Basic System (#31)

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#31

utilities/chem.py

@@ -228,6 +228,14 @@ class FormatConverter(object):
     #
     #     return list(res)
 
+    @staticmethod
+    def is_valid_smirks(smirks: str) -> bool:
+        try:
+            rdChemReactions.ReactionFromSmarts(smirks)
+            return True
+        except:
+            return False
+
     @staticmethod
     def apply(smiles: str, smirks: str, preprocess_smiles: bool = True, bracketize: bool = False,
               standardize: bool = True, kekulize: bool = True) -> List['ProductSet']: