Merge pull request #94 from pllim/fix-ginga-config

Update Ginga config machinery

docs/source/install.rst

@@ -7,7 +7,7 @@ Installation
 
 * `Astropy <http://www.astropy.org/>`_ 1.1 or later.
 * `SciPy <http://docs.scipy.org/doc/scipy/reference/>`_ 0.16 or later.
-* Ginga 2.5.20160128021834 or later, available from
+* Ginga 2.5.20160222004742 or later, available from
   `Ginga's GitHub page <https://github.com/ejeschke/ginga/>`_.
 * The latest version of ``stginga`` available from
   `stginga's GitHub page <https://github.com/spacetelescope/stginga>`_.

docs/source/run.rst

@@ -40,10 +40,13 @@ The key is to use Ginga's built-in configuration machinery.
 Create a ``$HOME/.ginga/ginga_config.py`` file or modify your existing copy
 with the following contents::
 
-    def post_gui_config(ginga):
+    def pre_gui_config(ginga):
         from stginga import load_plugins
         load_plugins(ginga)
 
+    def post_gui_config(ginga):
+        ginga.start_global_plugin('ChangeHistory')
+
 Then, you can run Ginga natively as follows::
 
     ginga [args]

stginga/__init__.py

@@ -2,5 +2,6 @@
                         unicode_literals)
 
 __version__ = '0.1.0.dev0'
+__vdate__ = '2016-02-22'
 
 from .plugin_info import *

stginga/plugin_info.py

@@ -20,12 +20,11 @@
 
 def load_plugins(ginga):
     """Load the ``stginga`` plugins.
-    This also automatically starts necessary core Ginga global plugins.
 
     Parameters
     ----------
     ginga
-        The ginga app object that is provided to ``post_gui_config`` in
+        The ginga app object that is provided to ``pre_gui_config`` in
         ``ginga_config.py``.
 
     """
@@ -47,15 +46,11 @@ def load_plugins(ginga):
         else:
             ginga.add_local_plugin(lplg)
 
-    # Auto start core global plugins
-    for gplg in ('ChangeHistory', ):
-        ginga.start_global_plugin(gplg)
-
 
 def _get_stginga_plugins():
     # TODO: When we use stable Ginga release, not the dev, we can remove this
     # and just have version check in setup.py
-    if ginga_version < '2.5.20160128021834':
+    if ginga_version < '2.5.20160222004742':
         warnings.warn('Your Ginga version {0} is old, stginga might not work '
                       'properly'.format(ginga_version), AstropyUserWarning)