.python-startup

import os, sys

# Coloured prompt
try:
    import readline
except ImportError:
    sys.ps1 = '\033[0;32m>>> \033[0m'
    sys.ps2 = '\033[0;32m... \033[0m'
else:
    sys.ps1 = '\001\033[0;32m\002>>> \001\033[0m\002'
    sys.ps2 = '\001\033[0;32m\002... \001\033[0m\002'

# Completion!
try:
    import readline
except ImportError:
    print("Module readline not available.")
else:
    # persistent history
    histfile = os.path.expanduser('~/.python%i_history' % sys.version_info.major)
    try:
        readline.read_history_file(histfile)
    except IOError:
        pass
    import atexit
    atexit.register(readline.write_history_file, histfile)
    del histfile, atexit
    # tab completion
    import rlcompleter
    readline.parse_and_bind("tab: complete")
    del rlcompleter
    del readline

del sys
del os