# HG changeset patch
# User Christian Ebert <blacktrash@gmx.net>
# Date 1168508270 -3600
# Node ID ffec227fced32575de24cce4734b665081ce19e8
# Parent  c193da9eb3e411fe46b5d92fa5ba15943083862d
Module detection cleaner and more reliable

Stolen from mercurial.lsprof

diff -r c193da9eb3e4 -r ffec227fced3 hgkw/keyword.py
--- a/hgkw/keyword.py	Thu Jan 11 02:22:56 2007 +0100
+++ b/hgkw/keyword.py	Thu Jan 11 10:37:50 2007 +0100
@@ -130,15 +130,19 @@
     filelog.filelog = kwfilelog
     repo.__class__ = kwrepo
     # make pretxncommit hook import kwmodule regardless of where it's located
-    moddir = os.path.abspath(os.path.dirname(__file__))
-    if os.path.dirname(moddir) in sys.path:
-        moddir = os.path.split(moddir)[1]+'.'
+    for k, v in sys.modules.iteritems():
+        if v is None:
+            continue
+        if not hasattr(v, '__file__'):
+            continue
+        if v.__file__.startswith(__file__):
+            mod = k
+            break
     else:
-        sys.path.insert(0, moddir)
-        moddir = ''
-    ui.setconfig('hooks', 'pretxncommit.keyword', 'python:%s%s.pretxnkw'
-            % (moddir, os.path.splitext(os.path.basename(__file__))[0]))
-    del moddir
+        sys.path.insert(0, os.path.abspath(os.path.dirname(__file__)))
+        mod = os.path.splitext(os.path.basename(__file__))[0]
+    ui.setconfig('hooks', 'pretxncommit.keyword', 'python:%s.pretxnkw' % mod)
+    del mod
 
 
 def pretxnkw(ui, repo, hooktype, **args):