Single-file executables

[Kevin Walzer]

Which of the Windows/Unix package builders for Python applications is
capable of creating single-file executables? I'm thinking of:

1. py2exe
2. Mcmillan Installer/PyInstaller
3. cxfreeze

The apps I've seen created by py2exe aren't single-file at all, the
install folder is full of files besides the main program. I'm looking
for a solution that stuffs all libraries, scripts, and the Python
runtime into one file.

-- 
Kevin Walzer
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http://www.wordtech-software.com