X-Git-Url: https://git.ralfj.de/saartuer.git/blobdiff_plain/6e7d90d419547705cb125adc7fe3626d9dc0fd49..bf408ef82859e90b60f30fd8edf6503c7e88394f:/tyshell

diff --git a/tyshell b/tyshell
index 34ef515..0b9b943 100755
--- a/tyshell
+++ b/tyshell
@@ -9,17 +9,18 @@ import socket
 tuerSock = "/run/tuer.sock"
 
 # use a histfile
-histfile = os.path.join(os.path.expanduser("~"), ".pyshellhist")
+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 help(c):
-	print("Available commands: %s" % ", ".join(sorted(commands.keys())))
+def helpcmd(c):
+	print("Available commands: %s" % ", ".join(sorted(longcommands.keys())))
 
 def extcmd(cmd):
 	def run(c):
@@ -41,14 +42,50 @@ def sendcmd(addr, cmd):
 			print("Received unexpected answer %s" % str(data))
 	return run
 
+def exitcmd(c):
+	sys.exit(0)
+
 commands = {
-	'exit': None, # catched below, quits the loop
-	'help': help,
+	'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:
@@ -60,13 +97,11 @@ while True:
 	command = shlex.split(command)
 	if not len(command): continue
 	# execute command
-	if command[0] == "exit":
-		break
-	elif command[0] in commands:
+	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])
-print("Bye")
+