Supybot-plugins/StdoutCapture/plugin.py

124 lines
4.7 KiB
Python

###
# Copyright (c) 2013, 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.
###
import sys
import json
import logging
import weakref
import supybot.utils as utils
from supybot.commands import *
import supybot.plugins as plugins
import supybot.ircutils as ircutils
import supybot.callbacks as callbacks
try:
from supybot.i18n import PluginInternationalization
_ = PluginInternationalization('StdoutCapture')
except:
# Placeholder that allows to run the plugin on a bot
# without the i18n module
_ = lambda x:x
class StdoutBuffer:
_buffer = utils.structures.RingBuffer(100)
def __init__(self, stdout):
self._real = stdout
def write(self, data):
self._real.write(data)
if data == '\n':
self._buffer[-1] += '\n'
else:
self._buffer.append(data)
def flush(self):
pass
class StdoutCapture(callbacks.Plugin):
"""Add the help for "@plugin help StdoutCapture" here
This should describe *how* to use this plugin."""
def __init__(self, irc):
super(StdoutCapture, self).__init__(irc)
self.StdoutBuffer = StdoutBuffer
sys.stdout = self.StdoutBuffer(sys.stdout)
sys.stderr = self.StdoutBuffer(sys.stderr)
# I'm being a bit evil here.
for logger in logging._handlerList:
if isinstance(logger, weakref.ref):
logger = logger()
if not hasattr(logger, 'stream'):
continue
if logger.stream is sys.stdout._real:
logger.stream = sys.stderr
elif logger.stream is sys.stderr._real:
logger.stream = sys.stderr
def die(self):
super(self.__class__, self).die()
assert isinstance(sys.stdout, self.StdoutBuffer)
assert isinstance(sys.stdout, self.StdoutBuffer)
for logger in logging._handlerList:
logger = logger()
if not hasattr(logger, 'stream'):
continue
if logger.stream in (sys.stdout, sys.stderr):
logger.stream = logger.stream._real
sys.stdout = sys.stdout._real
sys.stderr = sys.stderr._real
def history(self, irc, msg, args, number):
"""<number>
Return the last lines displayed in the console."""
irc.replies(StdoutBuffer._buffer[-number:])
history = wrap(history, ['positiveInt', 'owner'])
def pastebin(self, irc, msg, args, number, url=None):
"""<number> [<pastebin url>]
Paste the last lines displayed in the console on a pastebin and
returns the URL.
The pastebin has to support the LodgeIt API."""
base = url or self.registryValue('pastebin', msg.args[0])
if base.endswith('/'):
base = base[0:-1]
fd = utils.web.getUrlFd(base+'/json/?method=pastes.newPaste',
data=json.dumps({
'language': 'text',
'code': ''.join(StdoutBuffer._buffer[-number:]),
}),
headers={'Content-Type': 'application/json'})
irc.reply('%s/show/%s' % (base, json.load(fd)['data']))
pastebin = wrap(pastebin, ['owner', 'positiveInt', optional('text')])
Class = StdoutCapture
# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79: