def fbuffer(file, chunk_size=10000):
    while True:
        chunk = file.read(chunk_size)
        if not chunk:
            break
        yield chunk
form = cgi.FieldStorage(encoding='cp1251')
file_item = form['files']
if file_item.filename:
        f = open(album_path + '/' + file_item.filename, 'wb')
        for chunk in fbuffer(file_item.file):
                 f.write(chunk)
        f.close()

<form action="/cgi-bin/admin.py" method="POST" enctype="multipart/form-data">
<input name="files" type="file"/>
</form>

C:\python33\python.exe -m http.server --cgi 8000