+#!/usr/bin/python3
+
+import argparse
import socket
import datetime
import select
import time
import re
import urllib.request
+import http.client
import html
-servernet = "irc.freenode.net"
-port = 6667
-servername = ""
-timeout = 240
-username = "plomlombot"
-nickname = username
-channel = "#zrolaps"
+# Defaults, may be overwritten by command line arguments.
+SERVER = "irc.freenode.net"
+PORT = 6667
+TIMEOUT = 240
+USERNAME = "plomlombot"
+NICKNAME = USERNAME
+
class ExceptionForRestart(Exception):
pass
+
class IO:
- def __init__(self, server, port):
+ def __init__(self, server, port, timeout):
+ self.timeout = timeout
self.socket = socket.socket()
self.socket.connect((server, port))
self.socket.setblocking(0)
self.line_buffer = []
self.rune_buffer = ""
self.last_pong = time.time()
+ self.servername = self.recv_line(send_ping=False).split(" ")[0][1:]
- def _pingtest(self):
- if self.last_pong + timeout < time.time():
- print("SERVER NOT ANSWERING TO PING")
+ def _pingtest(self, send_ping=True):
+ if self.last_pong + self.timeout < time.time():
+ print("SERVER NOT ANSWERING")
raise ExceptionForRestart
- self.send_line("PING " + nickname + " " + servername)
+ if send_ping:
+ self.send_line("PING " + self.servername)
def send_line(self, msg):
msg = msg.replace("\r", " ")
if len(msg.encode("utf-8")) > 510:
print("NOT SENT LINE TO SERVER (too long): " + msg)
print("LINE TO SERVER: "
- + str(datetime.datetime.now()) + ": " + msg)
+ + str(datetime.datetime.now()) + ": " + msg)
msg = msg + "\r\n"
msg_len = len(msg)
total_sent_len = 0
raise ExceptionForRestart
total_sent_len += sent_len
- def recv_line_wrapped(self):
+ def _recv_line_wrapped(self, send_ping=True):
if len(self.line_buffer) > 0:
return self.line_buffer.pop(0)
while True:
- ready = select.select([self.socket], [], [], int(timeout / 2))
+ ready = select.select([self.socket], [], [], int(self.timeout / 2))
if not ready[0]:
- self._pingtest()
+ self._pingtest(send_ping)
return None
self.last_pong = time.time()
received_runes = self.socket.recv(1024).decode("UTF-8")
if len(received_runes) == 0:
print("SOCKET CONNECTION BROKEN")
raise ExceptionForRestart
- self.rune_buffer += received_runes
+ self.rune_buffer += received_runes
lines_split = str.split(self.rune_buffer, "\r\n")
self.line_buffer += lines_split[:-1]
self.rune_buffer = lines_split[-1]
if len(self.line_buffer) > 0:
return self.line_buffer.pop(0)
- def recv_line(self):
- line = self.recv_line_wrapped()
+ def recv_line(self, send_ping=True):
+ line = self._recv_line_wrapped(send_ping)
if line:
print("LINE FROM SERVER " + str(datetime.datetime.now()) + ": " +
- line)
+ line)
return line
-def init_connection():
- print("CONNECTING TO " + servernet)
- io = IO(servernet, port)
+
+def init_session(server, port, timeout, nickname, username, channel):
+ print("CONNECTING TO " + server)
+ io = IO(server, port, timeout)
io.send_line("NICK " + nickname)
io.send_line("USER " + username + " 0 * : ")
io.send_line("JOIN " + channel)
- servername = io.recv_line().split(" ")[0][1:]
return io
-def lineparser_loop():
+
+def lineparser_loop(io, nickname):
def act_on_privmsg(tokens):
url = matches[i]
try:
webpage = urllib.request.urlopen(url, timeout=15)
- except urllib.error.HTTPError as error:
+ except (urllib.error.HTTPError, urllib.error.URLError,
+ UnicodeError, http.client.BadStatusLine) as error:
print("TROUBLE FOLLOWING URL: " + str(error))
continue
charset = webpage.info().get_content_charset()
if not charset:
- charset="utf-8"
+ charset = "utf-8"
content_type = webpage.info().get_content_type()
- if not content_type in ('text/html', 'text/xml',
- 'application/xhtml+xml'):
+ if content_type not in ('text/html', 'text/xml',
+ 'application/xhtml+xml'):
print("TROUBLE INTERPRETING URL: bad content type "
- + content_type)
+ + content_type)
continue
content = webpage.read().decode(charset)
title = str(content).split('<title>')[1].split('</title>')[0]
title = html.unescape(title)
io.send_line("PRIVMSG " + target + " :page title for url: "
- + title)
+ + title)
sender = ""
for rune in tokens[0]:
msg = str.join(" ", tokens[3:])[1:]
url_check(msg)
- while 1:
+ while True:
line = io.recv_line()
if not line:
continue
if tokens[0] == "PING":
io.send_line("PONG " + tokens[1])
-while 1:
+
+def parse_command_line_arguments():
+ parser = argparse.ArgumentParser()
+ parser.add_argument("-s, --server", action="store", dest="server",
+ default=SERVER,
+ help="server or server net to connect to (default: "
+ + SERVER + ")")
+ parser.add_argument("-p, --port", action="store", dest="port", type=int,
+ default=PORT, help="port to connect to (default : "
+ + str(PORT) + ")")
+ parser.add_argument("-t, --timeout", action="store", dest="timeout",
+ type=int, default=TIMEOUT,
+ help="timeout in seconds after which to attempt " +
+ "reconnect (default: " + str(TIMEOUT) + ")")
+ parser.add_argument("-u, --username", action="store", dest="username",
+ default=USERNAME, help="username to use (default: "
+ + USERNAME + ")")
+ parser.add_argument("-n, --nickname", action="store", dest="nickname",
+ default=NICKNAME, help="nickname to use (default: "
+ + NICKNAME + ")")
+ parser.add_argument("CHANNEL", action="store", help="channel to join")
+ opts, unknown = parser.parse_known_args()
+ return opts
+
+opts = parse_command_line_arguments()
+while True:
try:
- io = init_connection()
- lineparser_loop()
+ io = init_session(opts.server, opts.port, opts.timeout, opts.nickname,
+ opts.username, opts.CHANNEL)
+ lineparser_loop(io, opts.nickname)
except ExceptionForRestart:
io.socket.close()
continue
projects / plomlombot-irc.git / blobdiff