diff --git a/pytools/py_codegen.py b/pytools/py_codegen.py
new file mode 100644
index 0000000000000000000000000000000000000000..54fae76c618ad4dd25b640a4f632580e4f2eb998
--- /dev/null
+++ b/pytools/py_codegen.py
@@ -0,0 +1,87 @@
+from __future__ import division
+
+__copyright__ = "Copyright (C) 2009-2013 Andreas Kloeckner"
+
+__license__ = """
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+"""
+
+
+class Indentation(object):
+    def __init__(self, generator):
+        self.generator = generator
+
+    def __enter__(self):
+        self.generator.indent()
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        self.generator.dedent()
+
+
+class PythonCodeGenerator(object):
+    def __init__(self):
+        self.preamble = []
+        self.code = []
+        self.level = 0
+
+    def extend(self, sub_generator):
+        self.code.extend(sub_generator.code)
+
+    def extend_indent(self, sub_generator):
+        with Indentation(self):
+            for line in sub_generator.code:
+                self.write(line)
+
+    def get(self):
+        result = "\n".join(self.code)
+        if self.preamble:
+            result = "\n".join(self.preamble) + "\n" + result
+        return result
+
+    def add_to_preamble(self, s):
+        self.preamble.append(s)
+
+    def __call__(self, s):
+        if not s.strip():
+            self.code.append("")
+        else:
+            self.code.append(" "*(4*self.level) + s)
+
+    def indent(self):
+        self.level += 1
+
+    def dedent(self):
+        if self.level == 0:
+            raise RuntimeError("internal error in python code generator")
+        self.level -= 1
+
+
+class PythonFunctionGenerator(PythonCodeGenerator):
+    def __init__(self, name, args):
+        PythonCodeGenerator.__init__(self)
+        self.name = name
+
+        self("def %s(%s):" % (name, ", ".join(args)))
+        self.indent()
+
+    def get_function(self):
+        result_dict = {}
+        exec(compile(self.get(), "<generated function %s>" % self.name, "exec"),
+                result_dict)
+        return result_dict[self.name]