Added gsutil to depot tools

third_party/gsutil/boto/boto/jsonresponse.py

+# Copyright (c) 2010 Mitch Garnaat http://garnaat.org/
+# Copyright (c) 2010, Eucalyptus Systems, Inc.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish, dis-
+# tribute, sublicense, and/or sell copies of the Software, and to permit
+# persons to whom the Software is furnished to do so, subject to the fol-
+# lowing conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
+# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+
+import xml.sax
+import utils
+
+class XmlHandler(xml.sax.ContentHandler):
+
+    def __init__(self, root_node, connection):
+        self.connection = connection
+        self.nodes = [('root', root_node)]
+        self.current_text = ''
+
+    def startElement(self, name, attrs):
+        self.current_text = ''
+        t = self.nodes[-1][1].startElement(name, attrs, self.connection)
+        if t != None:
+            if isinstance(t, tuple):
+                self.nodes.append(t)
+            else:
+                self.nodes.append((name, t))
+
+    def endElement(self, name):
+        self.nodes[-1][1].endElement(name, self.current_text, self.connection)
+        if self.nodes[-1][0] == name:
+            self.nodes.pop()
+        self.current_text = ''
+
+    def characters(self, content):
+        self.current_text += content
+
+    def parse(self, s):
+        xml.sax.parseString(s, self)
+        
+class Element(dict):
+
+    def __init__(self, connection=None, element_name=None,
+                 stack=None, parent=None, list_marker=('Set',),
+                 item_marker=('member', 'item'),
+                 pythonize_name=False):
+        dict.__init__(self)
+        self.connection = connection
+        self.element_name = element_name
+        self.list_marker = utils.mklist(list_marker)
+        self.item_marker = utils.mklist(item_marker)
+        if stack is None:
+            self.stack = []
+        else:
+            self.stack = stack
+        self.pythonize_name = pythonize_name
+        self.parent = parent
+
+    def __getattr__(self, key):
+        if key in self:
+            return self[key]
+        for k in self:
+            e = self[k]
+            if isinstance(e, Element):
+                try:
+                    return getattr(e, key)
+                except AttributeError:
+                    pass
+        raise AttributeError
+
+    def get_name(self, name):
+        if self.pythonize_name:
+            name = utils.pythonize_name(name)
+        return name
+
+    def startElement(self, name, attrs, connection):
+        self.stack.append(name)
+        for lm in self.list_marker:
+            if name.endswith(lm):
+                l = ListElement(self.connection, name, self.list_marker,
+                                self.item_marker, self.pythonize_name)
+                self[self.get_name(name)] = l
+                return l
+        if len(self.stack) > 0:
+            element_name = self.stack[-1]
+            e = Element(self.connection, element_name, self.stack, self,
+                        self.list_marker, self.item_marker,
+                        self.pythonize_name)
+            self[self.get_name(element_name)] = e
+            return (element_name, e)
+        else:
+            return None
+
+    def endElement(self, name, value, connection):
+        if len(self.stack) > 0:
+            self.stack.pop()
+        value = value.strip()
+        if value:
+            if isinstance(self.parent, Element):
+                self.parent[self.get_name(name)] = value
+            elif isinstance(self.parent, ListElement):
+                self.parent.append(value)
+
+class ListElement(list):
+
+    def __init__(self, connection=None, element_name=None,
+                 list_marker=['Set'], item_marker=('member', 'item'),
+                 pythonize_name=False):
+        list.__init__(self)
+        self.connection = connection
+        self.element_name = element_name
+        self.list_marker = list_marker
+        self.item_marker = item_marker
+        self.pythonize_name = pythonize_name
+
+    def get_name(self, name):
+        if self.pythonize_name:
+            name = utils.pythonize_name(name)
+        return name
+
+    def startElement(self, name, attrs, connection):
+        for lm in self.list_marker:
+            if name.endswith(lm):
+                l = ListElement(self.connection, name,
+                                self.list_marker, self.item_marker,
+                                self.pythonize_name)
+                setattr(self, self.get_name(name), l)
+                return l
+        if name in self.item_marker:
+            e = Element(self.connection, name, parent=self,
+                        list_marker=self.list_marker,
+                        item_marker=self.item_marker,
+                        pythonize_name=self.pythonize_name)
+            self.append(e)
+            return e
+        else:
+            return None
+
+    def endElement(self, name, value, connection):
+        if name == self.element_name:
+            if len(self) > 0:
+                empty = []
+                for e in self:
+                    if isinstance(e, Element):
+                        if len(e) == 0:
+                            empty.append(e)
+                for e in empty:
+                    self.remove(e)
+        else:
+            setattr(self, self.get_name(name), value)