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# Richard Darst, May 2009

###
# Copyright (c) 2009, Richard Darst
# 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 time
import os
import re
import stat

import writers
import items
import agenda
reload(writers)
reload(items)

__version__ = "0.1.4"

class Config(object):
    #
    # Throw any overrides into meetingLocalConfig.py in this directory:
    #
    # Where to store files on disk
    # Example:   logFileDir = '/home/richard/meetbot/'
    logFileDir = '.'
    # The links to the logfiles are given this prefix
    # Example:   logUrlPrefix = 'http://rkd.zgib.net/meetbot/'
    logUrlPrefix = ''
    # Give the pattern to save files into here.  Use %(channel)s for
    # channel.  This will be sent through strftime for substituting it
    # times, howover, for strftime codes you must use doubled percent
    # signs (%%).  This will be joined with the directories above.
    filenamePattern = '%(channel)s/%%Y/%(channel)s.%%F-%%H.%%M'
    # Where to say to go for more information about MeetBot
    MeetBotInfoURL = 'http://wiki.debian.org/MeetBot'
    # This is used with the #restrict command to remove permissions from files.
    RestrictPerm = stat.S_IRWXO|stat.S_IRWXG  # g,o perm zeroed
    # RestrictPerm = stat.S_IRWXU|stat.S_IRWXO|stat.S_IRWXG  #u,g,o perm zeroed
    # used to detect #link :
    UrlProtocols = ('http:', 'https:', 'irc:', 'ftp:', 'mailto:', 'ssh:')
    # regular expression for parsing commands.  First group is the cmd name,
    # second group is the rest of the line.
    command_RE = re.compile(r'#([\w]+)[ \t]*(.*)')
    # The channels which won't have date/time appended to the filename.
    specialChannels = ("#meetbot-test", "#meetbot-test2")
    specialChannelFilenamePattern = '%(channel)s/%(channel)s'
    # HTML irc log highlighting style.  `pygmentize -L styles` to list.
    pygmentizeStyle = 'friendly'
    # Timezone setting.  You can use friendly names like 'US/Eastern', etc.
    # Check /usr/share/zoneinfo/ .  Or `man timezone`: this is the contents
    # of the TZ environment variable.
    timeZone = 'UTC'
    # These are the start and end meeting messages, respectively.
    # Some replacements are done before they are used, using the
    # %(name)s syntax.  Note that since one replacement is done below,
    # you have to use doubled percent signs.  Also, it gets split by
    # '\n' and each part between newlines get said in a separate IRC
    # message.
    startMeetingMessage = ("Meeting started %(starttime)s %(timeZone)s.  "
              "The chair is %(chair)s. Information about MeetBot at "
              "%(MeetBotInfoURL)s.\n"
              "Useful Commands: #action #agreed #help #info #idea #link "
              "#topic.")
    endMeetingMessage = ("Meeting ended %(endtime)s %(timeZone)s.  "
                         "Information about MeetBot at %(MeetBotInfoURL)s . "
                         "(v %(__version__)s)\n"
                         "Minutes:        %(urlBasename)s.html\n"
                         "Minutes (text): %(urlBasename)s.txt\n"
                         "Log:            %(urlBasename)s.log.html")
    # Input/output codecs.
    input_codec = 'utf-8'
    output_codec = 'utf-8'
    # Functions to do the i/o conversion.

    # Meeting management urls
    voters_url = 'http://localhost:3000/users/voters'
    agenda_url = 'http://localhost:3000/agendas/current_items'
    result_url = 'http://localhost:3000/agendas/current_items'
    # Credentials for posting voting results
    voting_results_user = 'user'
    voting_results_password = 'password'
    manage_agenda = False

    def enc(self, text):
        return text.encode(self.output_codec, 'replace')
    def dec(self, text):
        return text.decode(self.input_codec, 'replace')
    # Write out select logfiles
    update_realtime = True
    # CSS configs:
    cssFile_log      = 'default'
    cssEmbed_log     = True
    cssFile_minutes  = 'default'
    cssEmbed_minutes = True

