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264 lines
14 KiB
Python
Executable File
264 lines
14 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# IrcMiRCARTBot.py -- IRC<->MiRC2png bot (for EFnet #MiRCART)
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# Copyright (c) 2018 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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import base64
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import os, sys, time
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import json
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import IrcClient
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import requests, urllib.request
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from MiRCARTCanvasStore import MiRCARTCanvasStore
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from MiRCARTToPngFile import MiRCARTToPngFile
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class IrcMiRCARTBot(IrcClient.IrcClient):
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"""IRC<->MiRC2png bot"""
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clientChannelLastMessage = clientChannelOps = clientChannel = None
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clientChannelRejoin = None
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# {{{ ContentTooLargeException(Exception): Raised by _urlretrieveReportHook() given download size > 1 MB
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class ContentTooLargeException(Exception):
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pass
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# }}}
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# {{{ _dispatch001(self, message): Dispatch single 001 (RPL_WELCOME)
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def _dispatch001(self, message):
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self._log("Registered on {}:{} as {}, {}, {}.".format(self.serverHname, self.serverPort, self.clientNick, self.clientIdent, self.clientGecos))
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self._log("Attempting to join {} on {}:{}...".format(self.clientChannel, self.serverHname, self.serverPort))
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self.queue("JOIN", self.clientChannel)
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# }}}
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# {{{ _dispatch353(self, message): Dispatch single 353 (RPL_NAMREPLY)
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def _dispatch353(self, message):
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if message[4].lower() == self.clientChannel.lower():
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for channelNickSpec in message[5].split(" "):
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if len(channelNickSpec) \
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and channelNickSpec[0] == "@" \
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and len(channelNickSpec[1:]):
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self.clientChannelOps.append(channelNickSpec[1:].lower())
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self._log("Authorising {} on {}".format(channelNickSpec[1:].lower(), message[4].lower()))
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# }}}
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# {{{ _dispatchJoin(self, message): Dispatch single JOIN message from server
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def _dispatchJoin(self, message):
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self._log("Joined {} on {}:{}.".format(message[2].lower(), self.serverHname, self.serverPort))
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self.clientNextTimeout = None; self.clientChannelRejoin = False;
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# }}}
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# {{{ _dispatchKick(self, message): Dispatch single KICK message from server
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def _dispatchKick(self, message):
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if message[2].lower() == self.clientChannel.lower() \
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and message[3].lower() == self.clientNick.lower():
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self._log("Kicked from {} by {}, rejoining in 15 seconds".format(message[2].lower(), message[0]))
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self.clientNextTimeout = time.time() + 15; self.clientChannelRejoin = True;
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# }}}
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# {{{ _dispatchMode(self, message): Dispatch single MODE message from server
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def _dispatchMode(self, message):
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if message[2].lower() == self.clientChannel.lower():
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channelModeType = "+"; channelModeArg = 4;
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channelAuthAdd = ""; channelAuthDel = "";
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for channelModeChar in message[3]:
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if channelModeChar[0] == "-":
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channelModeType = "-"
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elif channelModeChar[0] == "+":
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channelModeType = "+"
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elif channelModeChar[0].isalpha():
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if channelModeChar[0] == "o":
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if channelModeType == "+":
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channelAuthAdd = message[channelModeArg]; channelAuthDel = "";
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elif channelModeType == "-":
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channelAuthAdd = ""; channelAuthDel = message[channelModeArg];
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channelModeArg += 1
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if len(channelAuthAdd) \
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and channelAuthAdd not in self.clientChannelOps:
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channelAuthAdd = channelAuthAdd.lower()
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self._log("Authorising {} on {}".format(channelAuthAdd, message[2].lower()))
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self.clientChannelOps.append(channelAuthAdd)
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elif len(channelAuthDel) \
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and channelAuthDel in self.clientChannelOps:
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channelAuthDel = channelAuthDel.lower()
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self._log("Deauthorising {} on {}".format(channelAuthDel, message[2].lower()))
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self.clientChannelOps.remove(channelAuthDel)
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# }}}
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# {{{ _dispatchNone(self): Dispatch None message from server
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def _dispatchNone(self):
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self._log("Disconnected from {}:{}.".format(self.serverHname, self.serverPort))
