[pygobject] Add backwards compatible API for GLib.unix_signal_add_full()

[Martin Pitt <martinpitt src gnome org>]

commit e45c690bc83b6d513887649de88965a9752e316d
Author: Martin Pitt <martinpitt gnome org>
Date:   Wed Nov 28 12:20:31 2012 +0100

    Add backwards compatible API for GLib.unix_signal_add_full()
    
    This was renamed to GLib.unix_signal_add() in
    http://git.gnome.org/browse/glib/commit/?id=fca30c3e165
    
    Provide a backwards compatible shim with a deprecation message.

 gi/overrides/GLib.py |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/gi/overrides/GLib.py b/gi/overrides/GLib.py
index dd83f3a..3db43ed 100644
--- a/gi/overrides/GLib.py
+++ b/gi/overrides/GLib.py
@@ -837,6 +837,16 @@ def filename_from_utf8(utf8string, len=-1):
 __all__.append('filename_from_utf8')
 
 
+# backwards compatible API for renamed function
+if not hasattr(GLib, 'unix_signal_add_full'):
+    def add_full_compat(*args):
+        warnings.warn('GLib.unix_signal_add_full() was renamed to GLib.unix_signal_add()',
+                      PyGIDeprecationWarning)
+        return GLib.unix_signal_add(*args)
+
+    GLib.unix_signal_add_full = add_full_compat
+
+
 # obsolete constants for backwards compatibility
 glib_version = (GLib.MAJOR_VERSION, GLib.MINOR_VERSION, GLib.MICRO_VERSION)
 __all__.append('glib_version')