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Begin experiment with a centralized API callback registry.

Browse Source 
The API registry generalizes the node handler system from the xep_0030
plugin so that other plugins can use it.
This commit is contained in:
Lance Stout
2012-03-30 23:02:48 -07:00
parent 51e5aee830
commit 488f7ed886
6 changed files with 260 additions and 97 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
sleekxmpp/plugins/base.py
View File

@@ -269,6 +269,7 @@ class BasePlugin(object):
def __init__(self, xmpp, config=None):
self.xmpp = xmpp
self.api = self.xmpp.api.wrap(self.name)
#: A plugin's behaviour may be configurable, in which case those
#: configuration settings will be provided as a dictionary.

125
sleekxmpp/plugins/xep_0030/disco.py
View File

@@ -118,16 +118,13 @@ class XEP_0030(BasePlugin):
'del_item', 'del_identities', 'del_features', 'cache_info',
'get_cached_info', 'supports', 'has_identity']
self.default_handlers = {}
self._handlers = {}
for op in self._disco_ops:
self._add_disco_op(op, getattr(self.static, op))
self.api.register(getattr(self.static, op), op)
self.api.register_default(getattr(self.static, op), op)
def _add_disco_op(self, op, default_handler):
self.default_handlers[op] = default_handler
self._handlers[op] = {'global': default_handler,
'jid': {},
'node': {}}
self.api.register(default_handler, op)
self.api.register_default(default_handler, op)
def set_node_handler(self, htype, jid=None, node=None, handler=None):
"""
@@ -173,20 +170,7 @@ class XEP_0030(BasePlugin):
assumed.
handler -- The handler function to use.
"""
if htype not in self._disco_ops:
return
if jid is None and node is None:
self._handlers[htype]['global'] = handler
elif node is None:
self._handlers[htype]['jid'][jid] = handler
elif jid is None:
if self.xmpp.is_component:
jid = self.xmpp.boundjid.full
else:
jid = self.xmpp.boundjid.bare
self._handlers[htype]['node'][(jid, node)] = handler
else:
self._handlers[htype]['node'][(jid, node)] = handler
self.api.register(handler, htype, jid, node)
def del_node_handler(self, htype, jid, node):
"""
@@ -209,7 +193,7 @@ class XEP_0030(BasePlugin):
jid -- The JID from which to remove the handler.
node -- The node from which to remove the handler.
"""
self.set_node_handler(htype, jid, node, None)
self.api.unregister(htype, jid, node)
def restore_defaults(self, jid=None, node=None, handlers=None):
"""
@@ -232,8 +216,7 @@ class XEP_0030(BasePlugin):
if handlers is None:
handlers = self._disco_ops
for op in handlers:
self.del_node_handler(op, jid, node)
self.set_node_handler(op, jid, node, self.default_handlers[op])
self.api.restore_default(op, jid, node)
def supports(self, jid=None, node=None, feature=None, local=False,
cached=True, ifrom=None):
@@ -266,7 +249,7 @@ class XEP_0030(BasePlugin):
data = {'feature': feature,
'local': local,
'cached': cached}
return self._run_node_handler('supports', jid, node, ifrom, data)
return self.api['supports'](jid, node, ifrom, data)
def has_identity(self, jid=None, node=None, category=None, itype=None,
lang=None, local=False, cached=True, ifrom=None):
@@ -303,7 +286,7 @@ class XEP_0030(BasePlugin):
'lang': lang,
'local': local,
'cached': cached}
return self._run_node_handler('has_identity', jid, node, ifrom, data)
return self.api['has_identity'](jid, node, ifrom, data)
def get_info(self, jid=None, node=None, local=False,
cached=None, **kwargs):
@@ -355,16 +338,18 @@ class XEP_0030(BasePlugin):
if local or jid in (None, ''):
log.debug("Looking up local disco#info data " + \
"for %s, node %s.", jid, node)
info = self._run_node_handler('get_info',
jid, node, kwargs.get('ifrom', None), kwargs)
info = self.api['get_info'](jid, node,
kwargs.get('ifrom', None),
kwargs)
info = self._fix_default_info(info)
return self._wrap(kwargs.get('ifrom', None), jid, info)
if cached:
log.debug("Looking up cached disco#info data " + \
"for %s, node %s.", jid, node)
info = self._run_node_handler('get_cached_info',
jid, node, kwargs.get('ifrom', None), kwargs)
info = self.api['get_cached_info'](jid, node,
kwargs.get('ifrom', None),
kwargs)
if info is not None:
return self._wrap(kwargs.get('ifrom', None), jid, info)
@@ -385,7 +370,7 @@ class XEP_0030(BasePlugin):
"""
if isinstance(info, Iq):
info = info['disco_info']
self._run_node_handler('set_info', jid, node, None, info)
self.api['set_info'](jid, node, None, info)
def get_items(self, jid=None, node=None, local=False, **kwargs):
"""
@@ -419,8 +404,9 @@ class XEP_0030(BasePlugin):
Otherwise the parameter is ignored.
"""
if local or jid is None:
items = self._run_node_handler('get_items',
jid, node, kwargs.get('ifrom', None), kwargs)
items = self.api['get_items'](jid, node,
kwargs.get('ifrom', None),
kwargs)
return self._wrap(kwargs.get('ifrom', None), jid, items)
iq = self.xmpp.Iq()
@@ -448,7 +434,7 @@ class XEP_0030(BasePlugin):
node -- Optional node to modify.
items -- A series of items in tuple format.
"""
self._run_node_handler('set_items', jid, node, None, kwargs)
self.api['set_items'](jid, node, None, kwargs)
def del_items(self, jid=None, node=None, **kwargs):
"""
@@ -458,7 +444,7 @@ class XEP_0030(BasePlugin):