    # This tells which writers write out which to extensions.
    writer_map = {
        '.log.html':writers.HTMLlog,
        #'.1.html': writers.HTML,
        '.html': writers.HTML2,
        #'.rst': writers.ReST,
        '.txt': writers.Text,
        #'.rst.html':writers.HTMLfromReST,
        }

    def __init__(self, M, writeRawLog=False, safeMode=False,
                 extraConfig={}):
        self.M = M
        self.writers = { }
        # Update config values with anything we may have
        for k,v in extraConfig.iteritems():
            setattr(self, k, v)

        if hasattr(self, "init_hook"):
            self.init_hook()
        if writeRawLog:
            self.writers['.log.txt'] = writers.TextLog(self.M)
        for extension, writer in self.writer_map.iteritems():
            self.writers[extension] = writer(self.M)
        self.safeMode = safeMode
        self.agenda = agenda.Agenda(self)
    def filename(self, url=False):
        # provide a way to override the filename.  If it is
        # overridden, it must be a full path (and the URL-part may not
        # work.):
        if getattr(self.M, '_filename', None):
            return self.M._filename
        # names useful for pathname formatting.
        # Certain test channels always get the same name - don't need
        # file prolifiration for them
        if self.M.channel in self.specialChannels:
            pattern = self.specialChannelFilenamePattern
        else:
            pattern = self.filenamePattern
        channel = self.M.channel.strip('# ').lower().replace('/', '')
        network = self.M.network.strip(' ').lower().replace('/', '')
        if self.M._meetingname:
            meetingname = self.M._meetingname.replace('/', '')
        else:
            meetingname = channel
        path = pattern%{'channel':channel, 'network':network,
                        'meetingname':meetingname}
        path = time.strftime(path, self.M.starttime)
        # If we want the URL name, append URL prefix and return
        if url:
            return os.path.join(self.logUrlPrefix, path)
        path = os.path.join(self.logFileDir, path)
        # make directory if it doesn't exist...
        dirname = os.path.dirname(path)
        if not url and dirname and not os.access(dirname, os.F_OK):
            os.makedirs(dirname)
        return path
    @property
    def basename(self):
        return os.path.basename(self.M.config.filename())

    def save(self, realtime_update=False):
        """Write all output files.

        If `realtime_update` is true, then this isn't a complete save,
        it will only update those writers with the update_realtime
        attribute true.  (default update_realtime=False for this method)"""
        if realtime_update and not hasattr(self.M, 'starttime'):
            return
        rawname = self.filename()
        # We want to write the rawlog (.log.txt) first in case the
        # other methods break.  That way, we have saved enough to
        # replay.
        writer_names = list(self.writers.keys())
        results = { }
        if '.log.txt' in writer_names:
            writer_names.remove('.log.txt')
            writer_names = ['.log.txt'] + writer_names
        for extension in writer_names:
            writer = self.writers[extension]
            # Why this?  If this is a realtime (step-by-step) update,
            # then we only want to update those writers which say they
            # should be updated step-by-step.
            if (realtime_update and
                ( not getattr(writer, 'update_realtime', False) or
                  getattr(self, '_filename', None) )
                ):
                continue
            # Parse embedded arguments
            if '|' in extension:
                extension, args = extension.split('|', 1)
                args = args.split('|')
                args = dict([a.split('=', 1) for a in args] )
            else:
                args = { }

            text = writer.format(extension, **args)
            results[extension] = text
            # If the writer returns a string or unicode object, then
            # we should write it to a filename with that extension.
            # If it doesn't, then it's assumed that the write took
            # care of writing (or publishing or emailing or wikifying)
            # it itself.
            if isinstance(text, unicode):
                text = self.enc(text)
            if isinstance(text, (str, unicode)):
                # Have a way to override saving, so no disk files are written.
                if getattr(self, "dontSave", False):
                    pass
                # ".none" or a single "." disable writing.
                elif extension.lower()[:5] in (".none", "."):
                    pass
                else:
                    filename = rawname + extension
                    self.writeToFile(text, filename)
        if hasattr(self, 'save_hook'):
            self.save_hook(realtime_update=realtime_update)
        return results
    def writeToFile(self, string, filename):
        """Write a given string to a file"""
        # The reason we have this method just for this is to proxy
        # through the _restrictPermissions logic.
        f = open(filename, 'w')
        if self.M._restrictlogs:
            self.restrictPermissions(f)
        f.write(string)
        f.close()
    def restrictPermissions(self, f):
        """Remove the permissions given in the variable RestrictPerm."""
        f.flush()
        newmode = os.stat(f.name).st_mode & (~self.RestrictPerm)
        os.chmod(f.name, newmode)
    def findFile(self, fname):
        """Find template files by searching paths.

