no-meanin JSON format changes slightly...

Also, move OPERATOR_DATA to mathics.core.parser.operators
and pick up ROOT_DIR from mathics.settings

mathics/builtin/directories/system_directories.py

@@ -6,8 +6,8 @@
 from mathics.core.attributes import A_NO_ATTRIBUTES
 from mathics.core.builtin import Predefined
 from mathics.core.evaluation import Evaluation
-from mathics.core.streams import ROOT_DIR
 from mathics.eval.directories import INITIAL_DIR, SYS_ROOT_DIR, TMP_DIR
+from mathics.settings import ROOT_DIR
 
 
 class BaseDirectory_(Predefined):

mathics/builtin/no_meaning.py

@@ -15,24 +15,27 @@
 
 import mathics.core.parser.operators
 from mathics.core.builtin import (
-    OPERATOR_DATA,
     NoMeaningInfixOperator,
     NoMeaningPostfixOperator,
     NoMeaningPrefixOperator,
 )
+from mathics.core.parser.operators import OPERATOR_DATA
 
 # Generate no-meaning Mathics3 Builtin class from the operator name,
-# affix, and Operator Unicode values found read from the JSON operators
-# file.
+# affix, and Operator Unicode values found in OPERATOR_DATA.  This
+# data ultimately comes from a YAML file in the MathicsScanner project
+# which is processed into a JSON file.
+
 for affix, format_fn, operator_base_class in (
     ("infix", "Infix", NoMeaningInfixOperator),
     ("postfix", "Postfix", NoMeaningPostfixOperator),
     ("prefix", "Prefix", NoMeaningPrefixOperator),
 ):
-    for operator_name, operator_string in OPERATOR_DATA[
+    for operator_name, operator_tuple in OPERATOR_DATA[
         f"no-meaning-{affix}-operators"
     ].items():
         # Create the Mathics3 Builtin class...
+        operator_string = operator_tuple[0]
         generated_operator_class = type(
             operator_name,
             (operator_base_class,),

mathics/core/builtin.py

@@ -8,7 +8,6 @@
 
 import importlib
 import importlib.util
-import os.path as osp
 import re
 from abc import ABC
 from functools import total_ordering
@@ -27,7 +26,6 @@
 )
 
 import mpmath
-import pkg_resources
 import sympy
 
 # Note: it is important *not* to use:
@@ -66,6 +64,7 @@
 from mathics.core.interrupt import BreakInterrupt, ContinueInterrupt, ReturnInterrupt
 from mathics.core.list import ListExpression
 from mathics.core.number import PrecisionValueError, dps, get_precision, min_prec
+from mathics.core.parser.operators import OPERATOR_DATA
 from mathics.core.parser.util import PyMathicsDefinitions, SystemDefinitions
 from mathics.core.pattern import BasePattern
 from mathics.core.rules import BaseRule, FunctionApplyRule, Rule
@@ -93,21 +92,6 @@
 from mathics.eval.scoping import dynamic_scoping
 from mathics.eval.sympy import eval_sympy
 
-try:
-    import ujson
-except ImportError:
-    import json as ujson  # type: ignore[no-redef]
-
-ROOT_DIR = pkg_resources.resource_filename("mathics", "")
-
-# Load the conversion tables from disk
-operator_tables_path = osp.join(ROOT_DIR, "data", "operator-tables.json")
-assert osp.exists(
-    operator_tables_path
-), f"Internal error: Operator precedence tables are missing; expected to be in {operator_tables_path}"
-with open(operator_tables_path, "r") as f:
-    OPERATOR_DATA = ujson.load(f)
-
 
 # Exceptions...
 class NegativeIntegerException(Exception):

mathics/core/convert/op.py

@@ -5,14 +5,13 @@
 import os.path as osp
 from functools import lru_cache
 
-import pkg_resources
+from mathics.settings import ROOT_DIR
 
 try:
     import ujson
 except ImportError:
     import json as ujson  # type: ignore[no-redef]
 
-ROOT_DIR = pkg_resources.resource_filename("mathics", "")
 
 # Load the conversion tables from disk
 characters_path = osp.join(ROOT_DIR, "data", "op-tables.json")

mathics/core/parser/operators.py

@@ -2,8 +2,25 @@
 # -*- coding: utf-8 -*-
 
 
+import os.path as osp
 from collections import defaultdict
 
+from mathics.settings import ROOT_DIR
+
+try:
+    import ujson
+except ImportError:
+    import json as ujson  # type: ignore[no-redef]
+
+# Load the conversion tables from disk
+operator_tables_path = osp.join(ROOT_DIR, "data", "operator-tables.json")
+assert osp.exists(
+    operator_tables_path
+), f"Internal error: Operator precedence tables are missing; expected to be in {operator_tables_path}"
+with open(operator_tables_path, "r") as f:
+    OPERATOR_DATA = ujson.load(f)
+
+
 prefix_ops = {
     "Get": 720,
     "PreIncrement": 660,