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visual_studio/NativeClientVSAddIn/InstallerResources/third_party/etree/ElementInclude.py

Index: visual_studio/NativeClientVSAddIn/InstallerResources/third_party/etree/ElementInclude.py
diff --git a/visual_studio/NativeClientVSAddIn/InstallerResources/third_party/etree/ElementInclude.py b/visual_studio/NativeClientVSAddIn/InstallerResources/third_party/etree/ElementInclude.py
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+#
+# ElementTree
+# $Id: ElementInclude.py 3375 2008-02-13 08:05:08Z fredrik $
+#
+# limited xinclude support for element trees
+#
+# history:
+# 2003-08-15 fl   created
+# 2003-11-14 fl   fixed default loader
+#
+# Copyright (c) 2003-2004 by Fredrik Lundh.  All rights reserved.
+#
+# fredrik@pythonware.com
+# http://www.pythonware.com
+#
+# --------------------------------------------------------------------
+# The ElementTree toolkit is
+#
+# Copyright (c) 1999-2008 by Fredrik Lundh
+#
+# By obtaining, using, and/or copying this software and/or its
+# associated documentation, you agree that you have read, understood,
+# and will comply with the following terms and conditions:
+#
+# Permission to use, copy, modify, and distribute this software and
+# its associated documentation for any purpose and without fee is
+# hereby granted, provided that the above copyright notice appears in
+# all copies, and that both that copyright notice and this permission
+# notice appear in supporting documentation, and that the name of
+# Secret Labs AB or the author not be used in advertising or publicity
+# pertaining to distribution of the software without specific, written
+# prior permission.
+#
+# SECRET LABS AB AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+# TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANT-
+# ABILITY AND FITNESS.  IN NO EVENT SHALL SECRET LABS AB OR THE AUTHOR
+# BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
+# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+# OF THIS SOFTWARE.
+# --------------------------------------------------------------------
+
+# Licensed to PSF under a Contributor Agreement.
+# See http://www.python.org/psf/license for licensing details.
+
+##
+# Limited XInclude support for the ElementTree package.
+##
+
+import copy
+from . import ElementTree
+
+XINCLUDE = "{http://www.w3.org/2001/XInclude}"
+
+XINCLUDE_INCLUDE = XINCLUDE + "include"
+XINCLUDE_FALLBACK = XINCLUDE + "fallback"
+
+##
+# Fatal include error.
+
+class FatalIncludeError(SyntaxError):
+    pass
+
+##
+# Default loader.  This loader reads an included resource from disk.
+#
+# @param href Resource reference.
+# @param parse Parse mode.  Either "xml" or "text".
+# @param encoding Optional text encoding.
+# @return The expanded resource.  If the parse mode is "xml", this
+#    is an ElementTree instance.  If the parse mode is "text", this
+#    is a Unicode string.  If the loader fails, it can return None
+#    or raise an IOError exception.
+# @throws IOError If the loader fails to load the resource.
+
+def default_loader(href, parse, encoding=None):
+    file = open(href)
+    if parse == "xml":
+        data = ElementTree.parse(file).getroot()
+    else:
+        data = file.read()
+        if encoding:
+            data = data.decode(encoding)
+    file.close()
+    return data
+
+##
+# Expand XInclude directives.
+#
+# @param elem Root element.
+# @param loader Optional resource loader.  If omitted, it defaults
+#     to {@link default_loader}.  If given, it should be a callable
+#     that implements the same interface as <b>default_loader</b>.
+# @throws FatalIncludeError If the function fails to include a given
+#     resource, or if the tree contains malformed XInclude elements.
+# @throws IOError If the function fails to load a given resource.
+
+def include(elem, loader=None):
+    if loader is None:
+        loader = default_loader
+    # look for xinclude elements
+    i = 0
+    while i < len(elem):
+        e = elem[i]
+        if e.tag == XINCLUDE_INCLUDE:
+            # process xinclude directive
+            href = e.get("href")
+            parse = e.get("parse", "xml")
+            if parse == "xml":
+                node = loader(href, parse)
+                if node is None:
+                    raise FatalIncludeError(
+                        "cannot load %r as %r" % (href, parse)
+                        )
+                node = copy.copy(node)
+                if e.tail:
+                    node.tail = (node.tail or "") + e.tail
+                elem[i] = node
+            elif parse == "text":
+                text = loader(href, parse, e.get("encoding"))
+                if text is None:
+                    raise FatalIncludeError(
+                        "cannot load %r as %r" % (href, parse)
+                        )
+                if i:
+                    node = elem[i-1]
+                    node.tail = (node.tail or "") + text + (e.tail or "")
+                else:
+                    elem.text = (elem.text or "") + text + (e.tail or "")
+                del elem[i]
+                continue
+            else:
+                raise FatalIncludeError(
+                    "unknown parse type in xi:include tag (%r)" % parse
+                )
+        elif e.tag == XINCLUDE_FALLBACK:
+            raise FatalIncludeError(
+                "xi:fallback tag must be child of xi:include (%r)" % e.tag
+                )
+        else:
+            include(e, loader)
+        i = i + 1