112 lines
3.0 KiB
Python
112 lines
3.0 KiB
Python
"""
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remember.py: written by Scaevolus 2010
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"""
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import string
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import re
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from util import hook
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def db_init(db):
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db.execute("create table if not exists memory(chan, word, data, nick,"
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" primary key(chan, word))")
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db.commit()
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def get_memory(db, chan, word):
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row = db.execute("select data from memory where chan=? and word=lower(?)",
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(chan, word)).fetchone()
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if row:
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return row[0]
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else:
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return None
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@hook.command
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@hook.command("r")
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def remember(inp, nick='', chan='', db=None):
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".remember <word> [+]<data> s/<before>/<after> -- maps word to data in the memory, or "
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" does a string replacement (not regex)"
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db_init(db)
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append = False
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replacement = False
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try:
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head, tail = inp.split(None, 1)
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except ValueError:
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return remember.__doc__
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data = get_memory(db, chan, head)
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_head, _tail = data.split(None, 1)
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if tail[0] == '+':
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append = True
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# ignore + symbol
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new = tail[1:]
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# data is stored with the input so ignore it when re-adding it
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if len(tail) > 1 and tail[1] in (string.punctuation + ' '):
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tail = _tail + new
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else:
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tail = _tail + ' ' + new
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if len(tail) > 2 and tail[0] == 's' and tail[1] in string.punctuation:
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args = tail.split(tail[1])
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if len(args) == 4 and args[3] == '':
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args = args[:-1]
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if len(args) == 3:
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replacement = True
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_, src, dst = args
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new_data = _tail.replace(src, dst, 1)
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if new_data == _tail:
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return 'replacement left data unchanged'
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tail = new_data
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else:
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return 'invalid replacement syntax -- try s$foo$bar instead?'
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db.execute("replace into memory(chan, word, data, nick) values"
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" (?,lower(?),?,?)", (chan, head, head + ' ' + tail, nick))
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db.commit()
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if data:
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if append:
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return "appending %s to %s" % (new, data.replace('"', "''"))
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elif replacement:
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return "replacing '%s' with '%s' in %s" % (src, dst, _tail)
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else:
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return 'forgetting "%s", remembering this instead.' % \
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data.replace('"', "''")
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else:
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return 'done.'
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@hook.command
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@hook.command("f")
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def forget(inp, chan='', db=None):
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".forget <word> -- forgets the mapping that word had"
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db_init(db)
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data = get_memory(db, chan, inp)
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if not chan.startswith('#'):
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return "I won't forget anything in private."
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if data:
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db.execute("delete from memory where chan=? and word=lower(?)",
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(chan, inp))
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db.commit()
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return 'forgot `%s`' % data.replace('`', "'")
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else:
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return "I don't know about that."
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@hook.regex(r'^\? ?(.+)')
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def question(inp, chan='', say=None, db=None):
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"?<word> -- shows what data is associated with word"
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db_init(db)
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data = get_memory(db, chan, inp.group(1).strip())
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if data:
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say(data)
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