设置python 命令行交互程序自己主动补齐

  1. 1. 新建Python环境变量配置文件:

    vim ~/.pystartup

    # Add auto-completion and a stored history file of commands to your Python
    # interactive interpreter. Requires Python 2.0+, readline. Autocomplete is
    # bound to the Esc key by default (you can change it - see readline docs).
    #
    # Store the file in ~/.pystartup, and set an environment variable to point
    # to it: "export PYTHONSTARTUP=~/.pystartup" in bash.
    import atexit
    import os
    import readline
    import rlcompleter
    readline.parse_and_bind('tab: complete')
    historyPath = os.path.expanduser("~/.pyhistory")
    def save_history(historyPath=historyPath):
    import readline
    readline.write_history_file(historyPath)
    if os.path.exists(historyPath):
    readline.read_history_file(historyPath)
    atexit.register(save_history)
    del os, atexit, readline, rlcompleter, save_history, historyPath
  2. 2.设置Python环境变量:

  3. 即时生效,重新启动失效:export PYTHONSTARTUP=~/.pystartup  

  4. 永久对当前用户生效:echo "export PYTHONSTARTUP=~/.pystartup" >> ~/.bash_profile

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