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from enum import Enum
import sys
import pprint
class LogType(Enum):
QUASSEL = 1
ERC = 2
class Message:
def __init__(self):
self.id = -1
self.sender = ""
self.message = ""
self.reply_to_msgs = []
self.previous_msg = -1
def to_dict(self):
return {'id': self.id,
'sender': self.sender,
'message': self.message,
'reply_to_msgs': self.reply_to_msgs,
'previous_msg': self.previous_msg}
def get_log_type(log):
"""determine the type of irc log.
args:
log: a string of irc log.
returns:
a LogType.
"""
if log[0] == '[':
return LogType.QUASSEL
elif log[0] == '<':
return LogType.ERC
else:
raise ValueError('Unknown irc log type.')
def parse_log_quassel(log):
"""parse a quassel log.
A quassel message is in the form of
[hh:mm:ss] <sender-nick> blahblah.
or
[hh:mm:ss] -*- sender-nick does something.
[06:05:28] *** Mode #fsf +o zoe by ChanServ
args:
log: a string of quassel log.
return:
a list of Messages
"""
last_messages = dict()
index = 0
messages = []
for line in log.splitlines():
message = Message()
is_me = False
[_, nick, payload] = line.split(' ', maxsplit=2)
if nick == '***':
continue
if nick == '-*-':
[_, _, nick, payload] = line.split(' ', maxsplit=3)
is_me = True
else:
nick = nick[1:-1] # removes <>
message.message = line
message.id = index
# Remove special symbol for op
if nick[0] in ['@', '%']:
nick = nick[1:]
message.sender = nick
if nick in last_messages:
message.previous_msg = last_messages[nick]
last_messages[nick] = index
for participant, msg_id in last_messages.items():
if payload.find(participant) != -1:
message.reply_to_msgs.append(msg_id)
messages.append(message)
index += 1
return messages
def parse_log_erc(log):
"""parse an erc log.
An erc message is in the form of
<nick> blahblah
blahblah blah [hh:mm]
And the timestamp is optional
args:
log: a string of quassel log.
return:
a list of Messages
"""
return []
def parse_log(log):
"""parse log.
args:
log: a string of irc log.
returns:
a list of Messages
"""
log_type = get_log_type(log)
if log_type == LogType.QUASSEL:
return parse_log_quassel(log)
elif log_type == LogType.ERC:
return parse_log_erc(log)
else:
raise ValueError('Unknown irc log type.')
def gen_graph(meeting):
dot = """
digraph meeting {
node [
shape = box,
width = 40
];
"""
for msg in meeting:
quoted_message = msg.message.replace('"', '\\"')
dot += f'\nm{str(msg.id)} [label="{quoted_message}"];'
if msg.id > 0:
dot += f'\nm{str(msg.id - 1)} -> m{str(msg.id)} [style="invis"];'
if msg.previous_msg > -1:
dot += f'\nm{str(msg.previous_msg)} -> m{str(msg.id)};'
for id in msg.reply_to_msgs:
dot += f'\nm{str(id)} -> m{str(msg.id)};'
dot += '\n}'
return dot
def main():
log = open(sys.argv[1]).read()
meeting = parse_log(log)
graph = gen_graph(meeting)
open(sys.argv[2], 'w').write(graph)
# pp = pprint.PrettyPrinter(indent=4)
# pp.pprint([msg.to_dict() for msg in meeting])
if __name__ == '__main__':
main()
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