Check fails in loading modules.

Author: mmatera

mathics/builtin/__init__.py

@@ -7,6 +7,7 @@
 import re
 import os.path as osp
 from mathics.settings import ENABLE_FILES_MODULE
+from mathics.version import __version__
 
 # Get a list of file in this directory. We'll exclude from the start
 # files with leading characters we don't want like __init__ with its leading underscore.
@@ -38,9 +39,15 @@
 for module_name in module_names:
     try:
         module = importlib.import_module("mathics.builtin." + module_name)
-    except:
-        # print("XXX", module_name)
+    except Exception as e:
+        print(e)
+        print(f"    Not able to load {module_name}. Check your installation.")
+        print(f"    mathics.builtin loads from {__file__[:-11]}")
         continue
+
+    if  __version__ != module.__version__:
+        print(f"Version {module.__version__} in the module do not match with {__version__}")
+
     modules.append(module)
 
 builtins = []

mathics/builtin/algebra.py

@@ -4,6 +4,7 @@
 Algebraic Manipulation
 """
 
+from mathics.version import __version__
 
 from mathics.builtin.base import Builtin
 from mathics.core.expression import Expression, Integer, Symbol, Atom, Number

mathics/builtin/arithmetic.py

@@ -8,7 +8,7 @@
 Basic arithmetic functions, including complex number arithmetic.
 """
 
-
+from mathics.version import __version__
 import sympy
 import mpmath
 

mathics/builtin/assignment.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
-
+from mathics.version import __version__
 import mathics.builtin
 from mathics.builtin.base import (
     Builtin, BinaryOperator, PostfixOperator, PrefixOperator)

mathics/builtin/attributes.py

@@ -8,6 +8,7 @@
 However, you can set any symbol as an attribute, in contrast to \Mathematica.
 """
 
+from mathics.version import __version__
 
 from mathics.builtin.base import Predefined, Builtin
 from mathics.builtin.evaluation import Sequence

mathics/builtin/base.py

@@ -10,6 +10,8 @@
 import typing
 from typing import Any, cast
 
+from mathics.version import __version__
+
 from mathics.core.definitions import Definition
 from mathics.core.parser.util import SystemDefinitions, PyMathicsDefinitions
 from mathics.core.rules import Rule, BuiltinRule, Pattern

mathics/builtin/calculus.py

@@ -4,6 +4,7 @@
 """
 Calculus
 """
+from mathics.version import __version__
 
 from mathics.builtin.base import Builtin, PostfixOperator, SympyFunction
 from mathics.core.expression import (Expression, Integer, Number, SymbolTrue, SymbolFalse)

mathics/builtin/colors.py

@@ -4,6 +4,8 @@
 from itertools import chain
 from math import pi
 
+from mathics.version import __version__
+
 from mathics.builtin.numpy_utils import sqrt, floor, mod, cos, sin, arctan2, minimum, maximum, dot_t
 from mathics.builtin.numpy_utils import stack, unstack, array, clip, conditional, choose, stacked
 

mathics/builtin/combinatorial.py

@@ -7,6 +7,7 @@
 
 import sympy
 from sympy.functions.combinatorial.numbers import stirling
+from mathics.version import __version__
 
 from mathics.builtin.base import Builtin
 from mathics.core.expression import Expression, Integer, Symbol, SymbolTrue, SymbolFalse

mathics/builtin/comparison.py

@@ -6,6 +6,7 @@
 from typing import Optional, Union
 
 import sympy
+from mathics.version import __version__
 
 from mathics.builtin.base import (
     BinaryOperator,