+++ /dev/null
-#!/usr/bin/python3
-import os
-import readline
-import shlex
-import sys
-import subprocess
-import socket
-
-tuerSock = "/run/tuer.sock"
-
-# use a histfile
-histfile = os.path.join(os.path.expanduser("~"), ".tyshellhist")
-try:
- readline.read_history_file(histfile)
-except IOError:
- pass
-import atexit
-atexit.register(readline.write_history_file, histfile)
-atexit.register(print, "Bye")
-
-# available commands
-def helpcmd(c):
- print("Available commands: %s" % ", ".join(sorted(longcommands.keys())))
-
-def extcmd(cmd):
- def run(c):
- ret = subprocess.call(cmd)
- if ret != 0:
- print("Command returned non-zero exit statis %d" % ret)
- return run
-
-def sendcmd(addr, cmd):
- def run(c):
- print("Running %s..." % (cmd))
- s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
- s.connect(addr)
- s.send(cmd.encode())
- data = s.recv(4)
- s.close()
- print("...done")
- if data != b'1':
- print("Received unexpected answer %s" % str(data))
- return run
-
-def exitcmd(c):
- sys.exit(0)
-
-commands = {
- 'exit': exitcmd,
- 'help': helpcmd,
- 'open': sendcmd(tuerSock, 'open'),
- 'close': sendcmd(tuerSock, 'close'),
- 'buzz': sendcmd(tuerSock, 'buzz'),
-}
-
-# command convenience shortcuts
-def filterCommonPrefix (strings, length):
- # ignores duplicates in the string list "strings"
- toremove=[]
- for a in strings:
- for b in strings:
- if a != b:
- if a[:length] == b[:length]:
- toremove.append(a)
- toremove.append(b)
- ret = list(strings) # copy
- for x in toremove:
- try:
- ret.remove(x)
- except ValueError:
- pass
- return ret
-
-def shortcutify (dic):
- maxlen = 0
- for x in dic.keys():
- if len(x) > maxlen:
- maxlen = len(x)
- for i in range(maxlen):
- shortable = filterCommonPrefix (dic.keys(), i)
- for x in shortable:
- dic[x[:i]] = dic[x]
- return dic # only for convenience, as dic is passed by reference
-
-longcommands = commands.copy()
-shortcutify (commands)
-
-
-# input loop
-print("Welcome to tyshell. Use help to see what you can do.")
-while True:
- try:
- command = input("$ ")
- except EOFError:
- print()
- break
- command = shlex.split(command)
- if not len(command): continue
- # execute command
- if command[0] in commands:
- try:
- commands[command[0]](command)
- except Exception as e:
- print("Error while executing %s: %s" % (command[0], str(e)))
- else:
- print("Command %s not found. Use help." % command[0])
-