improve Compile interface

Author: mmatera

mathics/builtin/compilation.py

@@ -11,7 +11,7 @@
 from types import FunctionType
 
 from mathics.builtin.box.compilation import CompiledCodeBox
-from mathics.core.atoms import Complex, Integer, Real, String
+from mathics.core.atoms import Complex, Integer, Rational, Real, String
 from mathics.core.attributes import A_HOLD_ALL, A_PROTECTED
 from mathics.core.builtin import Builtin
 from mathics.core.convert.expression import to_mathics_list
@@ -235,12 +235,12 @@ def eval(self, argnames, expr, code, args, evaluation: Evaluation):
             try:
                 spec_type = spec.type
                 if spec_type is float:
-                    if isinstance(arg, (Integer, Real)):
+                    if isinstance(arg, (Integer, Rational, Real)):
                         val = spec_type(arg.value)
                     else:
                         raise TypeError
                 elif spec_type is int:
-                    if isinstance(arg, (Integer, Real)):
+                    if isinstance(arg, (Integer, Rational, Real)):
                         val = spec_type(arg.value)
                         # If arg.value was not an integer, show a message but accept it:
                         if val != arg.value:
@@ -264,7 +264,7 @@ def eval(self, argnames, expr, code, args, evaluation: Evaluation):
                     if isinstance(arg, Complex):
                         value = arg.value
                         val = complex(value[0].value, value[1].value)
-                    elif isinstance(arg, (Integer, Real)):
+                    elif isinstance(arg, (Integer, Rational, Real)):
                         val = complex(arg.value)
                     else:
                         raise TypeError
@@ -286,4 +286,6 @@ def eval(self, argnames, expr, code, args, evaluation: Evaluation):
         except (TypeError, ctypes.ArgumentError):
             evaluation.message("CompiledFunction", "argerr", args)
             return
+        except Exception:
+            return
         return from_python(result)

mathics/core/convert/function.py

@@ -175,6 +175,8 @@ def expression_to_callable_and_args(
                 return cfunc, args
         except KeyError:
             pass
+        except RuntimeError:
+            pass
 
     # Last resource
     cfunc = expression_to_python_function(expr, args, evaluation)