[meld] Add build_helpers module, with modified material from DistUtilsExtra

[Kai Willadsen <kaiw src gnome org>]

commit cea6c1f6bab2897741c8a4f1882e1eab8f18a5f4
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Tue Nov 5 07:33:16 2013 +1000

    Add build_helpers module, with modified material from DistUtilsExtra

 meld/build_helpers.py |   37 +++++++++++++++++++++++++++++++++++++
 setup.py              |    6 ++++--
 2 files changed, 41 insertions(+), 2 deletions(-)
---
diff --git a/meld/build_helpers.py b/meld/build_helpers.py
new file mode 100644
index 0000000..554affc
--- /dev/null
+++ b/meld/build_helpers.py
@@ -0,0 +1,37 @@
+# Created by Sebastian Heinlein
+# Modified by Kai Willadsen
+
+import distutils
+import glob
+import os
+import os.path
+import distutils.command.build
+
+
+class build_icons(distutils.cmd.Command):
+
+    icon_dir = os.path.join("data","icons")
+
+    def initialize_options(self):
+        pass
+
+    def finalize_options(self):
+        pass
+
+    def run(self):
+        data_files = self.distribution.data_files
+
+        for theme in glob.glob(os.path.join(self.icon_dir, "*")):
+            for size in glob.glob(os.path.join(theme, "*")):
+                for category in glob.glob(os.path.join(size, "*")):
+                    icons = []
+                    for icon in glob.glob(os.path.join(category,"*")):
+                        if not os.path.islink(icon):
+                            icons.append(icon)
+                    if not icons:
+                        continue
+                    data_files.append(("share/icons/%s/%s/%s" %
+                                       (os.path.basename(theme),
+                                        os.path.basename(size),
+                                        os.path.basename(category)),
+                                        icons))
diff --git a/setup.py b/setup.py
index 983e94e..6b8aa24 100644
--- a/setup.py
+++ b/setup.py
@@ -4,10 +4,12 @@ from distutils.core import setup
 import glob
 
 from DistUtilsExtra.command import (
-    build_extra, build_i18n, build_help, build_icons)
+    build_extra, build_i18n, build_help)
 
 import meld.conf
 
+from meld.build_helpers import build_icons
+
 
 setup(
     name=meld.conf.__package__,
@@ -46,6 +48,6 @@ setup(
         "build": build_extra.build_extra,
         "build_i18n": build_i18n.build_i18n,
         "build_help": build_help.build_help,
-        "build_icons": build_icons.build_icons,
+        "build_icons": build_icons,
     }
 )