From c63a201222f37fb16402c8ae2fa990d40d449104 Mon Sep 17 00:00:00 2001
From: Josue Kouka <jkouka@entrouvert.com>
Date: Mon, 29 May 2017 09:56:48 +0200
Subject: [PATCH 6/7] cityweb: add json to xml converter function (#15883)

---
 passerelle/contrib/cityweb/utils.py | 63 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 62 insertions(+), 1 deletion(-)

diff --git a/passerelle/contrib/cityweb/utils.py b/passerelle/contrib/cityweb/utils.py
index 4c8c209..088fc9f 100644
--- a/passerelle/contrib/cityweb/utils.py
+++ b/passerelle/contrib/cityweb/utils.py
@@ -15,14 +15,55 @@
 
 import os
 import zipfile
+from xml.etree import ElementTree as etree
+from xml.dom import minidom
 
 from django.core.files.storage import default_storage
 
 
+class ElementFactory(etree.Element):
+
+    def __init__(self, *args, **kwargs):
+        self.text = kwargs.pop('text', None)
+        namespace = kwargs.pop('namespace', None)
+        if namespace:
+            super(ElementFactory, self).__init__(
+                etree.QName(namespace, args[0]), **kwargs
+            )
+            self.namespace = namespace
+        else:
+            super(ElementFactory, self).__init__(*args, **kwargs)
+
+    def __unicode__(self):
+        if isinstance(self.tag, (etree.QName,)):
+            return self.tag.text
+        return self.tag
+
+    __repr__ = __str__ = __unicode__
+
+    def append(self, element, allow_new=True):
+        if not allow_new:
+            if isinstance(element.tag, etree.QName):
+                found = self.find(element.tag.text)
+            else:
+                found = self.find(element.tag)
+            if found is not None:
+                return self
+        super(ElementFactory, self).append(element)
+        return self
+
+    def to_pretty_xml(self):
+        raw = etree.tostring(self)
+        parsed = minidom.parseString(raw)
+        return parsed.toprettyxml(indent='\t')
+
+
 def flatten_payload(*subs):
     result = {}
     for sub in subs:
-        result.update(sub)  # priority on last sub dict
+        if not isinstance(sub, (dict,)):
+            continue
+        result.update(sub)  # priority to the last sub dict
     return result
 
 
@@ -40,3 +81,23 @@ def zipdir(path):
                 fpath = os.path.join(root, f)
                 zipf.write(fpath, os.path.basename(fpath))
     return archname
+
+
+def json_to_xml(path, value, parent, namespace=None):
+    if isinstance(path, list) and len(path) > 1:
+        if namespace:
+            tag = '{%s}%s' % (namespace, path[0])
+        else:
+            tag = path[0]
+        # parent_child = parent.find('{%s}%s' % (namespace, path[0]))
+        parent_child = parent.find(tag)
+        if parent_child is not None:
+            element = parent_child
+            path.pop(0)
+        else:
+            element = ElementFactory(path.pop(0), namespace=namespace)
+        element.append(json_to_xml(path, value, element, namespace=namespace),
+                       allow_new=False)
+    else:
+        element = ElementFactory(path[0], text=value, namespace=namespace)
+    return element
-- 
2.11.0