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import Utils
STR_MORE = " (more...)"
STR_CONTINUED = "(...continued) "
OUT_CUTOFF = 400
class Out(object):
def __init__(self, module_name, target):
self.module_name = module_name
self.target = target
self._text = ""
self.written = False
def write(self, text):
self._text += text
self.written = True
return self
def send(self):
if self.has_text():
text = "[%s] %s" % (self.prefix(), self._text)
text_encoded = text.encode("utf8")
if len(text_encoded) > OUT_CUTOFF:
text = "%s%s" % (text_encoded[:OUT_CUTOFF].decode("utf8"
).rstrip(), STR_MORE)
self._text = "%s%s" % (STR_CONTINUED, text_encoded[OUT_CUTOFF:
].decode("utf8").lstrip())
self.target.send_message(text)
def set_prefix(self, prefix):
self.module_name = prefix
def has_text(self):
return bool(self._text)
class StdOut(Out):
def prefix(self):
return "%s%s%s" % (Utils.color(Utils.COLOR_GREEN),
self.module_name, Utils.FONT_RESET)
class StdErr(Out):
def prefix(self):
return "%s!%s%s" % (Utils.color(Utils.COLOR_RED),
self.module_name, Utils.FONT_RESET)
class Module(object):
def __init__(self, bot):
self.bot = bot
bot.events.on("received").on("message").on("channel").hook(
self.channel_message)
bot.events.on("received").on("message").on("private").hook(
self.private_message)
bot.events.on("received").on("command").on("help").hook(self.help,
help="Show help on commands")
bot.events.on("received").on("command").on("more").hook(self.more,
help="Get more output from the last command")
bot.events.on("new").on("user", "channel").hook(self.new)
bot.events.on("send").on("stdout").hook(self.send_stdout)
bot.events.on("send").on("stderr").hook(self.send_stderr)
def new(self, event):
if "user" in event:
target = event["user"]
else:
target = event["channel"]
target.last_stdout = None
target.last_stderr = None
def has_command(self, command):
return command.lower() in self.bot.events.on("received").on(
"command").get_children()
def get_hook(self, command):
return self.bot.events.on("received").on("command").on(command
).get_hooks()[0]
def is_highlight(self, server, s):
return s.lower() == server.nickname_lower or (s.lower().startswith(
server.nickname_lower) and len(s) == len(server.nickname_lower
)+1 and s[-1] in [":", ","])
def message(self, event, command, args_index=1):
if self.has_command(command):
hook = self.get_hook(command)
is_channel = False
if "channel" in event:
target = event["channel"]
is_channel = True
else:
target = event["user"]
if not is_channel and hook.kwargs.get("channel_only"):
return
log = target.log
log.skip_next()
module_name = hook.function.__self__._name
stdout, stderr = StdOut(module_name, target), StdErr(module_name,
target)
returns = self.bot.events.on("preprocess").on("command"
).call(hook=hook, user=event["user"], server=event["server"])
for returned in returns:
if returned:
stderr.write(returned).send()
return
args_split = list(filter(None, event["message_split"][args_index:]))
min_args = hook.kwargs.get("min_args")
if min_args and len(args_split) < min_args:
stderr.write("Not enough arguments (minimum: %d)" % min_args
).send()
else:
args = " ".join(args_split)
server = event["server"]
user = event["user"]
self.bot.events.on("received").on("command").on(command).call(
1, user=user, server=server, target=target, log=log,
args=args, args_split=args_split, stdout=stdout, stderr=stderr,
command=command.lower())
stdout.send()
target.last_stdout = stdout
stderr.send()
target.last_stderr = stderr
def channel_message(self, event):
command_prefix = event["channel"].get_setting("command_prefix",
event["server"].get_setting("command_prefix", "!"))
if event["message_split"][0].startswith(command_prefix):
command = event["message_split"][0].replace(
command_prefix, "", 1).lower()
self.message(event, command)
elif len(event["message_split"]) > 1 and self.is_highlight(
event["server"], event["message_split"][0]):
command = event["message_split"][1].lower()
self.message(event, command, 2)
def private_message(self, event):
if event["message_split"]:
command = event["message_split"][0].lower()
self.message(event, command)
def help(self, event):
if event["args"]:
command = event["args_split"][0].lower()
if command in self.bot.events.on("received").on(
"command").get_children():
hooks = self.bot.events.on("received").on("command").on(command).get_hooks()
if hooks and "help" in hooks[0].kwargs:
event["stdout"].write("%s: %s" % (command, hooks[0].kwargs["help"]))
else:
help_available = []
for child in self.bot.events.on("received").on("command").get_children():
hooks = self.bot.events.on("received").on("command").on(child).get_hooks()
if hooks and "help" in hooks[0].kwargs:
help_available.append(child)
help_available = sorted(help_available)
event["stdout"].write("Commands: %s" % ", ".join(help_available))
def more(self, event):
if event["target"].last_stdout and event["target"].last_stdout.has_text():
event["target"].last_stdout.send()
def send_stdout(self, event):
if event["target"].name[0] in event["server"].channel_types:
stdout = ChannelStdOut(event["module_name"], event["target"])
stdout.write(event["message"]).send()
if stdout.has_text():
event["target"].last_stdout = stdout
def send_stderr(self, event):
if event["target"].name[0] in event["server"].channel_types:
stderr = ChannelStdErr(event["module_name"], event["target"])
stderr.write(event["message"]).send()
if stderr.has_text():
event["target"].last_stderr = stderr
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