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Diffstat (limited to 'sleekxmpp/xmlstream/matcher/xpath.py')
| -rw-r--r-- | sleekxmpp/xmlstream/matcher/xpath.py | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/sleekxmpp/xmlstream/matcher/xpath.py b/sleekxmpp/xmlstream/matcher/xpath.py deleted file mode 100644 index 669c9f1..0000000 --- a/sleekxmpp/xmlstream/matcher/xpath.py +++ /dev/null @@ -1,79 +0,0 @@ -""" - SleekXMPP: The Sleek XMPP Library - Copyright (C) 2010 Nathanael C. Fritz - This file is part of SleekXMPP. - - See the file LICENSE for copying permission. -""" - -from sleekxmpp.xmlstream.stanzabase import ET -from sleekxmpp.xmlstream.matcher.base import MatcherBase - - -# Flag indicating if the builtin XPath matcher should be used, which -# uses namespaces, or a custom matcher that ignores namespaces. -# Changing this will affect ALL XPath matchers. -IGNORE_NS = False - - -class MatchXPath(MatcherBase): - - """ - The XPath matcher selects stanzas whose XML contents matches a given - XPath expression. - - Note that using this matcher may not produce expected behavior when using - attribute selectors. For Python 2.6 and 3.1, the ElementTree find method - does not support the use of attribute selectors. If you need to support - Python 2.6 or 3.1, it might be more useful to use a StanzaPath matcher. - - If the value of IGNORE_NS is set to true, then XPath expressions will - be matched without using namespaces. - - Methods: - match -- Overrides MatcherBase.match. - """ - - def match(self, xml): - """ - Compare a stanza's XML contents to an XPath expression. - - If the value of IGNORE_NS is set to true, then XPath expressions - will be matched without using namespaces. - - Note that in Python 2.6 and 3.1 the ElementTree find method does - not support attribute selectors in the XPath expression. - - Arguments: - xml -- The stanza object to compare against. - """ - if hasattr(xml, 'xml'): - xml = xml.xml - x = ET.Element('x') - x.append(xml) - - if not IGNORE_NS: - # Use builtin, namespace respecting, XPath matcher. - if x.find(self._criteria) is not None: - return True - return False - else: - # Remove namespaces from the XPath expression. - criteria = [] - for ns_block in self._criteria.split('{'): - criteria.extend(ns_block.split('}')[-1].split('/')) - - # Walk the XPath expression. - xml = x - for tag in criteria: - if not tag: - # Skip empty tag name artifacts from the cleanup phase. - continue - - children = [c.tag.split('}')[-1] for c in xml.getchildren()] - try: - index = children.index(tag) - except ValueError: - return False - xml = xml.getchildren()[index] - return True |
