pyc files not automatically compiled on import

[Fuzzyman]

On Jul 26, 5:22 pm, Baz Walter <baz... at ftml.net> wrote:
> hello
>
> i thought that python automatically compiled pyc files after a module is
> successfully imported. what could prevent this happening?
>
> Python 2.6.1 (r261:67515, Apr 12 2009, 03:51:25)
> [GCC 4.3.2] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
>  >>> import os
>  >>> os.mkdir('/home/baz/tmp/foo')
>  >>> os.chdir('/home/baz/tmp/foo')
>  >>> f = open('foo.py', 'w')
>  >>> f.write('print "hello world"\n')
>  >>> f.close()
>  >>> os.listdir('.')
> ['foo.py']
>  >>> import foo
> hello world
>  >>> os.listdir('.') # why no pyc file?
> ['foo.py']
>  >>> import py_compile
>  >>> py_compile.compile('foo.py')
>  >>> os.listdir('.')
> ['foo.py', 'foo.pyc']

Works for me I'm afraid (Mac OS X and Python 2.6).

Michael Foord
--
http://www.ironpythoninaction.com/