hooky, a really terrible package manager shell.

hooky.py

#!/usr/bin/python3

__author__="Kamilion@gmail.com"

import simpleeval
import apt

import readline
import os
import atexit

HISTFILE = os.path.join(os.environ["HOME"], ".hooky", ".hooky-history")

def update_repos():
    print("Updating repositories")

def install(package):
    print("Installing " + package)
    pkg = cache[package]
    pkg.mark_install()
    res = cache.commit(fprogress, iprogress)

def remove(package):
    print("Removing " + package)
    pkg = cache[package]
    pkg.mark_delete()
    res = cache.commit(fprogress, iprogress)

def purge(package):
    print("Purging " + package)
    pkg = cache[package]
    pkg.mark_delete(True)
    res = cache.commit(fprogress, iprogress)

def main():

    try:
        readline.read_history_file(HISTFILE)
    except IOError:
        pass
    readline.parse_and_bind('tab: complete')
    
    commander = simpleeval.SimpleEval()
    commander.functions["update"] = update_repos
    commander.functions["install"] = install
    commander.functions["remove"] = remove
    commander.functions["purge"] = purge

    while True:
        command_line = input("hooky> ")
        if command_line in "exit quit bye".split():
            return
        if command_line:
            try:
                commander.eval(command_line)
            except simpleeval.FunctionNotDefined:
                print("I don't know that token.")

cache = apt.Cache(apt.progress.text.OpProgress())

fprogress = apt.progress.text.AcquireProgress()
iprogress = apt.progress.base.InstallProgress()

if __name__ == "__main__":
    try:
        main()
    except EOFError:
        print()
    atexit.register(readline.write_history_file, HISTFILE)