import socket
import pwd
import grp
+import traceback
+from collections import namedtuple
tuerSock = "/run/tuer.sock"
# available commands
def helpcmd(c):
if (len(c) > 1):
- print(commands.get(c[1],(None,'Can\'t find help for command %s'%(c[1])))[1])
+ print(commands.get(c[1],(None,'Can\'t find help for command %s'%(c[1]))).helpstring)
else:
print("Available commands: %s" % ", ".join(sorted(commands.keys())))
print("Use 'help command' to get more information on the command 'command'")
cmds[newname] = cmds[oldname]
return cmds
+CmdEntry = namedtuple('CmdEntry','function helpstring')
+
commands = alias({
- 'exit': (exitcmd, 'Quits this shell'),
- 'help': (helpcmd, 'Helps you getting to know the available commands'),
- 'open': (sendcmd(tuerSock, 'unlock'), 'Will try to unlock the apartment door'),
- 'buzz': (sendcmd(tuerSock, 'buzz'), 'Will buzz the buzzer for the street door'),
- 'who': (whocmd, 'Shows the list of people, who are allowed to control this system'),
+ 'exit': CmdEntry(exitcmd, 'Quits this shell'),
+ 'help': CmdEntry(helpcmd, 'Helps you getting to know the available commands'),
+ 'unlock': CmdEntry(sendcmd(tuerSock, 'unlock'), 'Will try to unlock the apartment door'),
+ 'buzz': CmdEntry(sendcmd(tuerSock, 'buzz'), 'Will buzz the buzzer for the street door'),
+ 'who': CmdEntry(whocmd, 'Shows the list of people, who are allowed to control this system'),
},{
# aliases
- 'unlock': 'open',
+ 'open': 'unlock',
})
def complete_command(cmd):
print("Command %s not found. Use help." % command[0])
elif len(cmdoptions) == 1: # exactly one command fits (prefix)
try:
- res = commands[cmdoptions[0]][0](command)
+ res = commands[cmdoptions[0]].function(command)
if res: break
except Exception as e:
print("Error while executing %s: %s" % (command[0], str(e)))
+ #print(traceback.format_exc())
else: # multiple commands fit the prefix
print("Ambiguous command prefix, please choose one of the following:")
print("\t", " ".join(cmdoptions))