SW-378: processed review comment: added missing method fromString

LCS/pyparameterset/src/__init__.py

@@ -161,6 +161,16 @@ class parameterset(PyParameterSet):
 
             self.replace (str(k), str(v))  # k, v always type string
 
+    @staticmethod
+    def fromString(parset_string):
+        '''Create a parset from a plain text string.
+        Splits the string in lines, and parses each '=' seperated key/value pair.
+        '''
+        lines = [l.strip() for l in parset_string.split('\n')]
+        kv_pairs = [tuple(l.split('=')) for l in lines if '=' in l]
+        parset_dict = dict(kv_pairs)
+        return parameterset(parset_dict)
+
     def get(self, key):
         # type: (object) -> object
         """Get the parametervalue object of a parameter."""