Updated to final Attributes interface (patch 101632).

gustaebel · gustaebel · commit 32bf12eb8a58 · 2000-09-24T18:39:23.000Z
diff --git a/Lib/xml/sax/expatreader.py b/Lib/xml/sax/expatreader.py
@@ -20,6 +20,9 @@
 from xml.parsers import expat
 from xml.sax import xmlreader
 
+AttributesImpl = xmlreader.AttributesImpl
+AttributesNSImpl = xmlreader.AttributesNSImpl
+
 # --- ExpatParser
 
 class ExpatParser(xmlreader.IncrementalParser, xmlreader.Locator):
@@ -31,7 +34,6 @@ def __init__(self, namespaceHandling=0, bufsize=2**16-20):
         self._parser = None
         self._namespaces = namespaceHandling
         self._parsing = 0
-        self._attrs = xmlreader.AttributesImpl({}, {})
 
     # XMLReader methods
 
@@ -137,7 +139,7 @@ def getSystemId(self):
     
     # event handlers
     def start_element(self, name, attrs):
-        self._cont_handler.startElement(name, self._attrs)
+        self._cont_handler.startElement(name, AttributesImpl(attrs))
 
     def end_element(self, name):
         self._cont_handler.endElement(name)
@@ -147,12 +149,23 @@ def start_element_ns(self, name, attrs):
         if len(pair) == 1:
             pair = (None, name)
 
-        self._cont_handler.startElementNS(pair, None, self._attrs)
+        newattrs = {}
+        for (aname, value) in attrs.items():
+            apair = aname.split()
+            if len(apair) == 1:
+                apair = (None, aname)
+            else:
+                apair = tuple(apair)
+
+            newattrs[apair] = value
+
+        self._cont_handler.startElementNS(pair, None, 
+                                          AttributesNSImpl(newattrs, {}))
 
     def end_element_ns(self, name):
         pair = name.split()
         if len(pair) == 1:
-            name = (None, name)
+            pair = (None, name)
             
         self._cont_handler.endElementNS(pair, None)
 
diff --git a/Lib/xml/sax/xmlreader.py b/Lib/xml/sax/xmlreader.py
@@ -151,6 +151,7 @@ def reset(self):
         raise NotImplementedError("This method must be implemented!")
 
 # ===== LOCATOR =====
+
 class Locator:
     """Interface for associating a SAX event with a document
     location. A locator object will return valid results only during
@@ -173,11 +174,15 @@ def getSystemId(self):
         "Return the system identifier for the current event."
         return None
 
-# --- AttributesImpl
+# ===== ATTRIBUTESIMPL =====
+
 class AttributesImpl:
-    def __init__(self, attrs, rawnames):
+    
+    def __init__(self, attrs):
+        """Non-NS-aware implementation.
+
+        attrs should be of the form {name : value}."""
         self._attrs = attrs
-        self._rawnames = rawnames
 
     def getLength(self):
         return len(self._attrs)
@@ -189,16 +194,23 @@ def getValue(self, name):
         return self._attrs[name]
 
     def getValueByQName(self, name):
-        return self._attrs[self._rawnames[name]]
+        return self._attrs[name]
 
     def getNameByQName(self, name):
-        return self._rawnames[name]
-
+        if not self._attrs.has_key(name):
+            raise KeyError
+        return name
+
+    def getQNameByName(self, name):
+        if not self._attrs.has_key(name):
+            raise KeyError
+        return name        
+    
     def getNames(self):
         return self._attrs.keys()
 
     def getQNames(self):
-        return self._rawnames.keys()    
+        return self._attrs.keys()    
 
     def __len__(self):
         return len(self._attrs)
@@ -216,20 +228,54 @@ def get(self, name, alternative=None):
         return self._attrs.get(name, alternative)
 
     def copy(self):
-        return self.__class__(self._attrs, self._rawnames)
+        return self.__class__(self._attrs)
 
     def items(self):
         return self._attrs.items()
 
     def values(self):
         return self._attrs.values()
 
+# ===== ATTRIBUTESNSIMPL =====
+
+class AttributesNSImpl(AttributesImpl):
+    
+    def __init__(self, attrs, qnames):
+        """NS-aware implementation.
+
+        attrs should be of the form {(ns_uri, lname): value, ...}.
+        qnames of the form {(ns_uri, lname): qname, ...}."""
+        self._attrs = attrs
+        self._qnames = qnames
+
+    def getValueByQName(self, name):
+        for (nsname, qname) in self._qnames.items():
+            if qname == name:
+                return self._attrs[nsname]
+            
+        raise KeyError
+
+    def getNameByQName(self, name):
+        for (nsname, qname) in self._qnames.items():
+            if qname == name:
+                return nsname
+            
+        raise KeyError
+
+    def getQNameByName(self, name):
+        return self._qnames[name]
+    
+    def getQNames(self):
+        return self._qnames.values()
+
+    def copy(self):
+        return self.__class__(self._attrs, self._qnames)
+    
 
 def _test():
     XMLReader()
     IncrementalParser()
     Locator()
-    AttributesImpl()
 
 if __name__ == "__main__":
     _test()