        Expand '+' prefix to the base data directory.
        """
        # If `template` begins in '+', then it in relative to the
        # MeetBot source directory.
        if fname[0] == '+':
            basedir = os.path.dirname(__file__)
            fname = os.path.join(basedir, fname[1:])
        # If we don't test here, it might fail in the try: block
        # below, then f.close() will fail and mask the original
        # exception
        if not os.access(fname, os.F_OK):
            raise IOError('File not found: %s'%fname)
        return fname



# Set the timezone, using the variable above
os.environ['TZ'] = Config.timeZone
time.tzset()

# load custom local configurations
LocalConfig = None
import __main__
# Two conditions where we do NOT load any local configuration files
if getattr(__main__, 'running_tests', False): pass
elif 'MEETBOT_RUNNING_TESTS' in os.environ:   pass
else:
    # First source of config: try just plain importing it
    try:
        import meetingLocalConfig
        meetingLocalConfig = reload(meetingLocalConfig)
        if hasattr(meetingLocalConfig, 'Config'):
            LocalConfig = meetingLocalConfig.Config
    except ImportError:
        pass
    if LocalConfig is None:
        for dirname in (os.path.dirname("__file__"), "."):
            fname = os.path.join(dirname, "meetingLocalConfig.py")
            if os.access(fname, os.F_OK):
                meetingLocalConfig = { }
                execfile(fname, meetingLocalConfig)
                LocalConfig = meetingLocalConfig["Config"]
                break
    if LocalConfig is not None:
        # Subclass Config and LocalConfig, new type overrides Config.
        Config = type('Config', (LocalConfig, Config), {})


class MeetingCommands(object):
    # Command Definitions
    # generic parameters to these functions:
    #  nick=
    #  line=    <the payload of the line>
    #  linenum= <the line number, 1-based index (for logfile)>
    #  time_=   <time it was said>
    # Commands for Chairs:
    def do_startmeeting(self, nick, time_, line, **kwargs):
        """Begin a meeting."""
        self.starttime = time_
        repl = self.replacements()
        message = self.config.startMeetingMessage%repl
        for messageline in message.split('\n'):
            self.reply(messageline)
        if line.strip():
            self.do_meetingtopic(nick=nick, line=line, time_=time_, **kwargs)
        self.config.agenda.get_data()
        self.reply(self.config.agenda.get_agenda_item())

    def do_nextitem(self, nick, time_, line, **kwargs):
        self.reply(self.config.agenda.next_agenda_item())

    def do_previtem(self, nick, time_, line, **kwargs):
        self.reply(self.config.agenda.prev_agenda_item())

    def do_startvote(self, nick, time_, line, **kwargs):
       for messageline in self.config.agenda.start_vote().split('\n'):
            self.reply(messageline)

    def do_endvote(self, nick, time_, line, **kwargs):
       for messageline in self.config.agenda.end_vote().split('\n'):
            self.reply(messageline)

    def do_vote(self, nick, time_, line, **kwargs):
        for messageline in self.config.agenda.vote(nick, line).split('\n'):
            self.reply(messageline)

    def do_option(self, nick, time_, line, **kwargs):
        if re.match( ' *?list', line):
          result = self.config.agenda.options()
        elif re.match( ' *?add .*', line):
          result = self.config.agenda.add_option(nick, line)
        for messageline in result.split('\n'):
            self.reply(messageline)

