sopel/modules/find.py
2017-11-22 19:26:40 -05:00

140 lines
4.9 KiB
Python
Executable File

# coding=utf-8
"""Sopel Spelling correction module
This module will fix spelling errors if someone corrects them
using the sed notation (s///) commonly found in vi/vim.
"""
# Copyright 2011, Michael Yanovich, yanovich.net
# Copyright 2013, Elsie Powell, embolalia.com
# Licensed under the Eiffel Forum License 2.
# Contributions from: Matt Meinwald and Morgan Goose
from __future__ import unicode_literals, absolute_import, print_function, division
import re
from tools import Identifier, SopelMemory
from module import rule, priority
from formatting import bold
def setup(bot):
bot.memory['find_lines'] = SopelMemory()
@rule('.*')
@priority('low')
def collectlines(bot, trigger):
"""Create a temporary log of what people say"""
# Don't log things in PM
if trigger.is_privmsg:
return
# Add a log for the channel and nick, if there isn't already one
if trigger.sender not in bot.memory['find_lines']:
bot.memory['find_lines'][trigger.sender] = SopelMemory()
if Identifier(trigger.nick) not in bot.memory['find_lines'][trigger.sender]:
bot.memory['find_lines'][trigger.sender][Identifier(trigger.nick)] = list()
# Create a temporary list of the user's lines in a channel
templist = bot.memory['find_lines'][trigger.sender][Identifier(trigger.nick)]
line = trigger.group()
if line.startswith("s/"): # Don't remember substitutions
return
elif line.startswith("\x01ACTION"): # For /me messages
line = line[:-1]
templist.append(line)
else:
templist.append(line)
del templist[:-10] # Keep the log to 10 lines per person
bot.memory['find_lines'][trigger.sender][Identifier(trigger.nick)] = templist
#Match nick, s/find/replace/flags. Flags and nick are optional, nick can be
#followed by comma or colon, anything after the first space after the third
#slash is ignored, you can escape slashes with backslashes, and if you want to
#search for an actual backslash followed by an actual slash, you're shit out of
#luck because this is the fucking regex of death as it is.
@rule(r"""(?:
(\S+) # Catch a nick in group 1
[:,]\s+)? # Followed by colon/comma and whitespace, if given
s/ # The literal s/
( # Group 2 is the thing to find
(?:\\/ | [^/])+ # One or more non-slashes or escaped slashes
)/( # Group 3 is what to replace with
(?:\\/ | [^/])* # One or more non-slashes or escaped slashes
)
(?:/(\S+))? # Optional slash, followed by group 4 (flags)
""")
@priority('high')
def findandreplace(bot, trigger):
# Don't bother in PM
if trigger.is_privmsg:
return
# Correcting other person vs self.
rnick = Identifier(trigger.group(1) or trigger.nick)
search_dict = bot.memory['find_lines']
# only do something if there is conversation to work with
if trigger.sender not in search_dict:
return
if Identifier(rnick) not in search_dict[trigger.sender]:
return
#TODO rest[0] is find, rest[1] is replace. These should be made variables of
#their own at some point.
rest = [trigger.group(2), trigger.group(3)]
rest[0] = rest[0].replace(r'\/', '/')
rest[1] = rest[1].replace(r'\/', '/')
me = False # /me command
flags = (trigger.group(4) or '')
# If g flag is given, replace all. Otherwise, replace once.
if 'g' in flags:
count = -1
else:
count = 1
# repl is a lambda function which performs the substitution. i flag turns
# off case sensitivity. re.U turns on unicode replacement.
if 'i' in flags:
regex = re.compile(re.escape(rest[0]), re.U | re.I)
repl = lambda s: re.sub(regex, rest[1], s, count == 1)
else:
repl = lambda s: re.sub(rest[0], rest[1], s, count)
# Look back through the user's lines in the channel until you find a line
# where the replacement works
new_phrase = None
for line in reversed(search_dict[trigger.sender][rnick]):
if line.startswith("\x01ACTION"):
me = True # /me command
line = line[8:]
else:
me = False
new_phrase = repl(line)
if new_phrase != line: # we are done
break
if not new_phrase or new_phrase == line:
return # Didn't find anything
# Save the new "edited" message.
action = (me and '\x01ACTION ') or '' # If /me message, prepend \x01ACTION
templist = search_dict[trigger.sender][rnick]
templist.append(action + new_phrase)
search_dict[trigger.sender][rnick] = templist
bot.memory['find_lines'] = search_dict
# output
if not me:
new_phrase = '%s to say: %s' % (bold('meant'), new_phrase)
if trigger.group(1):
phrase = '%s thinks %s %s' % (trigger.nick, rnick, new_phrase)
else:
phrase = '%s %s' % (trigger.nick, new_phrase)
bot.say(phrase)