~$ cat .pythonstartup
import os
import readline
import rlcompleter
import atexit
#tab completion
readline.parse_and_bind("tab: complete")
#history file
history_file = os.path.join(os.environ["HOME"],".pythonhistory")
try:
readline.read_history_file(history_file)
except IOError:
pass
atexit.register(readline.write_history_file,history_file)
del os,history_file,readline,rlcompleter
.bashrc中追加
export PYTHONSTARTUP="~/.pythonstartup"
或
export PYTHONSTARTUP="$HOME/.pythonstartup"
source .bashrc使之生效
这样Python命令行就支持自动补全和记录历史命令的功能了