    def do_endmeeting(self, nick, time_, **kwargs):
        """End the meeting."""
        if not self.isChair(nick): return
        if self.oldtopic:
            self.topic(self.oldtopic)
        self.endtime = time_
        self.config.save()
        repl = self.replacements()
        message = self.config.endMeetingMessage%repl
        for messageline in message.split('\n'):
            self.reply(messageline)
        self._meetingIsOver = True
        self.config.agenda.post_result()
    def do_topic(self, nick, line, **kwargs):
        """Set a new topic in the channel."""
        if not self.isChair(nick): return
        self.currenttopic = line
        m = items.Topic(nick=nick, line=line, **kwargs)
        self.additem(m)
        self.settopic()
    def do_meetingtopic(self, nick, line, **kwargs):
        """Set a meeting topic (included in all sub-topics)"""
        if not self.isChair(nick): return
        line = line.strip()
        if line == '' or line.lower() == 'none' or line.lower() == 'unset':
            self._meetingTopic = None
        else:
            self._meetingTopic = line
        self.settopic()
    def do_save(self, nick, time_, **kwargs):
        """Add a chair to the meeting."""
        if not self.isChair(nick): return
        self.endtime = time_
        self.config.save()
    def do_agreed(self, nick, **kwargs):
        """Add aggreement to the minutes - chairs only."""
        if not self.isChair(nick): return
        m = items.Agreed(nick, **kwargs)
        self.additem(m)
    do_agree = do_agreed
    def do_accepted(self, nick, **kwargs):
        """Add aggreement to the minutes - chairs only."""
        if not self.isChair(nick): return
        m = items.Accepted(nick, **kwargs)
        self.additem(m)
    do_accept = do_accepted
    def do_rejected(self, nick, **kwargs):
        """Add aggreement to the minutes - chairs only."""
        if not self.isChair(nick): return
        m = items.Rejected(nick, **kwargs)
        self.additem(m)
    do_reject = do_rejected
    def do_chair(self, nick, line, **kwargs):
        """Add a chair to the meeting."""
        if not self.isChair(nick): return
        for chair in re.split('[, ]+', line.strip()):
            chair = chair.strip()
            if not chair: continue
            if chair not in self.chairs:
                if self._channelNicks is not None and \
                       ( chair.encode(self.config.input_codec)
                         not in self._channelNicks()):
                    self.reply("Warning: Nick not in channel: %s"%chair)
                self.addnick(chair, lines=0)
                self.chairs.setdefault(chair, True)
        chairs = dict(self.chairs) # make a copy
        chairs.setdefault(self.owner, True)
        self.reply("Current chairs: %s"%(" ".join(sorted(chairs.keys()))))
    def do_unchair(self, nick, line, **kwargs):
        """Remove a chair to the meeting (founder can not be removed)."""
        if not self.isChair(nick): return
        for chair in line.strip().split():
            chair = chair.strip()
            if chair in self.chairs:
                del self.chairs[chair]
        chairs = dict(self.chairs) # make a copy
        chairs.setdefault(self.owner, True)
        self.reply("Current chairs: %s"%(" ".join(sorted(chairs.keys()))))
    def do_undo(self, nick, **kwargs):
        """Remove the last item from the minutes."""
        if not self.isChair(nick): return
        if len(self.minutes) == 0: return
        self.reply("Removing item from minutes: %s"%str(self.minutes[-1]))
        del self.minutes[-1]
    def do_restrictlogs(self, nick, **kwargs):
        """When saved, remove permissions from the files."""
        if not self.isChair(nick): return
        self._restrictlogs = True
        self.reply("Restricting permissions on minutes: -%s on next #save"%\
                   oct(RestrictPerm))
    def do_lurk(self, nick, **kwargs):
        """Don't interact in the channel."""
        if not self.isChair(nick): return
        self._lurk = True
    def do_unlurk(self, nick, **kwargs):
        """Do interact in the channel."""
        if not self.isChair(nick): return
        self._lurk = False
    def do_meetingname(self, nick, time_, line, **kwargs):
        """Set the variable (meetingname) which can be used in save.

        If this isn't set, it defaults to the channel name."""
        meetingname = line.strip().lower().replace(" ", "")
        meetingname = "_".join(line.strip().lower().split())
        self._meetingname = meetingname
        self.reply("The meeting name has been set to '%s'"%meetingname)
    # Commands for Anyone:
    def do_action(self, **kwargs):
        """Add action item to the minutes.

        The line is searched for nicks, and a per-person action item
        list is compiled after the meeting.  Only nicks which have
        been seen during the meeting will have an action item list
        made for them, but you can use the #nick command to cause a
        nick to be seen."""
        m = items.Action(**kwargs)
        self.additem(m)
    def do_info(self, **kwargs):
        """Add informational item to the minutes."""
        m = items.Info(**kwargs)
        self.additem(m)
    def do_idea(self, **kwargs):
        """Add informational item to the minutes."""
        m = items.Idea(**kwargs)
        self.additem(m)
    def do_help(self, **kwargs):
        """Add call for help to the minutes."""
        m = items.Help(**kwargs)
        self.additem(m)
    do_halp = do_help
    def do_nick(self, nick, line, **kwargs):
        """Make meetbot aware of a nick which hasn't said anything.

