wrapper_command WIP
This commit is contained in:
Dico200
@@ -1,11 +1,232 @@
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from wrapper_player import *
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from helpers import *
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def command(command = "help"):
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def decorator(wrapped):
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@hook.command(command)
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def wrapper(sender, command, label, args):
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root_commands = Command_dict() # {"command": command_object}
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def check_arguments(command, arguments):
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prev_required = True
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type_message_seen = False
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prev_arg = arguments[0] if len(arguments) > 0 else None
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for arg_info in arguments[1:]:
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if not prev_arg.required and arg_info.required:
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raise Argument_exception("Command: %s; There may not be required arguments after non-required arguments" % command)
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if prev_arg.type == Argument.MESSAGE:
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raise Argument_exception("Command: %s; An argument of type MESSAGE may not be followed by other arguments" % command)
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prev_arg = arg_info
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#--------------------------------------------------------------------------------------
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class Command_dict(dict):
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#{"cmd1" : cmd_object}
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def get_command_object(self, alias):
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for cmd_name, cmd_obj in self.iteritems():
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if alias == cmd_name or alias in cmd_obj.aliases:
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return cmd_obj
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raise KeyError("Subcommand '%s' was not found" % alias)
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#--------------------------------------------------------------------------------------
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class Command(object):
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def __init__(self,
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command,
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aliases = (),
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arguments = (
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Argument("target", Argument.string, "the player to teleport to"),
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Argument("second target", Argument.string, "the player to teleport", False),
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),
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parent = None):
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self.command = command.lower()
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self.arguments = arguments
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check_arguments(self.command, self.arguments)
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prev_required = True
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for arg_info in self.arguments:
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if not prev_required and arg_info.required:
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raise Argument_exception("Command: %s; There may not be required arguments after non-required arguments" % self.command)
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self.aliases = tuple(alias.lower() for alias in aliases)
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self.parent = parent
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self.sub_commands = Command_dict()
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if self.parent == None:
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root_commands[self.command] = self
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else:
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try:
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return wrapped(sender = py_players[sender], command = command, label = label, args = args)
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except:
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print(print_traceback())
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return decorator
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parent_route = self.parent.split(" ")
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parent_sub_commands = root_commands
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parent_obj = None
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for cmd_name in parent_route:
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parent_obj = parent_sub_commands.get_command_object(cmd_name)
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parent_sub_commands = parent_obj.sub_commands
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parent_obj.sub_commands[self.command] = self
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except command_exception, e:
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error("Error occurred while setting up command hierarchy. " + e.message + "\n" + trace())
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def __call__(self, handler):
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self.handler = handler
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if parent == None:
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@hook.command(self.command, self.aliases)
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def run(sender, command, label, args):
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try:
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message = self.execute(sender, command, label, args)
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except Command_exception as e:
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message = e.message
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except Exception:
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error(trace())
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return True
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if message:
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sender.sendMessage(message)
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return True
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return handler
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def execute(self, sender, command, label, args):
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try:
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return self.sub_commands.get_command_object(args[0].lower()).execute(sender, command, label, args[1:])
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except (KeyError, IndexError):
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self.execute_checks(sender, command, label, args)
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def execute_checks(self, sender, command, label, args):
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#TODO
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scape = Command_scape(args, self.arguments)
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if is_player(sender):
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sender = py_players[sender]
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return self.handler(sender, self, scape)
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def syntax(self):
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return " ".join(tuple(arg_info.syntax() for arg_info in self.arguments))
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#--------------------------------------------------------------------------------------
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class Command_scape(list):
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def __init__(self, args, arg_layout):
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super(list, self).__init__()
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self.raw = args
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self.arg_layout = arg_layout
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has_message = False
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for i in range(len(arg_layout)):
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arg_info = arg_layout[i]
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given = (len(args) >= i + 1)
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if arg_info.required and not given:
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raise Argument_exception("You must specify the " + arg_info.name)
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if not given:
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self.append(None)
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continue
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given_arg = args[i]
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arg_type = arg_info.type
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if arg_type == Argument.STRING:
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self.append(given_arg)
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elif arg_type == Argument.INTEGER:
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try:
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value = int(given_arg)
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except ValueError:
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raise Argument_exception("The %s has to be a round number" % arg_info.name)
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self.append(value)
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elif arg_type == Argument.FLOAT:
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try:
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value = float(given_arg)
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except ValueError:
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raise Argument_exception("The %s has to be a number" % arg_info.name)
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self.append(value)
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elif arg_type == Argument.PLAYER:
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target = server.getPlayer(given_arg)
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if target == None:
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raise Argument_exception("The %s has to be an online player" % arg_info.name)
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self.append(py_players[target])
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elif arg_type == Argument.OFFLINE_PLAYER:
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try:
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# Code to get the PY PLAYER by name. Possibly, uid(server.getOfflinePlayer(given_arg)) can be used?
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pass
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except KeyError:
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raise Argument_exception("The %s has to be an existing player" % arg_info.name)
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self.append(None)
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elif arg_type == Argument.MESSAGE:
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self.append(" ".join(args[i:]))
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has_message = True
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else:
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error("Argument type not found: %d" % arg_type)
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raise Argument_exception("A weird thing has happened, please contact an administrator")
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if not has_message:
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self.remainder = args[len(arg_layout):]
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else:
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self.remainder = None
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def has_flag(self, flag, check_all = False):
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return (("-" + flag) in self.raw) if check_all else (("-" + flag) in self.remainder)
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def get_raw(self):
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return self.raw
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def get_arg_layout(self):
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return self.arg_layout
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#--------------------------------------------------------------------------------------
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class Command_exception(Exception):
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def __init__(self, message):
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self.message = message
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class Argument_exception(Exception):
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def __init__(self, message):
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self.message = message
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#--------------------------------------------------------------------------------------
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class Argument():
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STRING = 0
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INTEGER = 1
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FLOAT = 2
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PLAYER = 3
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OFFLINE_PLAYER = 4
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MESSAGE = 5
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def __init__(self, name, type, definition, required = True):
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self.name = name
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self.type = type
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self.definition = definition
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self.required = required
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def syntax(self):
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syntax = self.name
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if self.type == Argument.MESSAGE:
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syntax += "..."
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return (("<%s>" if self.required else "[%s]") % syntax)
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#--------------------------------------------------------------------------------------
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class Validate():
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@staticmethod
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def is_true(expression, fail_message):
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if not expression:
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raise Command_exception(fail_message)
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@staticmethod
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def not_none(obj, fail_message):
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if obj == None:
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raise Command_exception(fail_message)
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