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self.close()
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# }}}
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# {{{ _dispatchPing(self, message): Dispatch single PING message from server
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def _dispatchPing(self, message):
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self.queue("PONG", message[2])
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# }}}
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# {{{ _dispatchPrivmsg(self, message): Dispatch single PRIVMSG message from server
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def _dispatchPrivmsg(self, message):
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if message[2].lower() == self.clientChannel.lower() \
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and message[3].startswith("!pngbot "):
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if (int(time.time()) - self.clientLastMessage) < 30:
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self._log("Ignoring request on {} from {} due to rate limit: {}".format(message[2].lower(), message[0], message[3]))
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return
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elif message[0].split("!")[0].lower() not in self.clientChannelOps:
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self._log("Ignoring request on {} from {} due to lack of authorisation: {}".format(message[2].lower(), message[0], message[3]))
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return
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else:
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self._log("Processing request on {} from {}: {}".format(message[2].lower(), message[0], message[3]))
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asciiUrl = message[3].split(" ")[1]
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asciiTmpFilePath = "tmp.txt"; imgTmpFilePath = "tmp.png";
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if os.path.isfile(asciiTmpFilePath):
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os.remove(asciiTmpFilePath)
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if os.path.isfile(imgTmpFilePath):
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os.remove(imgTmpFilePath)
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try:
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urllib.request.urlretrieve(asciiUrl, asciiTmpFilePath, IrcMiRCARTBot._urlretrieveReportHook)
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except IrcMiRCARTBot.ContentTooLargeException:
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self._log("Download size exceeds quota of 1 MB!")
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self.queue("PRIVMSG", message[2], "4 /!\\ Download size exceeds quota of 1 MB!")
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return
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except urllib.error.HTTPError as err:
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self._log("Download failed with HTTP status code {}".format(err.code))
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self.queue("PRIVMSG", message[2], "4 /!\\ Download failed with HTTP status code {}!".format(err.code))
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return
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except urllib.error.URLError as err:
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self._log("Invalid URL specified!")
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self.queue("PRIVMSG", message[2], "4 /!\\ Invalid URL specified!")
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return
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except ValueError as err:
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self._log("Unknown URL type specified!")
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self.queue("PRIVMSG", message[2], "4 /!\\ Unknown URL type specified!")
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return
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canvasStore = MiRCARTCanvasStore(inFile=asciiTmpFilePath)
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MiRCARTToPngFile(canvasStore.outMap, "DejaVuSansMono.ttf", 11).export(imgTmpFilePath)
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imgurResponse = self._uploadToImgur(imgTmpFilePath, "MiRCART image", "MiRCART image", "c9a6efb3d7932fd")
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if imgurResponse[0] == 200:
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self._log("Uploaded as: {}".format(imgurResponse[1]))
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self.queue("PRIVMSG", message[2], "8 /!\\ Uploaded as: {}".format(imgurResponse[1]))
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self.clientLastMessage = int(time.time())
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else:
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self._log("Upload failed with HTTP status code {}".format(imgurResponse[0]))
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self.queue("PRIVMSG", message[2], "4 /!\\ Upload failed with HTTP status code {}!".format(imgurResponse[0]))
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if os.path.isfile(asciiTmpFilePath):
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os.remove(asciiTmpFilePath)
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if os.path.isfile(imgTmpFilePath):
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os.remove(imgTmpFilePath)
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# }}}
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# {{{ _dispatchTimer(self): Dispatch single client timer expiration
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def _dispatchTimer(self):
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if self.clientChannelRejoin:
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self._log("Attempting to join {} on {}:{}...".format(self.clientChannel, self.serverHname, self.serverPort))
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self.queue("JOIN", self.clientChannel)
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self.clientNextTimeout = time.time() + 15; self.clientChannelRejoin = True;
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# }}}
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# {{{ _log(self, msg): Log single message to stdout w/ timestamp
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def _log(self, msg):
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print(time.strftime("%Y/%m/%d %H:%M:%S") + " " + msg)
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# }}}
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# {{{ _uploadToImgur(self, imgFilePath, imgName, imgTitle, apiKey): Upload single file to Imgur
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def _uploadToImgur(self, imgFilePath, imgName, imgTitle, apiKey):
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requestImageData = open(imgFilePath, "rb").read()
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requestData = { \
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"image": base64.b64encode(requestImageData), \
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"key": apiKey, \
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"name": imgName, \
