value -- The new contents for the <text> element.
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"""
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self._set_sub_text('{%s}text' % self.condition_ns, text=value)
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return self
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def del_text(self):
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"""Remove the <text> element."""
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self._del_sub('{%s}text' % self.condition_ns)
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return self
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