add mypy and coverage

Author: StarrFox

justfile

@@ -7,7 +7,7 @@ default:
 
 # run tests
 test:
-    uv run pytest
+    uv run pytest --cov=memobj
 
 # does a version bump commit
 bump-commit type="minor": && create-tag

memobj/object.py

@@ -42,10 +42,9 @@ def __new__(
 
 
 class MemoryObject(metaclass=MemoryObjectMeta):
-    __memory_object_instances__ = {}
+    __memory_object_instances__: dict[str, type["MemoryObject"]] = {}
 
-    __memory_objects__ = {}
-    __memory_properties__ = {}
+    __memory_properties__: dict[str, MemoryProperty] = {}
 
     def __init__(
         self,

memobj/process/windows/process.py

@@ -232,7 +232,7 @@ def allocate_memory(self, size: int, *, preferred_start: int | None = None) -> i
                 )
 
             else:
-                preferred_start = 0  # type: ignore (null pointer)
+                preferred_start = ctypes.c_void_p(0)
 
             ctypes.windll.kernel32.VirtualAllocEx.restype = ctypes.c_size_t
 

pyproject.toml

@@ -20,7 +20,10 @@ Issues = "https://github.com/StarrFox/memobj/issues"
 
 [dependency-groups]
 tests = [
+    "mypy>=1.18.2",
     "pytest>=8.4.2",
+    "pytest-cov>=7.0.0",
+    "types-regex>=2025.9.18.20250921",
 ]