
document.UploadForm.cleanUpFileName
-----------------------------------

Uploads from win/IE need some cleanup because the filename includes also the path.

    >>> from p01.fswidget.converter import extractFileName

Plain filename:

    >>> extractFileName('text.doc')
    'text.doc'

Windoze fun:

    >>> extractFileName('c:\\text.doc')
    'text.doc'

    >>> extractFileName('c:\\text')
    Traceback (most recent call last):
    ...
    ValueError: Missing filename extension.

    >>> extractFileName('c:\\Program Files\\text.doc')
    'text.doc'

    >>> extractFileName('c:\\Program Files\\text')
    Traceback (most recent call last):
    ...
    ValueError: Missing filename extension.

    >>> extractFileName('text..doc')
    'text..doc'

    >>> extractFileName('text...doc')
    'text...doc'

    >>> extractFileName('u:\\my.crap\\text..doc')
    'text..doc'

linux fun:

    >>> extractFileName('/home/adi/text.doc')
    'text.doc'

    >>> extractFileName('/text')
    Traceback (most recent call last):
    ...
    ValueError: Missing filename extension.

    >>> extractFileName('/home/adi/text')
    Traceback (most recent call last):
    ...
    ValueError: Missing filename extension.

    >>> extractFileName('/home/adi/text..doc')
    'text..doc'

    >>> extractFileName('/home/adi/text...doc')
    'text...doc'

    >>> extractFileName('/home/new adi/text.doc')
    'text.doc'

    >>> extractFileName('/home/new.adi/text.doc')
    'text.doc'

mac fun:
(no idea if this is valid)

    >>> extractFileName('home:adi:text.doc')
    'text.doc'

    >>> extractFileName('home:adi:text...doc')
    'text...doc'

    >>> extractFileName('home:new adi:text.doc')
    'text.doc'

    >>> extractFileName('home:new.adi:text.doc')
    'text.doc'
