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###
# Copyright (c) 2002-2005, Jeremiah Fincher
# Copyright (c) 2010-2021, Valentin Lorentz
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions, and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions, and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the author of this software nor the name of
# contributors to this software may be used to endorse or promote products
# derived from this software without specific prior written consent.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
###
"""
This is for debugging purposes only and you shouldn't load this it unless
a Supybot developer requests you to debug some issue.
"""
# Import supybot for easier access to the module namespace
import supybot
import supybot.plugins as plugins
import gc
import os
import sys
try:
import exceptions
except ImportError: # Python 3
import builtins
class exceptions:
"""Pseudo-module"""
pass
for (key, value) in list(exceptions.__dict__.items()):
if isinstance(value, type) and issubclass(value, Exception):
exceptions[key] = value
import supybot.conf as conf
import supybot.utils as utils
import supybot.ircdb as ircdb
from supybot.commands import *
import supybot.ircmsgs as ircmsgs
import supybot.callbacks as callbacks
def getTracer(fd):
def tracer(frame, event, _):
if event == 'call':
code = frame.f_code
fd.write('%s: %s\n' % (code.co_filename, code.co_name))
return tracer
def checkAllowShell(irc):
if not conf.supybot.commands.allowShell():
irc.error('This command is not available, because '
'supybot.commands.allowShell is False.', Raise=True)
class Debug(callbacks.Privmsg):
"""This plugin provides debugging abilities for Supybot. It
should not be loaded with a default installation."""
capability = 'owner'
def __init__(self, irc):
# Setup exec command.
self.__parent = super(Debug, self)
self.__parent.__init__(irc)
setattr(self.__class__, 'exec', self.__class__._exec)
def callCommand(self, name, irc, msg, *args, **kwargs):
if ircdb.checkCapability(msg.prefix, self.capability):
self.__parent.callCommand(name, irc, msg, *args, **kwargs)
else:
irc.errorNoCapability(self.capability)
_evalEnv = {'_': None,
'__': None,
'___': None,
}
_evalEnv.update(globals())
def eval(self, irc, msg, args, s):
"""<expression>
Evaluates <expression> (which should be a Python expression) and
returns its value. If an exception is raised, reports the
exception (and logs the traceback to the bot's logfile).
"""
checkAllowShell(irc)
try:
self._evalEnv.update(locals())
x = eval(s, self._evalEnv, self._evalEnv)
self._evalEnv['___'] = self._evalEnv['__']
self._evalEnv['__'] = self._evalEnv['_']
self._evalEnv['_'] = x
irc.reply(repr(x))
except SyntaxError as e:
irc.reply(format('%s: %q', utils.exnToString(e), s))
eval = wrap(eval, ['text'])
def _exec(self, irc, msg, args, s):
"""<statement>
Execs <code>. Returns success if it didn't raise any exceptions.
"""
checkAllowShell(irc)
exec(s)
irc.replySuccess()
_exec = wrap(_exec, ['text'])
def simpleeval(self, irc, msg, args, text):
"""<expression>
Evaluates the given expression.
"""
checkAllowShell(irc)
try:
irc.reply(repr(eval(text)))
except Exception as e:
irc.reply(utils.exnToString(e))
simpleeval = wrap(simpleeval, ['text'])
def exn(self, irc, msg, args, name):
"""<exception name>
Raises the exception matching <exception name>.
"""
checkAllowShell(irc) # Just to be safe, but probably not needed.
if isinstance(__builtins__, dict):
exn = __builtins__[name]
else:
exn = getattr(__builtins__, name)
raise exn(msg.prefix)
exn = wrap(exn, ['text'])
def sendquote(self, irc, msg, args, text):
"""<raw IRC message>
Sends (not queues) the raw IRC message given.
"""
msg = ircmsgs.IrcMsg(text)
irc.sendMsg(msg)
sendquote = wrap(sendquote, ['text'])
def settrace(self, irc, msg, args, filename):
"""[<filename>]
Starts tracing function calls to <filename>. If <filename> is not
given, sys.stdout is used. This causes much output.
"""
checkAllowShell(irc)
if filename:
fd = open(filename, 'a')
else:
fd = sys.stdout
sys.settrace(getTracer(fd))
irc.replySuccess()
settrace = wrap(settrace, [additional('filename')])
def unsettrace(self, irc, msg, args):
"""takes no arguments
Stops tracing function calls on stdout.
"""
checkAllowShell(irc)
sys.settrace(None)
irc.replySuccess()
unsettrace = wrap(unsettrace)
def channeldb(self, irc, msg, args, channel):
"""[<channel>]
Returns the result of the channeldb converter.
"""
irc.reply(channel)
channeldb = wrap(channeldb, ['channeldb'])
def collect(self, irc, msg, args, times):
"""[<times>]
Does <times> gc collections, returning the number of objects collected
each time. <times> defaults to 1.
"""
L = []
while times:
L.append(gc.collect())
times -= 1
irc.reply(format('%L', list(map(str, L))))
collect = wrap(collect, [additional('positiveInt', 1)])
def environ(self, irc, msg, args):
"""takes no arguments
Returns the environment of the supybot process.
"""
checkAllowShell(irc) # possibly some secret data in the env
irc.reply(repr(os.environ))
environ = wrap(environ)
Class = Debug
# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
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