Implement venv requirement

.gitignore

@@ -1 +1,4 @@
 Pipfile.lock
+__pycache__/
+.venv*
+*.py[o|c]

Makefile

@@ -4,3 +4,9 @@ tdd:
 
 test:
 	pipenv run pytest $(opt)
+
+requirements:
+	pipenv requirements >  requirements.txt
+	pipenv requirements --dev-only >  requirements_dev.txt
+
+

MakefileVenv

@@ -0,0 +1,29 @@
+PY_MINOR=11
+VENV_NAME=.venv_$(PY_MINOR)
+VENV=$(CURDIR)/$(VENV_NAME)
+python=$(VENV)/bin/python
+pip=$(python) -m pip
+
+
+_delete_venv:
+	( [ -d $(VENV_NAME) ] && rm -fr $(VENV_NAME) ) || echo "no venv to drop"
+
+
+_create_venv:
+	python3.$(PY_MINOR) -m venv $(VENV_NAME)
+
+clean: _delete_venv _create_venv
+
+
+install:
+	$(python) -m pip install -r requirements.txt
+
+test:
+	$(python) -m unittest --discover .
+
+
+run:
+	$(python) dev.py
+
+
+

requirements.txt

@@ -0,0 +1 @@
+-i https://pypi.org/simple

requirements_dev.txt

@@ -0,0 +1,5 @@
+-i https://pypi.org/simple
+iniconfig==2.0.0 ; python_version >= '3.7'
+packaging==23.1 ; python_version >= '3.7'
+pluggy==1.2.0 ; python_version >= '3.7'
+pytest==7.4.0

test_guidelines.py

@@ -0,0 +1,38 @@
+"""
+Testing guidelines and install
+"""
+
+import unittest
+from subprocess import run
+import pathlib
+
+
+class TestGuidelines(unittest.TestCase):
+    def test_git(self):
+        "The poj"
+
+        assert run(["git", "status"], check=True)
+
+    def test_has_requirement(self):
+        root_dir = run(
+            ["git", "rev-parse", "--show-toplevel"], capture_output=True, text=True
+        ).stdout.strip()
+        target = pathlib.Path(root_dir) / "requirements.txt"
+        assert target.exists()
+
+        assert target.isFile()
+
+    def test_environment(self):
+        """We want to make sure that the project is virtualenv compatible.
+        we may provie and extra makefile for that (and automate build phase)
+        """
+
+        venv = "-f", "MakefileVenv"
+
+        for step in ["clean", "install", "test"]:
+            with self.subTest(setp=step):
+                try:
+                    run(["make", *venv, step], check=True)
+                except Exception as E:
+                    print(E.output)
+                    raise