Get ready for release 9.0.1

Change module name to Mathics3-Module-hello. Revise documentation.

Author: rocky

Makefile

@@ -49,7 +49,7 @@ clean-pyc:
 
 #: Run py.test tests. Use environment variable "o" for pytest options
 pytest:
-	py.test test $o
+	pytest test $o
 
 
 # #: Make Mathics PDF manual

NEWS.md

@@ -1,3 +1,9 @@
+9.0.1
+-----
+
+Change module name to Mathics3-Module-hello. Revise documentation.
+
+
 9.0.0
 -----
 

README.rst

@@ -19,12 +19,15 @@ Then the function ```Hello[]`` is available::
       In[1]:= LoadModule["pymathics.hello"]
       Out[1]= pymathics.hello
 
-      In[2]:= Hello["World"]
+      In[2]:= Hello[]
       Out[2]:= Hello, World!
 
-You can test with ``py.test``::
+      In[2]:= Hello["everyone"]
+      Out[2]:= Hello, everyone!
 
-     $ py.test test
+You can test with ``pytest``::
+
+     $ pytest test
 
 or simply::
 

pymathics/hello/__init__.py

@@ -1,10 +1,10 @@
 # -*- coding: utf-8 -*-
 """
-PyMathics Hello test module.
+Mathics3 Module hello module.
 
-This is an example of an external PyMathics module.
+This is an example of an external Mathics3 module.
 
-A PyMathics module is a Python module which can be loaded into Mathics using the
+A Mathics3 module is a Python module which can be loaded into Mathics using the
 ``LoadModule[]`` method.
 
 In particular, to load this after installing this module as a Python module run inside

pymathics/hello/__main__.py

@@ -12,7 +12,8 @@ class Hello(Builtin):
       <dd>An example function in a Python-importable Mathics3 module.
     </dl>
 
-    >> PyMathics`Hello["World"]
+    >> Hello["everyone"]
+    = "Hello, everyone!"
 
     See also the <url>
     :developer guide section:
@@ -26,6 +27,10 @@ class Hello(Builtin):
      = Hello, rocky!
     """
 
+    # Set checking that the number of arguments required is zero or one.
+    # eval_error = Builtin.generic_argument_error
+    # expected_args = (0, 1)
+
     summary_text = """classic "hello" demo"""
 
     # The function below should start with "apply"
@@ -34,9 +39,15 @@ def eval(self, evaluation: Evaluation):
         return String("Hello, World!")
 
     # The function below should start with "eval"
-    def eval_with_name(self, person: String, evaluation: Evaluation) -> String:
-        "Hello[person_String]"
-        # The above pattern matches Hello with a single string argument.
+    def eval_with_name(self, person, evaluation: Evaluation) -> String:
+        "Hello[person_]"
+        # The above pattern matches Hello with a argument.
         # See https://reference.wolfram.com/language/tutorial/Patterns.html#7301
         # and https://reference.wolfram.com/language/ref/Cases.html
+
+        # Check that "person" is a String.
+        if not isinstance(person, String):
+            evaluation.message("Hello", "string")
+            return
+
         return String(f"Hello, {person.value}!")

pymathics/hello/version.py

@@ -5,4 +5,4 @@
 # well as importing into Python. That's why there is no
 # space around "=" below.
 # fmt: off
-__version__="9.0.1.dev0"  # noqa
+__version__="9.0.1"  # noqa

pyproject.toml

@@ -6,7 +6,7 @@ requires = [
 build-backend = "setuptools.build_meta"
 
 [project]
-name = "Mathics3-hello"
+name = "Mathics3-Module-hello"
 description = 'Mathics3 Hello, World! module'
 dependencies = [
         "Mathics3-Module-Base >= 9.0.0",