diff --git a/Lib/dospath.py b/Lib/dospath.py
index a956c09..d7aa752 100644
--- a/Lib/dospath.py
+++ b/Lib/dospath.py
@@ -332,3 +332,10 @@
 		comps.append('.')
 	return prefix + string.joinfields(comps, os.sep)
 
+
+
+# Return an absolute path.
+def abspath(path):
+    if not isabs(path):
+        path = join(os.getcwd(), path)
+    return normpath(path)
diff --git a/Lib/macpath.py b/Lib/macpath.py
index 68dd6d4..b19d5a1 100644
--- a/Lib/macpath.py
+++ b/Lib/macpath.py
@@ -212,3 +212,10 @@
 		name = join(top, name)
 		if isdir(name):
 			walk(name, func, arg)
+
+
+# Return an absolute path.
+def abspath(path):
+    if not isabs(path):
+        path = join(os.getcwd(), path)
+    return normpath(path)
diff --git a/Lib/ntpath.py b/Lib/ntpath.py
index ca7f3d1..6bab89d 100644
--- a/Lib/ntpath.py
+++ b/Lib/ntpath.py
@@ -365,3 +365,10 @@
     if not prefix and not comps:
         comps.append('.')
     return prefix + string.joinfields(comps, os.sep)
+
+
+# Return an absolute path.
+def abspath(path):
+    if not isabs(path):
+        path = join(os.getcwd(), path)
+    return normpath(path)
diff --git a/Lib/posixpath.py b/Lib/posixpath.py
index fb3b6a6..36edc80 100644
--- a/Lib/posixpath.py
+++ b/Lib/posixpath.py
@@ -367,3 +367,10 @@
     if not comps and not slashes:
         comps.append('.')
     return slashes + string.joinfields(comps, '/')
+
+
+# Return an absolute path.
+def abspath(path):
+    if not isabs(path):
+        path = join(os.getcwd(), path)
+    return normpath(path)