283 lines
7.3 KiB
Python
283 lines
7.3 KiB
Python
# -*- coding: utf-8 -*-
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import math
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import random
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import re
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import threading
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from util import hook
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@hook.command
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def munge(inp, munge_count=0):
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reps = 0
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for n in xrange(len(inp)):
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rep = character_replacements.get(inp[n])
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if rep:
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inp = inp[:n] + rep.decode('utf8') + inp[n + 1:]
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reps += 1
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if reps == munge_count:
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break
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return inp
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class PaginatingWinnower(object):
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def __init__(self):
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self.lock = threading.Lock()
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self.last_input = []
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self.recent = set()
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def winnow(self, inputs, limit=400, ordered=False):
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"remove random elements from the list until it's short enough"
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with self.lock:
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# try to remove elements that were *not* removed recently
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inputs_sorted = sorted(inputs)
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if inputs_sorted == self.last_input:
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same_input = True
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else:
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same_input = False
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self.last_input = inputs_sorted
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self.recent.clear()
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combiner = lambda l: u', '.join(l)
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suffix = ''
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while len(combiner(inputs)) >= limit:
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if same_input and any(inp in self.recent for inp in inputs):
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if ordered:
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for inp in self.recent:
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if inp in inputs:
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inputs.remove(inp)
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else:
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inputs.remove(
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random.choice([inp for inp in inputs if inp in self.recent]))
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else:
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if ordered:
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inputs.pop()
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else:
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inputs.pop(random.randint(0, len(inputs) - 1))
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suffix = ' ...'
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self.recent.update(inputs)
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return combiner(inputs) + suffix
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winnow = PaginatingWinnower().winnow
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def add_tag(db, chan, nick, subject):
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match = db.execute('select * from tag where lower(nick)=lower(?) and'
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' chan=? and lower(subject)=lower(?)',
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(nick, chan, subject)).fetchall()
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if match:
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return 'already tagged'
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db.execute('replace into tag(chan, subject, nick) values(?,?,?)',
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(chan, subject, nick))
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db.commit()
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return 'tag added'
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def delete_tag(db, chan, nick, del_tag):
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count = db.execute('delete from tag where lower(nick)=lower(?) and'
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' chan=? and lower(subject)=lower(?)',
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(nick, chan, del_tag)).rowcount
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db.commit()
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if count:
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return 'deleted'
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else:
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return 'tag not found'
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def get_tag_counts_by_chan(db, chan):
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tags = db.execute("select subject, count(*) from tag where chan=?"
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" group by lower(subject)"
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" order by lower(subject)", (chan,)).fetchall()
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tags.sort(key=lambda x: x[1], reverse=True)
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if not tags:
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return 'no tags in %s' % chan
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return winnow(['%s (%d)' % row for row in tags], ordered=True)
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def get_tags_by_nick(db, chan, nick):
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tags = db.execute("select subject from tag where lower(nick)=lower(?)"
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" and chan=?"
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" order by lower(subject)", (nick, chan)).fetchall()
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if tags:
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return 'tags for "%s": ' % munge(nick, 1) + winnow([
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tag[0] for tag in tags])
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else:
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return ''
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def get_nicks_by_tagset(db, chan, tagset):
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nicks = None
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for tag in tagset.split('&'):
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tag = tag.strip()
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current_nicks = db.execute("select nick from tag where " +
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"lower(subject)=lower(?)"
