# HG changeset patch
# User ja...py@farowl.co.uk
# Date 1329003177 0
# Node ID ad749b17913ca9bb6d4fb647752e4ef0eb2b0dd2
# Parent  9c9c311c201b830a512b447e956c7f7d3e00d7b6
Issue 1837 fix. Replace use of os.path.samefile with path test in gderived.py, so it works on Windows

diff -r 9c9c311c201b -r ad749b17913c src/templates/gderived.py
--- a/src/templates/gderived.py	Fri Feb 10 10:29:16 2012 -0800
+++ b/src/templates/gderived.py	Sat Feb 11 23:32:57 2012 +0000
@@ -23,6 +23,15 @@
 
 modif_re = re.compile(r"(?:\((\w+)\))?(\w+)")
 
+# os.path.samefile unavailable on Windows before Python v3.2
+if hasattr(os.path,"samefile"):
+    # Good: available on this platform
+    os_path_samefile = os.path.samefile
+else:
+    def os_path_samefile(a,b):
+        'Files are considered the same if their absolute paths are equal'
+        return os.path.abspath(a)==os.path.abspath(b)
+
 class Gen:
 
     priority_order = ['require','define','base_class',
@@ -212,7 +221,7 @@
     org.python.core
     """
     parent = os.path.dirname(fn)
-    if os.path.samefile(parent, core_dir):
+    if os_path_samefile(parent, core_dir):
         return result
 
     print 'Fixing header for: %s' % fn
@@ -220,7 +229,7 @@
     while True:
         parent, tail = os.path.split(parent)
         dirs.insert(0, tail)
-        if os.path.samefile(parent, org_python_dir) or not tail:
+        if os_path_samefile(parent, org_python_dir) or not tail:
             break
 
     result = result.splitlines()