jid -- The JID to modify.
node -- Optional node to modify.
"""
self._run_node_handler('del_items', jid, node, None, kwargs)
self.api['del_items'](jid, node, None, kwargs)
def add_item(self, jid='', name='', node=None, subnode='', ijid=None):
"""
@@ -479,7 +465,7 @@ class XEP_0030(BasePlugin):
kwargs = {'ijid': jid,
'name': name,
'inode': subnode}
self._run_node_handler('add_item', ijid, node, None, kwargs)
self.api['add_item'](ijid, node, None, kwargs)
def del_item(self, jid=None, node=None, **kwargs):
"""
@@ -491,7 +477,7 @@ class XEP_0030(BasePlugin):
ijid -- The item's JID.
inode -- The item's node.
"""
self._run_node_handler('del_item', jid, node, None, kwargs)
self.api['del_item'](jid, node, None, kwargs)
def add_identity(self, category='', itype='', name='',
node=None, jid=None, lang=None):
@@ -518,7 +504,7 @@ class XEP_0030(BasePlugin):
'itype': itype,
'name': name,
'lang': lang}
self._run_node_handler('add_identity', jid, node, None, kwargs)
self.api['add_identity'](jid, node, None, kwargs)
def add_feature(self, feature, node=None, jid=None):
"""
@@ -530,7 +516,7 @@ class XEP_0030(BasePlugin):
jid -- The JID to modify.
"""
kwargs = {'feature': feature}
self._run_node_handler('add_feature', jid, node, None, kwargs)
self.api['add_feature'](jid, node, None, kwargs)
def del_identity(self, jid=None, node=None, **kwargs):
"""
@@ -544,7 +530,7 @@ class XEP_0030(BasePlugin):
name -- Optional, human readable name for the identity.
lang -- Optional, the identity's xml:lang value.
"""
self._run_node_handler('del_identity', jid, node, None, kwargs)
self.api['del_identity'](jid, node, None, kwargs)
def del_feature(self, jid=None, node=None, **kwargs):
"""
@@ -555,7 +541,7 @@ class XEP_0030(BasePlugin):
node -- The node to modify.
feature -- The feature's namespace.
"""
self._run_node_handler('del_feature', jid, node, None, kwargs)
self.api['del_feature'](jid, node, None, kwargs)
def set_identities(self, jid=None, node=None, **kwargs):
"""
@@ -570,7 +556,7 @@ class XEP_0030(BasePlugin):
identities -- A set of identities in tuple form.
lang -- Optional, xml:lang value.
"""
self._run_node_handler('set_identities', jid, node, None, kwargs)
self.api['set_identities'](jid, node, None, kwargs)
def del_identities(self, jid=None, node=None, **kwargs):
"""
@@ -585,7 +571,7 @@ class XEP_0030(BasePlugin):
lang -- Optional. If given, only remove identities
using this xml:lang value.
"""
self._run_node_handler('del_identities', jid, node, None, kwargs)
self.api['del_identities'](jid, node, None, kwargs)
def set_features(self, jid=None, node=None, **kwargs):
"""
@@ -597,7 +583,7 @@ class XEP_0030(BasePlugin):
node -- The node to modify.
features -- The new set of supported features.
"""
self._run_node_handler('set_features', jid, node, None, kwargs)
self.api['set_features'](jid, node, None, kwargs)
def del_features(self, jid=None, node=None, **kwargs):
"""
@@ -607,7 +593,7 @@ class XEP_0030(BasePlugin):
jid -- The JID to modify.
node -- The node to modify.
"""
self._run_node_handler('del_features', jid, node, None, kwargs)
self.api['del_features'](jid, node, None, kwargs)
def _run_node_handler(self, htype, jid, node=None, ifrom=None, data={}):
"""
@@ -620,39 +606,7 @@ class XEP_0030(BasePlugin):
node -- The node requested.
data -- Optional, custom data to pass to the handler.
"""
if isinstance(jid, JID):
jid = jid.full
if jid in (None, ''):
if self.xmpp.is_component:
jid = self.xmpp.boundjid.full
else:
jid = self.xmpp.boundjid.bare
if node is None:
node = ''
try:
args = (jid, node, ifrom, data)
if self._handlers[htype]['node'].get((jid, node), False):
return self._handlers[htype]['node'][(jid, node)](*args)
elif self._handlers[htype]['jid'].get(jid, False):
return self._handlers[htype]['jid'][jid](*args)
elif self._handlers[htype]['global']:
return self._handlers[htype]['global'](*args)
else:
return None
except TypeError:
# To preserve backward compatibility, drop the ifrom parameter
# for existing handlers that don't understand it.
args = (jid, node, data)
if self._handlers[htype]['node'].get((jid, node), False):
return self._handlers[htype]['node'][(jid, node)](*args)
elif self._handlers[htype]['jid'].get(jid, False):
return self._handlers[htype]['jid'][jid](*args)
elif self._handlers[htype]['global']:
return self._handlers[htype]['global'](*args)
else:
return None
return self.api[htype](jid, node, ifrom, data)
def _handle_disco_info(self, iq):
"""
@@ -671,11 +625,10 @@ class XEP_0030(BasePlugin):
jid = iq['to'].full
else:
jid = iq['to'].bare
info = self._run_node_handler('get_info',
jid,
iq['disco_info']['node'],
iq['from'],
iq)
info = self.api['get_info'](jid,
iq['disco_info']['node'],
iq['from'],
iq)
if isinstance(info, Iq):
info.send()
else:
@@ -694,8 +647,7 @@ class XEP_0030(BasePlugin):
ito = iq['to'].full
else:
ito = None
self._run_node_handler('cache_info',
iq['from'].full,
self.api['cache_info'](iq['from'].full,
iq['disco_info']['node'],
ito,
iq)
@@ -717,8 +669,7 @@ class XEP_0030(BasePlugin):
jid = iq['to'].full
else:
jid = iq['to'].bare
items = self._run_node_handler('get_items',
jid,
items = self.api['get_items'](jid,
iq['disco_items']['node'],
iq['from'].full,
iq)

