diff --git a/python-stdlib/os-path/os/path.py b/python-stdlib/os-path/os/path.py
index 7b4f937e5..b9ae1972f 100644
--- a/python-stdlib/os-path/os/path.py
+++ b/python-stdlib/os-path/os/path.py
@@ -66,6 +66,13 @@ def isdir(path):
         return False
 
 
+def isfile(path):
+    try:
+        return bool(os.stat(path)[0] & 0x8000)
+    except OSError:
+        return False
+
+
 def expanduser(s):
     if s == "~" or s.startswith("~/"):
         h = os.getenv("HOME")
diff --git a/python-stdlib/os-path/test_path.py b/python-stdlib/os-path/test_path.py
index d2d3a3be4..85178364b 100644
--- a/python-stdlib/os-path/test_path.py
+++ b/python-stdlib/os-path/test_path.py
@@ -20,3 +20,7 @@
 assert isdir(dir + "/os")
 assert not isdir(dir + "/os--")
 assert not isdir(dir + "/test_path.py")
+
+assert not isfile(dir + "/os")
+assert isfile(dir + "/test_path.py")
+assert not isfile(dir + "/test_path.py--")