add batch import of terms, taken from a local json file

src/collective/dms/thesaurus/configure.zcml

@@ -36,4 +36,11 @@
       name="schema_policy_dmsthesaurus"
       />
 
+  <browser:view
+      name="import_json"
+      for="collective.dms.thesaurus.dmsthesaurus.IDmsThesaurus"
+      class=".utils.ImportJson"
+      permission="cmf.ManagePortal"
+      />
+
 </configure>

src/collective/dms/thesaurus/utils.py

@@ -0,0 +1,43 @@
+import json
+
+from zope import component
+from zope.app.intid.interfaces import IIntIds
+from z3c.relationfield import RelationValue
+from Products.Five.browser import BrowserView
+
+
+class ImportJson(BrowserView):
+    def __call__(self):
+        self.intids = component.getUtility(IIntIds)
+
+        path = '/tmp/thesaurus.json'
+        # XXX: replace with a path given in the query string, or load json
+        # from POST data
+
+        terms = json.load(file(path))
+        term_intids = {}
+
+        # 1st step; create object for terms
+        for term_id, term in terms.items():
+            try:
+                object = getattr(self.context, term_id)
+            except AttributeError:
+                self.context.invokeFactory('dmskeyword', term_id,
+                                   title=term.get('title'))
+                object = getattr(self.context, term_id)
+                try:
+                    term_intids[term_id] = self.intids.getId(object)
+                except KeyError:
+                    self.intids.register(object)
+            object.title = term.get('title')
+            object.note = term.get('note')
+            object.equivs = term.get('equivalents')
+            term_intids[term_id] = self.intids.getId(object)
+
+        # 2nd step; add relations
+        for term_id, term in terms.items():
+            object = getattr(self.context, term_id)
+            object.related = [RelationValue(term_intids[x]) for x in term.get('related', [])]
+            object.broader = [RelationValue(term_intids[x]) for x in term.get('parents', [])]
+
+        return 'OK'