14
sleekxmpp/plugins/xep_0115/caps.py
View File

@@ -78,7 +78,9 @@ class XEP_0115(BasePlugin):
self.static = StaticCaps(self.xmpp, disco.static)
for op in self._disco_ops:
disco._add_disco_op(op, getattr(self.static, op))
self.api.register(getattr(self.static, op), 'xep_0115', op)
self.api.register_default(getattr(self.static, op),
'xep_0115', op)
self._run_node_handler = disco._run_node_handler
@@ -279,19 +281,19 @@ class XEP_0115(BasePlugin):
jid = self.xmpp.boundjid.full
if isinstance(jid, JID):
jid = jid.full
return self._run_node_handler('get_verstring', jid)
return self.api['get_verstring'](jid)
def assign_verstring(self, jid=None, verstring=None):
if jid in (None, ''):
jid = self.xmpp.boundjid.full
if isinstance(jid, JID):
jid = jid.full
return self._run_node_handler('assign_verstring', jid,
data={'verstring': verstring})
return self.api['assign_verstring'](jid, args={
'verstring': verstring})
def cache_caps(self, verstring=None, info=None):
data = {'verstring': verstring, 'info': info}
return self._run_node_handler('cache_caps', None, None, data=data)
return self.api['cache_caps'](args=data)
def get_caps(self, jid=None, verstring=None):
if verstring is None:
@@ -302,4 +304,4 @@ class XEP_0115(BasePlugin):
if isinstance(jid, JID):
jid = jid.full
data = {'verstring': verstring}
return self._run_node_handler('get_caps', jid, None, None, data)
return self.api['get_caps'](jid, args=data)

9
sleekxmpp/plugins/xep_0128/extended_disco.py
View File

@@ -61,7 +61,8 @@ class XEP_0128(BasePlugin):
self.disco.del_extended_info = self.del_extended_info
for op in self._disco_ops:
self.disco._add_disco_op(op, getattr(self.static, op))
self.api.register(getattr(self.static, op), op)
self.api.register_default(getattr(self.static, op), op)
def set_extended_info(self, jid=None, node=None, **kwargs):
"""
@@ -76,7 +77,7 @@ class XEP_0128(BasePlugin):
as extended information, replacing any
existing extensions.
"""
self.disco._run_node_handler('set_extended_info', jid, node, None, kwargs)
self.api['set_extended_info'](jid, node, None, kwargs)
def add_extended_info(self, jid=None, node=None, **kwargs):
"""
@@ -88,7 +89,7 @@ class XEP_0128(BasePlugin):
data -- Either a form, or a list of forms to add
as extended information.
"""
self.disco._run_node_handler('add_extended_info', jid, node, None, kwargs)
self.api['add_extended_info'](jid, node, None, kwargs)
def del_extended_info(self, jid=None, node=None, **kwargs):
"""
@@ -98,4 +99,4 @@ class XEP_0128(BasePlugin):
jid -- The JID to modify.
node -- The node to modify.
"""
self.disco._run_node_handler('del_extended_info', jid, node, None, kwargs)
self.api['del_extended_info'](jid, node, None, kwargs)