/usr/share/pyshared/cobe/commands.py is in python-cobe 2.1.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import atexit
import logging
import os
import re
import readline
import Stemmer
import sys
import time
from .brain import Brain
from .irc import Runner
log = logging.getLogger("cobe")
class InitCommand:
@classmethod
def add_subparser(cls, parser):
subparser = parser.add_parser("init", help="Initialize a new brain")
subparser.add_argument("--force", action="store_true")
subparser.add_argument("--order", type=int, default=3)
subparser.add_argument("--megahal", action="store_true",
help="Use MegaHAL-compatible tokenizer")
subparser.set_defaults(run=cls.run)
@staticmethod
def run(args):
filename = args.brain
if os.path.exists(filename):
if args.force:
os.remove(filename)
else:
log.error("%s already exists!", filename)
return
tokenizer = None
if args.megahal:
tokenizer = "MegaHAL"
Brain.init(filename, order=args.order, tokenizer=tokenizer)
def progress_generator(filename):
s = os.stat(filename)
size_left = s.st_size
fd = open(filename)
for line in fd.xreadlines():
size_left = size_left - len(line)
progress = 100 * (1. - (float(size_left) / float(s.st_size)))
yield line, progress
fd.close()
class LearnCommand:
@classmethod
def add_subparser(cls, parser):
subparser = parser.add_parser("learn", help="Learn a file of text")
subparser.add_argument("file", nargs="+")
subparser.set_defaults(run=cls.run)
@staticmethod
def run(args):
b = Brain(args.brain)
b.start_batch_learning()
for filename in args.file:
now = time.time()
print filename
count = 0
for line, progress in progress_generator(filename):
show_progress = ((count % 1000) == 0)
if show_progress:
elapsed = time.time() - now
sys.stdout.write("\r%.0f%% (%d/s)" % (progress,
count / elapsed))
sys.stdout.flush()
b.learn(line.strip())
count = count + 1
if (count % 10000) == 0:
b.graph.commit()
elapsed = time.time() - now
print "\r100%% (%d/s)" % (count / elapsed)
b.stop_batch_learning()
class LearnIrcLogCommand:
@classmethod
def add_subparser(cls, parser):
subparser = parser.add_parser("learn-irc-log",
help="Learn a file of IRC log text")
subparser.add_argument("-i", "--ignore-nick", action="append",
dest="ignored_nicks",
help="Ignore an IRC nick")
subparser.add_argument("-o", "--only-nick", action="append",
dest="only_nicks",
help="Only learn from specified nicks")
subparser.add_argument("-r", "--reply-to", action="append",
help="Reply (invisibly) to things said "
"to specified nick")
subparser.add_argument("file", nargs="+")
subparser.set_defaults(run=cls.run)
@classmethod
def run(cls, args):
b = Brain(args.brain)
b.start_batch_learning()
for filename in args.file:
now = time.time()
print filename
count = 0
for line, progress in progress_generator(filename):
show_progress = ((count % 100) == 0)
if show_progress:
elapsed = time.time() - now
sys.stdout.write("\r%.0f%% (%d/s)" % (progress,
count / elapsed))
sys.stdout.flush()
count = count + 1
if (count % 1000) == 0:
b.graph.commit()
parsed = cls._parse_irc_message(line.strip(),
args.ignored_nicks,
args.only_nicks)
if parsed is None:
continue
to, msg = parsed
b.learn(msg)
if args.reply_to is not None and to in args.reply_to:
b.reply(msg)
elapsed = time.time() - now
print "\r100%% (%d/s)" % (count / elapsed)
b.stop_batch_learning()
@staticmethod
def _parse_irc_message(msg, ignored_nicks=None, only_nicks=None):
# only match lines of the form "HH:MM <nick> message"
match = re.match("\d+:\d+\s+<(.+?)>\s+(.*)", msg)
if not match:
return None
nick = match.group(1)
msg = match.group(2)
if ignored_nicks is not None and nick in ignored_nicks:
return None
if only_nicks is not None and nick not in only_nicks:
return None
to = None
# strip "username: " at the beginning of messages
match = re.search("^(\S+)[,:]\s+(\S.*)", msg)
if match:
to = match.group(1)
msg = match.group(2)
# strip kibot style '"asdf" --user, 06-oct-09' quotes
msg = re.sub("\"(.*)\" --\S+,\s+\d+-\S+-\d+",
lambda m: m.group(1), msg)
return to, msg
class ConsoleCommand:
@classmethod
def add_subparser(cls, parser):
subparser = parser.add_parser("console", help="Interactive console")
subparser.set_defaults(run=cls.run)
@staticmethod
def run(args):
b = Brain(args.brain)
history = os.path.expanduser("~/.cobe_history")
try:
readline.read_history_file(history)
except IOError:
pass
atexit.register(readline.write_history_file, history)
while True:
try:
cmd = raw_input("> ")
except EOFError:
print
sys.exit(0)
b.learn(cmd)
print b.reply(cmd).encode("utf-8")
class IrcClientCommand:
@classmethod
def add_subparser(cls, parser):
subparser = parser.add_parser("irc-client",
help="IRC client [requires twisted]")
subparser.add_argument("-s", "--server", required=True,
help="IRC server hostname")
subparser.add_argument("-p", "--port", type=int, default=6667,
help="IRC server port")
subparser.add_argument("-n", "--nick", default="cobe",
help="IRC nick")
subparser.add_argument("-c", "--channel", required=True,
help="IRC channel")
subparser.add_argument("-l", "--log-channel",
help="IRC channel for logging")
subparser.add_argument("-i", "--ignore-nick", action="append",
dest="ignored_nicks",
help="Ignore an IRC nick")
subparser.add_argument("-o", "--only-nick", action="append",
dest="only_nicks",
help="Only learn from a specific IRC nick")
subparser.set_defaults(run=cls.run)
@staticmethod
def run(args):
b = Brain(args.brain)
Runner().run(b, args)
class SetStemmerCommand:
@classmethod
def add_subparser(cls, parser):
subparser = parser.add_parser("set-stemmer",
help="Configure a stemmer")
subparser.set_defaults(run=cls.run)
subparser.add_argument("language", choices=Stemmer.algorithms(),
help="Stemmer language")
@staticmethod
def run(args):
b = Brain(args.brain)
b.set_stemmer(args.language)
class DelStemmerCommand:
@classmethod
def add_subparser(cls, parser):
subparser = parser.add_parser("del-stemmer", help="Delete the stemmer")
subparser.set_defaults(run=cls.run)
@staticmethod
def run(args):
b = Brain(args.brain)
b.del_stemmer()
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