#1303 Return original format

api/c/indigo/indigo.h

@@ -171,6 +171,8 @@ CEXPORT int indigoRemove(int item);
 
 /* Molecules, query molecules, SMARTS */
 
+CEXPORT const char* indigoGetOriginalFormat(int item);
+
 CEXPORT int indigoCreateMolecule(void);
 CEXPORT int indigoCreateQueryMolecule(void);
 

api/c/indigo/src/indigo_molecule.cpp

@@ -3784,6 +3784,30 @@ CEXPORT int indigoCountComponentBonds(int molecule, int index)
     INDIGO_END(-1);
 }
 
+CEXPORT const char* indigoGetOriginalFormat(int item)
+{
+    INDIGO_BEGIN
+    {
+        IndigoObject& obj = self.getObject(item);
+        if (IndigoBaseMolecule::is(obj))
+        {
+            BaseMolecule& mol = obj.getBaseMolecule();
+            switch (mol.original_format)
+            {
+            case BaseMolecule::SMARTS:
+                return "smarts";
+            case BaseMolecule::SMILES:
+                return "smiles";
+            default:
+                return "unknown";
+            }
+        }
+        else
+            throw IndigoError("indigoSaveJson(): expected molecule, got %s", obj.debugInfo());
+    }
+    INDIGO_END(0);
+}
+
 CEXPORT int indigoCreateMolecule()
 {
     INDIGO_BEGIN

api/python/indigo/indigo/indigo_lib.py

@@ -246,6 +246,8 @@ def __init__(self) -> None:
         IndigoLib.lib.indigoIndex.argtypes = [c_int]
         IndigoLib.lib.indigoRemove.restype = c_int
         IndigoLib.lib.indigoRemove.argtypes = [c_int]
+        IndigoLib.lib.indigoGetOriginalFormat.restype = c_char_p
+        IndigoLib.lib.indigoGetOriginalFormat.argtypes = [c_int]
         IndigoLib.lib.indigoSaveMolfileToFile.restype = c_int
         IndigoLib.lib.indigoSaveMolfileToFile.argtypes = [c_int, c_char_p]
         IndigoLib.lib.indigoMolfile.restype = c_char_p

api/python/indigo/indigo/indigo_object.py

@@ -236,6 +236,17 @@ def remove(self):
 
         return IndigoLib.checkResult(self._lib().indigoRemove(self.id))
 
+    def getOriginalFormat(self):
+        """Molecule method return format molecule loaded from
+
+        Returns:
+            str: original format string
+        """
+
+        return IndigoLib.checkResultString(
+            self._lib().indigoGetOriginalFormat(self.id)
+        )
+
     def saveMolfile(self, filename):
         """Molecule method saves the structure into a Molfile