        To see where this can be used, see #action command"""
        nicks = re.split('[, ]+', line.strip())
        for nick in nicks:
            nick = nick.strip()
            if not nick: continue
            self.addnick(nick, lines=0)
    def do_link(self, **kwargs):
        """Add informational item to the minutes."""
        m = items.Link(M=self, **kwargs)
        self.additem(m)
    def do_commands(self, **kwargs):
        commands = [ "#"+x[3:] for x in dir(self) if x[:3]=="do_" ]
        commands.sort()
        self.reply("Available commands: "+(" ".join(commands)))



class Meeting(MeetingCommands, object):
    _lurk = False
    _restrictlogs = False
    def __init__(self, channel, owner, oldtopic=None,
                 filename=None, writeRawLog=False,
                 setTopic=None, sendReply=None, getRegistryValue=None,
                 safeMode=False, channelNicks=None,
                 extraConfig={}, network='nonetwork'):
        if getRegistryValue is not None:
            self._registryValue = getRegistryValue
        if sendReply is not None:
            self._sendReply = sendReply
        if setTopic is not None:
            self._setTopic = setTopic
        self.owner = owner
        self.channel = channel
        self.network = network
        self.currenttopic = ""
        self.config = Config(self, writeRawLog=writeRawLog, safeMode=safeMode,
                            extraConfig=extraConfig)
        if oldtopic:
            self.oldtopic = self.config.dec(oldtopic)
        else:
            self.oldtopic = None
        self.lines = [ ]
        self.minutes = [ ]
        self.attendees = { }
        self.chairs = { }
        self._writeRawLog = writeRawLog
        self._meetingTopic = None
        self._meetingname = ""
        self._meetingIsOver = False
        self._channelNicks = channelNicks
        if filename:
            self._filename = filename

    # These commands are callbacks to manipulate the IRC protocol.
    # set self._sendReply and self._setTopic to an callback to do these things.
    def reply(self, x):
        """Send a reply to the IRC channel."""
        if hasattr(self, '_sendReply') and not self._lurk:
            self._sendReply(self.config.enc(x))
        else:
            print "REPLY:", self.config.enc(x)
    def topic(self, x):
        """Set the topic in the IRC channel."""
        if hasattr(self, '_setTopic') and not self._lurk:
            self._setTopic(self.config.enc(x))
        else:
            print "TOPIC:", self.config.enc(x)
    def settopic(self):
        "The actual code to set the topic"
        if self._meetingTopic:
            topic = '%s (Meeting topic: %s)'%(self.currenttopic,
                                              self._meetingTopic)
        else:
            topic = self.currenttopic
        self.topic(topic)
    def addnick(self, nick, lines=1):
        """This person has spoken, lines=<how many lines>"""
        self.attendees[nick] = self.attendees.get(nick, 0) + lines
    def isChair(self, nick):
        """Is the nick a chair?"""
        return (nick == self.owner  or  nick in self.chairs)
    def save(self, **kwargs):
        return self.config.save(**kwargs)
    # Primary enttry point for new lines in the log:
    def addline(self, nick, line, time_=None):
        """This is the way to add lines to the Meeting object.
        """
        linenum = self.addrawline(nick, line, time_)

        if time_ is None: time_ = time.localtime()
        nick = self.config.dec(nick)
        line = self.config.dec(line)

        # Handle any commands given in the line.
        matchobj = self.config.command_RE.match(line)
        if matchobj is not None:
            command, line = matchobj.groups()
            command = command.lower()
            # to define new commands, define a method do_commandname .
            if hasattr(self, "do_"+command):
                getattr(self, "do_"+command)(nick=nick, line=line,
                                             linenum=linenum, time_=time_)
        else:
            # Detect URLs automatically
            if line.split('//')[0] in self.config.UrlProtocols:
                self.do_link(nick=nick, line=line,
                             linenum=linenum, time_=time_)
        self.save(realtime_update=True)

    def addrawline(self, nick, line, time_=None):
        """This adds a line to the log, bypassing command execution.
        """
        nick = self.config.dec(nick)
        line = self.config.dec(line)
        self.addnick(nick)
        line = line.strip(' \x01') # \x01 is present in ACTIONs
        # Setting a custom time is useful when replying logs,
        # otherwise use our current time:
        if time_ is None: time_ = time.localtime()