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" and chan=?", (tag, chan)).fetchall()
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if not current_nicks:
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return "tag '%s' not found" % tag
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if nicks is None:
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nicks = set(current_nicks)
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else:
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nicks.intersection_update(current_nicks)
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nicks = [munge(x[0], 1) for x in sorted(nicks)]
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if not nicks:
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return 'no nicks found with tags "%s"' % tagset
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return 'nicks tagged "%s": ' % tagset + winnow(nicks)
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@hook.command
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def tag(inp, chan='', db=None):
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'.tag <nick> <tag> -- marks <nick> as <tag> {related: .untag, .tags, .tagged}'
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db.execute('create table if not exists tag(chan, subject, nick)')
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add = re.match(r'(\S+) (.+)', inp)
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if add:
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nick, subject = add.groups()
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return add_tag(db, chan, nick, subject)
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else:
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tags = get_tags_by_nick(db, chan, inp)
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if tags:
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return tags
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else:
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return tag.__doc__
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@hook.command
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def untag(inp, chan='', db=None):
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'.untag <nick> <tag> -- unmarks <nick> as <tag> {related: .tag, .tags, .tagged}'
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delete = re.match(r'(\S+) (.+)$', inp)
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if delete:
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nick, del_tag = delete.groups()
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return delete_tag(db, chan, nick, del_tag)
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else:
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return untag.__doc__
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@hook.command
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def tags(inp, chan='', db=None):
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'.tags <nick>/list -- get list of tags for <nick>, or a list of tags {related: .tag, .untag, .tagged}'
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if inp == 'list':
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return get_tag_counts_by_chan(db, chan)
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tags = get_tags_by_nick(db, chan, inp)
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if tags:
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return tags
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else:
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return get_nicks_by_tagset(db, chan, inp)
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@hook.command
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def tagged(inp, chan='', db=None):
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'.tagged <tag> [& tag...] -- get nicks marked as <tag> (separate multiple tags with &) {related: .tag, .untag, .tags}'
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return get_nicks_by_tagset(db, chan, inp)
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def distance(lat1, lon1, lat2, lon2):
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deg_to_rad = math.pi / 180
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lat1 *= deg_to_rad
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lat2 *= deg_to_rad
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lon1 *= deg_to_rad
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lon2 *= deg_to_rad
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R = 6371 # km
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d = math.acos(math.sin(lat1) * math.sin(lat2) +
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math.cos(lat1) * math.cos(lat2) *
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math.cos(lon2 - lon1)) * R
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return d
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@hook.command(autohelp=False)
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def near(inp, nick='', chan='', db=None):
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try:
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loc = db.execute("select lat, lon from location where chan=? and nick=lower(?)",
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(chan, nick)).fetchone()
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except db.OperationError:
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loc = None
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if loc is None:
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return 'use .weather <loc> first to set your location'
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lat, lon = loc
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db.create_function('distance', 4, distance)
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nearby = db.execute("select nick, distance(lat, lon, ?, ?) as dist from location where chan=?"
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" and nick != lower(?) order by dist limit 20", (lat, lon, chan, nick)).fetchall()
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out = '(km) '
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while nearby and len(out) < 200:
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nick, dist = nearby.pop(0)
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out += '%s:%.0f ' % (munge(nick, 1), dist)
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return out
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character_replacements = {
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'a': 'ä',
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# 'b': 'Б',
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'c': 'ċ',
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'd': 'đ',
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'e': 'ë',
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'f': 'ƒ',
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'g': 'ġ',
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'h': 'ħ',
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'i': 'í',
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'j': 'ĵ',
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'k': 'ķ',
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'l': 'ĺ',
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# 'm': 'ṁ',
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'n': 'ñ',
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'o': 'ö',
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'p': 'ρ',
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# 'q': 'ʠ',
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'r': 'ŗ',
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's': 'š',
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't': 'ţ',
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'u': 'ü',
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# 'v': '',
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'w': 'ω',
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'x': 'χ',
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'y': 'ÿ',
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'z': 'ź',
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'A': 'Å',
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'B': 'Β',
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'C': 'Ç',
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'D': 'Ď',
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'E': 'Ē',
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# 'F': 'Ḟ',
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'G': 'Ġ',
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'H': 'Ħ',
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'I': 'Í',
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'J': 'Ĵ',
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'K': 'Ķ',
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'L': 'Ĺ',
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'M': 'Μ',
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'N': 'Ν',
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'O': 'Ö',
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'P': 'Р',
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# 'Q': 'Ｑ',
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'R': 'Ŗ',
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'S': 'Š',
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'T': 'Ţ',
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'U': 'Ů',
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# 'V': 'Ṿ',
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'W': 'Ŵ',
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'X': 'Χ',
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'Y': 'Ỳ',
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'Z': 'Ż'}
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