h/plugins/remember.py

90 lines
2.5 KiB
Python

"""
remember.py: written by Scaevolus 2009
"""
import os
import thread
import codecs
from util import hook
lock = thread.allocate_lock()
memory = {}
def load_memory(filename, mtimes={}):
if not os.path.exists(filename):
return {}
mtime = os.stat(filename).st_mtime
if mtimes.get(filename, 0) != mtime:
mtimes[filename] = mtime
return dict((x.split(None, 1)[0].lower(), x.strip()) for x in
codecs.open(filename, 'r', 'utf-8'))
def save_memory(filename, memory):
out = codecs.open(filename, 'w', 'utf-8')
out.write('\n'.join(sorted(memory.itervalues())))
out.flush()
out.close()
def make_filename(dir, chan):
return os.path.join(dir, 'memory')
@hook.command
def remember(bot, input):
".remember <word> <data> -- maps word to data in the memory"
with lock:
filename = make_filename(bot.persist_dir, input.chan)
memory.setdefault(filename, load_memory(filename))
try:
head, tail = input.inp.split(None, 1)
except ValueError:
return remember.__doc__
tail = tail.strip()
low = head.lower()
if low not in memory[filename]:
input.reply("done.")
else:
input.reply('forgetting that "%s", remembering this instead.' %
memory[filename][low])
memory[filename][low] = input.inp.strip()
save_memory(filename, memory[filename])
@hook.command
def forget(bot, input):
".forget <word> -- forgets the mapping that word had"
with lock:
filename = make_filename(bot.persist_dir, input.chan)
memory.setdefault(filename, load_memory(filename))
if not input.inp.strip():
return forget.__doc__
low = input.inp.strip().lower()
if low not in memory[filename]:
return "I don't know about that."
if not hasattr(input, 'chan'):
return "I won't forget anything in private."
input.say("Forgot that %s" % memory[filename][low])
del memory[filename][low]
save_memory(filename, memory[filename])
@hook.command(hook='\?(.+)', prefix=False)
def question(bot, input):
"?<word> -- shows what data is associated with word"
with lock:
filename = make_filename(bot.persist_dir, input.chan)
memory.setdefault(filename, load_memory(filename))
word = input.inp.split()[0].lower()
if word in memory[filename]:
input.say("%s" % memory[filename][word])