        # Handle the logging of the line
        if line[:6] == 'ACTION':
            logline = "%s * %s %s"%(time.strftime("%H:%M:%S", time_),
                                 nick, line[7:].strip())
        else:
            logline = "%s <%s> %s"%(time.strftime("%H:%M:%S", time_),
                                 nick, line.strip())
        self.lines.append(logline)
        linenum = len(self.lines)
        return linenum

    def additem(self, m):
        """Add an item to the meeting minutes list.
        """
        self.minutes.append(m)
    def replacements(self):
        repl = { }
        repl['channel'] = self.channel
        repl['network'] = self.network
        repl['MeetBotInfoURL'] = self.config.MeetBotInfoURL
        repl['timeZone'] = self.config.timeZone
        repl['starttime'] = repl['endtime'] = "None"
        if getattr(self, "starttime", None) is not None:
            repl['starttime'] = time.asctime(self.starttime)
        if getattr(self, "endtime", None) is not None:
            repl['endtime'] = time.asctime(self.endtime)
        repl['__version__'] = __version__
        repl['chair'] = self.owner
        repl['urlBasename'] = self.config.filename(url=True)
        repl['basename'] = os.path.basename(self.config.filename())
        return repl





def parse_time(time_):
    try: return time.strptime(time_, "%H:%M:%S")
    except ValueError: pass
    try: return time.strptime(time_, "%H:%M")
    except ValueError: pass
logline_re = re.compile(r'\[?([0-9: ]*)\]? *<[@+]?([^>]+)> *(.*)')
loglineAction_re = re.compile(r'\[?([0-9: ]*)\]? *\* *([^ ]+) *(.*)')


def process_meeting(contents, channel, filename,
                    extraConfig = {},
                    dontSave=False,
                    safeMode=True):
    M = Meeting(channel=channel, owner=None,
                filename=filename, writeRawLog=False, safeMode=safeMode,
                extraConfig=extraConfig)
    if dontSave:
        M.config.dontSave = True
    # process all lines
    for line in contents.split('\n'):
        # match regular spoken lines:
        m = logline_re.match(line)
        if m:
            time_ = parse_time(m.group(1).strip())
            nick = m.group(2).strip()
            line = m.group(3).strip()
            if M.owner is None:
                M.owner = nick ; M.chairs = {nick:True}
            M.addline(nick, line, time_=time_)
        # match /me lines
        m = loglineAction_re.match(line)
        if m:
            time_ = parse_time(m.group(1).strip())
            nick = m.group(2).strip()
            line = m.group(3).strip()
            M.addline(nick, "ACTION "+line, time_=time_)
    return M

# None of this is very well refined.
if __name__ == '__main__':
    import sys
    if sys.argv[1] == 'replay':
        fname = sys.argv[2]
        m = re.match('(.*)\.log\.txt', fname)
        if m:
            filename = m.group(1)
        else:
            filename = os.path.splitext(fname)[0]
        print 'Saving to:', filename
        channel = '#'+os.path.basename(sys.argv[2]).split('.')[0]

        M = Meeting(channel=channel, owner=None,
                    filename=filename, writeRawLog=False)
        for line in file(sys.argv[2]):
            # match regular spoken lines:
            m = logline_re.match(line)
            if m:
                time_ = parse_time(m.group(1).strip())
                nick = m.group(2).strip()
                line = m.group(3).strip()
                if M.owner is None:
                    M.owner = nick ; M.chairs = {nick:True}
                M.addline(nick, line, time_=time_)
            # match /me lines
            m = loglineAction_re.match(line)
            if m:
                time_ = parse_time(m.group(1).strip())
                nick = m.group(2).strip()
                line = m.group(3).strip()
                M.addline(nick, "ACTION "+line, time_=time_)
        #M.save() # should be done by #endmeeting in the logs!
    else:
        print 'Command "%s" not found.'%sys.argv[1]