diff options
Diffstat (limited to 'sleekxmpp/xmlstream')
| -rw-r--r-- | sleekxmpp/xmlstream/matcher/stanzapath.py | 11 | ||||
| -rw-r--r-- | sleekxmpp/xmlstream/stanzabase.py | 88 |
2 files changed, 57 insertions, 42 deletions
diff --git a/sleekxmpp/xmlstream/matcher/stanzapath.py b/sleekxmpp/xmlstream/matcher/stanzapath.py index 61c5332c..a4c0fda0 100644 --- a/sleekxmpp/xmlstream/matcher/stanzapath.py +++ b/sleekxmpp/xmlstream/matcher/stanzapath.py @@ -10,6 +10,7 @@ """ from sleekxmpp.xmlstream.matcher.base import MatcherBase +from sleekxmpp.xmlstream.stanzabase import fix_ns class StanzaPath(MatcherBase): @@ -18,8 +19,16 @@ class StanzaPath(MatcherBase): The StanzaPath matcher selects stanzas that match a given "stanza path", which is similar to a normal XPath except that it uses the interfaces and plugins of the stanza instead of the actual, underlying XML. + + :param criteria: Object to compare some aspect of a stanza against. """ + def __init__(self, criteria): + self._criteria = fix_ns(criteria, split=True, + propagate_ns=False, + default_ns='jabber:client') + self._raw_criteria = criteria + def match(self, stanza): """ Compare a stanza against a "stanza path". A stanza path is similar to @@ -31,4 +40,4 @@ class StanzaPath(MatcherBase): :param stanza: The :class:`~sleekxmpp.xmlstream.stanzabase.ElementBase` stanza to compare against. """ - return stanza.match(self._criteria) + return stanza.match(self._criteria) or stanza.match(self._raw_criteria) diff --git a/sleekxmpp/xmlstream/stanzabase.py b/sleekxmpp/xmlstream/stanzabase.py index d1409706..dff8c997 100644 --- a/sleekxmpp/xmlstream/stanzabase.py +++ b/sleekxmpp/xmlstream/stanzabase.py @@ -77,6 +77,49 @@ def register_stanza_plugin(stanza, plugin, iterable=False, overrides=False): registerStanzaPlugin = register_stanza_plugin +def fix_ns(xpath, split=False, propagate_ns=True, default_ns=''): + """Apply the stanza's namespace to elements in an XPath expression. + + :param string xpath: The XPath expression to fix with namespaces. + :param bool split: Indicates if the fixed XPath should be left as a + list of element names with namespaces. Defaults to + False, which returns a flat string path. + :param bool propagate_ns: Overrides propagating parent element + namespaces to child elements. Useful if + you wish to simply split an XPath that has + non-specified namespaces, and child and + parent namespaces are known not to always + match. Defaults to True. + """ + fixed = [] + # Split the XPath into a series of blocks, where a block + # is started by an element with a namespace. + ns_blocks = xpath.split('{') + for ns_block in ns_blocks: + if '}' in ns_block: + # Apply the found namespace to following elements + # that do not have namespaces. + namespace = ns_block.split('}')[0] + elements = ns_block.split('}')[1].split('/') + else: + # Apply the stanza's namespace to the following + # elements since no namespace was provided. + namespace = default_ns + elements = ns_block.split('/') + + for element in elements: + if element: + # Skip empty entry artifacts from splitting. + if propagate_ns: + tag = '{%s}%s' % (namespace, element) + else: + tag = element + fixed.append(tag) + if split: + return fixed + return '/'.join(fixed) + + class ElementBase(object): """ @@ -760,7 +803,7 @@ class ElementBase(object): may be either a string or a list of element names with attribute checks. """ - if isinstance(xpath, str): + if not isinstance(xpath, list): xpath = self._fix_ns(xpath, split=True, propagate_ns=False) # Extract the tag name and attribute checks for the first XPath node. @@ -952,46 +995,9 @@ class ElementBase(object): return self def _fix_ns(self, xpath, split=False, propagate_ns=True): - """Apply the stanza's namespace to elements in an XPath expression. - - :param string xpath: The XPath expression to fix with namespaces. - :param bool split: Indicates if the fixed XPath should be left as a - list of element names with namespaces. Defaults to - False, which returns a flat string path. - :param bool propagate_ns: Overrides propagating parent element - namespaces to child elements. Useful if - you wish to simply split an XPath that has - non-specified namespaces, and child and - parent namespaces are known not to always - match. Defaults to True. - """ - fixed = [] - # Split the XPath into a series of blocks, where a block - # is started by an element with a namespace. - ns_blocks = xpath.split('{') - for ns_block in ns_blocks: - if '}' in ns_block: - # Apply the found namespace to following elements - # that do not have namespaces. - namespace = ns_block.split('}')[0] - elements = ns_block.split('}')[1].split('/') - else: - # Apply the stanza's namespace to the following - # elements since no namespace was provided. - namespace = self.namespace - elements = ns_block.split('/') - - for element in elements: - if element: - # Skip empty entry artifacts from splitting. - if propagate_ns: - tag = '{%s}%s' % (namespace, element) - else: - tag = element - fixed.append(tag) - if split: - return fixed - return '/'.join(fixed) + return fix_ns(xpath, split=split, + propagate_ns=propagate_ns, + default_ns=self.namespace) def __eq__(self, other): """Compare the stanza object with another to test for equality. |