Use inspect instead of dir for listing methods (#24)

* Use inspect instead of dir for listing method

clr/commands.py

@@ -42,9 +42,9 @@ def _load_namespace(key):
     # Prefer doc string, otherwise explicit .longdescr, otherwise .descr
     longdescr = inspect.getdoc(instance) or getattr(instance, "longdescr", descr)
     command_callables = {
-        attribute_name[4:]: getattr(instance, attribute_name)
-        for attribute_name in dir(instance)
-        if attribute_name.startswith("cmd_")
+        method_name[4:]: method
+        for method_name, method in inspect.getmembers(self, inspect.ismethod)
+        if method_name.startswith("cmd_")
     }
     # Build CommandSpecs for each command. These contain metadata about the
     # command and its args. These are kept in a seperate dataclass from the

setup.py

@@ -4,17 +4,21 @@
 
 setup(
     name="clr",
-    version="0.3.4",
+    version="0.3.5",
     description="A command line tool for executing custom python scripts.",
     author="Color",
     author_email="dev@getcolor.com",
     url="/~https://github.com/color/clr",
     packages=["clr"],
-    entry_points={"console_scripts": ["clr = clr:main"],},
+    entry_points={
+        "console_scripts": ["clr = clr:main"],
+    },
     install_requires=requirements,
     setup_requires=["pytest-runner"],
     tests_require=requirements + ["pytest==6.2.4"],
     license="MIT",
     include_package_data=True,
-    package_data={"": ["completion.*"],},
+    package_data={
+        "": ["completion.*"],
+    },
 )