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"title": imgTitle, \
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"type": "base64"}
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requestHeaders = { \
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"Authorization": "Client-ID " + apiKey}
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responseHttp = requests.post("https://api.imgur.com/3/upload.json", data=requestData, headers=requestHeaders)
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responseDict = json.loads(responseHttp.text)
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if responseHttp.status_code == 200:
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return [200, responseDict.get("data").get("link")]
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else:
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return [responseHttp.status_code]
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# }}}
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# {{{ _urlretrieveReportHook(count, blockSize, totalSize): Limit downloads to 1 MB
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def _urlretrieveReportHook(count, blockSize, totalSize):
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if (totalSize > pow(2,20)):
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raise IrcMiRCARTBot.ContentTooLargeException
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# }}}
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# {{{ connect(self, timeout=None): Connect to server and (re)initialise w/ optional timeout
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def connect(self, timeout=None):
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self._log("Connecting to {}:{}...".format(self.serverHname, self.serverPort))
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if super().connect(timeout):
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self._log("Connected to {}:{}.".format(self.serverHname, self.serverPort))
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self._log("Registering on {}:{} as {}, {}, {}...".format(self.serverHname, self.serverPort, self.clientNick, self.clientIdent, self.clientGecos))
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self.clientLastMessage = 0; self.clientChannelOps = [];
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self.clientChannelRejoin = False
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return True
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else:
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return False
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# }}}
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# {{{ dispatch(self): Read, parse, and dispatch single line from server
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def dispatch(self):
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while True:
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if self.clientNextTimeout:
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timeNow = time.time()
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if self.clientNextTimeout <= timeNow:
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self._dispatchTimer()
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self.unqueue()
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serverMessage = self.readline()
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if serverMessage == None:
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self._dispatchNone(); break;
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elif serverMessage == "":
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continue
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elif serverMessage[1] == "001":
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self._dispatch001(serverMessage)
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elif serverMessage[1] == "353":
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self._dispatch353(serverMessage)
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elif serverMessage[1] == "JOIN":
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self._dispatchJoin(serverMessage)
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elif serverMessage[1] == "KICK":
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self._dispatchKick(serverMessage)
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elif serverMessage[1] == "MODE":
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self._dispatchMode(serverMessage)
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elif serverMessage[1] == "PING":
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self._dispatchPing(serverMessage)
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elif serverMessage[1] == "PRIVMSG":
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self._dispatchPrivmsg(serverMessage)
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# }}}
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#
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# __init__(self, serverHname, serverPort="6667", clientNick="pngbot", clientIdent="pngbot", clientGecos="pngbot", clientChannel="#MiRCART"): initialisation method
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def __init__(self, serverHname, serverPort="6667", clientNick="pngbot", clientIdent="pngbot", clientGecos="pngbot", clientChannel="#MiRCART"):
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super().__init__(serverHname, serverPort, clientNick, clientIdent, clientGecos)
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self.clientChannel = clientChannel
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#
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# Entry point
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def main(*argv):
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_IrcMiRCARTBot = IrcMiRCARTBot(*argv[1:])
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while True:
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if _IrcMiRCARTBot.connect(15):
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_IrcMiRCARTBot.dispatch()
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_IrcMiRCARTBot.close()
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time.sleep(15)
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if __name__ == "__main__":
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if ((len(sys.argv) - 1) < 1)\
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or ((len(sys.argv) - 1) > 4):
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print("usage: {} " \
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"<IRC server hostname> " \
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"[<IRC server port; defaults to 6667>] " \
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"[<IRC bot nick name; defaults to pngbot>] " \
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"[<IRC bot user name; defaults to pngbot>] " \
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"[<IRC bot real name; defaults to pngbot>] " \
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"[<IRC bot channel name; defaults to #MiRCART>] ".format(sys.argv[0]), file=sys.stderr)
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else:
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main(*sys.argv)
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# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120
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