Initial commit

geometry/validation.py

@@ -0,0 +1,31 @@
+#
+#
+#
+
+def is_numeric(value):
+    "Checks whether value is an integer or a float (decimal number)."
+    return isinstance(value, int) or isinstance(value, float)
+
+def is_coordinates(value):
+    "Checks whether value is a tuple of two numeric values."
+    try:
+        x, y = value
+        return is_numeric(x) and is_numeric(y)
+    except (TypeError, ValueError):
+        return False
+
+def has_method(obj, method_name):
+    "Checks whether the object has a method called `method_name`."
+    attr = getattr(obj, method_name, None)
+    return callable(attr)
+
+def expect_type(obj, expected_type):
+    """Checks whether obj is of the expected type. 
+    If multiple types are provided, checks whether obj is one of the types.
+    """
+    try:
+        if not any(isinstance(obj, t) for t in expected_type):
+            raise TypeError(f"Expected {obj} to be one of the following types: {expected_type}")
+    except TypeError:
+        if not isinstance(obj, expected_type):
+            raise TypeError(f"Expected {obj} to be a {expected_type}")