refactoring of the command line interface, moved requirements to pyproject.toml, added example problem, fixed tests

Author: NicolaPerin

.gitignore

@@ -11,3 +11,6 @@ __pycache__/
 # Coverage reports
 .coverage
 htmlcov/
+
+# CLI output
+output/

examples/problem_60x60.json

@@ -0,0 +1,23 @@
+{
+  "problem": {
+    "sheet_size": [60, 60],
+    "items": [
+      {"id": 0, "width": 3, "height": 3},
+      {"id": 1, "width": 4, "height": 5},
+      {"id": 2, "width": 5, "height": 4},
+      {"id": 3, "width": 6, "height": 6}
+    ],
+    "defects": [
+      {"x": 5, "y": 5, "width": 2, "height": 2},
+      {"x": 12, "y": 7, "width": 1, "height": 1},
+      {"x": 18, "y": 10, "width": 3, "height": 1},
+      {"x": 21, "y": 15, "width": 2, "height": 3},
+      {"x": 30, "y": 20, "width": 1, "height": 2},
+      {"x": 32, "y": 25, "width": 2, "height": 1},
+      {"x": 38, "y": 28, "width": 3, "height": 1},
+      {"x": 40, "y": 30, "width": 1, "height": 2},
+      {"x": 47, "y": 35, "width": 2, "height": 3},
+      {"x": 52, "y": 40, "width": 2, "height": 1}
+    ]
+  }
+}

pyproject.toml

@@ -13,6 +13,24 @@ dependencies = [
     "matplotlib>=3.3.0",
 ]
 
+[project.scripts]
+guillotine = "guillotine.__main__:main"
+
+[project.optional-dependencies]
+dev = [
+    "pytest>=7.0.0",
+    "pytest-cov>=4.0.0",
+    "pytest-benchmark>=4.0.0",
+    "pytest-xdist>=3.0.0",
+    "hypothesis>=6.0.0",
+    "black>=22.0.0",
+    "flake8>=4.0.0",
+    "mypy>=0.950",
+    "coverage>=6.0.0",
+    "build>=0.7.0",
+    "ipython>=8.0.0",
+]
+
 [tool.pytest.ini_options]
 minversion = "7.0"
 addopts = "-ra -q --strict-markers"