rename plot_compile as lambdify_compile, and move it close to other code conversion functions

Author: mmatera

mathics/eval/drawing/plot_compile.py mathics/core/convert/lambdify.pymathics/eval/drawing/plot_compile.py renamed to mathics/core/convert/lambdify.py

@@ -43,7 +43,7 @@ class CompileError(Exception):
     pass
 
 
-def plot_compile(evaluation, expr, names, debug=0):
+def lambdify_compile(evaluation, expr, names, debug=0):
     """Compile the specified expression as a function of the given names"""
 
     if debug >= 2:

mathics/eval/drawing/plot3d_vectorized.py

@@ -13,7 +13,7 @@
 from mathics.core.systemsymbols import SymbolNone, SymbolRGBColor
 from mathics.timing import Timer
 
-from .plot_compile import plot_compile
+from mathics.core.convert.lambdify import lambdify_compile as plot_compile
 from .util import GraphicsGenerator
 
 

test/builtin/drawing/test_plot_compile.py

@@ -19,7 +19,7 @@
 
 from mathics.core.convert.python import from_python
 from mathics.core.expression import Expression
-from mathics.eval.drawing.plot_compile import plot_compile
+from mathics.core.convert.lambdify import lambdify_compile
 
 #
 # Each test specifies:
@@ -36,7 +36,7 @@
 #     not registered          Bultin is not registered
 #                             Try making it a subclass of SympyFunction.
 #     '...' is not defined    Sympy expects function '...' to be defined.
-#                             Look into adding it in plot_compile.py
+#                             Look into adding it in lambdify_compile.py
 #     TypeError               Look into builtin.to_sympy where it catches TypeError
 
 # common test case for Round, Floor, Ceiling, IntegerPart, FractionalPart
@@ -421,7 +421,7 @@ def failure(name, msg):
     # compile function
     try:
         expr = session.parse(def_expr)
-        fun = plot_compile(session.evaluation, expr, parms, debug)
+        fun = lambdify_compile(session.evaluation, expr, parms, debug)
     except Exception as oops:
         failure(name, f"compilaton failed: {oops}")