pythonrc

# Save as ~/.pythonrc and add 'export PYTHONSTARTUP=~/.pythonrc' to ~/.bashrc

def setup_history():
    import os
    import atexit
    import readline

    historyPath = os.path.expanduser("~/.python_history")

    if not os.path.exists(historyPath) and not os.path.isdir(historyPath):
        try:
            open(historyPath, 'w').close()
        except IOError:
            pass

    if os.access(historyPath, os.W_OK):
        atexit.register(readline.write_history_file, historyPath)

    if os.access(historyPath, os.R_OK):
        readline.read_history_file(historyPath)

def setup_prompt():
    import sys
    import os

    if os.environ.get("TERM", "").count("256") > 0:
        sys.ps1 = '\001\033[1;36m\002>>> \001\033[0m\002'
        sys.ps2 = '\001\033[1;31m\002... \001\033[0m\002'

def setup_completion():
    import readline
    import rlcompleter

    old_complete = readline.get_completer()
    def complete(text, state):
        if not text:
            return ('\t', None)[state]
        return old_complete(text, state)

    if 'libedit' in readline.__doc__:
        readline.parse_and_bind("bind '\t' rl_complete")
    else:
        readline.parse_and_bind("tab: complete")
    readline.set_completer(complete)

setup_prompt()
setup_history()
setup_completion()

# cleanup symbols
del setup_prompt, setup_history, setup_completion

# import things we want in the global scope of our shell
import os
import re
import sys
from math import *