pass more details to initialize_app so subclasses can decide what sort of initialization to do

4 files changed, 12 insertions, 4 deletions

diff --git a/cliff/app.py b/cliff/app.py
index eec2d5c..cd2386c 100644
--- a/cliff/app.py
+++ b/cliff/app.py
@@ -137,7 +137,7 @@ class App(object):
         """
         self.options, remainder = self.parser.parse_known_args(argv)
         self.configure_logging()
-        self.initialize_app()
+        self.initialize_app(remainder)
         result = 1
         if not remainder:
             result = self.interact()
@@ -147,10 +147,13 @@ class App(object):
 
     # FIXME(dhellmann): Consider moving these command handling methods
     # to a separate class.
-    def initialize_app(self):
+    def initialize_app(self, argv):
         """Hook for subclasses to take global initialization action
         after the arguments are parsed but before a command is run.
         Invoked only once, even in interactive mode.
+
+        :param argv: List of arguments, including the subcommand to run.
+                     Empty for interactive mode.
         """
         return
 
diff --git a/demoapp/cliffdemo/main.py b/demoapp/cliffdemo/main.py
index c535419..85807c8 100644
--- a/demoapp/cliffdemo/main.py
+++ b/demoapp/cliffdemo/main.py
@@ -16,7 +16,7 @@ class DemoApp(App):
             command_manager=CommandManager('cliff.demo'),
             )
 
-    def initialize_app(self):
+    def initialize_app(self, argv):
         self.log.debug('initialize_app')
 
     def prepare_to_run_command(self, cmd):
diff --git a/docs/source/history.rst b/docs/source/history.rst
index eeaa92a..9e0f770 100644
--- a/docs/source/history.rst
+++ b/docs/source/history.rst
@@ -2,6 +2,11 @@
  Release History
 =================
 
+dev
+
+  - Pass the non-global argument list to :func:`initialize_app` to be
+    used in initialization work.
+
 0.5.1
 
   - Remove pinned version requirement for PrettyTable until the
diff --git a/tests/test_app.py b/tests/test_app.py
index cae2c32..8bff071 100644
--- a/tests/test_app.py
+++ b/tests/test_app.py
@@ -48,7 +48,7 @@ def test_initialize_app():
     app, command = make_app()
     app.initialize_app = mock.MagicMock(name='initialize_app')
     app.run(['mock'])
-    app.initialize_app.assert_called_once_with()
+    app.initialize_app.assert_called_once_with(['mock'])
 
 
 def test_prepare_to_run_command():