Default auto_login and README update

README.rst

@@ -152,14 +152,18 @@ RTV will read a configuration placed at ``~/.config/rtv/rtv.cfg`` (or ``$XDG_CON
 Each line in the file will replace the corresponding default argument in the launch script.
 This can be used to avoid having to re-enter login credentials every time the program is launched.
 
-Example config:
+The OAuth section contains a boolean to trigger auto-login (defaults to False).
+When authenticated, two additional fields are written : **access_token** and **refresh_token**.
+Those are basically like username and password : they are used to authenticate you on Reddit servers.
+
+Example initial config:
 
 .. code-block:: ini
 
-  [rtv]
-  username=MyUsername
-  password=MySecretPassword
+  [oauth]
+  auto_login=False
 
+  [rtv]
   # Log file location
   log=/tmp/rtv.log
 

rtv/__main__.py

@@ -20,6 +20,23 @@ from .__version__ import __version__
 
 __all__ = []
 
+def get_config_fp():
+    HOME = os.path.expanduser('~')
+    XDG_CONFIG_HOME = os.getenv('XDG_CONFIG_HOME',
+        os.path.join(HOME, '.config'))
+
+    config_paths = [
+        os.path.join(XDG_CONFIG_HOME, 'rtv', 'rtv.cfg'),
+        os.path.join(HOME, '.rtv')
+    ]
+
+    # get the first existing config file
+    for config_path in config_paths:
+        if os.path.exists(config_path):
+            break
+
+    return config_path
+
 def open_config():
     """
     Search for a configuration file at the location ~/.rtv and attempt to load
@@ -28,18 +45,8 @@ def open_config():
 
     config = configparser.ConfigParser()
 
-    HOME = os.path.expanduser('~')
-    XDG_CONFIG_HOME = os.getenv('XDG_CONFIG_HOME', os.path.join(HOME, '.config'))
-    config_paths = [
-        os.path.join(XDG_CONFIG_HOME, 'rtv', 'rtv.cfg'),
-        os.path.join(HOME, '.rtv')
-    ]
-
-    # read only the first existing config file
-    for config_path in config_paths:
-        if os.path.exists(config_path):
+    config_path = get_config_fp()
     config.read(config_path)
-            break
 
     return config
 
@@ -66,9 +73,14 @@ def load_oauth_config():
 
     config = open_config()
 
-    defaults = {}
     if config.has_section('oauth'):
         defaults = dict(config.items('oauth'))
+    else:
+        # Populate OAuth section
+        config['oauth'] = {'auto_login': False}
+        with open(get_config_fp(), 'w') as cfg:
+            config.write(cfg)
+        defaults = dict(config.items('oauth'))
 
     return defaults