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use proper sed-like syntax for corrections, including regexes, backreferences and a few flags #300

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use proper sed-like syntax for corrections, including regexes, backreferences and a few flags #300

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40 changes: 14 additions & 26 deletions plugins/correction.py
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Original file line number Diff line number Diff line change
@@ -1,40 +1,28 @@
from util import hook

import re

CORRECTION_RE = r'^(s|S)/.*/.*/?\S*$'


@hook.regex(CORRECTION_RE)
def correction(match, input=None, conn=None, message=None):
split = input.msg.split("/")
from util import hook

if len(split) == 4:
nick = split[3].lower()
else:
nick = None
correction_s = r"^[sS]/(.*/.*/([igux]{,4}))\S*$"
correction_re = re.compile(correction_s)

find = split[1]
replace = split[2]

if not find and not find.isspace():
return u"Find must not be blank."
@hook.regex(correction_s)
def correction(match, input=None, conn=None, message=None):
find, replacement, flags = tuple([b.replace("\/", "/") for b in re.split(r"(?<!\\)/", match.groups()[0])])
flag_string = flags.replace("g", "")
flag_string = "(?{})".format(flag_string) if flag_string != "" else ""
find_re = re.compile("{}{}".format(flag_string, find))

for item in conn.history[input.chan].__reversed__():
name, timestamp, msg = item
if msg.startswith("s/"):
nick, timestamp, msg = item
if correction_re.match(msg):
# don't correct corrections, it gets really confusing
continue
if nick:
if nick != name.lower():
continue
if find in msg:
if find_re.search(msg):
if "\x01ACTION" in msg:
msg = msg.replace("\x01ACTION ", "/me ").replace("\x01", "")
message(u"Correction, <{}> {}".format(name, msg.replace(find, "\x02" + replace + "\x02")))
message(u"Correction, <{}> {}".format(nick, find_re.sub("\x02" + replacement + "\x02", msg, count=int("g" not in flags))))
return
else:
continue

return u"Did not find {} in any recent messages.".format(find)

return "Did not find {} in any recent messages.".format(to_find)