refs #0 The root commit.

back/help.py

@@ -0,0 +1,38 @@
+#!/usr/local/bin/python
+
+from importlib import import_module
+
+from click import argument, command
+
+
+@command()
+@argument("path")
+def pyhelp(path: str):
+    """
+    Print the object documentation from docstring.
+
+    :param path: The full path to the module, function or class.
+    """
+
+    module_path = path.rsplit(".", 1)[0]
+    object_name = path.split(".")[-1]
+
+    try:
+        module = import_module(module_path)
+    except ModuleNotFoundError:
+        module = None
+
+    if module:
+        if module_path == object_name:
+            _object = module
+        else:
+            _object = getattr(module, object_name, None)
+    else:
+        _object = getattr(__builtins__, object_name, None)
+
+    if _object:
+        help(_object)
+
+
+if __name__ == "__main__":
+    pyhelp()