From 218f9e10ae72860da3134183ca997196ab14ad29 Mon Sep 17 00:00:00 2001
From: Marco Pesenti Gritti <marco@localhost.localdomain>
Date: Sun, 15 Apr 2007 15:06:04 +0200
Subject: [PATCH] Load the modules from .la if the normal import fails

---
 shell/extensions/__init__.py |  6 ++-
 sugar/Makefile.am            | 13 ++++---
 sugar/ltihooks.py            | 72 ++++++++++++++++++++++++++++++++++++
 3 files changed, 84 insertions(+), 7 deletions(-)
 create mode 100644 sugar/ltihooks.py

diff --git a/shell/extensions/__init__.py b/shell/extensions/__init__.py
index d7f9232d..8290d419 100644
--- a/shell/extensions/__init__.py
+++ b/shell/extensions/__init__.py
@@ -14,4 +14,8 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
-from extensions._extensions import *
+try:
+    from extensions._extensions import *
+except ImportError:
+    from sugar import ltihooks
+    from extensions._extensions import *
diff --git a/sugar/Makefile.am b/sugar/Makefile.am
index 7ea659a9..9e8db383 100644
--- a/sugar/Makefile.am
+++ b/sugar/Makefile.am
@@ -1,10 +1,11 @@
 SUBDIRS = activity browser clipboard graphics p2p presence datastore
 
 sugardir = $(pythondir)/sugar
-sugar_PYTHON =				\
-	__init__.py			\
-	date.py				\
-	env.py				\
-	logger.py			\
-	profile.py			\
+sugar_PYTHON =		\
+	__init__.py	\
+	date.py		\
+	env.py		\
+	logger.py	\
+        ltihooks.py	\
+	profile.py	\
 	util.py
diff --git a/sugar/ltihooks.py b/sugar/ltihooks.py
new file mode 100644
index 00000000..d68f2ebc
--- /dev/null
+++ b/sugar/ltihooks.py
@@ -0,0 +1,72 @@
+# -*- Mode: Python -*-
+# vi:si:et:sw=4:sts=4:ts=4
+
+# ltihooks.py: python import hooks that understand libtool libraries.
+# Copyright (C) 2000 James Henstridge.
+# renamed to gstltihooks.py so it does not accidentally get imported by
+# an installed copy of gtk
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+import os, ihooks
+
+class LibtoolHooks(ihooks.Hooks):
+    def get_suffixes(self):
+        """Like normal get_suffixes, but adds .la suffixes to list"""
+        ret = ihooks.Hooks.get_suffixes(self)
+        ret.insert(0, ('module.la', 'rb', 3))
+        ret.insert(0, ('.la', 'rb', 3))
+        return ret
+
+    def load_dynamic(self, name, filename, file=None):
+        """Like normal load_dynamic, but treat .la files specially"""
+        if len(filename) > 3 and filename[-3:] == '.la':
+            fp = open(filename, 'r')
+            dlname = ''
+            installed = 1
+            line = fp.readline()
+            while line:
+                # dlname: the name that we can dlopen
+                if len(line) > 7 and line[:7] == 'dlname=':
+                    dlname = line[8:-2]
+                # installed: whether it's already installed
+                elif len(line) > 10 and line[:10] == 'installed=':
+                    installed = line[10:-1] == 'yes'
+                line = fp.readline()
+            fp.close()
+            if dlname:
+                if installed:
+                    filename = os.path.join(os.path.dirname(filename),
+                                            dlname)
+                else:
+                    # if .libs already there, don't need to add it again
+                    if os.path.dirname(filename).endswith('.libs'):
+                        filename = os.path.join(os.path.dirname(filename),
+                                                dlname)
+                    else:
+                        filename = os.path.join(os.path.dirname(filename),
+                                                '.libs', dlname)
+        return ihooks.Hooks.load_dynamic(self, name, filename, file)
+
+importer = ihooks.ModuleImporter()
+importer.set_hooks(LibtoolHooks())
+
+def install():
+    print 'Installed ltihooks.'
+    importer.install()
+def uninstall():
+    importer.uninstall()
+
+install()