Update __init__ docs

scriptconfig/__init__.py

@@ -18,13 +18,11 @@ update from CLI, kwargs, and/or json.
 
 The pattern is simple:
 
-    1. Create a class that inherits from :class:`scriptconfig.Config`
+    1. Create a class that inherits from :class:`scriptconfig.DataConfig`
 
-    2. Create a class variable dictionary named ``default``
+    2. Create a class variable for each argument, the values are the defaults.
 
-    3. The keys are the names of your arguments, and the values are the defaults.
-
-    4. Create an instance of your config object. If you pass ``cmdline=True`` as an argument, it will autopopulate itself from the command line.
+    3. Create an instance of your config object with `.cli` classmethod. If you pass ``argv=True`` as an argument, it will autopopulate itself from the command line.
 
 Here is an example for a simple calculator program:
 
@@ -33,17 +31,15 @@ Here is an example for a simple calculator program:
     import scriptconfig as scfg
 
 
-    class MyConfig(scfg.Config):
+    class MyConfig(scfg.DataConfig):
         'The docstring becomes the CLI description!'
-        default = {
-            'num1': 0,
-            'num2': 1,
-            'outfile': './result.txt',
-        }
+        num1 = 1
+        num2 = 2
+        outfile = './result.txt'
 
 
     def main():
-        config = MyConfig(cmdline=True)
+        config = MyConfig.cli(argv=True, verbose='auto')
         result = config['num1'] + config['num2']
         with open(config['outfile'], 'w') as file:
             file.write(str(result))
@@ -64,7 +60,7 @@ message, the expected variable type, if it is a positional variable, alias
 parameters for the command line, and more.
 
 The important thing that gives scriptconfig an edge over things like
-:mod:`argparse` is that it is trivial to disable the ``cmdline`` flag and pass
+:mod:`argparse` is that it is trivial to disable the ``argv`` flag and pass
 explicit arguments into your function as a dictionary. Thus you can write you
 scripts in such a way that they are callable from Python or from a CLI via with
 an API that corresponds 1-to-1!
@@ -76,28 +72,26 @@ A more complex example version of the above code might look like this
     import scriptconfig as scfg
 
 
-    class MyConfig(scfg.Config):
+    class MyConfig(scfg.DataConfig):
         '''
         The docstring becomes the CLI description!
         '''
-        default = {
-            'num1': scfg.Value(0, type=float, help='first number to add', position=1),
-            'num2': scfg.Value(1, type=float, help='second number to add', position=2),
-            'outfile': scfg.Value('./result.txt', help='where to store the result', position=3),
-        }
+        num1 = scfg.Value(3, type=float, help='first number to add', position=1)
+        num2 = scfg.Value(5, type=float, help='second number to add', position=2)
+        outfile = scfg.Value('./result.txt', help='where to store the result', position=3)
 
 
-    def main(cmdline=1, **kwargs):
+    def main(argv=1, **kwargs):
         '''
         Example:
             >>> # This is much easier to test than argparse code
             >>> kwargs = {'num1': 42, 'num2': 23, 'outfile': 'foo.out'}
-            >>> cmdline = 0
-            >>> main(cmdline=cmdline, **kwargs)
+            >>> argv = 0
+            >>> main(argv=argv, **kwargs)
             >>> with open('foo.out') as file:
             >>>     assert file.read() == '65'
         '''
-        config = MyConfig(cmdline=True, data=kwargs)
+        config = MyConfig.cli(argv=argv, data=kwargs, verbose='auto')
         result = config['num1'] + config['num2']
         with open(config['outfile'], 'w') as file:
             file.write(str(result))