diff --git a/src/ifcparse/IfcFile.h b/src/ifcparse/IfcFile.h
index 88bed3c065..e88c637e17 100644
--- a/src/ifcparse/IfcFile.h
+++ b/src/ifcparse/IfcFile.h
@@ -122,9 +122,9 @@ public:
 	static bool guid_map() { return guid_map_; }
 	static void guid_map(bool b) { guid_map_ = b; }
 
-private:
 	typedef std::map<uint32_t, IfcUtil::IfcBaseClass*> entity_entity_map_t;
 
+private:
 	bool parsing_complete_;
 	file_open_status good_ = file_open_status::SUCCESS;
 
@@ -276,6 +276,8 @@ public:
 
 	void recalculate_id_counter();
 
+	entity_entity_map_t getEntityFileMapCopy() const;
+
 	IfcUtil::IfcBaseClass* addEntity(IfcUtil::IfcBaseClass* entity, int id=-1);
 	void addEntities(aggregate_of_instance::ptr es);
 
diff --git a/src/ifcparse/IfcParse.cpp b/src/ifcparse/IfcParse.cpp
index d0ccb44aa6..d9d49fe164 100644
--- a/src/ifcparse/IfcParse.cpp
+++ b/src/ifcparse/IfcParse.cpp
@@ -1839,6 +1839,14 @@ void IfcFile::addEntities(aggregate_of_instance::ptr es) {
 	}
 }
 
+IfcFile::entity_entity_map_t IfcFile::getEntityFileMapCopy() const {
+	std::map<uint32_t, IfcUtil::IfcBaseClass*> copy_map;
+	for (const auto& pair : entity_file_map) {
+		copy_map[pair.first] = pair.second;
+	}
+	return copy_map;
+}
+
 IfcUtil::IfcBaseClass* IfcFile::addEntity(IfcUtil::IfcBaseClass* entity, int id) {
 	if (id != -1 && byid.find((unsigned)id) != byid.end()) {
 		throw IfcParse::IfcException("An instance with id " + boost::lexical_cast<std::string>(id) + " is already part of this file");
diff --git a/src/ifcwrap/IfcParseWrapper.i b/src/ifcwrap/IfcParseWrapper.i
index b9fcd5aadd..308f334772 100644
--- a/src/ifcwrap/IfcParseWrapper.i
+++ b/src/ifcwrap/IfcParseWrapper.i
@@ -593,6 +593,15 @@ static IfcUtil::ArgumentType helper_fn_attribute_type(const IfcUtil::IfcBaseClas
 		return f;
 	}
 
+	PyObject* get_identity_mapping(IfcParse::IfcFile* f) {
+		PyObject* pyDict = PyDict_New();
+		for (const auto& pair : f->getEntityFileMapCopy()) {
+			PyDict_SetItem(pyDict, pythonize(pair.first), pythonize(pair.second));
+		}
+
+		return pyDict;
+	}
+
 	const char* version() {
 		return IFCOPENSHELL_VERSION;
 	}