Create in user home folder a .cml config folder.

setup.py

+from os import mkdir
+from os.path import expanduser, exists, join
 from distutils.core import setup
 
 
+USER_HOME_FOLDER = expanduser("~")
+CML_FOLDER_NAME = ".cml"
+DEFAULT_LEARN_DIRECTORY = "data"
+
+CML_CONFIG_FOLDER = join(USER_HOME_FOLDER, CML_FOLDER_NAME)
+CML_DEFAULT_LEARN_DIRECTORY = join(CML_CONFIG_FOLDER, DEFAULT_LEARN_DIRECTORY)
+
+
+def create_cml_config_folder():
+    mkdir(CML_CONFIG_FOLDER)
+
+
+# TODO (dmt): Insert it!
+def insert_input_file_path_into_settings():
+    pass
+
+
+# TODO (dmt): Insert it!
+def insert_learn_directory_path_into_settings():
+    pass
+
+
+if not exists(CML_CONFIG_FOLDER):
+    create_cml_config_folder()
+
+
 setup(
     name="cml",
     version="0.1dev",