This directory contains a number of Python programs that are useful while building or extending Python. buildbot Batchfiles for running on Windows buildslaves. ccbench A Python concurrency benchmark. framer Generate boilerplate code for C extension types. freeze Create a stand-alone executable from a Python program. gdb Python code to be run inside gdb, to make it easier to debug Python itself (by David Malcolm). i18n Tools for internationalization. pygettext.py parses Python source code and generates .pot files, and msgfmt.py generates a binary message catalog from a catalog in text format. iobench Benchmark for the new Python I/O system. msi Support for packaging Python as an MSI package on Windows. pybench Comprehensive Python benchmarking suite. pynche A Tkinter-based color editor. scripts A number of useful single-file programs, e.g. tabnanny.py (by Tim Peters), which checks for inconsistent mixing of tabs and spaces. ssl Currently, a tool to fetch server certificates. unicode Tools used to generate unicode database files for Python 2.0 (by Fredrik Lundh). world Script to take a list of Internet addresses and print out where in the world those addresses originate from, based on the top-level domain country code found in the address.