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Updated ElementBase.__delitem__ and added unit tests.

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This commit is contained in:
Lance Stout
2010-08-19 19:11:12 -04:00
parent e4240dd593
commit fac3bca1f6
2 changed files with 79 additions and 14 deletions
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52
sleekxmpp/xmlstream/stanzabase.py
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@@ -269,6 +269,44 @@ class ElementBase(object):
self.plugins[attrib][attrib] = value
return self
def __delitem__(self, attrib):
"""
Delete the value of a stanza interface using dictionary-like syntax.
Example:
>>> msg['body'] = "Hi!"
>>> msg['body']
'Hi!'
>>> del msg['body']
>>> msg['body']
''
Stanza interfaces are typically mapped directly to the underlyig XML
object, but can be overridden by the presence of a delAttrib method
(or delFoo where the interface is named foo, etc).
The effect of deleting a stanza interface value named foo will be
one of:
1. Call delFoo, if it exists.
2. Delete foo element, if foo is in sub_interfaces.
3. Delete top level XML attribute named foo.
4. Remove the foo plugin, if it was loaded.
5. Do nothing.
"""
if attrib in self.interfaces:
del_method = "del%s" % attrib.title()
if hasattr(self, del_method):
getattr(self, del_method)()
else:
if attrib in self.sub_interfaces:
return self._delSub(attrib)
else:
self._delAttr(attrib)
elif attrib in self.plugin_attrib_map:
if attrib in self.plugins:
del self.plugins[attrib]
return self
@property
def attrib(self): #backwards compatibility
return self
@@ -352,20 +390,6 @@ class ElementBase(object):
def findall(self, xpath):
return self.xml.findall(xpath)
def __delitem__(self, attrib):
if attrib.lower() in self.interfaces:
if hasattr(self, "del%s" % attrib.title()):
getattr(self, "del%s" % attrib.title())()
else:
if attrib in self.sub_interfaces:
return self._delSub(attrib)
else:
self._delAttr(attrib)
elif attrib in self.plugin_attrib_map:
if attrib in self.plugins:
del self.plugins[attrib]
return self
def __eq__(self, other):
if not isinstance(other, ElementBase):
return False